Research on image denoising algorithm based on non-local block matching
by Ying Yang; Dongrui Li; Xiaofeng Huang
International Journal of Information and Communication Technology (IJICT), Vol. 16, No. 3, 2020

Abstract: In order to study how to better suppress image noise, improve image resolution, and enhance the visual effect of images, three-dimensional joint filtering – block matching (BM3D) algorithm is used to explore image denoising and image detail retention, and in image denoising, sparse expression and low rank recovery theory are introduced. The results show that BM3D algorithm has a good effect in removing Gaussian white noise, but it is lacking in suppressing impulse noise and mixed noise. The non-local BM3D algorithm is superior to sparse expression and low rank recovery in removing Gaussian white noise, but sparse expression and low rank recovery has a good effect in removing impulse noise.

Online publication date: Thu, 02-Apr-2020

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