Title :
Analysis and Evaluation of Contrast Enhancement Methods in Digital Images
Author :
Shen-Chuan Tai ; Yi-Ying Chang ; Ting-Chou Tsai ; Li-Man Liao
Author_Institution :
Electr. Eng. Dept., Nat. Cheng Kung Univ., Tainan, Taiwan
Abstract :
Digital cameras that gradually replace conventional cameras store photographs in digital format. As a result, captured images can be more easily processed. Consequently the quality of image is more important. In this paper, we present an overview of image quality attributes of different contrast enhancement in gray level images. Moreover, we present results of analysis for some contrast enhancement methods. We also present the evaluation of existing contrast enhancement methods with regard to these attributes.
Keywords :
cameras; image enhancement; contrast enhancement method; digital cameras; digital image evaluation; gray level images; image quality; photographs; Brightness; Colored noise; Computer security; Digital cameras; Digital images; Dynamic range; Histograms; Image analysis; Image coding; Image quality; Brightness; Contrast enhancement; Image quality; Reproduction of details; Tone Mapping;
Conference_Titel :
Information Assurance and Security, 2009. IAS '09. Fifth International Conference on
Conference_Location :
Xi´an
Print_ISBN :
978-0-7695-3744-3
DOI :
10.1109/IAS.2009.342