2004•Unpublished venueRequires access

An Image Enhancement Method Using Modified Diffusion Function in Anisotropic Diffusion Filter

Young‐Chul Song, Doo-Hyun Choi

Abstract

An image enhancement method using modified anisotropic diffusion filter is proposed in this paper. It employs sensor noise estimation and scale space methods based on the minimum reliable scale. Then the anisotropic diffusion filter is modified by the calculated critical value function and local gradient. Through simulation, it is verified that the proposed algorithm has the capability of little or no noise amplification in homogenous region as well as superior edge enhancement.

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Available abstract

Key concepts: Anisotropic diffusion, Edge-preserving smoothing, Diffusion, Noise (video), Anisotropy, Filter (signal processing), Enhanced Data Rates for GSM Evolution, Scale space