Global and Local Image Enhancement based on Compression Domain
碩士 === 義守大學 === 資訊工程學系碩士班 === 97 === This thesis aims to enhance images under frequency domain. We propose a new method, which directly compute the discrete cosine transform (DCT) of the image to be enhanced, to increase the contrast of images. We first define a good visual region under the compress...
Main Authors: | , |
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Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2008
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Online Access: | http://ndltd.ncl.edu.tw/handle/07132649449224309384 |