Image denoising by block-matching and 1D filtering

Yingkun Hou; Tao Chen; Deyun Yang; Lili Zhu; Hongxiang Yang

doi:10.1117/12.920202

11 January 2012 Image denoising by block-matching and 1D filtering

Yingkun Hou, Tao Chen, Deyun Yang, Lili Zhu, Hongxiang Yang

Author Affiliations +

Proceedings Volume 8349, Fourth International Conference on Machine Vision (ICMV 2011): Machine Vision, Image Processing, and Pattern Analysis; 83490A (2012) https://doi.org/10.1117/12.920202
Event: Fourth International Conference on Machine Vision (ICMV 11), 2011, Singapore, Singapore

Abstract

In this paper, we develop a new image denoising method based on block-matching and transform-domain filtering. The developed method is derived from the current state-of-the-art denoising method (BM3D). We separate the 3D transform in the original method to two steps 1D transform, to further enhance the sparsity for signals whose elements are highly similar and to weaken the sparsity for those signals whose elements are dissimilar. Because the 1D filtering is on highly similar elements and the 2D filtering on image blocks are all removed, the image details can be better reserved and fewer artifacts are introduced than original method. Experimental results demonstrate that the developed method is competitive and better than some of the current state-of-the-art denoising methods in terms of peak signal-to-noise ratio, structural similarity, and subjective visual quality.

Citation Download Citation

Yingkun Hou, Yingkun Hou, Tao Chen, Tao Chen, Deyun Yang, Deyun Yang, Lili Zhu, Lili Zhu, Hongxiang Yang, Hongxiang Yang, "Image denoising by block-matching and 1D filtering", Proc. SPIE 8349, Fourth International Conference on Machine Vision (ICMV 2011): Machine Vision, Image Processing, and Pattern Analysis, 83490A (11 January 2012); doi: 10.1117/12.920202; https://doi.org/10.1117/12.920202

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