Variational model for simultaneously image denoising and contrast enhancement.
作者： Wei Wang , Caixia Zhang , Michael K. Ng
DOI: 10.1364/OE.28.018751
关键词:
摘要: The performance of contrast enhancement is degraded when input images are noisy. In this paper, we propose and develop a variational model for simultaneously image denoising and contrast enhancement. The idea is to propose a variational approach containing an energy functional to adjust the pixel values of an input image directly so that the resulting histogram can be redistributed to be uniform and the noise of the image can be removed. In the proposed model, a histogram equalization term is considered for image contrast …
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