IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
A contrast enhancement method for compressed images
Kebin AnQiang NiJun Sun
Author information
JOURNALS FREE ACCESS

2004 Volume 1 Issue 18 Pages 582-587

Details
Abstract

An image contrast enhancement algorithms for BDCT (Block Discrete Cosine Transform) based compressed images is presented. Contrast enhancement is achieved by modifying the quantized DCT coefficients based on a contrast measure defined within the DCT domain. The performance is compared with other methods and better visual quality is obtained.

Information related to the author
© 2004 by The Institute of Electronics, Information and Communication Engineers
Previous article
feedback
Top