Video copying detection method being suitable for IPTV
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- FUDAN UNIV
- Publication Date
- 2010-10-27
- Estimated Expiration
- Not applicable Β· inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of video images, and in particular relates to a video copy detection method. Background technique
[0002] With the rapid development of the Internet and wireless networks, massive digital video information has begun to enter our lives. Followed by more and more serious data redundancy and digital property rights problems, in recent years, the emergence of content-based copy detection (CBCD, Content-based Copy Detection) technology provides a recognition that can replace digital watermarking technology Methods of video and image copying.
[0003] There are a variety of copy detection techniques that have emerged, and these methods have their own advantages and disadvantages when dealing with different data copy types. In modern digital TV applications such as IPTV (Internet Protocol TV) systems, the problem of video copying has its unique characteristics.
[0004] Although all types of video copying may a...