Vector anisotropic filter for multispectral image denoising

Ahmed Ben Said; Sebti Foufou; Rachid Hadjidj

doi:10.1117/12.2182746

30 April 2015 Vector anisotropic filter for multispectral image denoising

Ahmed Ben Said, Sebti Foufou, Rachid Hadjidj

Proceedings Volume 9534, Twelfth International Conference on Quality Control by Artificial Vision 2015; 95340N (2015) https://doi.org/10.1117/12.2182746
Event: The International Conference on Quality Control by Artificial Vision 2015, 2015, Le Creusot, France

Abstract

In this paper, we propose an approach to extend the application of anisotropic Gaussian filtering for multi- spectral image denoising. We study the case of images corrupted with additive Gaussian noise and use sparse matrix transform for noise covariance matrix estimation. Specifically we show that if an image has a low local variability, we can make the assumption that in the noisy image, the local variability originates from the noise variance only. We apply the proposed approach for the denoising of multispectral images corrupted by noise and compare the proposed method with some existing methods. Results demonstrate an improvement in the denoising performance.

Citation Download Citation

Ahmed Ben Said, Sebti Foufou, and Rachid Hadjidj "Vector anisotropic filter for multispectral image denoising", Proc. SPIE 9534, Twelfth International Conference on Quality Control by Artificial Vision 2015, 95340N (30 April 2015); https://doi.org/10.1117/12.2182746

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KEYWORDS

Denoising

Multispectral imaging

Image denoising

Image filtering

IRIS Consortium

Anisotropic filtering

Image processing

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