TWI547176B - Monitoring system with ultra-wide-angle camera and method for transmitting monitoring signals - Google Patents

Description

Monitoring system and monitoring signal transmission method with super wide-angle photographic lens

The present disclosure proposes a monitoring system and a monitoring signal transmission method with an ultra wide-angle photographic lens, in particular, a monitoring system using an access control device with an ultra wide-angle photographic lens and a signal transmission method thereof.

With the development of automation, the use of computer control of various access control systems has become more and more popular. Such systems can not only provide convenient and fast access control, but also use computer statistics to manage personnel.

There are various implementations of the access control system, and cards and card readers that are gradually popularized, such as radio frequency identification (RFID) technology, can be referred to a card swiping device shown in FIG.

A schematic view of the appearance of the card swiping device 10 according to the prior art shown in FIG. The device is installed indoors and has a power line 11, a card swipe area 13 and a display screen 15 in appearance.

After the RFID card is read by the card swiping area 13, the display screen 15 usually displays information about the RFID card, or may include time, etc., and functions as a person management and access control.

More conventional techniques provide ancillary functions other than access control, such as photography monitoring, two-way conversation, and the like.

The disclosure discloses a monitoring system and a monitoring signal transmission method with an ultra wide-angle photographic lens. In addition to the conventional technology for managing the function of swiping in and out of events, the photographic lens is used to assist personnel identification, and Super wide-angle lens assists, without missing any on-site personnel to achieve the effect of safety monitoring.

The monitoring system with super wide-angle photographic lens is combined with the back-end control system to provide other security measures. According to an embodiment, the monitoring system with ultra-wide-angle photographic lens includes one or more access control terminals and a control through the network connection. The central host; another embodiment includes utilizing one or more access control hosts to receive signals from external access terminal devices, and then to switch to the control center host.

In particular, each access control terminal device uses a super wide-angle photographic lens to perform the function of swiping and capturing. When the cardless signal is not used, it can be used as a monitoring function. When the swipe signal is received, a driving signal is generated, resulting in an ultra wide-angle photographic lens. Perform shooting.

The access terminal device includes a micro processing unit for processing signals between circuit units in the device, uses a signal reading unit to read the behavior of the card, and receives the signal read by the signal reading unit by the access signal processing unit, and A driving signal is generated, which is used to brake the driving unit and execute a shooting process through the super wide-angle photographic lens. Then, the image capturing unit captures and creates an image signal taken by the super wide-angle photographic lens.

The access terminal device further includes a communication unit that can connect to the network and contact the control center host.

The access terminal device further has a display unit for displaying the image signal captured by the cardholder through the super wide-angle photographic lens and the photo stored by the card holder in the basic data, by displaying the photo in the basic data and the image captured in real time. Let others or guards know at a glance the difference between the cardholder and the photos in the basic information.

The relevant monitoring signal transmission method is applied to the above-mentioned access control terminal installation At the same time, the image signal and the identification signal relative to the image signal are transmitted to the control center host, the executive is controlled, or the file is filed and read afterwards.

The company's line number entry and exit is usually provided with a card swiping device for management personnel to enter and exit, and the monitoring system with super wide-angle lens proposed in the present disclosure provides personnel control, real-time monitoring, remote file creation, and after-the-fact access. The main features of the service system are:

First, the use of super wide-angle photographic lens to perform swiping capture, you can not miss the things in front of the card machine.

Second, after swiping the card, the basic information photo data and the instant image captured by the swipe card are displayed on the display device to deter the resistance punching behavior.

It is worth mentioning that in the prior art, when the card reader performs the brush reading, although the card information is left on the record, the card holder is not able to use the card card immediately, so it is impossible to prevent the card holder from holding other people. The card does not replace the card punching behavior of the card, nor can it know from the card record whether it is a card punch.

The disclosure discloses an access control terminal device having a display unit, which can display an image signal captured by a cardholder through an ultra wide-angle camera lens and a photo stored by the card holder in the basic data, and instantly display the photo in the basic data and capture the image in real time. The video data allows the person or guard to know at a glance the difference between the cardholder and the photo in the basic data, so that the card reader understands that once the card is taken instead of punching, the photo in the basic data will be compared with the actual card reader. Displayed in the display device to deter Card people are lucky enough to avoid punching.

According to the present disclosure, an embodiment of a monitoring system having an ultra wide-angle photographic lens is proposed. As shown in FIG. 2, a monitoring system for connecting each end device by using the network 20 is schematically illustrated.

At one end of FIG. 2, there is shown a control center host 22, which is responsible for receiving signals transmitted by the end devices, in particular, some incoming and outgoing control signals. The back end includes a monitoring unit 223 and a monitoring unit 225 as shown. The personnel management section can display various signals received at any time through the display, including the card signal and video signal.

The control center host 22 is connected to a database 221, and stores signals from the terminal devices according to the data contact relationship, which can be accessed and viewed in the future. For example, the signals received from the card swiping terminals 241, 243, 261 will carry the identification codes identifying the terminals, and the other signals of the terminals should be stored relatively, and finally archived in the database 221.

In this embodiment, the control center host 22 is connected to the access control host 24 and the access control host 26 via the network 20, and each of the access control hosts respectively connects the card-swapping terminals disposed in each place. In this example, the access control host 24 is connected to the card swipe terminals 241, 243, and the access control host 26 is connected to the swipe card terminal 261.

The above-mentioned access control host 24 or access control host 26 can be set at a specific location, so that multiple or different types of card-swapping terminals can be managed at the same time, and can be used as a management workstation on a regional network to perform some pre-operations, and then Then connect with the control center host 22 to transmit signals.

The card-finding terminals 241, 243, and 261 provided in the terminals may be different types and functions. According to the preferred embodiment of the disclosure, each card-swapping terminal, such as the card-finding terminal 261, includes at least a photographic lens 201 and a card-swapping area 202. Several components, such as the light number 203, especially the photographic lens 201 In order to shoot a super wide-angle lens, in order to capture the image of the entire area after the card signal is generated, a more effective monitoring effect can be produced.

For example, if a card reader does not have a photographic lens, it can only recognize whether the identification code on the card is an authenticated card, and it is impossible to know whether it is held by the original card holder; or, even if the card is swiped by the party, generally The photographic lens with a narrow range can not capture the image of a wide area, so that the illegal person can hide the dead angle that cannot be photographed, and the monitoring effect is limited.

In accordance with another embodiment, a surveillance system having an ultra wide-angle photographic lens of the present disclosure includes one or more access terminal devices 31, 33 and a control center host 22 connected through a network 20 as shown in FIG. The connection relationship described here is that each of the access control terminal devices 31, 33 directly connects to the control center host 22.

The network 20 can be a general Ethernet network, a circuit for regional connection, or even a specific dedicated line. In this example, the control center host 22 directly receives the signals of the access terminal devices 31, 33 through the network 20, such as It is a swipe signal received by the access control terminal device 33 via the swipe area 333 and an image signal taken through the super wide-angle photographic lens 331. The light number 335 on the access terminal device 33 can be used to display the card signal status, the power light number, the network connection status, the signal processing status, and the like.

After the card is swiped, the access terminal devices 31, 33 can simultaneously generate the card signal, the video signal and the identification code of each device, and are transmitted to the control center host 22 via the network 20, and can be monitored by the monitoring unit 223 and the monitoring unit 225. Or save to the database 221.

In particular, each access control terminal device uses a super wide-angle photographic lens to perform the function of swiping and capturing. When the cardless signal is not used, it can be used as a monitoring function. When the swipe signal is received, a driving signal is generated, so that the super wide-angle photographic lens is executed. Shooting.

The access terminal device includes a micro processing unit for processing signals between circuit units in the device, uses a signal reading unit to read the behavior of the card, and receives the signal read by the signal reading unit by the access signal processing unit, and A driving signal is generated, which is used to brake the driving unit and execute a shooting process through the super wide-angle photographic lens. Then, the image capturing unit captures and creates an image signal taken by the super wide-angle photographic lens.

The access terminal device further includes a communication unit that can connect to the network and contact the control center host.

The related monitoring signal transmission method is applied to the above-mentioned access control terminal device, and at the same time, the image signal and the identification signal relative to the image signal are transmitted to the control center host, the executive is controlled, or the file is filed and read afterwards.

4 is a circuit block diagram showing one embodiment of an access terminal device having an ultra wide-angle photographic lens in the present disclosure. In order to achieve the purpose of access control management, monitoring and wide-angle imaging provided by the above system, the access terminal device has various circuit modules disclosed in FIG.

For example, the micro processing unit 40 is a main circuit for signal processing, and is particularly used for processing signals between circuit units in the access terminal device. The image forming unit 42, the access control signal processing unit 43, the memory unit 44, and the communication unit 45, which are electrically connected to the micro processing unit 40, are selectively connected to the display unit 41.

When the user holds the access control device (such as an IC card or an equal-function identification device) to access the access terminal device, taking the wireless device as an example, the access terminal device can sense a range of signals through the signal reading unit 413 thereon. Source, will actively read the information in the access control device, especially a control signal to determine whether the access control can be activated, and then the signal reading unit The 413 receives the signal, and a driving signal is immediately generated, which is received by the driving unit 46 of the circuit responsible for shooting, and drives the super wide-angle photographic lens 47 to shoot.

The access terminal device has a function of performing a card capture by the circuit composed of the driving unit 46, the super wide-angle photographic lens 47 and the image establishing unit 42. When the driving unit 46 receives the driving signal generated by the card swiping, the ultra-wide-angle photographic lens is driven. 47, the shooting process is performed, and then the signal is imaged and established by the image establishing unit 42. The signal will correspond to the access control signal generated by the card, and is received by the micro processing unit 40, and can be temporarily stored in the memory unit 44, and the memory unit 44 can be used. The identification code of the credit card device is temporarily stored and various information for person identification is stored.

A monitoring system manages a plurality of terminal devices at the same time, so each terminal device is separated from each other by its own identification code. In this example, signals generated by swiping and driving the shooting will correspond to each other, and combined with the identification signal of the access terminal device itself. The communication unit 45 communicates with the external communication port 415, such as the control center host 22 in the drawing.

In this example, the access terminal device may be provided with a display unit 41. The display unit 41 may be disposed on the device panel, and may be used to display time, date, and the like in a normal state. After the device senses a card swipe event, the display unit 41 may display Information about the card swiping device (such as identification code, time stamped, date), or status indicating whether the identification is successful or not. In particular, after sensing the card swiping event, the display unit 41 can display the image signal taken by the cardholder through the super wide-angle photographic lens and the photo photo stored by the card holder in the database, so that the person or the guard can easily check the instant. Display data photos and instant captured image data to prevent the substitution of punching.

According to the embodiment described in the present disclosure, the access terminal device is transmitted through Ultra-wide-angle photographic lenses for shooting live images. These super-wide-angle photographic lenses are especially lenses that can achieve a wide viewing angle of nearly 180 degrees in one shot, such as a lens called "fisheye", and such super wide-angle photographic lenses The captured image usually has distortion of image distortion around it. Therefore, in the monitoring system proposed by the present disclosure or the access control system or the shooting device of the front end, a special correction for such image distortion problem can be set. Correction unit.

Since the super wide-angle photographic lens is fixedly integrated on the card squeezing machine, or can be externally connected or built-in, the degree of distortion is known, so a fixed image correction method can be utilized to save computational cost.

One of the correction methods is as shown in the figure. The access terminal device itself does not process the distorted signal, but is transmitted to the control center host 22, and the correction is processed by the correction unit 411 in the control center host 22.

For another image correction method, reference may be made to the embodiment shown in FIG. 5. In this example, the image correction is performed before the signal is transmitted through the correction mechanism in the device.

The calibration method, for example, the coordinate unit converts the captured image into a normal image by using a coordinate conversion method, and the conversion method can use the set conversion matrix to place each pixel (pixel) value and coordinate in the image into the original matrix. The conversion matrix performs the correction, and other possible programs may also include steps such as image cropping and zooming in and out.

The system disclosed in the present disclosure is not limited to the above-described correction method, and other methods of correcting images taken by the super wide-angle photographic lens may also use interpolation to restore the corrected but missing pixel content.

According to Fig. 5, there is shown a circuit block diagram of the second embodiment of the access terminal device having an ultra wide-angle photographic lens.

The access terminal device also has a micro-processing of signal processing between circuit units The processing unit 40 and the image capturing unit 42 that generates the image signal after receiving the access signal are read by the signal reading unit and the access signal processing unit 43 that generates the driving signal.

According to this embodiment, the related circuit for performing photographing after the card swipe event is generated includes an ultra wide-angle photographic lens 47 having an ultra wide-angle field of view, a driving unit 46 electrically connecting the super wide-angle photographic lens 47, and particularly including a correcting unit 51. The image forming unit 42 and the micro processing unit 40 are electrically connected, and the correcting unit 51 disposed in the device can be used to correct the image signal generated by the super wide-angle photographic lens 47.

In this example, the memory unit 44 is also used to temporarily store the image signal and the access control signal, and the display unit 41 can be used to preview the image corrected by the correction unit 51.

Each card swiping event will generate an access signal and a corresponding video signal, and combine the identification code of the access terminal device with the identification signal carrying the identification code of the access terminal device and the identification code of the corresponding access device, through the communication unit 45. The communication port 415 is passed to the remote control center host.

According to the monitoring system described in the present disclosure, this may include a plurality of access control terminal devices in a network domain, and related personnel management will perform management through the remote control center host 22, and the database in the control center host 22 will The identification code of each of the plurality of access control terminal devices and the identification code of each of the entrance and exit permitters are stored, so that the access control signals can be transmitted through the comparison of the control center host 22, and then the license signal is transmitted back, thereby controlling the door lock, or It is a related maintenance measure, or a different security guard, to achieve a system that has both security, access control, and personnel access management.

The flow of the monitoring signal transmission method using the above monitoring system can refer to the flow of FIG. 6.

In step S601, the access control terminal device first receives a forbidden signal, and the access control signal extracts the relevant identification signal (step S603). After the card swipe event, the device immediately generates a driving signal (step S605), whereby the driving has The photographing module of an ultra wide-angle photographic lens executes a photographing program (step S607).

Generating an image signal by image capture and creation (step S609), temporarily storing the image and the identification signal in the memory (step S611). In this example, the access terminal device can perform the image correction process by itself (step S613). After the corrected image is generated (step S615), it may be processed first in the device. As described in step 617, the relevant signal is stored or temporarily stored, and in step S619, the corrected image and the connected identification signal are transmitted.

For another process embodiment, reference may be made to the process of the monitoring signal transmission method of the monitoring system shown in FIG.

First, in step S701, the access control terminal device receives a forbidden signal, and after the data is retrieved, the system receives an identification signal (step S705), and accordingly generates a driving signal.

The driving signal immediately drives the photography module to shoot (step S707), thereby generating an image signal (step S709). The device temporarily stores the image and the identification signal (step S711). In this example, in step S713, the device first transmits the image signal and the connected identification signal to the remote control center host, and the correction program is executed by the back end (step S715).

It is worth mentioning that the apparatus and system described in the present disclosure are not limited to a card swipe mechanism that is performed wirelessly. After the card is swiped, the trigger driving unit drives the camera module with the super wide-angle lens to capture the image, and the captured image is preferably static, or can be a continuous shooting still image, or a moving image, which can be used for identification. .

In summary, the monitoring system described in the disclosure has a device for managing personnel, such as a card reader using radio frequency identification (RFID) technology, and an ultra wide-angle camera lens integrated in the card reader. When an in/out person performs a swipe, the super wide-angle photographic lens is shot and an identification image is generated, in particular by a remote control center for subsequent management. Or, the access control system includes at least a card swiping machine and an ultra-wide-angle photographic lens. If it is not connected to the back-end control center, it can handle the image capturing, capturing, correcting and storing actions by itself, and then perform the after-the-fact through the computer system. Check.

However, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, equivalent structural changes that are made by using the specification and the contents of the present invention are equally included in the present invention. Within the scope, it is combined with Chen Ming.

10‧‧‧Swipe device

11‧‧‧Power line

13‧‧‧Swipe area

15‧‧‧Display screen

7‧‧‧ line connector

20‧‧‧Network

22‧‧‧Control Center Host

221‧‧‧Database

223‧‧‧Monitoring unit one

225‧‧‧Monitoring unit 2

24‧‧‧Access Control Host 1

26‧‧‧Access Control Host II

241,243,261‧‧ ‧ swipe terminal

201‧‧‧Photographic lens

202‧‧‧Swipe area

203‧‧‧ lights

31,33‧‧‧Access control terminal device

331‧‧‧Super wide-angle lens

333‧‧‧Swipe area

335‧‧‧ lights

40‧‧‧Microprocessing unit

42‧‧‧Image Creation Unit

43‧‧‧Access Control Signal Processing Unit

44‧‧‧ memory unit

45‧‧‧Communication unit

46‧‧‧ drive unit

47‧‧‧Super wide-angle lens

411, 51‧‧‧ calibration unit

413‧‧‧Signal reading unit

415‧‧‧Communication埠

41‧‧‧Display unit

Step S601~S619‧‧‧One of the processes of monitoring signal transmission method

Step S701~S715‧‧‧ Monitoring signal transmission method flow 2

1 is a schematic view showing the appearance of a card swiping device of the prior art; FIG. 2 is a schematic view showing one embodiment of a monitoring system having an ultra wide-angle photographic lens according to the present invention; and FIG. 3 is a schematic view showing an embodiment of a monitoring system having an ultra wide-angle photographic lens according to the present invention; FIG. 4 is a circuit block diagram showing an embodiment of an access control terminal device having an ultra wide-angle photographic lens according to the present invention; FIG. 5 is a circuit block diagram showing a second embodiment of the access control terminal device having an ultra wide-angle photographic lens according to the present invention; 6 is shown as one of the processes of the monitoring signal transmission method for applying the monitoring system of the present invention; FIG. 7 shows the second flow of the monitoring signal transmission method for applying the monitoring system of the present invention.

20‧‧‧Network

22‧‧‧Control Center Host

221‧‧‧Database

223‧‧‧Monitoring unit one

225‧‧‧Monitoring unit 2

24‧‧‧Access Control Host 1

26‧‧‧Access Control Host II

241,243,261‧‧ ‧ swipe terminal

201‧‧‧Photographic lens

202‧‧‧Swipe area

203‧‧‧ lights

Claims (15)

A monitoring system with an ultra wide-angle photographic lens, comprising: one or more access terminal devices, wherein each access terminal device comprises: a micro processing unit for processing signals between circuit units in the access terminal device; a unit for reading a signal of an access control device; a forbidden signal processing unit electrically connected to the micro processing unit and the signal reading unit for receiving a signal read by the signal reading unit according to a card swiping event And generating a driving signal; a super wide-angle photographic lens, which is a photographic lens with an ultra-wide-angle field of view, in order to capture a swipe image immediately according to the swiping event; a driving unit electrically connecting the super wide-angle photographic lens to receive The access signal processing unit generates a shooting program according to the driving signal generated by the card reading event, and then drives the super wide-angle lens according to the driving signal to execute a shooting process; an image establishing unit electrically connecting the driving unit and the a micro processing unit for capturing and establishing an image signal captured by the super wide-angle photographic lens; The image signal captured by the photographic lens and the data photo in the database; a communication unit electrically connected to the micro processing unit, the access terminal device is connected to the network by the communication unit; and a control center host Connecting to the one or more access control terminal devices via a network, the control center host simultaneously receives the video message transmitted from the one or more access control terminal devices according to the card swiping event And an identification signal corresponding to the image signal; wherein, after the access terminal device senses the card swiping event, the display unit of the access terminal device displays the card reader image and corresponds to the card holder storing in the database The photo of the material. The monitoring system of the super wide-angle photographic lens of claim 1, wherein the access control terminal device further comprises a correction unit electrically connected to the image establishing unit for correcting the shooting by the super wide-angle photographic lens. Video signal. A monitoring system with an ultra-wide-angle photographic lens as described in claim 1, wherein the access control terminal device further includes a memory unit for temporarily storing the image signal and the corresponding identification signal. A monitoring system with an ultra wide-angle photographic lens as described in claim 3, wherein the identification signal carries an identification code identifying each access terminal device and an identification code corresponding to the access control device. A monitoring system with an ultra wide-angle photographic lens as described in claim 1, wherein the control center host includes a correction unit for correcting image signals received by the one or more access terminal devices. A monitoring system with an ultra wide-angle photographic lens, comprising: one or more access terminal devices, wherein each access terminal device comprises: a micro processing unit for processing signals between circuit units in the access terminal device; a unit for reading a signal of an access control device; a forbidden signal processing unit electrically connected to the micro processing unit and the signal reading unit for receiving a signal read by the signal reading unit according to a card swiping event And generating a driving signal; An ultra-wide-angle photographic lens is a photographic lens having an ultra-wide-angle field of view, in order to capture a swipe person image in real time according to the swiping event; a driving unit electrically connecting the super wide-angle photographic lens to receive the access signal processing unit according to the The driving signal generated by the signal read by the card event, and then driving the super wide-angle photographic lens to perform a shooting process according to the driving signal; an image establishing unit electrically connecting the driving unit and the micro processing unit for 撷And acquiring an image signal captured by the super wide-angle photographic lens; and a communication unit electrically connected to the micro processing unit, wherein the access control terminal device communicates externally by the communication unit; and one or more access control hosts, each access control host Electrically connecting the one or more access control terminal devices to receive signals transmitted by the one or more access control terminal devices and monitoring operation of the access control terminal devices; and a control center host connected to the network through a network One or more access control hosts, the control center host receives the same from the access control hosts according to the card swiping event The image signal corresponding to the image signal corresponding to the image signal; wherein, after the access terminal device senses a card swiping event, a display unit of the access terminal device displays a card swipe image and corresponds to the card holder storing the data A photo of the library. The monitoring system of the ultra-wide-angle photographic lens according to the sixth aspect of the invention, wherein the access control terminal device further comprises a correction unit electrically connected to the image establishing unit for correcting the shooting by the super wide-angle photographic lens. Video signal. A monitoring system with an ultra wide-angle photographic lens as described in claim 7, wherein the access terminal device further includes a display unit for previewing an image corrected by the correction unit. The monitoring system with an ultra-wide-angle photographic lens as described in claim 6, wherein the access control terminal device further includes a memory unit for temporarily storing the image signal and the corresponding identification signal. A monitoring system with an ultra wide-angle photographic lens as described in claim 9 wherein the identification signal carries an identification code identifying each access terminal device and an identification code corresponding to the access control device. The monitoring system of claim 9, wherein the control center host includes a correction unit for correcting image signals received by the one or more access control hosts. A monitoring signal transmission method with an ultra wide-angle photographic lens is applied to a monitoring system comprising one or more access control terminal devices and a control center host, and the monitoring signal transmission method comprises: according to a card swipe event, the monitoring system comprises An access control terminal device reads a forbidden signal, wherein the access control terminal device includes at least an access control signal processing unit that receives the access control signal and generates a driving signal, an ultra wide-angle photographic lens, and the super wide-angle photographic lens is driven according to the driving signal a driving unit that captures an identification signal captured by the access control signal; the driving signal is generated according to the access control signal read by the carding event, and the camera module having the super wide-angle photographic lens is driven to perform shooting, Instantly capturing a card reader image according to the card swiping event; generating an image signal, the access terminal device temporarily storing the image signal and the identification signal relative to the image signal; Transmitting the image signal and the identification signal of the image signal to a control center host according to the card swiping event; wherein, after the access terminal device generates the image signal, a display unit of the access terminal device displays the image signal and corresponding A photo of the photo stored in a database by the cardholder. The method of transmitting a monitoring signal with an ultra-wide-angle photographic lens according to claim 12, wherein the access terminal device has a correction unit that performs a calibration process, and after the image signal is generated, the correction is performed by the super wide-angle photographic lens. Distorted image. The method for transmitting a monitoring signal with an ultra-wide-angle photographic lens according to claim 12, wherein the control center host has a correction unit that performs a calibration procedure, after receiving the image signal and the identification signal relative to the image signal, Correcting the image with distortion through the super wide-angle photographic lens. The method for transmitting a monitoring signal with an ultra wide-angle photographic lens as described in claim 12, wherein the image signal is converted into a signal transmitted to a network by a conversion process.