Performance comparison of fundamental anisotropic diffusion algorithms

Bulent Bayraktar; Mostafa Analoui

doi:10.1117/12.536107

12 May 2004 Performance comparison of fundamental anisotropic diffusion algorithms

Bulent Bayraktar, Mostafa Analoui

Proceedings Volume 5370, Medical Imaging 2004: Image Processing; (2004) https://doi.org/10.1117/12.536107
Event: Medical Imaging 2004, 2004, San Diego, California, United States

Abstract

Anisotropic diffusion (AD), first introduced by Perona and Malik (PM), provides image enhancement a strong benefit as it favors intra-region over inter-region smoothing. Early updates on the original PM algorithm focused on the cures for its drawbacks. Later some authors provided their own versions of AD techniques with a wide variety of applications. We surveyed the pros and cons of many fundamental AD techniques. To put our purpose into perspective, we compared the performances of fundamental AD algorithms to simple traditional filters and to more sophisticated tools such as wavelets. Visual inspection and two mathematical criteria are used for performance comparison: Signal-to-noise ratio (SNR) and universal image quality index (UIQI). We believe that a good overview of its simplicity and power will show the rightful reason of so much interest in anisotropic diffusion since its introduction.

Citation Download Citation

Bulent Bayraktar and Mostafa Analoui "Performance comparison of fundamental anisotropic diffusion algorithms", Proc. SPIE 5370, Medical Imaging 2004: Image Processing, (12 May 2004); https://doi.org/10.1117/12.536107

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KEYWORDS

Anisotropic diffusion

Phase modulation

Diffusion

Wavelets

Signal to noise ratio

Image enhancement

Image processing

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