CN218162638U - Large-resolution monitoring camera - Google Patents
Large-resolution monitoring camera Download PDFInfo
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- CN218162638U CN218162638U CN202222038993.4U CN202222038993U CN218162638U CN 218162638 U CN218162638 U CN 218162638U CN 202222038993 U CN202222038993 U CN 202222038993U CN 218162638 U CN218162638 U CN 218162638U
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Abstract
The utility model discloses a large-resolution monitoring camera, which comprises an acquisition output module and a special video image analysis processing module, wherein the acquisition output module is provided with a first input end, a second input end and a first output circuit; the first input end is connected with image acquisition equipment and used for receiving acquired video images, and the first output circuit is connected with the third input end and used for transmitting the video images to the special video image analysis processing module; third output circuit connects the second input for with image analysis processing result feedback transmission to gather output module, the utility model discloses the realization is controlled the output to the video image who accords with the control purpose.
Description
Technical Field
The utility model relates to a video monitoring technical field, concretely relates to large resolution ratio surveillance camera machine.
Background
Surveillance cameras place higher demands on resolution in order to view more details. Most of the current monitoring cameras are 200w-400w pixels, and with higher and higher requirements, the resolution of the monitoring cameras is improved to tens of millions or even tens of millions of pixels. For cameras with tens of millions of pixel resolutions, picture transfer is possible, but for video, video compression and video transfer are both challenging. If the resolution is reserved, the compression processing speed cannot keep up, and the transmission speed also needs to be equipped with a high-bandwidth transmission medium, which consumes cost.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a high resolution ratio surveillance camera machine compromises surveillance video image data's transmission rate and resolution ratio, and this high resolution ratio surveillance camera machine includes: a collection output module and a special video image analysis processing module,
the acquisition output module is provided with a first input end, a second input end and a first output circuit, and the special video image analysis processing module comprises a third input end and a third output circuit;
the first input end is connected with image acquisition equipment and used for receiving acquired video images, and the first output circuit is connected with the third input end and used for transmitting the video images to the special video image analysis processing module;
the third output circuit is connected with the second input end and used for feeding back and transmitting the image analysis processing result to the acquisition output module, so that the acquisition output module outputs the output data of the first output circuit according to the data input by the second input end and the data input by the first input end.
Optionally, the image capturing device includes a CMOS sensor circuit, the capture output module includes an FPGA chip circuit, and the dedicated video image analyzing and processing module includes a Hi3559 chip circuit.
Optionally, the first output circuit includes a first path of video image output circuit and a second path of video image output circuit, where the first path of video image output circuit is configured to transmit video image data with a first resolution, the second path of video image output circuit is configured to transmit video image data with a second resolution, and the video image data with the second resolution is greater than the video image data with the first resolution.
Optionally, the input end and the output end of the first output circuit both adopt MIPI interfaces.
Optionally, the capture output module further has a second output circuit for transmitting the video image to an external display device.
Optionally, the second output circuit includes a third video image output circuit and a fourth video image output circuit, the third video image output circuit is configured to transmit video image data with a first resolution, the fourth video image output circuit is configured to transmit video image data with a second resolution, and the video image data with the second resolution is greater than the video image data with the first resolution.
Optionally, the input end and the output end of the second output circuit both adopt SDI interfaces.
Optionally, the acquisition output module is further connected with an LED lamp for starting to blink when the second input end receives feedback transmission data, and the acquisition output module further has a fourth output circuit connected with the sound-light alarm system.
The utility model discloses a big resolution ratio surveillance camera machine possesses following beneficial effect:
1. the video image is collected based on the image collecting equipment and transmitted to the collecting and outputting module, the collecting and outputting module outputs the output data of the first output circuit according to the data input by the second input end and the data input by the first input end, the video image which meets the monitoring purpose is controlled and output, the output of invalid video image data is avoided, the requirement on the data transmission speed is reduced, meanwhile, due to the fact that the data transmission quantity is reduced, the compression multiple of the video image can be reduced, and the high resolution of the video data collected by the high-resolution monitoring camera based on the CMOS sensor is reserved to the maximum extent.
2. The utility model discloses a first output circuit includes video image output circuit and the second way video image output circuit of the first way, the video image of the video image output of the first way output circuit is based on the video image of CMOS sensor collection and compresses the video image after reducing the resolution ratio, the video image of the output of the second way video image output circuit is the regional image of target that remains original high resolution ratio among the video image of CMOS sensor collection, and then realize exporting the panoramic video image of low resolution ratio and the regional image of local target of high resolution ratio simultaneously to the video image of collection, realize carrying out overall situation video monitoring and the regional accurate control of local pixel to the scene monitoring video image of collection.
Drawings
Fig. 1 is a structural diagram of a large-resolution monitoring camera according to the present invention.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1, the embodiment of the present application provides a large-resolution monitoring camera, which includes an acquisition output module and a dedicated video image analysis processing module,
the acquisition output module is provided with a first input end, a second input end and a first output circuit, and the special video image analysis processing module comprises a third input end and a third output circuit;
the first input end is connected with image acquisition equipment and used for receiving acquired video images, and the first output circuit is connected with the third input end and used for transmitting the video images to the special video image analysis processing module;
the third output circuit is connected with the second input end and used for feeding back and transmitting the image analysis processing result to the acquisition output module, so that the acquisition output module outputs the output data of the first output circuit according to the data input by the second input end and the data input by the first input end.
In the embodiment of the application, the video image is collected based on the image collecting device and is transmitted to the collecting and outputting module, meanwhile, the acquisition output module receives feedback transmission data of the special video image analysis processing module, so that the acquisition output module outputs video image data output by the first output circuit according to data input by the second input end and data input by the first input end simultaneously, the video image conforming to the monitoring purpose is controlled and output, the output of invalid video image data is avoided, the requirement on the data transmission speed is reduced, meanwhile, the data transmission quantity is reduced, the compression multiple of the video image can be reduced, the high resolution of the video data acquired by the large-resolution monitoring camera based on the CMOS sensor is reserved to the maximum extent, and further, the special video image analysis processing module is used for performing a corresponding image analysis processing process according to a monitoring purpose in an actual application scene, and a result output by the special video image analysis processing module is data transmitted by a third output circuit, the special video image analysis processing module in the embodiment of the application comprises a Hi3559 chip circuit, the Hi3559 chip has multiple functions of supporting strong light suppression, denoising, image enhancement, providing visual computing processing capability, supporting region of interest (ROI) encoding and the like, in the implementation manner of the application, the Hi3559 chip circuit can be loaded with target detection algorithms (such as a frame difference method, fast R-CNN, YOLOv3 and the like) in the prior art, the data transmitted by the third output circuit further represents the parameters of the target area image in the video image collected by the first input end, namely the coordinate in the width direction and the coordinate parameter in the height direction of the target area, and then the acquisition output module controls the first output circuit to output the target area image according to the feedback transmitted data.
Furthermore, the image acquisition equipment comprises a CMOS sensor circuit, the acquisition output module comprises an FPGA chip circuit, and the special video image analysis processing module comprises a Hi3559 chip circuit. Then, the FPGA chip of the acquisition output module can cut the image input by the first input end based on the data input by the second input end to obtain the output data of the second path of video image output circuit in the first output circuit.
Further, in this embodiment of the application, the dedicated video image analyzing and processing module further has a fifth output circuit, which is configured to output the video image processed by the dedicated video image analyzing and processing module through the internet access, and the network transmission protocol may be an RTSP protocol or a custom protocol.
Specifically, in the embodiment of the present application, the dedicated video image analysis processing module is configured to analyze the acquired video image to obtain feedback transmission data, process the acquired video image, including compression coding, denoising, contrast enhancement, and the like, and then output the processed video image.
Further, the first output circuit includes a first path of video image output circuit and a second path of video image output circuit, where the first path of video image output circuit is configured to transmit video image data with a first resolution, the second path of video image output circuit is configured to transmit video image data with a second resolution, and the video image data with the second resolution is greater than the video image data with the first resolution.
In the embodiment of the application, after receiving video image data acquired by a CMOS sensor circuit, an FPGA chip circuit divides the video image data into two resolution sizes to be respectively output, and simultaneously transmits two video images with different resolution sizes to a Hi3559 chip circuit through a first video image output circuit and a second video image output circuit of the first output circuit, the Hi3559 chip circuit performs compression coding, fusion and other processing on the two video images and then transmits the two video images to other equipment through a network, meanwhile, the Hi3559 chip circuit performs analysis based on a video image output by the first video image output circuit, and feeds back an analyzed result to an acquisition output module through a third output circuit, so that the acquisition output module controls the video image output of the second video image output circuit of the first output circuit according to the data transmitted by the feedback, when the data transmitted by the third output circuit is a parameter representing a target area image in the video image acquired by the first input terminal, the video image output by the first video image output circuit can be a video image acquired by the CMOS sensor after the video image is compressed, the resolution is reduced, and the second video image is a panoramic video image acquired by the high-resolution area, and the high-resolution-video-image monitoring of the original panoramic video image monitoring scene can be realized. In the embodiment of the application, for high-resolution video data acquired by a large-resolution monitoring camera based on a CMOS sensor, one path of the high-resolution video data is subjected to global low-resolution compression processing, so that the problem of low transmission speed of high-resolution monitoring video images is solved, and the other path of the high-resolution video data is subjected to local pixel area reservation processing, so that the detail characteristics of local pixel areas in the original high-resolution monitoring video are reserved.
Furthermore, the input end and the output end of the first output circuit both adopt MIPI interfaces.
In the embodiment of the application, the MIPI is a data input format supported by the Hi3559, the MIPI sending port packs image data according to an MIPI protocol and transmits the image data to the Hi3559, the Hi3559 supports simultaneous access of multiple paths of videos, and two paths of MIPI data are received simultaneously.
Furthermore, the acquisition output module is also provided with a second output circuit for transmitting the video image to an external display device.
Specifically, the second output circuit is connected to a display device, and the large-resolution monitoring camera in the embodiment of the present application has a local video data output interface, and is configured to transmit acquired video image data to the display device through the second output circuit for display.
Further, the second output circuit includes a third video image output circuit and a fourth video image output circuit, the third video image output circuit is configured to transmit video image data with a first resolution, the fourth video image output circuit is configured to transmit video image data with a second resolution, and the video image data with the second resolution is greater than the video image data with the first resolution.
In the embodiment of the application, a large-resolution monitoring camera is provided with 2 local video data output interfaces which are respectively butted with display screen equipment and used for simultaneously transmitting two kinds of resolution video image data to display equipment for displaying, so that the same monitoring scene can be monitored simultaneously by two kinds of resolution.
Further, the input end and the output end of the second output circuit both adopt SDI interfaces.
In the embodiment of the application, by calling the IP core inside the FPGA, image data are filled according to SDI standard systems, two systems of 1080p @25fps and 720p @25fps can be selected for the SDI, and two interfaces of the SDI are reserved on the camera and used for butting display screen equipment.
Furthermore, the acquisition output module is further connected with an LED lamp for starting flashing when the second input end receives feedback transmission data, and the acquisition output module is further provided with a fourth output circuit which is connected with an audible and visual alarm system.
In the embodiment of the application, when the data transmitted by the third output circuit is a parameter representing a target area image in the video image acquired by the first input terminal, the target area may be an area where a preset human face, a vehicle and other objects appear in the video image or an abnormal pixel area in the video image at the current moment compared with the historical moment, and when the second input terminal receives feedback transmission data, the FPGA chip circuit controls the LED lamp to start flashing or the fourth output circuit outputs a trigger signal to control the start of the acousto-optic alarm system so as to prompt that the target area image appears in the acquired video image.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.
Claims (8)
1. A large-resolution monitoring camera is characterized by comprising an acquisition output module and a special video image analysis processing module,
the acquisition output module is provided with a first input end, a second input end and a first output circuit, and the special video image analysis processing module comprises a third input end and a third output circuit;
the first input end is connected with image acquisition equipment and used for receiving acquired video images, and the first output circuit is connected with the third input end and used for transmitting the video images to the special video image analysis processing module;
the third output circuit is connected with the second input end and used for feeding back and transmitting the image analysis processing result to the acquisition output module, so that the acquisition output module outputs the output data of the first output circuit according to the data input by the second input end and the data input by the first input end.
2. The large-resolution monitoring camera according to claim 1, wherein the image capturing device comprises a CMOS sensor circuit, the capturing output module comprises an FPGA chip circuit, and the dedicated video image analyzing and processing module comprises a Hi3559 chip circuit.
3. The large-resolution monitoring camera according to claim 1, wherein the first output circuit includes a first path of video image output circuit and a second path of video image output circuit, the first path of video image output circuit is used for transmitting video image data with a first resolution, the second path of video image output circuit is used for transmitting video image data with a second resolution, and the video image data with the second resolution is greater than the video image data with the first resolution.
4. The monitoring camera of claim 3, wherein the input and output of the first output circuit are both MIPI interfaces.
5. The large-resolution monitoring camera according to claim 1, wherein the capture output module further has a second output circuit for transmitting video images to an external display device.
6. A large resolution monitoring camera according to claim 5, wherein the second output circuit comprises a third video image output circuit and a fourth video image output circuit, the third video image output circuit is used for transmitting the first resolution video image data, the fourth video image output circuit is used for transmitting the second resolution video image data, and the second resolution video image data is larger than the first resolution video image data.
7. The large-resolution monitoring camera according to claim 5, wherein the input and output of the second output circuit both use SDI interfaces.
8. The large-resolution monitoring camera according to claim 1, wherein the collection output module is further connected with an LED lamp for flashing when the second input terminal receives feedback transmission data, and the collection output module further has a fourth output circuit, and the fourth output circuit is connected with an audible and visual alarm system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222038993.4U CN218162638U (en) | 2022-08-02 | 2022-08-02 | Large-resolution monitoring camera |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222038993.4U CN218162638U (en) | 2022-08-02 | 2022-08-02 | Large-resolution monitoring camera |
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| CN218162638U true CN218162638U (en) | 2022-12-27 |
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| CN202222038993.4U Active CN218162638U (en) | 2022-08-02 | 2022-08-02 | Large-resolution monitoring camera |
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