CN111107341A - Video monitoring tester - Google Patents
Video monitoring tester Download PDFInfo
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- CN111107341A CN111107341A CN201911404254.9A CN201911404254A CN111107341A CN 111107341 A CN111107341 A CN 111107341A CN 201911404254 A CN201911404254 A CN 201911404254A CN 111107341 A CN111107341 A CN 111107341A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Abstract
The invention discloses a video monitoring tester, which comprises a main control module, a cable length testing module, a cable communication testing module, a video receiving and caching module, a video signal strength testing module, a video processing module, a data communication module and a user management module, wherein the cable length testing module, the cable communication testing module, the video receiving and caching module, the video signal strength testing module, the video processing module, the data communication module and the user management module are in signal connection with the main control module; the food video monitoring tester utilizes the video signal processing module to process the received video signals to obtain videos with different pixels and resolutions after processing, and utilizes the video testing module to test the videos for multiple times to obtain various testing data so as to facilitate workers to debug the video monitoring equipment.
Description
Technical Field
The invention belongs to the field of video monitoring and testing, and particularly relates to a video monitoring tester.
Background
The video monitoring system is a component of a safety precaution system and is a comprehensive system with stronger precaution capacity. The video monitoring is widely applied to many occasions with intuition, convenience and rich information content. In recent years, computer, network, and image processing and transmission technologies have been rapidly developed. Video surveillance technology has also been developed. Video surveillance has gone from the rare scene back to the foreground. People have come into life.
The video monitoring tester is a portable, handheld and handheld system which can be moved for facilitating the installation and debugging of video monitoring test and is used for video monitoring test, and is called a video monitoring tester for short, also called a monitoring tester. With the development of the technology of the technical machine, the structure, the model and the detection mode of the video monitoring tester are also diversified. However, the video monitoring tester in the prior art can only directly detect the video connected with the video monitoring tester, and cannot process the video and detect the processed video, so that the obtained monitoring video detection data is single, and the quality of the monitoring video cannot be well and comprehensively reflected.
Disclosure of Invention
The invention aims to provide a video monitoring tester, which can be used for carrying out various processing on videos and testing the processed videos to obtain more comprehensive video test data so as to facilitate staff to debug video monitoring equipment.
The invention provides a video monitoring tester, which comprises a main control module, a cable length testing module, a cable communication testing module, a video receiving and caching module, a video signal strength testing module, a video processing module, a data communication module and a user management module, wherein the cable length testing module, the cable communication testing module, the video receiving and caching module, the video signal strength testing module, the video processing module, the data communication module and the user management module are in signal connection with the main control module, and the video processing module comprises a video de-interlacing and.
Preferably, the video de-interlacing and scanning module operation comprises: acquiring continuous three-field images, wherein the continuous three-field images comprise a current field image, a previous field image and a next field image;
obtaining the inter-field difference of the position of each to-be-interpolated point of the current field image according to the brightness component of the previous field image and the brightness component of the next field image;
performing neighborhood summation on the inter-field difference of each to-be-interpolated point position of the current field image to obtain the accumulated inter-field difference of each to-be-interpolated point of the current field image;
obtaining an absolute value of the inter-field difference of each to-be-interpolated point of the current field image to obtain the inter-field absolute difference of each to-be-interpolated point of the current field image;
comparing the accumulated inter-field difference and the inter-field absolute difference of each to-be-interpolated point position of the current field image with thresholds in a preset first threshold set and a preset second threshold set respectively, determining the motion weight of each to-be-interpolated point position of the current field image, obtaining a de-interlaced video, and scanning and storing the video in the whole process.
Preferably, the video pixel processing module performs resolution processing on the video processed by the video de-interlacing and scanning module, and the video pixel processing module comprises an image decompression processing module, an image segmentation module, an interpolation amplification module and an image integration module;
the image decompression processing module decompresses the video signal with low resolution, and performs video and audio separation to respectively obtain a voice signal and a video image signal;
the image segmentation module is used for preprocessing the video image signals and then cutting the video image signals in an equal proportion to obtain a plurality of video image signals;
the interpolation amplification module performs interpolation amplification on the plurality of video image signals to obtain a plurality of high-resolution video image signals;
the image integration module integrates a plurality of high-resolution video image signals and synthesizes the video image signals with the voice signals to form video signals with different resolutions.
Preferably, the video test module firstly tests the video received by the video receiving and caching module for the first time, after the test, the report is printed out by the data through the data communication module and the user management module, after the video is processed by the video processing module, the video test module carries out the secondary test on the processed video again, and finally, the report is printed out by the data communication module and the user management module after the secondary test.
The video monitoring tester of the technical scheme of the invention has the beneficial effects that: the video signal processing module is used for processing the received video signals to obtain processed videos with different pixels and resolutions, and the video testing module is used for testing the videos for multiple times to obtain multiple testing data so that workers can debug the video monitoring equipment conveniently.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will now be further described with reference to the embodiments.
The invention provides a video monitoring tester, which comprises a main control module, a cable length testing module, a cable communication testing module, a video receiving and caching module, a video signal strength testing module, a video processing module, a data communication module and a user management module, wherein the cable length testing module, the cable communication testing module, the video receiving and caching module, the video signal strength testing module, the video processing module, the data communication module and the user management module are in signal connection with the main control module, and the video processing module comprises a video de-interlacing and.
The cable length testing module and the cable communication testing module are used for testing cables and the like on each video monitoring device, testing the cable signal transmission performance of the cables on one hand, and testing the physical performance of the cables on the other hand to ensure that the cables on each video monitoring device are reliably connected, so that the video monitoring device testing system is good in service performance and long in service life, and avoids frequent faults of each video monitoring device in use.
The video receiving and caching module receives, decompresses, decodes, transcodes and temporarily stores the video signals transmitted by each video monitoring device so that each testing module and each processing module can test and call the video signals conveniently.
The video signal strength testing module tests the transmission speed and stability of the video signal and simultaneously tests the signal strength of the transmitted video signal.
In the technical scheme of the invention, the operation of the video de-interlacing and scanning module comprises the following steps:
and S1, acquiring continuous three-field images, wherein the continuous three-field images comprise a current field image, a previous field image and a next field image.
And S2, obtaining the inter-field difference of the position of each point to be interpolated of the current field image according to the brightness component of the previous field image and the brightness component of the next field image.
S3, neighborhood summation is carried out on the inter-field difference of each to-be-interpolated point position of the current field image, and the accumulated inter-field difference of each to-be-interpolated point of the current field image is obtained.
S4, calculating the absolute value of the inter-field difference of each point to be interpolated of the current field image to obtain the inter-field absolute difference of each point to be interpolated of the current field image.
S5, comparing the accumulated inter-field difference and the inter-field absolute difference of each to-be-interpolated point position of the current field image with the threshold values in the preset first threshold value set and the preset second threshold value set respectively, determining the motion weight of each to-be-interpolated point position of the current field image, obtaining the de-interlaced video, and scanning and storing the video in the whole process.
In the technical scheme of the invention, a video pixel processing module carries out resolution processing on a video processed by a de-video de-interlacing and scanning module, and the video pixel processing module comprises an image decompression processing module, an image segmentation module, an interpolation amplification module and an image integration module.
The image decompression processing module decompresses the video signal with low resolution, and performs video and audio separation to respectively obtain a voice signal and a video image signal;
the image segmentation module is used for preprocessing the video image signals and then cutting the video image signals in an equal proportion to obtain a plurality of video image signals.
The interpolation amplification module performs interpolation amplification on the plurality of video image signals to obtain a plurality of high-resolution video image signals.
The image integration module integrates a plurality of high-resolution video image signals and synthesizes the video image signals with voice signals to form video signals with different resolutions.
In the technical scheme of the invention, a video test module firstly tests the video received by a video receiving and caching module for the first time, after the test, the data is printed out to be a report through a data communication module and a user management module, after the video is processed by a video processing module, the video test module carries out secondary test on the processed video again, and finally, the data communication module and the user management module which carry out secondary test are printed out to be a report.
Technical solution of the present invention is described in the above embodiments for exemplary purposes, and it is obvious that the specific implementation of the present invention is not limited by the above-described manner, and it is within the scope of the present invention to adopt various insubstantial modifications of the method concept and technical solution of the present invention, or to directly apply the concept and technical solution of the present invention to other occasions without any modification.
Claims (4)
1. The video monitoring tester is characterized by comprising a main control module, a cable length testing module, a cable communication testing module, a video receiving and caching module, a video signal strength testing module, a video processing module, a data communication module and a user management module, wherein the cable length testing module, the cable communication testing module, the video receiving and caching module, the video signal strength testing module, the video processing module, the data communication module and the user management module are in signal connection with the main control module, and the video processing module comprises a video de-interlacing and scanning module.
2. The video surveillance tester of claim 1, wherein the video de-interlacing and scanning module operation comprises: acquiring continuous three-field images, wherein the continuous three-field images comprise a current field image, a previous field image and a next field image;
obtaining the inter-field difference of the position of each to-be-interpolated point of the current field image according to the brightness component of the previous field image and the brightness component of the next field image;
performing neighborhood summation on the inter-field difference of each to-be-interpolated point position of the current field image to obtain the accumulated inter-field difference of each to-be-interpolated point of the current field image;
obtaining an absolute value of the inter-field difference of each to-be-interpolated point of the current field image to obtain the inter-field absolute difference of each to-be-interpolated point of the current field image;
comparing the accumulated inter-field difference and the inter-field absolute difference of each to-be-interpolated point position of the current field image with thresholds in a preset first threshold set and a preset second threshold set respectively, determining the motion weight of each to-be-interpolated point position of the current field image, obtaining a de-interlaced video, and scanning and storing the video in the whole process.
3. The video monitoring tester according to claim 1, wherein the video pixel processing module performs resolution processing on the video processed by the de-video de-interlacing and scanning module, and the video pixel processing module comprises an image decompression processing module, an image segmentation module, an interpolation amplification module and an image integration module;
the image decompression processing module decompresses the video signal with low resolution, and performs video and audio separation to respectively obtain a voice signal and a video image signal;
the image segmentation module is used for preprocessing the video image signals and then cutting the video image signals in an equal proportion to obtain a plurality of video image signals;
the interpolation amplification module performs interpolation amplification on the plurality of video image signals to obtain a plurality of high-resolution video image signals;
the image integration module integrates a plurality of high-resolution video image signals and synthesizes the video image signals with the voice signals to form video signals with different resolutions.
4. The video monitoring tester of claim 1, wherein the video testing module first tests the video received by the video receiving and caching module, prints a report on the data through the data communication module and the user management module after the test, and after the video is processed by the video processing module, the video testing module performs a secondary test on the processed video again, and finally prints a report on the data communication module and the user management module after the secondary test.
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| CN201911404254.9A CN111107341A (en) | 2019-12-30 | 2019-12-30 | Video monitoring tester |
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| CN201911404254.9A CN111107341A (en) | 2019-12-30 | 2019-12-30 | Video monitoring tester |
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Citations (6)
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|---|---|---|---|---|
| CN202856915U (en) * | 2012-08-31 | 2013-04-03 | 梁涛 | Video monitor comprehensive tester |
| CN203148462U (en) * | 2013-01-16 | 2013-08-21 | 林烨 | Multifunctional video monitoring cable tester |
| CN205987199U (en) * | 2016-08-24 | 2017-02-22 | 伊派克科技(大连)有限公司 | Novel digital video test device |
| CN107018350A (en) * | 2017-04-21 | 2017-08-04 | 西安诺瓦电子科技有限公司 | Video deinterlacing processing method and processing device |
| CN107155131A (en) * | 2016-03-02 | 2017-09-12 | 王进洪 | A kind of video image resolution processes system and method |
| US20180359464A1 (en) * | 2017-06-13 | 2018-12-13 | Kevin K. Choi | Audio-Visual Signal Generator and Receiver for Signal Testing |
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- 2019-12-30 CN CN201911404254.9A patent/CN111107341A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202856915U (en) * | 2012-08-31 | 2013-04-03 | 梁涛 | Video monitor comprehensive tester |
| CN203148462U (en) * | 2013-01-16 | 2013-08-21 | 林烨 | Multifunctional video monitoring cable tester |
| CN107155131A (en) * | 2016-03-02 | 2017-09-12 | 王进洪 | A kind of video image resolution processes system and method |
| CN205987199U (en) * | 2016-08-24 | 2017-02-22 | 伊派克科技(大连)有限公司 | Novel digital video test device |
| CN107018350A (en) * | 2017-04-21 | 2017-08-04 | 西安诺瓦电子科技有限公司 | Video deinterlacing processing method and processing device |
| US20180359464A1 (en) * | 2017-06-13 | 2018-12-13 | Kevin K. Choi | Audio-Visual Signal Generator and Receiver for Signal Testing |
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Application publication date: 20200505 |