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- W2060742241 abstract "This paper presents a new fast video watermarking scheme in spatial domain for embedded device identity verification.A binary watermark signal, which is produced by the identity of the embedded device such as the disc video player, ispermutated using sequence numbers generated by a secret key. And then it is encoded by Gray code. Each bit of thebinary encoded watermark is embedded four times in different positions, by modifying the intensities of a nonoverlappingblock of 8*8 of the blue component of the frames in host video. In watermarking extract scheme, the frameof the watermarked video and the original video are decoded to images. And the intensities of a block of 8*8 of allcomponents of the frame images in the watermarked and the original video are compared to calculate the probability ofdetecting '0' or '1' for extracting binary watermark. Both the embedding and the extraction of watermarks are done in thespatial domain, so the computational cost is low. Then the digital watermark with the identity information is embeddedin real time to the video image when the embedded devices play their videos. Experimental results show that thealgorithm has obvious low complexity, and the strong robustness against distortion, deleting, and cropping operations." @default.
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- W2060742241 date "2009-08-24" @default.
- W2060742241 modified "2023-09-23" @default.
- W2060742241 title "A fast video watermarking scheme for embedded device identity verification" @default.
- W2060742241 doi "https://doi.org/10.1117/12.843573" @default.
- W2060742241 hasPublicationYear "2009" @default.
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