An edge-preserving data hiding method for spatial-domain gray-level images
碩士 === 國立成功大學 === 工程科學系專班 === 97 === For the LSB (Least Significant Bit) substitution method, the distortion of each bit is within |2^k-1| , where k is the k LSB to be substituted. In contract, OCSP (1’s complement substitution method) restricts the error within |3| at the cost of extra record bits....
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2009
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| Online Access: | http://ndltd.ncl.edu.tw/handle/45155215064354242841 |