Parameter-Adaptive NLM Denoising Algorithm Based on Hessian Matrix

2021 4th International Conference on Intelligent Autonomous Systems (ICoIAS)（2021）

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摘要

The Non-Local Means (NLM) algorithm has gained wide applications in image denoising. However, the effect in practical application is limited by parameter setting and the pre-defined filtering parameter has to manually set in different noise levels. To solve the problem, we analyze the effect of the filtering parameter on images with different texture complexity and noise levels. Then, a new NLM al...

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关键词

Image texture,Filtering,Autonomous systems,Image edge detection,Noise reduction,Eigenvalues and eigenfunctions,Image filtering

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