Image Enhancement Based on Fractional Differential and Image Entropy

Ya Wei Liu; Jian Wei Li

doi:10.4028/www.scientific.net/AMR.159.232

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 159Image Enhancement Based on Fractional Differential...

Image Enhancement Based on Fractional Differential and Image Entropy

Abstract:

In this paper, a new image enhancement method is proposed based on fractional differential, which can select the differential order automatically by the difference of mutual information (DMI). DMI describes the increase of mutual information in original and enhancement image. Being a measure of ascertaining the ehancement effect, it is considered getting the information balance in the images processed by different differential order. According to it, a criterion of selection differential order is put forward. Image convolutions are implemented with fractional operator in different scales, and then DMI of adjacent scales are calculated. The differential order can be selected in which the DMI is the mininum. The experimental results indicate that the proposed method is effective, and has better result compared with other methods.

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Periodical:

Advanced Materials Research (Volume 159)

Pages:

232-235

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.159.232

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Online since:

December 2010

Authors:

Ya Wei Liu, Jian Wei Li

Keywords:

Fractional Differential, Image Enhancement, Image Entropy, Mutual Information (MI)

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