Tracing device based on FPGA video processing

A video processing and video technology, applied in the direction of digital video signal modification, selective content distribution, electrical components, etc., can solve the problem of inability to efficiently locate the source of leaks, etc., to achieve perfect information security management, wide application range, and large information capacity Effect

Pending Publication Date: 2022-03-11
上海微桥电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After a screen capture or screen recording leak occurs, the existing technology cannot accurately, timely and efficiently locate the source of the leak

Method used

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  • Tracing device based on FPGA video processing
  • Tracing device based on FPGA video processing
  • Tracing device based on FPGA video processing

Examples

Experimental program
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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] figure 1 It is a schematic diagram of the traceability device based on FPGA video processing in the embodiment of the present invention.

[0024] See figure 1 , the traceability device based on FPGA video processing in the embodiment of the present invention includes a management platform, a traceability transfer box and an optical printing traceability platform, and the management platform manages the traceability transfer box and the optical printing traceability platform; the input end of the traceability transfer box is connected to a video input source , the output end is connected to the input end of the display device; the management platform assigns a unique matching traceability identification to the traceability transfer box, and sends the background information assigned by the traceability identification to the optical printing tracea...

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Abstract

The invention discloses a traceability device based on FPGA video processing. The traceability device comprises a traceability switching box, a light printing traceability platform and a management platform. The input end of the traceability switching box is connected with a video input source, and the output end is connected with the input end of the display device. And the management platform distributes a unique traceability identifier to the traceability switching box and sends background information distributed by the traceability identifier to the optical printing traceability platform. The traceability switching box generates a traceability feature code according to the traceability identifier, when the traceability switching box inputs source electronic data, the traceability switching box generates a light printing image containing traceability feature code information and time information, and the light printing image is superposed into the source electronic data to form traceability electronic data to be output to the display device; and the light printing traceability platform extracts a light printing image from the leakage video or image to be traced and identifies traceability feature code information. According to the method, the light printing image is overlapped on the source electronic data, the light printing image of the secret divulging video or image is identified, information hidden in the light printing is obtained, and the secret divulging source is confirmed.

Description

technical field [0001] The invention relates to a screen traceability device, in particular to a screen traceability device based on FPGA video processing. Background technique [0002] The screen is a key device for information output. When electronic data containing confidential information is played through the screen, once a video or image is formed through operations such as screen recording, the confidential information will be out of control and will not be within the scope of data link security software supervision. After a screen capture or screen recording leak occurs, the existing technology cannot accurately, timely and efficiently locate the source of the leak. [0003] Optical printing itself is also a kind of digital watermarking. The core of digital watermarking is information hiding. Information hiding refers to hiding certain information in the carrier medium. The carrying medium of information hiding can be audio, video, pictures, Chinese fonts, Western f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/102H04N19/467H04N21/234H04N21/44H04N21/8358
CPCH04N19/102H04N19/467H04N21/23418H04N21/23424H04N21/44008H04N21/44016H04N21/8358
Inventor 张培忠
Owner 上海微桥电子科技有限公司
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