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...

Full description

Bibliographic Details
Main Authors: Fu-Yan Chen, 陳甫諺
Other Authors: Chung-Ming Kuo
Format: Others
Language:zh-TW
Published: 2008
Online Access:http://ndltd.ncl.edu.tw/handle/07132649449224309384