Medical Image Denoising Algorithm Based on Sparse Nonlocal Regularized Weighted Coding and Low Rank Constraint

Figure 1

Comparison of CT images based on different algorithms. (a) CT image without noise added; (b) image with noise added when σ = 10 and ρ = 30%; (c) the effect of WESNR algorithm; (d) the effect of the proposed algorithm; the red and green boxes indicate that the area has been enlarged.

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