Efficient Color Image Enhancement Using Computational Photography Method
Journal Title: Asian Journal of Advanced Basic Sciences - Year 2018, Vol 6, Issue 2
Abstract
In this letter, we propose a new global contrast enhancement algorithm using the computational photography method. On the basis of the computational photography, the color and depth image are first partitioned into subintervals using the Gaussian mixture model. The positions partitioning the color are then adjusted such that spatially neighbouring pixels with the similar intensity and depth values can be grouped into the same sub-interval. By approximating the mapping curve of the contrast enhancement for each sub-interval, the comprehensive image contrast can be improved without over-enhancing the local image contrast. Experimental results determine the effectiveness of the proposed algorithm.
Authors and Affiliations
Shailendra Singh Rajpoot
Keywords
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