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WO2018219095A1 - 双摄像头的控制方法和控制装置 - Google Patents

双摄像头的控制方法和控制装置 Download PDF

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Publication number
WO2018219095A1
WO2018219095A1 PCT/CN2018/085655 CN2018085655W WO2018219095A1 WO 2018219095 A1 WO2018219095 A1 WO 2018219095A1 CN 2018085655 W CN2018085655 W CN 2018085655W WO 2018219095 A1 WO2018219095 A1 WO 2018219095A1
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WIPO (PCT)
Prior art keywords
camera
spacing
deformation
preset
dual
Prior art date
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Ceased
Application number
PCT/CN2018/085655
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English (en)
French (fr)
Inventor
曾元清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to US16/611,430 priority Critical patent/US11184536B2/en
Priority to EP18808755.5A priority patent/EP3621291A4/en
Publication of WO2018219095A1 publication Critical patent/WO2018219095A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/61Control of cameras or camera modules based on recognised objects
    • H04N23/611Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/71Circuitry for evaluating the brightness variation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/45Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/667Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/695Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/73Circuitry for compensating brightness variation in the scene by influencing the exposure time
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/90Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums

Definitions

  • the present application relates to the field of mobile device technologies, and in particular, to a dual camera control method and control device.
  • Apple's dual camera solution has a camera with a focal length of 28mm and another camera with a focal length of 56mm.
  • a wide-angle image can be taken with a 28mm focal length camera.
  • the user can switch to a 56mm camera for shooting, thus achieving double optical zoom.
  • Huawei's dual camera solution one camera collects color information, and the other camera collects light intensity information, and the information collected by the two is combined by a certain algorithm to generate a captured image.
  • the embodiment of the present application provides a dual camera control method and a control device, which can output an image with better effect and more conforming to user requirements under different shooting conditions, and improve the user's shooting experience.
  • an embodiment of the present application provides a dual camera control method, where the dual camera includes a first camera and a second camera, the second camera is movable relative to the first camera; a driving component, the A driving member is coupled to the second camera to drive the movement thereof, the method comprising:
  • the first camera and the second camera are controlled to perform exposure, and the first image in the first imaging mode is output.
  • an embodiment of the present application provides a dual camera control apparatus, where the dual camera includes a first camera and a second camera, the second camera is movable relative to the first camera; a driving component, the A driving member is coupled to the second camera to drive the movement thereof, and the device comprises:
  • a determining module configured to determine whether the current ambient light intensity reaches a preset threshold
  • a deformation control module configured to control the deformation of the driving member to drive the movement of the second camera if the current ambient light intensity does not reach a preset threshold, so as to be between the first camera and the second camera The pitch becomes the first preset pitch;
  • a mode control module configured to control the first camera and the second camera to enter a first imaging mode corresponding to the first preset interval
  • an exposure control module in the first imaging mode, controlling the first camera and the second camera to perform exposure, and outputting the first image in the first imaging mode.
  • an embodiment of the present application provides a non-transitory computer readable storage medium, where a computer program is stored, where the program is executed by a processor to implement the dual camera described in the first aspect. Control method.
  • an embodiment of the present application provides a computer program product, where a dual camera control method according to the first aspect of the present invention is executed when an instruction in the computer program product is executed by a processor.
  • the dual camera control method and control device provided by the embodiment of the present application flexibly adjust the spacing between the first camera and the second camera through the driving component, so that the first camera and the second camera can output the effect under different shooting conditions. Better and more user-friendly images enhance the user's shooting experience.
  • FIG. 1 is a flowchart of a method for controlling a dual camera according to an embodiment of the present application
  • FIG. 2 is a schematic diagram of a first structure of a dual camera according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of a second structure of a dual camera according to an embodiment of the present application.
  • FIG. 4 is a flowchart of a method for controlling a dual camera according to another embodiment of the present application.
  • FIG. 5 is a flowchart of a method for controlling a dual camera according to another embodiment of the present application.
  • FIG. 6 is a schematic diagram of an effect in a portrait mode according to an embodiment of the present application.
  • FIG. 7 is a flowchart of a method for controlling a dual camera according to still another embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a dual camera control apparatus according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a dual camera control apparatus according to another embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a dual camera control apparatus according to another embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a dual camera control apparatus according to still another embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a dual camera control apparatus according to another embodiment of the present application.
  • FIG. 1 is a flowchart of a method for controlling a dual camera according to an embodiment of the present application.
  • control method of the dual camera includes the following steps:
  • step S1 it is determined whether the current ambient light intensity reaches a preset threshold.
  • the method is applied to an electronic device having a dual camera.
  • the specific structure can be as shown in FIG. 2 (top view), the dual camera includes a first camera 10 and a second camera 20, and the second camera 20 is movable relative to the first camera.
  • the driving member 30 connected to the second camera 20 can drive the second camera 20 to move.
  • the first camera 10 and the second camera are placed horizontally.
  • the first camera 10 can be fixed and remains stationary.
  • the bottom of the second camera 20 may be provided with balls 40 that can move horizontally with the deformation (length change) of the driving member 30 to approach or away from the first camera 10.
  • the balls at the bottom of the second camera 20 may be replaced with other components such as a drive rail.
  • the first camera 10 can be a wide-angle camera
  • the second camera 20 can be a wide-angle camera or a telephoto camera.
  • the light intensity sensor or the like can be used to determine whether the current ambient light intensity reaches a preset threshold. For example, shooting in a room of ten square meters, if it is detected that the light intensity is less than 100 lumens, it can be determined that the ambient light intensity of the current shooting does not reach the preset threshold.
  • the preset threshold may be adjusted correspondingly according to changes in the environment and weather conditions, such as indoor, outdoor, cloudy, sunny, etc., and the corresponding preset thresholds may be different.
  • Step S2 If the current ambient light intensity does not reach the preset threshold, the driving member is deformed to drive the second camera motion, so that the spacing between the first camera and the second camera becomes the first preset spacing.
  • the deformation of the driving member may be controlled to drive the movement of the second camera to change the spacing between the first camera and the second camera.
  • the first preset spacing For example, in the current scene, if the ambient light intensity is relatively weak, the first camera and the second camera need to be close to each other, and the difference between the captured images of the two images is reduced, and the composite image obtained by the two is used to improve the shooting effect.
  • a control current can be input to the driving member so that the driving member is deformed in accordance with a temperature change.
  • the resistance value of the driving member is detected, and then the length of the driving member after deformation is determined according to the resistance value, thereby determining the first camera and the second camera. Whether the change in spacing between the two is accurate, that is, whether the second camera is moved into position.
  • Step S3 Control the first camera and the second camera to enter a first imaging mode corresponding to the first preset interval.
  • the first camera and the second camera may be controlled to enter a first imaging mode corresponding to the first preset interval.
  • the first imaging mode may be an image quality enhancement mode.
  • Step S4 In the first imaging mode, the first camera and the second camera are controlled to perform exposure, and the first image in the first imaging mode is output.
  • the first camera and the second camera can be controlled to be simultaneously exposed, and the images obtained by exposing the two images are combined to finally output the first image, that is, the corresponding image in the image quality enhancement mode, thereby improving the image in the dark light.
  • Step S5 If the current ambient light intensity reaches the preset threshold, further detecting whether the face information is included in the preview image captured by the first camera and the second camera.
  • the presence of the face information in the preview image captured by the first camera and the second camera may be further detected.
  • a preset threshold that is, the light intensity is sufficiently strong, and the light condition is good enough
  • Step S6 If it is detected that the face information is not included in the preview image, the driving member is deformed to drive the second camera motion, so that the spacing between the first camera and the second camera becomes the first preset spacing.
  • the driving member deformation can be controlled, thereby driving the second camera motion, so that the spacing between the first camera and the second camera is changed.
  • the first preset spacing That is to say, although the current shooting conditions are better, the subject of the shooting is not a character, it may be a landscape, a building, etc.
  • the same mode as in the dark light condition can be selected to capture the image. . That is, the process jumps to step S3 for subsequent processes.
  • Step S7 If it is detected that the face information is included in the preview image, the driving member is deformed to drive the second camera motion, so that the spacing between the first camera and the second camera becomes the second preset spacing.
  • step S5 if the preview image captured by the first camera and the second camera includes face information, the subject is a person. Then, in order to highlight the subject, the shooting background needs to be blurred, so that the driving member deformation can be controlled to drive the second camera motion, so that the distance between the first camera and the second camera becomes the second preset spacing.
  • the second preset spacing is greater than the first preset spacing.
  • the display ratio of the face in the preview screen may be calculated after detecting that the face information is included in the preview image. If the display ratio is greater than the preset ratio, then the person is determined to be the subject, and the driving member is deformed to drive the second camera to move, so that the distance between the first camera and the second camera becomes the second preset interval.
  • the driver deformation is controlled to drive the second camera motion such that the spacing between the first camera and the second camera becomes the first preset pitch. That is, the process jumps to step S3 for subsequent processes.
  • Step S8 Control the first camera and the second camera to enter a second imaging mode corresponding to the second preset interval.
  • the first camera and the second camera may be controlled to enter a second imaging mode corresponding to the second preset interval.
  • the second imaging mode is a portrait mode.
  • Step S9 In the second imaging mode, the first camera and the second camera are controlled to perform exposure, and the second image in the second imaging mode is output.
  • the depth of field can be calculated by using the existing dual camera depth of field calculation method, thereby controlling the first camera and the second camera to perform exposure, and finally outputting the second image.
  • the second image is an image in portrait mode. As shown in Fig. 6, in the portrait mode, by increasing the camera pitch, it is possible to obtain a shallow depth of field, enhance the realism of blurring, highlight the subject, and enhance the attractiveness of the portrait.
  • Step S10 turning on the third imaging mode, and controlling the deformation of the driving member to drive the movement of the second camera, so that the spacing between the first camera and the second camera becomes the third predetermined spacing.
  • the third imaging mode can be turned on, and the movement of the second camera can be driven by controlling the deformation of the driving member, so that the distance between the first camera and the second camera becomes The third preset spacing.
  • the third preset preset pitch is greater than the second preset pitch.
  • the third imaging mode may be a depth sensing mode, and when the depth sensing mode is turned on, the spacing between the first camera and the second camera may be increased, so that the depth of field information with higher precision is obtained during preview shooting.
  • Step S11 In the third imaging mode, the depth information detected by the first camera and the second camera is provided.
  • the depth of field information detected by the first camera and the second camera can be displayed during preview shooting in the case where the depth sensing mode is turned on, thereby providing an accurate data basis for distance measurement and 3D image rendering.
  • the driving members described in the above embodiments are SMA (Shape Memory Alloys), which have the characteristics of high control precision and easy control.
  • the length of the driver after deformation can be determined according to the relationship between the mechanical properties of the SMA and the resistance characteristics, which will not be described in detail in this application.
  • the spacing between the first camera and the second camera is flexibly adjusted by the driving member, so that the first camera and the second camera can output better and more in different shooting conditions.
  • the image required by the user improves the user's shooting experience.
  • the present application also proposes a dual camera control device.
  • the dual camera control device includes a determination module 810, a deformation control module 820, a mode control module 830, and an exposure control module 840.
  • the determining module 810 is configured to determine whether the current ambient light intensity reaches a preset threshold. If the current ambient light intensity does not reach the preset threshold, the deformation control module 820 can control the drive deformation to drive the second camera motion such that the spacing between the first camera and the second camera becomes the first predetermined pitch. The mode control module 830 can then control the first camera and the second camera to enter a first imaging mode corresponding to the first predetermined spacing. The exposure control module 840 can control the first camera and the second camera to perform exposure in the first imaging mode, and output the first image in the first imaging mode.
  • the dual camera control device further includes: a first detection module 850.
  • the first detecting module 850 may further detect whether the face information is included in the preview image captured by the first camera and the second camera. If it is detected that the face information is not included in the preview image, the deformation control module 820 may control the driver deformation to drive the second camera motion such that the spacing between the first camera and the second camera becomes the first predetermined pitch. If it is detected that the face image information is included in the preview image, the deformation control module 820 can control the driver deformation to drive the second camera motion such that the spacing between the first camera and the second camera becomes the second predetermined pitch.
  • the mode control module 830 may control the first camera and the second camera to enter a second corresponding to the second preset interval.
  • Imaging mode In the second imaging mode, the exposure control module 840 may control the first camera and the second camera to perform exposure and output a second image in the second imaging mode.
  • the dual camera control device further includes: a calculation module 860.
  • the calculating module 860 can calculate the display proportion of the face in the preview picture. If the display ratio is greater than the preset ratio, the deformation control module 820 can control the deformation of the driving member to drive the movement of the second camera such that the spacing between the first camera and the second camera becomes the second predetermined spacing. If the display ratio is less than the preset ratio, the deformation control module 820 controls the deformation of the driving member to drive the movement of the second camera such that the spacing between the first camera and the second camera becomes the first predetermined spacing.
  • the dual camera control device further includes: a display module 870.
  • the deformation control module 820 is further configured to turn on the third imaging mode and control the deformation of the driving member to drive the movement of the second camera such that the spacing between the first camera and the second camera becomes the third predetermined spacing.
  • the display module 870 can provide depth of field information detected by the first camera and the second camera.
  • the dual camera control device further includes: a second detection module 880 and a determination module 890.
  • the second detection module 880 can detect the resistance value of the driver.
  • the determining module 890 can determine the length of the deformation of the driving member according to the resistance value to determine an accurate change in the spacing between the first camera and the second camera.
  • the dual camera control device of the embodiment flexibly adjusts the spacing between the first camera and the second camera through the driving component, so that the first camera and the second camera can output better and more consistently under different shooting conditions.
  • the image required by the user improves the user's shooting experience.
  • the present application also proposes a non-transitory computer readable storage medium on which a computer program is stored, and when the computer program is executed by the processor, the dual camera control method of the foregoing embodiment is implemented.
  • the present application also proposes a computer program product that implements the dual camera control method of the foregoing embodiment when the instructions in the computer program product are executed by the processor.
  • the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment.
  • portions of the application can be implemented in hardware, software, firmware, or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • the disclosed device can be implemented in other ways.
  • the device embodiments described above are schematic, for example, the division of the unit is only a logical function division, and the actual implementation may have another division manner, for example, multiple units or components may be combined or may be integrated. Go to another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical or otherwise.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • a computer readable storage medium A number of instructions are included to cause a computer device (which may be a personal computer, server or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and the like. .

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Abstract

本申请公开了一种双摄像头的控制方法和控制装置,双摄像头包括第一摄像头和第二摄像头,第二摄像头相对于第一摄像头可运动;驱动件,驱动件与第二摄像头连接以驱动其运动,方法包括:判断当前环境光强是否达到预设阈值;如果当前环境光强未达到预设阈值,则控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第一预设间距;控制第一摄像头和第二摄像头进入与第一预设间距对应的第一成像模式;在第一成像模式下,控制第一摄像头和第二摄像头进行曝光,并输出第一成像模式下的第一图像。通过驱动件灵活地调整第一摄像头和第二摄像头之间的间距,使第一摄像头和第二摄像头能够在不同的拍摄条件下输出效果更好的图像。

Description

双摄像头的控制方法和控制装置
相关申请的交叉引用
本申请要求广东欧珀移动通信有限公司于2017年5月31日提交的、申请名称为“双摄像头的控制方法和控制装置”的、中国专利申请号“201710401611.0”的优先权。
技术领域
本申请涉及移动设备技术领域,尤其涉及一种双摄像头的控制方法和控制装置。
背景技术
随着智能终端技术的不断进步,很多终端厂家开始采用双摄像头的配置。例如苹果的双摄方案,一个摄像头的焦距为28mm,另一个摄像头的焦距为56mm。用28mm焦距的摄像头可以拍摄广角图像,用户向方法被摄物体时,可切换到56mm的摄像头进行拍摄,从而实现两倍光学变焦。再例如华为的双摄方案,一个摄像头采集颜色信息,另一个摄像头采集光强度信息,将两者采集的信息利用一定的算法进行合成,从而生成拍摄的图像。
但是,要想得到类似于单反相机背景虚化的效果,通常都是采用软件算法来实现,对于复杂场景下的拍摄,对软件算法要求较高,得到的图像虚化效果不佳。
申请内容
有鉴于此,本申请实施例提供一种双摄像头的控制方法和控制装置,能够在不同的拍摄条件下输出效果更好、更符合用户需求的图像,提高用户的拍摄体验。
第一方面,本申请实施例提供一种双摄像头的控制方法,所述双摄像头包括第一摄像头和第二摄像头,所述第二摄像头相对于所述第一摄像头可运动;驱动件,所述驱动件与所述第二摄像头连接以驱动其运动,所述方法包括:
判断当前环境光强是否达到预设阈值;
如果所述当前环境光强未达到预设阈值,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第一预设间距;
控制所述第一摄像头和所述第二摄像头进入与所述第一预设间距对应的第一成像模 式;
在所述第一成像模式下,控制所述第一摄像头和所述第二摄像头进行曝光,并输出所述第一成像模式下的第一图像。
第二方面,本申请实施例提供一种双摄像头的控制装置,所述双摄像头包括第一摄像头和第二摄像头,所述第二摄像头相对于所述第一摄像头可运动;驱动件,所述驱动件与所述第二摄像头连接以驱动其运动,所述装置包括:
判断模块,用于判断当前环境光强是否达到预设阈值;
形变控制模块,用于如果所述当前环境光强未达到预设阈值,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第一预设间距;
模式控制模块,用于控制所述第一摄像头和所述第二摄像头进入与所述第一预设间距对应的第一成像模式;
曝光控制模块,在所述第一成像模式下,控制所述第一摄像头和所述第二摄像头进行曝光,并输出所述第一成像模式下的第一图像。
第三方面,本申请实施例提供一种非临时性计算机可读存储介质,其上存储有计算机程序,其特征在于,所述程序被处理器执行时实现第一方面实施例所述的双摄像头的控制方法。
第四方面,本申请实施例提供一种计算机程序产品,当所述计算机程序产品中的指令由处理器执行时,执行第一方面实施例所述的双摄像头的控制方法。
本申请实施例提供的双摄像头的控制方法和控制装置,通过驱动件灵活地调整第一摄像头和第二摄像头之间的间距,使第一摄像头和第二摄像头能够在不同的拍摄条件下输出效果更好、更符合用户需求的图像,提高了用户的拍摄体验。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它的附图。
图1为本申请一实施例提出的双摄像头的控制方法的流程图;
图2为本申请一实施例提出的双摄像头的第一结构示意图;
图3为本申请一实施例提出的双摄像头的第二结构示意图;
图4为本申请另一实施例提出的双摄像头的控制方法的流程图;
图5为本申请又一实施例提出的双摄像头的控制方法的流程图;
图6为本申请一实施例提出的人像模式下的效果示意图;
图7为本申请再一实施例提出的双摄像头的控制方法的流程图;
图8为本申请一实施例提出的双摄像头的控制装置的结构示意图;
图9为本申请另一实施例提出的双摄像头的控制装置的结构示意图;
图10为本申请又一实施例提出的双摄像头的控制装置的结构示意图;
图11为本申请再一实施例提出的双摄像头的控制装置的结构示意图;
图12为本申请另一个实施例提出的双摄像头的控制装置的结构示意图。
具体实施方式
下面结合附图对本申请实施例一种双摄像头的控制方法和装置进行详细描述。
应当明确,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例,都属于本申请保护的范围。
图1为本申请一实施例提出的双摄像头的控制方法的流程图。
如图1所示,该双摄像头的控制方法包括以下步骤:
步骤S1,判断当前环境光强是否达到预设阈值。
其中,该方法应用与具有双摄像头的电子设备。具体结构可如图2所示(俯视),双摄像头包括第一摄像头10和第二摄像头20,第二摄像头20相对于第一摄像头可运动。与第二摄像头20连接的驱动件30,可以驱动第二摄像头20运动。
在本申请的一个实施例中,如图3所示(侧视),第一摄像头10和第二摄像头水平放置。第一摄像头10可固定,保持不动。第二摄像头20底部可设有滚珠40,可随着驱动件30的形变(长度变化)水平移动,接近或远离第一摄像头10。
可选地,第二摄像头20底部的滚珠可用传动导轨等其他部件代替。
可选地,第一摄像头10可为广角摄像头,第二摄像头20既可以是广角摄像头,也可以是长焦摄像头。
在本实施例中,当电子设备的双摄像头启动之后,可利用光强传感器等部件判断当前环境光强是否达到预设阈值。例如:在十平米的室内进行拍摄,如果检测到光照强度低于100流明,则可确定当前拍摄的环境光强没有达到预设阈值。
应当理解的是,预设阈值可随着环境、天气条件的变化进行相应的调整,如室内、室外、阴天、晴天等等,其对应的预设阈值可以不同。
步骤S2、如果当前环境光强未达到预设阈值,则控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第一预设间距。
在本实施例中,如果光强传感器检测到的当前环境光强未达到预设阈值,那么可控制驱动件形变,从而驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第一预设间距。例如,当前场景下,环境光强比较弱,则需要将第一摄像头和第二摄像头靠近,减小两者拍摄图像之间的差异,利用两者得到的合成图像来提高拍摄的效果。
具体地,可对驱动件输入控制电流,从而使驱动件根据温度变化进行形变。
可选地,为了保证控制驱动件形变的准确性,可在控制驱动件形变之后,检测驱动件的电阻值,然后根据电阻值确定驱动件形变后的长度,从而确定第一摄像头和第二摄像头之间的间距变化是否准确,即第二摄像头是否移动到位。
步骤S3、控制第一摄像头和第二摄像头进入与第一预设间距对应的第一成像模式。
在驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第一预设间距之后,可控制第一摄像头和第二摄像头进入与第一预设间距对应的第一成像模式。其中,第一成像模式可为画质增强模式。
步骤S4、在第一成像模式下,控制第一摄像头和第二摄像头进行曝光,并输出第一成像模式下的第一图像。
在本实施例中,可控制第一摄像头和第二摄像头同时曝光,将两者曝光得到的图像进行合成,最终输出第一图像,即画质增强模式下对应的图像,从而提高图像在暗光条件下的拍摄效果。
在本申请的另一实施例中,如图4所示,还可包括以下步骤:
步骤S5、如果当前环境光强达到预设阈值,则进一步检测第一摄像头和第二摄像头拍摄的预览画面中是否包含人脸信息。
在本申请的一个实施例中,如果当前环境光强达到预设阈值即光强足够强,光线条件足够好,那么可进一步检测第一摄像头和第二摄像头拍摄的预览画面中是否包含有人脸信息,以确定拍摄的主体是否为人物。
步骤S6、如果检测到预览画面中未包含人脸信息,则控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第一预设间距。
如果没有检测到预览画面中包含有人脸信息,则说明当前拍摄的主体不为人物,那么则可控制驱动件形变,从而驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第一预设间距。也就是说,虽然当前拍摄光线条件比较好,但是拍摄的主体不为人物,可能是风景、建筑等,为了更好展示图像的细节,那么可选择与暗光条件下相同的模式,来拍摄图像。即跳转至步骤S3进行后续过程。
在本申请的又一实施例中,如图5所示,还可包括以下步骤:
步骤S7、如果检测到预览画面中包含有人脸信息,则控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第二预设间距。
在步骤S5之后,如果第一摄像头和第二摄像头拍摄的预览画面中包含有人脸信息,则说明拍摄主体为人物。那么为了突出拍摄主体,需要将拍摄背景虚化,因此可控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第二预设间距。其中,第二预设间距大于第一预设间距。
可选地,为了提高确定拍摄主体为人物的准确性,可以在检测到预览画面中包含有人脸信息之后,计算人脸在预览画面中的显示比例。如果显示比例大于预设比例,那么可确定人物为拍摄主体,则控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第二预设间距。
如果显示比例小于预设比例,那么可确定人物不是拍摄主体,则控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第一预设间距。即跳转至步骤S3进行后续过程。
步骤S8、控制第一摄像头和第二摄像头进入与第二预设间距对应的第二成像模式。
在驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第二预设间距之后,可控制第一摄像头和第二摄像头进入与第二预设间距对应的第二成像模式。其中,第二成像模式为人像模式。
步骤S9、在第二成像模式下,控制第一摄像头和第二摄像头进行曝光,并输出第二成像模式下的第二图像。
在本实施例中,可利用现有的双摄像头景深计算方法计算景深,从而控制第一摄像头和第二摄像头进行曝光,最终输出第二图像。其中,第二图像为人像模式下的图像。如图6所示,在人像模式下,通过增大摄像头间距,可以获取较浅的景深,加强虚化的真实感,突出主体,提高人像的吸引力。
在本申请的再一实施例中,如图7所示,还可包括以下步骤:
步骤S10、开启第三成像模式,并控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第三预设间距。
在本实施例中,当电子设备的双摄像头启动之后,可以开启第三成像模式,并可以通过控制驱动件形变,驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第三预设间距。其中,第三预设预设间距大于第二预设间距。第三成像模式可以为深度感知模式,当开启深度感知模式时,可增加第一摄像头和第二摄像头之间的间距,使得在预览拍摄时,获得精度更高的景深信息。
步骤S11、在第三成像模式下,提供第一摄像头和第二摄像头检测到的景深信息。
在本实施例中,可在深度感知模式开启的情况下,在预览拍摄时展示第一摄像头和第二摄像头检测到的景深信息,从而为距离测量以及3D图像绘制提供精准的数据基础。
应当理解的是,上述实施例中描述的驱动件为SMA(形状记忆合金,Shape Memory Alloys),其具有控制精度高,易于控制等特点。驱动件形变后的长度可以根据SMA的力学性能和电阻特性之间的关系确定,本申请对此不作详细说明。
本实施例的双摄像头的控制方法,通过驱动件灵活地调整第一摄像头和第二摄像头之间的间距,使第一摄像头和第二摄像头能够在不同的拍摄条件下输出效果更好、更符合用户需求的图像,提高了用户的拍摄体验。
为实现上述实施例,本申请还提出一种双摄像头的控制装置。
如图8所示,双摄像头的控制装置包括判断模块810、形变控制模块820、模式控制模块830和曝光控制模块840。
其中,判断模块810用于判断当前环境光强是否达到预设阈值。如果当前环境光强未达到预设阈值,形变控制模块820可控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第一预设间距。然后模式控制模块830可控制第一摄像头和第二摄像头进入与第一预设间距对应的第一成像模式。曝光控制模块840可在第一成像模式下,控制第一摄像头和第二摄像头进行曝光,并输出第一成像模式下的第一图像。
在本申请的另一个实施例中,如图9所示,双摄像头的控制装置还包括:第一检测模块850。
当当前环境光强达到预设阈值时,第一检测模块850可进一步检测第一摄像头和第二摄像头拍摄的预览画面中是否包含人脸信息。如果检测到预览画面中未包含人脸信息,那么形变控制模块820可控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第一预设间距。如果检测到预览画面中包含有人脸信息,形变控制模块820可控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第二预设间距。
在形变控制模块820控制第一摄像头和第二摄像头之间的间距变为第二预设间距之后,模式控制模块830可控制第一摄像头和第二摄像头进入与第二预设间距对应的第二成像模式。在第二成像模式下,曝光控制模块840可控制第一摄像头和第二摄像头进行曝光,并输出第二成像模式下的第二图像。
在本申请的又一个实施例中,如图10所示,双摄像头的控制装置还包括:计算模块860。
在第一检测模块850检测到预览画面中包含有人脸信息之后,计算模块860可计算人脸在预览画面中的显示比例。如果显示比例大于预设比例,形变控制模块820可控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第二预设间距。如果显示比例小于预设比例,形变控制模块820则控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第一预设间距。
在本申请的再一个实施例中,如图11所示,双摄像头的控制装置还包括:显示模块870。
形变控制模块820还用于开启第三成像模式,并控制驱动件形变,以驱动第二摄像头运动,使第一摄像头和第二摄像头之间的间距变为第三预设间距。在第三成像模式下,显示模块870可提供第一摄像头和第二摄像头检测到的景深信息。
在本申请的另一个实施例中,如图12所示,双摄像头的控制装置还包括:第二检测模块880和确定模块890。
在形变控制模块820控制驱动件形变之后,第二检测模块880可检测驱动件的电阻值。确定模块890可根据电阻值确定驱动件形变后的长度,以确定第一摄像头和第二摄像头之间的间距变化准确。
应当理解的是,关于上述实施例中的双摄像头的控制装置,其中各个模块执行操作的具体方式已经在有关该双摄像头的控制方法的实施例中进行了详细描述,此处将不做详细阐述说明。
本实施例的双摄像头的控制装置,通过驱动件灵活地调整第一摄像头和第二摄像头之间的间距,使第一摄像头和第二摄像头能够在不同的拍摄条件下输出效果更好、更符合用户需求的图像,提高了用户的拍摄体验。
为了实现上述实施例,本申请还提出了一种非临时性计算机可读存储介质,其上存储有计算机程序,当该计算机程序被处理器执行时,实现前述实施例的双摄像头的控制方法。
为了实现上述实施例,本申请还提出了一种计算机程序产品,当该计算机程序产品中的指令由处理器执行时,实现前述实施例的双摄像头的控制方法。
对于装置、移动设备、计算机程序产品及存储介质实施例而言,由于其基本相似于方法实施例,所以描述的比较简单,相关之处参见方法实施例的部分说明即可。
应当理解,本申请的各部分可以用硬件、软件、固件或它们的组合来实现。在上述实施方式中,多个步骤或方法可以用存储在存储器中且由合适的指令执行系统执行的软件或固件来实现。例如,如果用硬件来实现,和在另一实施方式中一样,可用本领域公知的下列技术中的任一项或他们的组合来实现:具有用于对数据信号实现逻辑功能的逻辑门电路 的离散逻辑电路,具有合适的组合逻辑门电路的专用集成电路,可编程门阵列(PGA),现场可编程门阵列(FPGA)等。
在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外,在不相互矛盾的情况下,本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本申请的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本申请的限制,本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。
需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
值得说明的是,对于前述的各方法实施例,为了简单描述,故将其都表述为一系列的动作组合,但是本领域技术人员应该知悉,本申请并不受所描述的动作顺序的限制,因为依据本申请,某些步骤可以采用其他顺序或者同时进行。其次,本领域技术人员也应该知悉,说明书中所描述的实施例均属于优选实施例,所涉及的动作和模块并不一定是本申请所必须的。
在上述实施例中,对各个实施例的描述都各有侧重,某个实施例中没有详述的部分,可以参见其他实施例的相关描述。
在本申请所提供的几个实施例中,应该理解到,所揭露的装置,可通过其它的方式实 现。例如,以上所描述的装置实施例是示意性的,例如所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现,也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可为个人计算机、服务器或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,以上实施例仅用以说明本申请技术方案,而非对其限制;尽管参照前述实施例对本申请进行了详细的说明,其中,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。
以上所述仅为本申请的较佳实施例而已,并非用于限定本申请的保护范围。凡在本申请的精神和原则之内所作的任何修改、等同替换、改进等,均包含在本申请的保护范围内。

Claims (20)

  1. 一种双摄像头的控制方法,其特征在于,所述双摄像头包括第一摄像头和第二摄像头,所述第二摄像头相对于所述第一摄像头可运动;驱动件,所述驱动件与所述第二摄像头连接以驱动其运动,所述方法包括以下步骤:
    判断当前环境光强是否达到预设阈值;
    如果所述当前环境光强未达到预设阈值,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第一预设间距;
    控制所述第一摄像头和所述第二摄像头进入与所述第一预设间距对应的第一成像模式;
    在所述第一成像模式下,控制所述第一摄像头和所述第二摄像头进行曝光,并输出所述第一成像模式下的第一图像。
  2. 如权利要求1所述的双摄像头的控制方法,其特征在于,还包括:
    如果所述当前环境光强达到预设阈值,则进一步检测所述第一摄像头和所述第二摄像头拍摄的预览画面中是否包含人脸信息;
    如果检测到所述预览画面中未包含人脸信息,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第一预设间距。
  3. 如权利要求2所述的双摄像头的控制方法,其特征在于,还包括:
    如果检测到所述预览画面中包含有人脸信息,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第二预设间距;
    控制所述第一摄像头和所述第二摄像头进入与所述第二预设间距对应的第二成像模式;
    在所述第二成像模式下,控制所述第一摄像头和所述第二摄像头进行曝光,并输出所述第二成像模式下的第二图像。
  4. 如权利要求3所述的双摄像头的控制方法,其特征在于,在检测到所述预览画面中包含有人脸信息之后,还包括:
    计算人脸在所述预览画面中的显示比例;
    如果显示比例大于预设比例,则控制所述驱动件形变,以驱动所述第二摄像头运动, 使所述第一摄像头和所述第二摄像头之间的间距变为第二预设间距。
  5. 如权利要求4所述的双摄像头的控制方法,其特征在于,还包括:
    如果显示比例小于预设比例,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第一预设间距。
  6. 如权利要求1所述的双摄像头的控制方法,其特征在于,还包括:
    开启第三成像模式,并控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第三预设间距;
    在所述第三成像模式下,提供所述第一摄像头和所述第二摄像头检测到的景深信息。
  7. 如权利要求1所述的双摄像头的控制方法,其特征在于,控制所述驱动件形变,包括:
    对所述驱动件输入控制电流,以使所述驱动件根据温度变化进行形变。
  8. 如权利要求7所述的双摄像头的控制方法,其特征在于,在控制所述驱动件形变之后,还包括:
    检测所述驱动件的电阻值;
    根据所述电阻值确定所述驱动件形变后的长度,以确定所述第一摄像头和所述第二摄像头之间的间距变化准确。
  9. 如权利要求1所述的双摄像头的控制方法,其特征在于,所述驱动件为形状记忆合金SMA。
  10. 一种双摄像头的控制装置,其特征在于,所述双摄像头包括第一摄像头和第二摄像头,所述第二摄像头相对于所述第一摄像头可运动;驱动件,所述驱动件与所述第二摄像头连接以驱动其运动,所述装置包括:
    判断模块,用于判断当前环境光强是否达到预设阈值;
    形变控制模块,用于如果所述当前环境光强未达到预设阈值,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第一预设间距;
    模式控制模块,用于控制所述第一摄像头和所述第二摄像头进入与所述第一预设间距对应的第一成像模式;
    曝光控制模块,用于在所述第一成像模式下,控制所述第一摄像头和所述第二摄像头进行曝光,并输出所述第一成像模式下的第一图像。
  11. 如权利要求10所述的双摄像头的控制装置,其特征在于,还包括:
    第一检测模块,用于如果所述当前环境光强达到预设阈值,则进一步检测所述第一摄像头和所述第二摄像头拍摄的预览画面中是否包含人脸信息;
    所述形变控制模块,还用于如果检测到所述预览画面中未包含人脸信息,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第一预设间距。
  12. 如权利要求10所述的双摄像头的控制装置,其特征在于,
    所述形变控制模块,还用于如果检测到所述预览画面中包含有人脸信息,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第二预设间距;
    所述模式控制模块,还用于控制所述第一摄像头和所述第二摄像头进入与所述第二预设间距对应的第二成像模式;
    所述曝光控制模块,还用于在所述第二成像模式下,控制所述第一摄像头和所述第二摄像头进行曝光,并输出所述第二成像模式下的第二图像。
  13. 如权利要求12所述的双摄像头的控制装置,其特征在于,所述装置还包括:
    计算模块,用于在检测到所述预览画面中包含有人脸信息之后,计算人脸在所述预览画面中的显示比例;
    所述形变控制模块,还用于如果显示比例大于预设比例,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第二预设间距。
  14. 如权利要求13所述的双摄像头的控制装置,其特征在于,所述形变控制模块,还用于:
    如果显示比例小于预设比例,则控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第一预设间距。
  15. 如权利要求10所述的双摄像头的控制装置,其特征在于,所述装置还包括:
    所述形变控制模块,还用于开启第三成像模式,并控制所述驱动件形变,以驱动所述第二摄像头运动,使所述第一摄像头和所述第二摄像头之间的间距变为第三预设间距;
    显示模块,用于在所述第三成像模式下,提供所述第一摄像头和所述第二摄像头检测到的景深信息。
  16. 如权利要求10所述的双摄像头的控制装置,其特征在于,所述形变控制模块,用于:
    对所述驱动件输入控制电流,以使所述驱动件根据温度变化进行形变。
  17. 如权利要求16所述的双摄像头的控制装置,其特征在于,所述装置还包括:
    第二检测模块,用于在控制所述驱动件形变之后,检测所述驱动件的电阻值;
    确定模块,用于根据所述电阻值确定所述驱动件形变后的长度,以确定所述第一摄像头和所述第二摄像头之间的间距变化准确。
  18. 如权利要求10所述的双摄像头的控制方法,其特征在于,所述驱动件为形状记忆合金SMA。
  19. 一种非临时性计算机可读存储介质,其上存储有计算机程序,其特征在于,所述程序被处理器执行时实现如权利要求1至9中任一项所述的双摄像头的控制方法。
  20. 一种计算机程序产品,其特征在于,当所述计算机程序产品中的指令由处理器执行时,实现如权利要求1至9中任一项所述的双摄像头的控制方法。
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