Cross-boosting of WNNM Image Denoising method by Directional Wavelet Packets

• URL: http://arxiv.org/abs/2206.04431v2
• Date: Tue, 9 May 2023 10:46:46 GMT
• Title: Cross-boosting of WNNM Image Denoising method by Directional Wavelet Packets
• Authors: Amir Averbuch, Pekka Neittaanm\"aki, Valery Zheludev, Moshe Salhov and Jonathan Hauser
• Abstract summary: The paper presents an image denoising scheme by combining a method that is based on directional quasi-analytic wavelet packets (qWPs) with the state-of-the-art Weighted Nuclear Norm Minimization (WNNM) denoising algorithm. The proposed methodology couples the qWPdn capabilities to capture edges and fine texture patterns even in the severely corrupted images.
• Score: 2.7648976108201815
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The paper presents an image denoising scheme by combining a method that is based on directional quasi-analytic wavelet packets (qWPs) with the state-of-the-art Weighted Nuclear Norm Minimization (WNNM) denoising algorithm. The qWP-based denoising method (qWPdn) consists of multiscale qWP transform of the degraded image, application of adaptive localized soft thresholding to the transform coefficients using the Bivariate Shrinkage methodology, and restoration of the image from the thresholded coefficients from several decomposition levels. The combined method consists of several iterations of qWPdn and WNNM algorithms in a way that at each iteration the output from one algorithm boosts the input to the other. The proposed methodology couples the qWPdn capabilities to capture edges and fine texture patterns even in the severely corrupted images with utilizing the non-local self-similarity in real images that is inherent in the WNNM algorithm. Multiple experiments, which compared the proposed methodology with six advanced denoising algorithms, including WNNM, confirmed that the combined cross-boosting algorithm outperforms most of them in terms of both quantitative measure and visual perception quality.

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