Image Contrast Enhancement by Global and Local Adjustment of Gray Levels

Title
Image Contrast Enhancement by Global and Local Adjustment of Gray Levels
Author(s)
권순학단나[단나]
Keywords
HISTOGRAM EQUALIZATION
Issue Date
201010
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Citation
IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E93D, no.10, pp.2866 - 2869
Abstract
Various contrast enhancement methods such as histogram equalization (HE) and local contrast enhancement (LCE) have been developed to increase the visibility and details of a degraded image. We propose an image contrast enhancement method based on the global and local adjustment of gray levels by combining HE with LCE methods. For the optimal combination of both, we introduce a discrete entropy. Evaluation of our experimental results shows that the proposed method outperforms both the HE and LCE methods.
URI
http://hdl.handle.net/YU.REPOSITORY/23481http://dx.doi.org/10.1587/transinf.E93.D.2866
ISSN
0916-8532
Appears in Collections:
공과대학 > 전기공학과 > Articles
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