An Enhanced Scheme for Lossless Watermarking and Authentication in Halftone Image
碩士 === 輔仁大學 === 資訊工程學系 === 98 === Fragile watermarking is a technique can detect any alteration. Pan , Luo and Lu propose a watermark method which embed a digital signature by modifying block into halftone image. In “A Lossless Watermarking Scheme for Halftone Image Authentication” , it used origina...
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2010
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| Online Access: | http://ndltd.ncl.edu.tw/handle/60962837674252973521 |
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ndltd-TW-098FJU003920362016-04-25T04:28:34Z http://ndltd.ncl.edu.tw/handle/60962837674252973521 An Enhanced Scheme for Lossless Watermarking and Authentication in Halftone Image 基於半色調影像之增強型可還原浮水印技術 HUNG-MING LU 盧宏銘 碩士 輔仁大學 資訊工程學系 98 Fragile watermarking is a technique can detect any alteration. Pan , Luo and Lu propose a watermark method which embed a digital signature by modifying block into halftone image. In “A Lossless Watermarking Scheme for Halftone Image Authentication” , it used original blocks and similar blocks to construct a lookup table. In this pager, we derive similar blocks by exchanging neighboring pixels and compute similar block’s “Score” to select the best similar blocks for generating the lookup table. This method increases the visual quality of embedded image. 連國珍 2010 學位論文 ; thesis 41 zh-TW |
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NDLTD |
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zh-TW |
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Others
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碩士 === 輔仁大學 === 資訊工程學系 === 98 === Fragile watermarking is a technique can detect any alteration. Pan , Luo and Lu propose a watermark method which embed a digital signature by modifying block into halftone image. In “A Lossless Watermarking Scheme for Halftone Image Authentication” , it used original blocks and similar blocks to construct a lookup table. In this pager, we derive similar blocks by exchanging neighboring pixels and compute similar block’s “Score” to select the best similar blocks for generating the lookup table. This method increases the visual quality of embedded image.
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| author2 |
連國珍 |
| author_facet |
連國珍 HUNG-MING LU 盧宏銘 |
| author |
HUNG-MING LU 盧宏銘 |
| spellingShingle |
HUNG-MING LU 盧宏銘 An Enhanced Scheme for Lossless Watermarking and Authentication in Halftone Image |
| author_sort |
HUNG-MING LU |
| title |
An Enhanced Scheme for Lossless Watermarking and Authentication in Halftone Image |
| title_short |
An Enhanced Scheme for Lossless Watermarking and Authentication in Halftone Image |
| title_full |
An Enhanced Scheme for Lossless Watermarking and Authentication in Halftone Image |
| title_fullStr |
An Enhanced Scheme for Lossless Watermarking and Authentication in Halftone Image |
| title_full_unstemmed |
An Enhanced Scheme for Lossless Watermarking and Authentication in Halftone Image |
| title_sort |
enhanced scheme for lossless watermarking and authentication in halftone image |
| publishDate |
2010 |
| url |
http://ndltd.ncl.edu.tw/handle/60962837674252973521 |
| work_keys_str_mv |
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