A Novel Method for Digital Image Watermark Protection Based on Self-Recovery Image and Sparse Approximation
博士 === 國立臺北科技大學 === 資訊工程系研究所 === 105 === This paper provides a novel method for data protection to resolve the issue of mass-tampered regions of watermarks. Our approach involves sparse approximation and follows the frequency domain technique, where a trained codebook exists as a dictionary and a re...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2017
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| Online Access: | http://ndltd.ncl.edu.tw/handle/gwvj63 |