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A fast dynamic range compression with local contrast preservation algorithm for low dynamic range image enhancement

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1 Author(s)
Chi-Yi Tsai ; Dept. of Electr. Eng., Tamkang Univ., New Taipei, Taiwan

This paper presents a new fast dynamic range compression format with a local-contrast-preservation (FDRCLCP) algorithm to efficiently resolve low dynamic range (LDR) image enhancement problem for natural color images. The proposed FDRCLCP algorithm can combine with any continuously differentiable intensity transfer function to achieve LDR image enhancement. In combination with the FDRCLCP algorithm, a new intensity-transfer function that achieves satisfactory dynamic-range compression while preventing over enhancement in dark regions of the image is proposed. Experimental results validate that the proposed method provides better visual representation in comparison with two existing methods.

Published in:

Signal Processing, Communication and Computing (ICSPCC), 2012 IEEE International Conference on

Date of Conference:

12-15 Aug. 2012