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IEICE TRANSACTIONS on Information

An Efficient O(1) Contrast Enhancement Algorithm Using Parallel Column Histograms

Yan-Tsung PENG, Fan-Chieh CHENG, Shanq-Jang RUAN

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Summary :

Display devices play image files, of which contrast enhancement methods are usually employed to bring out visual details to achieve better visual quality. However, applied to high resolution images, the contrast enhancement method entails high computation costs mostly due to histogram computations. Therefore, this letter proposes a parallel histogram calculation algorithm using the column histograms and difference histograms to reduce histogram computations. Experimental results show that the proposed algorithm is effective for histogram-based image contrast enhancement.

Publication
IEICE TRANSACTIONS on Information Vol.E96-D No.12 pp.2724-2725
Publication Date
2013/12/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E96.D.2724
Type of Manuscript
Special Section LETTER (Special Section on Parallel and Distributed Computing and Networking)
Category

Authors

Yan-Tsung PENG
  National Taiwan University of Science and Technology
Fan-Chieh CHENG
  National Taiwan University of Science and Technology
Shanq-Jang RUAN
  National Taiwan University of Science and Technology

Keyword