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- W2348967029 abstract "To protect copyrights of multi-media data effectively,proposed a novel image watermarking algorithm was based on TD-ERCS map and 2-dimensions discrete wavelet transform. Encrypted the watermark by a chaos sequence,which was generated by TD-ERCS chaotic system,and embeded the encrypted watermark into four sub-bands of the most deep level of blue branch of host image by three-level wavelet transform,and determined the embedded positions by general cat chaotic map. The experiment results show that the algorithm has good invisibility,robustness and security to the watermark." @default.
- W2348967029 created "2016-06-24" @default.
- W2348967029 creator A5067848161 @default.
- W2348967029 date "2009-01-01" @default.
- W2348967029 modified "2023-09-25" @default.
- W2348967029 title "Watermark algorithm for color image based on chaos map and wavelet transform" @default.
- W2348967029 hasPublicationYear "2009" @default.
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