Hybridized edge preservation coefficient for anisotropic diffusion

Auapong Yaicharoen; Scott Thomas Acton

doi:10.1117/12.233302

27 February 1996 Hybridized edge preservation coefficient for anisotropic diffusion

Auapong Yaicharoen, Scott Thomas Acton

Proceedings Volume 2727, Visual Communications and Image Processing '96; (1996) https://doi.org/10.1117/12.233302
Event: Visual Communications and Image Processing '96, 1996, Orlando, FL, United States

Abstract

This paper addresses the construction of the edge-preservation coefficient for anisotropic diffusion for image enhancement. We evaluate the performance of existing diffusion techniques in the presence of several corruptive processes. The results from this study were used to design a hybrid algorithm which capitalizes on the strengths of the current diffusion coefficients. The new edge-preserving algorithm adaptively determines the presence of noise or edges at each image location and selects the appropriate diffusion coefficient. The results generated from this algorithm exhibit improvements in mean squared error, signal-to-noise ratio, and visual quality. A comparative study shows the performance of the standard diffusion techniques and the hybrid algorithm for images corrupted by Laplacian-distributed, Gaussian- distributed, and 'salt and pepper' impulse noise.

Citation Download Citation

Auapong Yaicharoen and Scott Thomas Acton "Hybridized edge preservation coefficient for anisotropic diffusion", Proc. SPIE 2727, Visual Communications and Image Processing '96, (27 February 1996); https://doi.org/10.1117/12.233302

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