Paper Info
Title
Contrast enhancement by modified octagon histogram equalization
Abstract
Histogram equalization is the common method used for contrast enhancement. The mean brightness of the image is adjusted to middle of the permitted range and hence is not suitable for consumer electronics products. A novel contrast enhancement method using modified octagon histogram equalization is developed to overcome the drawback of conventional technique for gray scale images. The proposed algorithm is applied for boat image, microstructure of steel and human head. The contrast enhanced out of the images mentioned is obtained, and the efficiency of the algorithm is evaluated. Simulation results shows that the proposed method can enhance the different types of images effectively. Besides, the proposed contrast enhancement method using modified octagon histogram equalization has comparable performance with black and white stretching and adaptive histogram equalization.
Year
DOI
Venue
2015
10.1007/s11760-014-0643-6
Signal, Image and Video Processing
Keywords
Field
DocType
Contrast enhancement, Histogram equalization, Absolute mean brightness error, Brightness preservation, Structural similarity index
Computer vision,Pattern recognition,Histogram matching,Adaptive histogram equalization,Artificial intelligence,Balanced histogram thresholding,Histogram equalization,Color normalization,Human head,Brightness,Mathematics,Grayscale
Journal
Volume
Issue
ISSN
9
1
1863-1711
Citations 
PageRank 
References 
7
0.48
16
Authors
2
Name
Order
Citations
PageRank
K. Santhi170.48
R. S. D. Wahida Banu270.48