CN214381139U

CN214381139U - Face detection shooting device

Info

Publication number: CN214381139U
Application number: CN202120339122.9U
Authority: CN
Inventors: 董承礼
Original assignee: Shenzhen Chuangyuan Communication Technology Co ltd
Current assignee: Shenzhen Chuangyuan Communication Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-10-08
Anticipated expiration: 2031-02-05

Abstract

The embodiment of the utility model provides a face detection shoots device, include the support, locate four cameras on the support and with four panorama shooting control circuit that the camera is connected, panorama shooting control circuit includes that the model is HI3519AV 100's main control unit and communication module, the camera is towards four directions respectively, every the camera shoots the image data that corresponds the 90 degrees within ranges of direction, will image data sends for main control unit, by main control unit is right image data splices and forms panoramic image, according to panoramic image carries out face detection, passes through face detection result communication module sends for the terminal that corresponds.

Description

Face detection shooting device

Technical Field

The utility model relates to a video shooting field especially relates to a face detection shoots device.

Background

Under many environments or scenes, video shooting or monitoring is needed, and especially for some public places such as parks, roads, markets and other scenes, image data is generally needed to be collected for real-time monitoring.

However, the known shooting device often sets some local positions as monitoring areas, and sets cameras to collect images at the positions, so that not only the monitoring range cannot cover the panorama, but also the position of the camera is complex to select, and the difficulty in processing and integrating the image data at the later stage is large, which results in that the requirements of scene monitoring cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists now, the utility model provides a can realize panorama shooting and can simplify the face detection shooting device of image data integration.

In order to achieve the above object, the embodiment of the present invention provides a technical solution that:

the utility model provides a face detection shoots device, includes the support, locates four cameras on the support and with four panorama shooting control circuit that the camera is connected, panorama shooting control circuit includes that the model is HI3519AV 100's main control unit and communication module, the camera is respectively towards four directions, every the camera shoots the image data that corresponds the 90 degrees within ranges of direction, will image data send for main control unit, by main control unit is right image data splices and forms the panoramic picture, according to the panoramic picture carries out face detection, passes through the face detection result communication module sends for corresponding terminal.

Each camera comprises an image sensor, and the photosensitive area of each image sensor is 1/2.8 inch.

Wherein the image sensor includes a multi-path digital MIPI interface.

The panoramic shooting control circuit further comprises a voltage monitoring circuit, wherein the voltage monitoring circuit monitors the abnormal state of the working voltage of each camera and feeds the abnormal state back to the main controller.

The voltage monitoring circuit comprises a voltage monitoring chip with the model of NCP308 MTADJTBG.

The panoramic shooting control circuit further comprises an alarm module, wherein the alarm module comprises an indicator light and/or a loudspeaker and is used for indicating the abnormal working state of the camera.

The panoramic shooting control circuit further comprises a storage module connected with the main controller, the main controller can be set in a manual storage mode or an automatic storage mode, and the panoramic image is stored in the storage module according to the manual storage mode or the automatic storage mode.

The memory module comprises a synchronous dynamic random access memory and a memory chip.

The panoramic shooting control circuit further comprises a bidirectional voltage level conversion circuit connected between the main controller and the storage chip, and the bidirectional voltage level conversion circuit realizes the working voltage conversion between the main controller and the storage chip.

The bidirectional voltage level conversion circuit comprises a TXS0102DCU bidirectional voltage level conversion chip.

The face detection shooting device provided by the above embodiment comprises a support, four cameras arranged on the support and a panoramic shooting control circuit connected with the four cameras, wherein the panoramic shooting control circuit comprises a main controller and a communication module with the model of HI3519AV100, the cameras face towards four directions respectively, each camera shoots image data within 90 degrees of the corresponding direction, the image data is sent to the main controller, the main controller splices the image data to form a panoramic image, face detection is carried out according to the panoramic image, a face detection result is sent to a corresponding terminal through the communication module, and thus, the face detection shooting device splices the image data within the corresponding ranges of the four directions shot by the four cameras respectively to form the panoramic image, so that the purpose of carrying out panoramic shooting by taking the position of the panoramic shooting device as the center can be realized, and the face position in the panoramic image is quickly matched according to a face detection algorithm, so that the accuracy and efficiency of face detection in the panoramic range are improved, and the convenience of analyzing and utilizing image data is improved.

Drawings

Fig. 1 is a schematic structural diagram of a face detection shooting device in an embodiment of the present application;

FIG. 2 is a circuit diagram of a host controller according to an embodiment of the present disclosure;

FIG. 3 is a circuit diagram of a voltage monitoring circuit according to an embodiment of the present disclosure;

fig. 4 is a circuit diagram of a bidirectional voltage level shifting circuit according to an embodiment of the present application.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the drawings and specific embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the following description, reference is made to the expression "some embodiments" which describe a subset of all possible embodiments, but it should be understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.

It will also be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "inner," "outer," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 2, a face detection shooting device according to an embodiment of the present application includes a support 40, four cameras 30 disposed on the support 40, and a panoramic shooting control circuit connected to the four cameras 30, where the panoramic shooting control circuit includes a main controller 26 with a model of HI3519AV100 and a communication module, the cameras 30 face four directions, each camera 30 shoots image data within a 90-degree range of a corresponding direction, sends the image data to the main controller 26, the main controller 26 forms panoramic images by splicing the image data, performs face detection according to the panoramic images, and sends a face detection result to a corresponding terminal through the communication module.

In the above embodiment, the image data of the face detection shooting device in the 90 degrees within range of four directions is respectively shot through four cameras 30 and is spliced to form a panoramic image, so that the purpose of performing panoramic shooting by taking the position of the panoramic shooting device as the center can be realized, the face position in the panoramic image is rapidly matched according to a face detection algorithm, the accuracy and the efficiency of face detection in the panoramic range are improved, and the convenience of analyzing and utilizing the image data is improved.

The bracket 40 is annular, and the cameras 30 are arranged at equal intervals along the circumferential direction of the ring and respectively face to one side away from the center of the ring. The communication module can be a wired network interface or a wireless communication module. The terminal is computer equipment such as a smart phone, a monitor, a personal computer and a server which are in communication connection with the panoramic shooting device, the terminal is used for receiving panoramic image data output by the panoramic shooting device after being spliced, and optionally, the terminal can also be computer equipment which is connected with the panoramic shooting device under the same ZigBee network and is provided with an application program for remotely operating the panoramic shooting device. Main control unit 26 embeds there is the face detection algorithm model, like known face identification neural network model, splices through the image data of four directions to four cameras 30 respectively shoot and forms the panoramic picture, will the panoramic picture passes through the recognition result after carrying out face identification communication module sends for the terminal, can improve greatly according to the efficiency of monitoring data discernment face, candid photograph face, is particularly useful for the occasion that needs discernment face, candid photograph face, like bank, public security office, certificate occasion etc..

In some embodiments, each camera 30 includes an image sensor having a photo-sensing area of 1/2.8 inch. Wherein, the image sensor adopts a 200 ten thousand dynamic CMOS (Complementary Metal-Oxide-Semiconductor) image sensor with a photosensitive area of 1/2.8 inch. The image sensor comprises a plurality of paths of digital MIPI (Mobile Industry Processor interface) interfaces, adopts the plurality of paths of digital MIPI interfaces, has lower power consumption, higher data transmission rate and smaller occupation space, and is particularly suitable for a light-weight face detection shooting device.

In some embodiments, the panorama shooting control circuit further includes a voltage monitoring circuit that monitors an abnormal state of the operating voltage of each of the cameras 30 and feeds back the abnormal state to the main controller 26. Optionally, referring to fig. 3, the voltage monitoring circuit includes a voltage monitoring chip with model number NCP308 MTADJTBG. By arranging the voltage monitoring chip, each abnormal state of the working voltage of the camera 30 is monitored, so that when the working of the camera 30 is abnormal, the main controller 26 can be informed to send alarm information of the abnormal state to the terminal, or the main controller 26 controls the state indicator lamp to send light alarm information of a specific color. In this embodiment, the panoramic shooting control circuit further includes an alarm module, and the alarm module includes an indicator light and/or a speaker, and is configured to indicate an abnormal operating state of the camera 30. The alarm information may be one of: the indicating lamp emits light with a specific color, the indicating lamp flickers through a set frequency, or the loudspeaker emits buzzing sound with the set frequency.

In some embodiments, the panorama shooting control circuit further includes a storage module connected to the main controller 26, and the main controller 26 may set a manual storage mode or an automatic storage mode according to which the panorama image is stored in the storage module. The storage module is connected to the main controller 26 and configured to store image signals acquired from the image sensors, where the storage module may include a plurality of memories corresponding to the number of the image sensors one to one, or the storage module may divide a storage area into a plurality of areas corresponding to the number of the image sensors one to one and respectively store image data respectively acquired by the image sensors. In this embodiment, the memory module includes four double data rate synchronous dynamic random access memories (DDRs) connected to the main controller 26. The storage mode comprises a manual storage mode and an automatic storage mode, and can be set by a terminal or preset, the manual storage mode can store image data in a set time period, and the automatic storage mode can store image data in a segmented manner according to a preset time period so as to support monitoring shooting requirements in different scenes. Optionally, the memory module includes a synchronous dynamic random access memory and a memory chip.

In some embodiments, the panorama shooting control circuit further includes a bidirectional voltage level conversion circuit connected between the main controller 26 and the memory chip, the bidirectional voltage level conversion circuit implementing an operating voltage conversion between the main controller 26 and the memory chip. Referring to fig. 4, the bidirectional voltage level conversion circuit includes a bidirectional voltage level conversion chip with a model of TXS0102 DCU. The bidirectional voltage level conversion circuit can realize bidirectional conversion of the levels at two ends of the main controller 26 and the storage chip, and protect low-voltage devices from high-voltage burrs of high-voltage devices.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a face detection shoots device, its characterized in that includes the support, locates four cameras on the support and with four panorama shooting control circuit that the camera is connected, panorama shooting control circuit includes that the model is HI3519AV 100's main control unit and communication module, the camera is respectively towards four directions, every the camera shoots the image data that corresponds the 90 degrees within ranges of direction, will image data send to main control unit, by main control unit is right image data splices and forms the panoramic picture, according to the panoramic picture carries out face detection, passes through the face detection result communication module sends for corresponding terminal.

2. The face detection camera of claim 1, wherein each camera comprises an image sensor having a photosensitive area of 1/2.8 inch.

3. The face detection camera of claim 2, wherein the image sensor comprises a multi-path digital MIPI interface.

4. The face detection camera device as claimed in claim 1, wherein the panorama shooting control circuit further comprises a voltage monitoring circuit that monitors an abnormal state of an operating voltage of each of the cameras and feeds back the abnormal state to the main controller.

5. The face detection camera of claim 4, wherein the voltage monitoring circuit comprises a voltage monitoring chip of model NCP308 MTADJTBG.

6. The face detection camera device as claimed in claim 5, wherein the panoramic shooting control circuit further comprises an alarm module, and the alarm module comprises an indicator light and/or a speaker for indicating an abnormal operating state of the camera.

7. The face detection camera of claim 1, wherein the panoramic camera control circuit further comprises a storage module connected to the main controller, and the main controller can set a manual storage mode or an automatic storage mode, and store the panoramic image in the storage module according to the manual storage mode or the automatic storage mode.

8. The face detection camera of claim 7, wherein the storage module comprises a synchronous dynamic random access memory and a memory chip.

9. The face detection camera of claim 8, wherein the panorama shooting control circuit further comprises a bi-directional voltage level conversion circuit connected between the main controller and the memory chip, the bi-directional voltage level conversion circuit implementing an operating voltage conversion between the main controller and the memory chip.

10. The face detection camera of claim 9, wherein the bi-directional voltage level translation circuit comprises a bi-directional voltage level translation chip model TXS0102 DCU.