CN105242483A

CN105242483A - Focusing realization method and device and shooting realization method and device

Info

Publication number: CN105242483A
Application number: CN201510712794.9A
Authority: CN
Inventors: 谢书勋
Original assignee: Nubia Technology Co Ltd
Current assignee: Nubia Technology Co Ltd
Priority date: 2015-10-28
Filing date: 2015-10-28
Publication date: 2016-01-13
Anticipated expiration: 2035-10-28
Also published as: CN105242483B; WO2017071592A1

Abstract

The invention discloses a focusing realization method and device and a shooting realization method and device. The method comprises the following steps: when judging that focusing fails, searching preset parameters and focusing focal length corresponding to shooting time, wherein the absolute value of the difference value between the shooting time and the current time is smaller than or equal to a first preset time, in a pre-stored first correspondence relation among the shooting time, preset parameters and focusing focal length; searching a preset condition corresponding to the highest priority in a pre-stored second correspondence relation between the priority and preset conditions; and when judging that the searched preset parameters and the focusing focal length have the preset parameters and the focusing focal length meeting the searched preset condition, adjusting the current focusing focal length to the focusing focal length meeting the searched preset condition. Through the scheme, when the focusing fails, focusing is realized according to the first correspondence relation and the second correspondence relation.

Description

A kind of realize focusing method and apparatus, realize the method and apparatus of taking pictures

Technical field

The present invention relates to photoelectric technology, espespecially a kind of realize focusing method and apparatus, realize the method and apparatus of taking pictures.

Background technology

The focusing method of current mobile terminal mainly contains two kinds, phase-detection auto-focusing (PDAF, PhaseDetectionAuto-Focus) and contrast auto-focusing (CDAF, ContrastDetectionAuto-Focus).Wherein, the principle of PDAF is on photo-sensitive cell, reserve some pixels covered, and is used for carrying out phase-detection, is changed the moving direction and distance determined focus lens by the Distance geometry between pixel; CDAF utilizes the consecutive variations of the contrast of image to determine moving direction to focus lens and distance.These two kinds of focusing modes are all focus with the information obtained in focus process, relatively darker at ambient light, or when contrast is poor, there will be the problem that focusing is failed, and when focusing unsuccessfully, shooting image is out unsharp.And the focusing problem not yet provided in prior art when effective method solution is focused unsuccessfully.

Summary of the invention

In order to solve the problem, the present invention proposes a kind of realize focusing method and apparatus, realize the method and apparatus of taking pictures, can realize when focus unsuccessfully focusing.

In order to achieve the above object, the present invention proposes a kind of device realizing focusing, at least comprise:

Search module, for when judging to focus failed, in the photo opporunity preserved in advance, the first corresponding relation between parameter preset and focusing focal length, search parameter preset corresponding to the photo opporunity that is less than or equal to the first Preset Time with the absolute value of the difference of current time and focal length of focusing; The priority level pre-set and pre-conditioned between the second corresponding relation in, search corresponding pre-conditioned of TP top priority;

Adjusting module, for judging that the parameter preset found is with in focusing focal length, there is the pre-conditioned parameter preset and focal length of focusing that meet and find, is meet the pre-conditioned focusing focal length found by current focusing Focussing.

Preferably, described adjusting module also for:

When in the parameter preset judging to find and focusing focal length, when there is not the pre-conditioned parameter preset and focusing focal length that meet and find, send a notification message to searching module;

Described search module also for:

Receive notification message, continue in the second corresponding relation, to search pre-conditioned step corresponding to next priority level described in execution.

Preferably, the parameter preset in described first corresponding relation comprises environment colour temperature; Described adjusting module specifically for:

The parameter preset found described in judging is with in focusing focal length, there is M1 to photo opporunity continuous print parameter preset and focusing focal length, meet photo opporunity interval and be less than or equal to the second Preset Time and environment colour temperature is indoor colour temperature and the absolute value of differences between any two focusing focal lengths is all less than or equal to the first predetermined threshold value; Wherein, M1 is the integer being more than or equal to the second predetermined threshold value; Be any one in M1 focusing focal length by described current focusing Focussing, or be adjusted to the average of M1 focusing focal length.

In the parameter preset found described in judging and focusing focal length, there is M2 to photo opporunity continuously and photo opporunity is parameter preset and the focusing focal length on daytime, meet environment colour temperature and be outdoor colour temperature, and focusing focal length is infinite distance; Wherein, M2 is the integer being more than or equal to the 3rd predetermined threshold value; Be infinite distance by described current focusing Focussing.

Preferably, the parameter preset in described first corresponding relation also comprises vergence direction; Described adjusting module specifically for:

In the parameter preset found described in judging and focusing focal length, there is M3 to photo opporunity continuous print parameter preset and focusing focal length, meet environment colour temperature and be outdoor colour temperature, and vergence direction is and is inclined upwardly, and focusing focal length is infinite distance; Wherein, M3 is the integer being more than or equal to the 4th predetermined threshold value; Be infinite distance by described current focusing Focussing.

Preferably, the parameter preset in described first corresponding relation comprises picture-taking position and orientation of taking pictures; Described adjusting module specifically for:

The parameter preset found described in judging is with in focusing focal length, there is M4 to photo opporunity continuous print parameter preset and focusing focal length, the absolute value meeting the difference between any two picture-taking position is all less than or equal to the 5th predetermined threshold value, and orientation of taking pictures is all identical, and the absolute value of any two differences of focusing between focal lengths is less than or equal to the 6th predetermined threshold value; Wherein, M4 is the integer being more than or equal to the 7th predetermined threshold value; Be any one in M4 focusing focal length by described current focusing Focussing, or be adjusted to the average of M4 focusing focal length.

The parameter preset found described in judging is with in focusing focal length, exist M5 to photo opporunity continuous print parameter preset and focusing focal length, meet photo opporunity interval be less than or equal to the 3rd Preset Time and environment colour temperature homogeneous phase with and focusing focal length switch back and forth between two focal lengths; Wherein, M5 is the integer being more than or equal to the 8th predetermined threshold value; Being one of them focal length by current focusing Focussing, after having taken pictures, is another focal length by the focusing Focussing of taking pictures next time.

Preferably, the parameter preset in described first corresponding relation comprises the gentle face number of ambient color; Described adjusting module specifically for:

The parameter preset found described in judging is with in focusing focal length, exist M6 to photo opporunity continuous print parameter preset and focusing focal length, meet environment colour temperature be indoor colour temperature or be outdoor colour temperature and face number be one or be two and any two focusing focal lengths between differences be all less than or equal to the 9th predetermined threshold value; Wherein, M6 is for being more than or equal to the tenth predetermined threshold value; Be any one in M6 focusing focal length by described current focusing Focussing, or be adjusted to the average of M6 focusing focal length.

The invention allows for a kind of method realizing focusing, comprising:

When judging to focus failed, in the photo opporunity preserved in advance, the first corresponding relation between parameter preset and focusing focal length, search parameter preset corresponding to the photo opporunity that is less than or equal to the first Preset Time with the absolute value of the difference of current time and focal length of focusing;

The priority level pre-set and pre-conditioned between the second corresponding relation in, search corresponding pre-conditioned of TP top priority;

Judge that the parameter preset found is with in focusing focal length, there is the pre-conditioned parameter preset and focal length of focusing that meet and find, is meet the pre-conditioned focusing focal length found by current focusing Focussing.

Preferably, when in the parameter preset judging to find and focusing focal length, when there is not the pre-conditioned parameter preset and focusing focal length that meet and find, the method also comprises:

Continue in the second corresponding relation, to search pre-conditioned step corresponding to next priority level described in execution.

Preferably, the parameter preset in described first corresponding relation comprises environment colour temperature;

With in focusing focal length, there is the satisfied pre-conditioned parameter preset found and comprise with focal length of focusing in the described parameter preset judging to find:

The parameter preset found described in judging is with in focusing focal length, there is M1 to photo opporunity continuous print parameter preset and focusing focal length, meet photo opporunity interval and be less than or equal to the second Preset Time and environment colour temperature is indoor colour temperature and the absolute value of differences between any two focusing focal lengths is all less than or equal to the first predetermined threshold value; Wherein, M1 is the integer being more than or equal to the second predetermined threshold value;

Described is meet the pre-conditioned focusing focal length found to comprise by current focusing Focussing:

Be any one in M1 focusing focal length by described current focusing Focussing, or be adjusted to the average of M1 focusing focal length.

In the parameter preset found described in judging and focusing focal length, there is M2 to photo opporunity continuously and photo opporunity is parameter preset and the focusing focal length on daytime, meet environment colour temperature and be outdoor colour temperature, and focusing focal length is infinite distance; Wherein, M2 is the integer being more than or equal to the 3rd predetermined threshold value;

Be infinite distance by described current focusing Focussing.

Preferably, the parameter preset in described first corresponding relation comprises the gentle vergence direction of ambient color;

In the parameter preset found described in judging and focusing focal length, there is M3 to photo opporunity continuous print parameter preset and focusing focal length, meet environment colour temperature and be outdoor colour temperature, and vergence direction is and is inclined upwardly, and focusing focal length is infinite distance; Wherein, M3 is the integer being more than or equal to the 4th predetermined threshold value;

Be infinite distance by described current focusing Focussing.

Preferably, the parameter preset in described first corresponding relation comprises picture-taking position and orientation of taking pictures;

The parameter preset found described in judging is with in focusing focal length, there is M4 to photo opporunity continuous print parameter preset and focusing focal length, the absolute value meeting the difference between any two picture-taking position is all less than or equal to the 5th predetermined threshold value, and orientation of taking pictures is all identical, and the absolute value of any two differences of focusing between focal lengths is less than or equal to the 6th predetermined threshold value; Wherein, M4 is the integer being more than or equal to the 7th predetermined threshold value;

Be any one in M4 focusing focal length by described current focusing Focussing, or be adjusted to the average of M4 focusing focal length.

The parameter preset found described in judging is with in focusing focal length, exist M5 to photo opporunity continuous print parameter preset and focusing focal length, meet photo opporunity interval be less than or equal to the 3rd Preset Time and environment colour temperature homogeneous phase with and focusing focal length switch back and forth between two focal lengths; Wherein, M5 is the integer being more than or equal to the 8th predetermined threshold value;

Being one of them focal length by current focusing Focussing, after having taken pictures, is another focal length by the focusing Focussing of taking pictures next time.

Preferably, the parameter preset in described first corresponding relation comprises the gentle face number of ambient color;

The parameter preset found described in judging is with in focusing focal length, exist M6 to photo opporunity continuous print parameter preset and focusing focal length, meet environment colour temperature be indoor colour temperature or be outdoor colour temperature and face number be one or be two and any two focusing focal lengths between differences be all less than or equal to the 9th predetermined threshold value; Wherein, M6 is for being more than or equal to the tenth predetermined threshold value;

Be any one in M6 focusing focal length by described current focusing Focussing, or be adjusted to the average of M6 focusing focal length.

Compared with prior art, the present invention includes: when judging to focus failed, in the photo opporunity preserved in advance, the first corresponding relation between parameter preset and focusing focal length, search parameter preset corresponding to the photo opporunity that is less than or equal to the first Preset Time with the absolute value of the difference of current time and focal length of focusing; The priority level pre-set and pre-conditioned between the second corresponding relation in, search corresponding pre-conditioned of TP top priority; Judge that the parameter preset found is with in focusing focal length, there is the pre-conditioned parameter preset and focal length of focusing that meet and find, is meet the pre-conditioned focusing focal length found by current focusing Focussing.By the solution of the present invention, when judging to focus failed, achieve focusing according to the first corresponding relation and the second corresponding relation.

Accompanying drawing explanation

Be described the accompanying drawing in the embodiment of the present invention below, the accompanying drawing in embodiment is for a further understanding of the present invention, is used from explanation the present invention, does not form limiting the scope of the invention with instructions one.

Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention;

Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1;

Fig. 3 is the process flow diagram that the present invention realizes the method for focusing;

Fig. 4 is the structure composition schematic diagram that the present invention realizes the device of focusing.

The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.

Embodiment

For the ease of the understanding of those skilled in the art, below in conjunction with accompanying drawing, the invention will be further described, can not be used for limiting the scope of the invention.It should be noted that, when not conflicting, the various modes in the embodiment in the application and embodiment can combine mutually.

Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.

The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use the suffix of such as " module ", " parts " or " unit " for representing element only in order to be conducive to explanation of the present invention, itself is specific meaning not.Therefore, " module " and " parts " can mixedly use.

Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise the such as mobile terminal of mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as digital TV, desk-top computer etc.Below, suppose that terminal is mobile terminal.But it will be appreciated by those skilled in the art that except the element except being used in particular for mobile object, structure according to the embodiment of the present invention also can be applied to the terminal of fixed type.

Fig. 1 is the hardware configuration signal of the mobile terminal realizing each embodiment of the present invention.

Mobile terminal 100 can comprise wireless communication unit 110, A/V (audio/video) input block 120, user input unit 130, sensing cell 140, output unit 150, storer 160, interface unit 170, controller 180 and power supply unit 190 etc.Fig. 1 shows the mobile terminal with various assembly, it should be understood that, does not require to implement all assemblies illustrated.Can alternatively implement more or less assembly.Will be discussed in more detail below the element of mobile terminal.

Wireless communication unit 110 generally includes one or more assembly, and it allows the wireless communication between mobile terminal 100 and wireless communication system or network.Such as, wireless communication unit can comprise at least one in broadcast reception module 111, mobile communication module 112, wireless Internet module 113, short range communication module 114 and positional information module 115.

Broadcast reception module 111 via broadcast channel from external broadcasting management server receiving broadcast signal and/or broadcast related information.Broadcast channel can comprise satellite channel and/or terrestrial channel.Broadcast management server can be generate and send the server of broadcast singal and/or broadcast related information or the broadcast singal generated before receiving and/or broadcast related information and send it to the server of terminal.Broadcast singal can comprise TV broadcast singal, radio signals, data broadcasting signal etc.And broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast related information also can provide via mobile communications network, and in this case, broadcast related information can be received by mobile communication module 112.Broadcast singal can exist in a variety of manners, such as, it can exist with the form of the electronic service guidebooks (ESG) of the electronic program guides of DMB (DMB) (EPG), digital video broadcast-handheld (DVB-H) etc.Broadcast reception module 111 can by using the broadcast of various types of broadcast system Received signal strength.Especially, broadcast reception module 111 can by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video broadcasting-hand-held (DVB-H), forward link media (MediaFLO ) Radio Data System, received terrestrial digital broadcasting integrated service (ISDB-T) etc. digit broadcasting system receive digital broadcasting.Broadcast reception module 111 can be constructed to be applicable to providing the various broadcast system of broadcast singal and above-mentioned digit broadcasting system.The broadcast singal received via broadcast reception module 111 and/or broadcast related information can be stored in storer 160 (or storage medium of other type).

Radio signal is sent at least one in base station (such as, access point, Node B etc.), exterior terminal and server and/or receives radio signals from it by mobile communication module 112.Various types of data that such radio signal can comprise voice call signal, video calling signal or send according to text and/or Multimedia Message and/or receive.

Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be inner or be externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can comprise WLAN (WLAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (high-speed downlink packet access) etc.

Short range communication module 114 is the modules for supporting junction service.Some examples of short-range communication technology comprise bluetooth ^tM, radio-frequency (RF) identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee ^tMetc..

Positional information module 115 is the modules of positional information for checking or obtain mobile terminal.The typical case of positional information module is GPS (GPS).According to current technology, GPS module 115 calculates from the range information of three or more satellite and correct time information and for the Information application triangulation calculated, thus calculates three-dimensional current location information according to longitude, latitude and pin-point accuracy.Current, the method for calculating position and temporal information uses three satellites and by using the error of the position that goes out of an other satellite correction calculation and temporal information.In addition, GPS module 115 can carry out computing velocity information by Continuous plus current location information in real time.

A/V input block 120 is for audio reception or vision signal.A/V input block 120 can comprise camera 121 and microphone 1220, and the view data of camera 121 to the static images obtained by image capture apparatus in Video Capture pattern or image capture mode or video processes.Picture frame after process may be displayed on display unit 151.Picture frame after camera 121 processes can be stored in storer 160 (or other storage medium) or via wireless communication unit 110 and send, and can provide two or more cameras 1210 according to the structure of mobile terminal.Such acoustic processing can via microphones sound (voice data) in telephone calling model, logging mode, speech recognition mode etc. operational mode, and can be voice data by microphone 122.Audio frequency (voice) data after process can be converted to the formatted output that can be sent to mobile communication base station via mobile communication module 112 when telephone calling model.Microphone 122 can be implemented various types of noise and eliminate (or suppress) algorithm and receiving and sending to eliminate (or suppression) noise or interference that produce in the process of sound signal.

User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and keyboard, the young sheet of pot, touch pad (such as, detecting the touch-sensitive assembly of the change of the resistance, pressure, electric capacity etc. that cause owing to being touched), roller, rocking bar etc. can be comprised.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch-screen can be formed.

Sensing cell 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close state), the position of mobile terminal 100, user for mobile terminal 100 contact (namely, touch input) presence or absence, the orientation of mobile terminal 100, the acceleration or deceleration of mobile terminal 100 move and direction etc., and generate order or the signal of the operation for controlling mobile terminal 100.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing cell 140 can sense this sliding-type phone and open or close.In addition, whether whether sensing cell 140 can detect power supply unit 190 provides electric power or interface unit 170 to couple with external device (ED).Sensing cell 140 can comprise proximity transducer 1410 and will be described this in conjunction with touch-screen below.

Interface unit 170 is used as at least one external device (ED) and is connected the interface that can pass through with mobile terminal 100.Such as, external device (ED) can comprise wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port, audio frequency I/O (I/O) port, video i/o port, ear port etc. of the device with identification module.Identification module can be that storage uses the various information of mobile terminal 100 for authentication of users and can comprise subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to " recognition device ") with identification module can take the form of smart card, and therefore, recognition device can be connected with mobile terminal 100 via port or other coupling arrangement.Interface unit 170 may be used for receive from external device (ED) input (such as, data message, electric power etc.) and the input received be transferred to the one or more element in mobile terminal 100 or may be used for transmitting data between mobile terminal and external device (ED).

In addition, when mobile terminal 100 is connected with external base, interface unit 170 can be used as to allow by it electric power to be provided to the path of mobile terminal 100 from base or can be used as the path that allows to be transferred to mobile terminal by it from the various command signals of base input.The various command signal inputted from base or electric power can be used as and identify whether mobile terminal is arranged on the signal base exactly.Output unit 150 is constructed to provide output signal (such as, sound signal, vision signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.Output unit 150 can comprise display unit 151, dio Output Modules 152, alarm unit 153 etc.

Display unit 151 may be displayed on the information of process in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display unit 151 can show with call or other communicate (such as, text messaging, multimedia file are downloaded etc.) be correlated with user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display unit 151 can the image of display capture and/or the image of reception, UI or GUI that video or image and correlation function are shown etc.

Meanwhile, when display unit 151 and touch pad as a layer superposed on one another to form touch-screen time, display unit 151 can be used as input media and output unit.Display unit 151 can comprise at least one in liquid crystal display (LCD), thin film transistor (TFT) LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.Some in these displays can be constructed to transparence and watch from outside to allow user, and this can be called transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc.According to the specific embodiment wanted, mobile terminal 100 can comprise two or more display units (or other display device), such as, mobile terminal can comprise outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used for detecting touch input pressure and touch input position and touch and inputs area.

When dio Output Modules 152 can be under the isotypes such as call signal receiving mode, call mode, logging mode, speech recognition mode, broadcast reception mode at mobile terminal, voice data convert audio signals that is that wireless communication unit 110 is received or that store in storer 160 and exporting as sound.And dio Output Modules 152 can provide the audio frequency relevant to the specific function that mobile terminal 100 performs to export (such as, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can comprise loudspeaker, hummer etc.

Alarm unit 153 can provide and export that event informed to mobile terminal 100.Typical event can comprise calling reception, message sink, key signals input, touch input etc.Except audio or video exports, alarm unit 153 can provide in a different manner and export with the generation of notification event.Such as, alarm unit 153 can provide output with the form of vibration, when receive calling, message or some other enter communication (incomingcommunication) time, alarm unit 153 can provide sense of touch to export (that is, vibrating) to notify to user.By providing such sense of touch to export, even if when the mobile phone of user is in the pocket of user, user also can identify the generation of various event.Alarm unit 153 also can provide the output of the generation of notification event via display unit 151 or dio Output Modules 152.

Storer 160 software program that can store process and the control operation performed by controller 180 etc., or temporarily can store oneself through exporting the data (such as, telephone directory, message, still image, video etc.) that maybe will export.And, storer 160 can store about when touch be applied to touch-screen time the vibration of various modes that exports and the data of sound signal.

Storer 160 can comprise the storage medium of at least one type, described storage medium comprises flash memory, hard disk, multimedia card, card-type storer (such as, SD or DX storer etc.), random access storage device (RAM), static random-access memory (SRAM), ROM (read-only memory) (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc.And mobile terminal 100 can be connected the memory function of execute store 160 network storage device with by network cooperates.

Controller 180 controls the overall operation of mobile terminal usually.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.In addition, controller 180 can comprise the multi-media module 1810 for reproducing (or playback) multi-medium data, and multi-media module 1810 can be configured in controller 180, or can be configured to be separated with controller 180.Controller 180 can pattern recognition process, is identified as character or image so that input is drawn in the handwriting input performed on the touchscreen or picture.

Power supply unit 190 receives external power or internal power and provides each element of operation and the suitable electric power needed for assembly under the control of controller 180.

Various embodiment described herein can to use such as computer software, the computer-readable medium of hardware or its any combination implements.For hardware implementation, embodiment described herein can by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, being designed at least one performed in the electronic unit of function described herein and implementing, in some cases, such embodiment can be implemented in controller 180.For implement software, the embodiment of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in storer 160 and to be performed by controller 180.

So far, oneself is through the mobile terminal according to its functional description.Below, for the sake of brevity, by the slide type mobile terminal that describes in various types of mobile terminals of such as folded form, board-type, oscillating-type, slide type mobile terminal etc. exemplarily.Therefore, the present invention can be applied to the mobile terminal of any type, and is not limited to slide type mobile terminal.

Mobile terminal 100 as shown in Figure 1 can be constructed to utilize and send the such as wired and wireless communication system of data via frame or grouping and satellite-based communication system operates.

Describe wherein according to the communication system that mobile terminal of the present invention can operate referring now to Fig. 2.

Such communication system can use different air interfaces and/or Physical layer.Such as, the air interface used by communication system comprises such as frequency division multiple access (FDMA), time division multiple access (TDMA) (TDMA), CDMA (CDMA) and universal mobile telecommunications system (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc.As non-limiting example, description below relates to cdma communication system, but such instruction is equally applicable to the system of other type.

With reference to figure 2, cdma wireless communication system can comprise multiple mobile terminal 100, multiple base station (BS) 270, base station controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is constructed to form interface with Public Switched Telephony Network (PSTN) 290.MSC280 is also constructed to form interface with the BSC275 that can be couple to base station 270 via back haul link.Back haul link can construct according to any one in some interfaces that oneself knows, described interface comprises such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.Will be appreciated that system as shown in Figure 2 can comprise multiple BSC2750.

Each BS270 can serve one or more subregion (or region), by multidirectional antenna or point to specific direction each subregion of antenna cover radially away from BS270.Or each subregion can by two or more antenna covers for diversity reception.Each BS270 can be constructed to support multiple parallel compensate, and each parallel compensate has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).

Subregion can be called as CDMA Channel with intersecting of parallel compensate.BS270 also can be called as base station transceiver subsystem (BTS) or other equivalent terms.Under these circumstances, term " base station " may be used for broadly representing single BSC275 and at least one BS270.Base station also can be called as " cellular station ".Or each subregion of particular B S270 can be called as multiple cellular station.

As shown in Figure 2, broadcast singal is sent to the mobile terminal 100 at operate within systems by broadcsting transmitter (BT) 295.Broadcast reception module 111 as shown in Figure 1 is arranged on mobile terminal 100 and sentences the broadcast singal receiving and sent by BT295.In fig. 2, several GPS (GPS) satellite 300 is shown.Satellite 300 helps at least one in the multiple mobile terminal 100 in location.

In fig. 2, depict multiple satellite 300, but understand, the satellite of any number can be utilized to obtain useful locating information.GPS module 115 as shown in Figure 1 is constructed to coordinate to obtain the locating information wanted with satellite 300 usually.Substitute GPS tracking technique or outside GPS tracking technique, can use can other technology of position of tracking mobile terminal.In addition, at least one gps satellite 300 optionally or extraly can process satellite dmb transmission.

As a typical operation of wireless communication system, BS270 receives the reverse link signal from various mobile terminal 100.Mobile terminal 100 participates in call usually, information receiving and transmitting communicates with other type.Each reverse link signal that certain base station 270 receives is processed by particular B S270.The data obtained are forwarded to relevant BSC275.BSC provides call Resourse Distribute and comprises the mobile management function of coordination of the soft switching process between BS270.The data received also are routed to MSC280 by BSC275, and it is provided for the extra route service forming interface with PSTN290.Similarly, PSTN290 and MSC280 forms interface, and MSC and BSC275 forms interface, and BSC275 correspondingly control BS270 so that forward link signals is sent to mobile terminal 100.

Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the inventive method is proposed.

As shown in Figure 3, first embodiment of the invention proposes a kind of method realizing focusing, and comprising:

Step 300, when judging to focus failed, in the photo opporunity preserved in advance, the first corresponding relation between parameter preset and focusing focal length, search parameter preset corresponding to the photo opporunity that is less than or equal to the first Preset Time with the absolute value of the difference of current time and focal length of focusing.

In this step, whether successfully how to judge to focus belongs to the known technology of those skilled in the art, and the protection domain be not intended to limit the present invention, repeats no more here.The present invention is it is emphasised that judge to focus unsuccessfully and how to focus.

In this step, the parameter preset in the first corresponding relation comprises following any one or more:

Environment colour temperature, vergence direction, picture-taking position, orientation of taking pictures, face number etc.

Wherein, the first corresponding relation can be obtain after receiving the photographing instruction from user and preserve.

Wherein, following methods can be adopted to obtain environment colour temperature: the rgb value according to the image obtained of taking pictures calculates color temperature value; judge that the color temperature value calculated belongs to indoor colour temperature or outdoor colour temperature; the color temperature value of the rgb value of concrete how computed image belongs to the known technology of those skilled in the art; the protection domain be not intended to limit the present invention, repeats no more here.

Wherein, vergence direction can adopt gyroscope to obtain; picture-taking position can adopt GPS technology to obtain; orientation of taking pictures can adopt compass to obtain; face number can adopt face recognition technology to obtain; specific implementation belongs to the known technology of those skilled in the art, and the protection domain be not intended to limit the present invention, repeats no more here.If the present invention, it is emphasised that after preserving photo opporunity, corresponding relation between parameter preset and focusing focal length, when focus unsuccessfully in process of taking pictures follow-up, can focus according to the corresponding relation realization of preserving.

Step 301, the priority level pre-set and pre-conditioned between the second corresponding relation in, search corresponding pre-conditioned of TP top priority.

In this step, pre-conditioned in the second corresponding relation can be following any one or more:

In continuous print is taken pictures for M1 time, photo opporunity interval is less than or equal to the second Preset Time, and environment colour temperature is indoor colour temperature, and the absolute value of any two differences of focusing between focal lengths is less than or equal to the first predetermined threshold value; Wherein, M1 is the integer being more than or equal to the second predetermined threshold value;

In continuous print is taken pictures for M2 time, photo opporunity is daytime, and environment colour temperature is outdoor colour temperature, and focusing focal length is infinite distance; Wherein, M2 is the integer being more than or equal to the 3rd predetermined threshold value; Wherein, daytime can set according to the concrete condition in each each season local, such as, be set as point in morning 8 to afternoon 5.

In continuous print is taken pictures for M3 time, environment colour temperature is outdoor colour temperature, and vergence direction is and is inclined upwardly, and focusing focal length is infinite distance;

In continuous print is taken pictures for M4 time, the absolute value of the difference between any two picture-taking position is all less than or equal to the 5th predetermined threshold value, and orientation of taking pictures is all identical, and the absolute value of any two differences of focusing between focal lengths is less than or equal to the 6th predetermined threshold value; Wherein, M4 is the integer being more than or equal to the 7th predetermined threshold value;

In continuous print is taken pictures for M5 time, photo opporunity interval be less than or equal to the 3rd Preset Time and environment colour temperature homogeneous phase with and focusing focal length switch back and forth between two focal lengths; Wherein, M5 is the integer being more than or equal to the 8th predetermined threshold value;

In continuous print is taken pictures for M6 time, environment colour temperature be indoor colour temperature and face number be one and any two focusing focal lengths between differences be all less than or equal to the 9th predetermined threshold value; Wherein, M6 is for being more than or equal to the tenth predetermined threshold value;

In continuous print is taken pictures for M6 time, environment colour temperature be outdoor colour temperature and face number be one and any two focusing focal lengths between differences be all less than or equal to the 9th predetermined threshold value;

In continuous print is taken pictures for M6 time, environment colour temperature be indoor colour temperature and face number be two and any two focusing focal lengths between differences be all less than or equal to the 9th predetermined threshold value;

In continuous print is taken pictures for M6 time, environment colour temperature be outdoor colour temperature and face number be two and any two focusing focal lengths between differences be all less than or equal to the 9th predetermined threshold value.

Wherein, each pre-conditioned priority level of foregoing description can arbitrarily be arranged.

Step 302, judge in the parameter preset that finds and focusing focal length, there is the pre-conditioned parameter preset and focusing focal length that meet and find, is meet the pre-conditioned focusing focal length found by current focusing Focussing.

In this step, when in the parameter preset judging to find and focusing focal length, when there is not the pre-conditioned parameter preset and focusing focal length that meet and find, continue to perform in the second corresponding relation, search pre-conditioned step corresponding to next priority level.

In this step, judge that the parameter preset found is with in focusing focal length, exists the satisfied pre-conditioned parameter preset found and comprises with focal length of focusing:

Judge that the parameter preset found is with in focusing focal length, there is M1 to photo opporunity continuous print parameter preset and focusing focal length, meet photo opporunity interval and be less than or equal to the second Preset Time and environment colour temperature is indoor colour temperature and the absolute value of differences between any two focusing focal lengths is all less than or equal to the first predetermined threshold value; Wherein, M1 is the integer being more than or equal to the second predetermined threshold value;

Be meet the pre-conditioned focusing focal length found to comprise by current focusing Focussing:

Be any one in M1 focusing focal length by current focusing Focussing, or be adjusted to the average of M1 focusing focal length.

Or, judge that the parameter preset found is with in focusing focal length, exists the satisfied pre-conditioned parameter preset found and comprises with focal length of focusing:

Judge in the parameter preset that finds and focusing focal length, there is M2 to photo opporunity continuously and photo opporunity is parameter preset and the focusing focal length on daytime, meet environment colour temperature and be outdoor colour temperature, and focusing focal length is infinite distance; Wherein, M2 is the integer being more than or equal to the 3rd predetermined threshold value;

Be infinite distance by current focusing Focussing.

Judge in the parameter preset that finds and focusing focal length, there is M3 to photo opporunity continuous print parameter preset and focusing focal length, meet environment colour temperature and be outdoor colour temperature, and vergence direction is and is inclined upwardly, and focusing focal length is infinite distance; Wherein, M3 is the integer being more than or equal to the 4th predetermined threshold value;

Be infinite distance by current focusing Focussing.

Judge that the parameter preset found is with in focusing focal length, there is M4 to photo opporunity continuous print parameter preset and focusing focal length, the absolute value meeting the difference between any two picture-taking position is all less than or equal to the 5th predetermined threshold value, and orientation of taking pictures is all identical, and the absolute value of any two differences of focusing between focal lengths is less than or equal to the 6th predetermined threshold value; Wherein, M4 is the integer being more than or equal to the 7th predetermined threshold value;

Be any one in M4 focusing focal length by current focusing Focussing, or be adjusted to the average of M4 focusing focal length.

Judge that the parameter preset found is with in focusing focal length, exist M5 to photo opporunity continuous print parameter preset and focusing focal length, meet photo opporunity interval be less than or equal to the 3rd Preset Time and environment colour temperature homogeneous phase with and focusing focal length switch back and forth between two focal lengths; Wherein, M5 is the integer being more than or equal to the 8th predetermined threshold value;

Judge that the parameter preset found is with in focusing focal length, exist M6 to photo opporunity continuous print parameter preset and focusing focal length, meet environment colour temperature be indoor colour temperature or be outdoor colour temperature and face number be one or be two and any two focusing focal lengths between differences be all less than or equal to the 9th predetermined threshold value; Wherein, M6 is for being more than or equal to the tenth predetermined threshold value;

Be any one in M6 focusing focal length by current focusing Focussing, or be adjusted to the average of M6 focusing focal length.

See Fig. 4, the invention allows for a kind of device realizing focusing, at least comprise:

Wherein, search Fig. 1 that module and adjusting module all can be arranged control its in 180.

In device of the present invention, adjusting module also for:

Search module also for:

Receive notification message, continue to perform in the second corresponding relation, search pre-conditioned step corresponding to next priority level.

In device of the present invention, the parameter preset in the first corresponding relation comprises environment colour temperature; Adjusting module specifically for:

Judge that the parameter preset found is with in focusing focal length, there is M1 to photo opporunity continuous print parameter preset and focusing focal length, meet photo opporunity interval and be less than or equal to the second Preset Time and environment colour temperature is indoor colour temperature and the absolute value of differences between any two focusing focal lengths is all less than or equal to the first predetermined threshold value; Wherein, M1 is the integer being more than or equal to the second predetermined threshold value; Be any one in M1 focusing focal length by current focusing Focussing, or be adjusted to the average of M1 focusing focal length.

Judge in the parameter preset that finds and focusing focal length, there is M2 to photo opporunity continuously and photo opporunity is parameter preset and the focusing focal length on daytime, meet environment colour temperature and be outdoor colour temperature, and focusing focal length is infinite distance; Wherein, M2 is the integer being more than or equal to the 3rd predetermined threshold value; Be infinite distance by current focusing Focussing.

In device of the present invention, the parameter preset in the first corresponding relation also comprises vergence direction; Adjusting module specifically for:

Judge in the parameter preset that finds and focusing focal length, there is M3 to photo opporunity continuous print parameter preset and focusing focal length, meet environment colour temperature and be outdoor colour temperature, and vergence direction is and is inclined upwardly, and focusing focal length is infinite distance; Wherein, M3 is the integer being more than or equal to the 4th predetermined threshold value; Be infinite distance by current focusing Focussing.

In device of the present invention, the parameter preset in the first corresponding relation comprises picture-taking position and orientation of taking pictures; Adjusting module specifically for:

Judge that the parameter preset found is with in focusing focal length, there is M4 to photo opporunity continuous print parameter preset and focusing focal length, the absolute value meeting the difference between any two picture-taking position is all less than or equal to the 5th predetermined threshold value, and orientation of taking pictures is all identical, and the absolute value of any two differences of focusing between focal lengths is less than or equal to the 6th predetermined threshold value; Wherein, M4 is the integer being more than or equal to the 7th predetermined threshold value; Be any one in M4 focusing focal length by current focusing Focussing, or be adjusted to the average of M4 focusing focal length.

Judge that the parameter preset found is with in focusing focal length, exist M5 to photo opporunity continuous print parameter preset and focusing focal length, meet photo opporunity interval be less than or equal to the 3rd Preset Time and environment colour temperature homogeneous phase with and focusing focal length switch back and forth between two focal lengths; Wherein, M5 is the integer being more than or equal to the 8th predetermined threshold value; Being one of them focal length by current focusing Focussing, after having taken pictures, is another focal length by the focusing Focussing of taking pictures next time.

In device of the present invention, the parameter preset in the first corresponding relation comprises the gentle face number of ambient color; Adjusting module specifically for:

Judge that the parameter preset found is with in focusing focal length, exist M6 to photo opporunity continuous print parameter preset and focusing focal length, meet environment colour temperature be indoor colour temperature or be outdoor colour temperature and face number be one or be two and any two focusing focal lengths between differences be all less than or equal to the 9th predetermined threshold value; Wherein, M6 is for being more than or equal to the tenth predetermined threshold value; Be any one in M6 focusing focal length by current focusing Focussing, or be adjusted to the average of M6 focusing focal length.

It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or device.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the device comprising this key element and also there is other identical element.

The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.

Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computing machine, server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.

These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims

1. realize a device of focusing, it is characterized in that, at least comprise:

2. device according to claim 1, is characterized in that, described adjusting module also for:

Described search module also for:

3. device according to claim 1, is characterized in that, the parameter preset in described first corresponding relation comprises environment colour temperature; Described adjusting module specifically for:

4. device according to claim 1, is characterized in that, the parameter preset in described first corresponding relation comprises environment colour temperature; Described adjusting module specifically for:

5. device according to claim 1, is characterized in that, the parameter preset in described first corresponding relation also comprises vergence direction; Described adjusting module specifically for:

6. device according to claim 1, is characterized in that, the parameter preset in described first corresponding relation comprises picture-taking position and orientation of taking pictures; Described adjusting module specifically for:

7. device according to claim 1, is characterized in that, the parameter preset in described first corresponding relation comprises environment colour temperature; Described adjusting module specifically for:

8. device according to claim 1, is characterized in that, the parameter preset in described first corresponding relation comprises the gentle face number of ambient color; Described adjusting module specifically for:

9. realize a method of focusing, it is characterized in that, comprising:

10. method according to claim 9, is characterized in that, when in the parameter preset judging to find and focusing focal length, when there is not the pre-conditioned parameter preset and focusing focal length that meet and find, the method also comprises:

11. methods according to claim 9 or 10, it is characterized in that, the parameter preset in described first corresponding relation comprises environment colour temperature;

12. methods according to claim 9 or 10, it is characterized in that, the parameter preset in described first corresponding relation comprises environment colour temperature;

Be infinite distance by described current focusing Focussing.

13. methods according to claim 9 or 10, is characterized in that, the parameter preset in described first corresponding relation comprises the gentle vergence direction of ambient color;

Be infinite distance by described current focusing Focussing.

14. methods according to claim 9 or 10, is characterized in that, the parameter preset in described first corresponding relation comprises picture-taking position and orientation of taking pictures;

15. methods according to claim 9 or 10, it is characterized in that, the parameter preset in described first corresponding relation comprises environment colour temperature;

16. methods according to claim 9 or 10, is characterized in that, the parameter preset in described first corresponding relation comprises the gentle face number of ambient color;