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CONTRAST-ACCUMULATED HISTOGRAM EQUALIZATION FOR IMAGE ENHANCEMENT

Abstract: 

Among image enhancement methods, histogram equalization (HE) has received the most attention because of its intuitive implementation quality, high efficiency, and the monotonicity of its intensity mapping function. However, HE is indiscriminate and overemphasizes the contrast around intensities with large pixel populations but little visual importance. To address this issue, we propose an HE-based method that adaptively controls the contrast gain according to the potential visual importance of intensities and pixels. Observing that in natural scenes image details are usually hidden in darker regions that have noticeable local differences, we formulate the potential visual importance on the basis of the multi-resolution, dark-pass filtered gradients in the image. Experiments show that our method is highly discriminating in terms of noises and trivial image gradients, and it guarantees great global contrast preservation.

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Paper Details

Authors:
Xiaomeng Wu, Xinhao Liu, Kaoru Hiramatsu, Kunio Kashino
Submitted On:
12 September 2017 - 3:58am
Short Link:
Type:
Poster
Event:
Presenter's Name:
Xiaomeng Wu
Paper Code:
1570
Document Year:
2017
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(45 downloads)

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[1] Xiaomeng Wu, Xinhao Liu, Kaoru Hiramatsu, Kunio Kashino, "CONTRAST-ACCUMULATED HISTOGRAM EQUALIZATION FOR IMAGE ENHANCEMENT", IEEE SigPort, 2017. [Online]. Available: http://sigport.org/1837. Accessed: Nov. 21, 2017.
@article{1837-17,
url = {http://sigport.org/1837},
author = {Xiaomeng Wu; Xinhao Liu; Kaoru Hiramatsu; Kunio Kashino },
publisher = {IEEE SigPort},
title = {CONTRAST-ACCUMULATED HISTOGRAM EQUALIZATION FOR IMAGE ENHANCEMENT},
year = {2017} }
TY - EJOUR
T1 - CONTRAST-ACCUMULATED HISTOGRAM EQUALIZATION FOR IMAGE ENHANCEMENT
AU - Xiaomeng Wu; Xinhao Liu; Kaoru Hiramatsu; Kunio Kashino
PY - 2017
PB - IEEE SigPort
UR - http://sigport.org/1837
ER -
Xiaomeng Wu, Xinhao Liu, Kaoru Hiramatsu, Kunio Kashino. (2017). CONTRAST-ACCUMULATED HISTOGRAM EQUALIZATION FOR IMAGE ENHANCEMENT. IEEE SigPort. http://sigport.org/1837
Xiaomeng Wu, Xinhao Liu, Kaoru Hiramatsu, Kunio Kashino, 2017. CONTRAST-ACCUMULATED HISTOGRAM EQUALIZATION FOR IMAGE ENHANCEMENT. Available at: http://sigport.org/1837.
Xiaomeng Wu, Xinhao Liu, Kaoru Hiramatsu, Kunio Kashino. (2017). "CONTRAST-ACCUMULATED HISTOGRAM EQUALIZATION FOR IMAGE ENHANCEMENT." Web.
1. Xiaomeng Wu, Xinhao Liu, Kaoru Hiramatsu, Kunio Kashino. CONTRAST-ACCUMULATED HISTOGRAM EQUALIZATION FOR IMAGE ENHANCEMENT [Internet]. IEEE SigPort; 2017. Available from : http://sigport.org/1837