Joachim Weickert

Nonlinear Diffusion Filtering: Some Examples

Nonlinear Diffusion Filtering: Some Examples

Copyright by Joachim Weickert. No part of this page may be reproduced without permission. All images are downsampled or compressed, and they are of poorer quality than those used in publications.

left image: test image with 70 % of all pixels degraded. Taken from the software package MegaWave. right image: restoration [Reference]

left image: fingerprint right image: after nonlinear diffusion filtering [Reference]

left image: wood surface with a defect right image: defect visualization after nonlinear diffusion filtering [Reference]

left: rendering of a 3-D ultrasound data set of a 10-week old human foetus right: rendering after denoising by nonlinear diffusion filtering [Reference]

left image: winter near Merzalben (Palatinate Forest, Germany). Photo by Dr. Martin Reißel. right image: after applying coherence-enhancing anisotropic diffusion [Reference]

If you are interested in learning more about nonlinear diffusion filtering in general, you can download a review paper. A more detailed treatment and an overview of related PDE-based methods can be found in my book.

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