Video denoising by BM3D technique with an improved cube construction and SURE shrinkage techniques

Ryoya Yamada; Chihiro Tsutake; Toshiyuki Yoshida

doi:10.1117/12.2591104

13 March 2021 Video denoising by BM3D technique with an improved cube construction and SURE shrinkage techniques

Ryoya Yamada, Chihiro Tsutake, Toshiyuki Yoshida

Proceedings Volume 11766, International Workshop on Advanced Imaging Technology (IWAIT) 2021; 117661S (2021) https://doi.org/10.1117/12.2591104
Event: International Workshop on Advanced Imaging Technology 2021 (IWAIT 2021), 2021, Online Only

Abstract

This paper attempts to improve denoising efficiency of BM3D technique for videos, i.e., VBM3D. VBM3D constructs 3D cubes from target video frames by a block matching algorithm that minimizes the residual matching error. However, such a cube formation results in sacrificing the pixel correlation in the temporal direction. This paper thus modifies this step to preserve the sub-pixel alignment, which makes the Fourier coefficients of each cube located on a vicinity of a certain plane in the 3-D Fourier domain. Then, SURE-shrinkage technique is separately applied to the inside and outside of the vicinity of the plane to denoise each cube. The experimental results given in this paper demonstrate the validity of our approach.

Citation Download Citation

Ryoya Yamada, Chihiro Tsutake, and Toshiyuki Yoshida "Video denoising by BM3D technique with an improved cube construction and SURE shrinkage techniques", Proc. SPIE 11766, International Workshop on Advanced Imaging Technology (IWAIT) 2021, 117661S (13 March 2021); https://doi.org/10.1117/12.2591104

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