Compression-watermarking scheme for MPEG-4 fine granularity scalability video recompression and authentication

Chuen-Ching Wang; Po-Yuen Cheng

doi:10.1117/1.2896600

1 March 2008 Compression-watermarking scheme for MPEG-4 fine granularity scalability video recompression and authentication

Chuen-Ching Wang, Po-Yuen Cheng

Author Affiliations +

Optical Engineering, Vol. 47, Issue 3, 037010 (March 2008). https://doi.org/10.1117/1.2896600

Abstract

A novel fragile watermarking scheme is proposed. This scheme not only can verify the authenticity and integrity of the video streams with fine granularity scalability, but also can reduce the size of bit streams after embedding fragile watermark information into the base-layer stream and the bit-plane coding symbol in the enhancement-layer stream. For clarifying the effectiveness of the proposed scheme, a series of experimental simulations were conducted. The results show that the scheme can detect tampering modification in the content of video streams and identify the locations at which these modifications have been made. Furthermore, the scheme can further reduce the average length of the compressed bit stream by about 12%.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Chuen-Ching Wang and Po-Yuen Cheng "Compression-watermarking scheme for MPEG-4 fine granularity scalability video recompression and authentication," Optical Engineering 47(3), 037010 (1 March 2008). https://doi.org/10.1117/1.2896600

Published: 1 March 2008

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KEYWORDS

Digital watermarking

Video

Video compression

Multimedia

Optical engineering

Video surveillance

Detection and tracking algorithms

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