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BM3D Image Denoising using Learning-Based Adaptive Hard Thresholding

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Figure

Figure 2.3: Example of Salt-and-pepper Noise. (a) Original Lena Image. (b) Salt-and-Pepperadded with density = 0.25
Figure 2.6: Performance of Non-Local Means (a) Original Lena image. (b) AWGN added withσ = 60 (PSNR=12.57) (c) Non-Local Means denoised image (PSNR=27.25)
Figure 2.7: Performance of 2D Adaptive Wiener Filter (a) Original Lena image. (b) AWGNadded with σ = 60 (PSNR=12.57) (c) Wiener2 denoised image (PSNR=24.35)
Figure 2.9:Performance of BM3D (a) Original Lena image.(b) AWGN added withσ = 60 (PSNR=12.57) (c) Basic denoised image (PSNR=27.00) (d) Final denoised image(PSNR=28.27)
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