Title: Coding and decoding equipment with watermark encrypting
Application Number: 200610155130 Application Date: 2006.12.11
Publication Number: 1976437 Publication Date: 2007.06.06
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H04N7/167;H04N7/26;G06T1/00
Applicant(s) Name: Zhejiang Univ. Address:
Inventor(s) Name: Chen Yaowu;Zheng Yayu;Huang Aiai
Attorney & Agent: hugong juan
Abstract:
    A coding / decoding device with watermark encipherment is prepared as forming coding device by watermark generator for generating watermark information and coder for carrying out coding according to MPEG standard and for embedding said watermark on, forming decoding device by decoder for analyzing MPEG code stream to pick watermark up and for restructuring decoded image and watermark detector used for judging whether code stream is distorted or not.
Time: 10
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