Affine non-local means image denoising
Affine non-local means image denoising
Citació
- Fedorov V, Ballester C. Affine non-local means image denoising. IEEE Trans Image Process. 2017;26(5):2137-48. DOI: 10.1109/TIP.2017.2681421
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Descripció
Resum
This work presents an extension of the Non-Local Means denoising method, that effectively exploits the affine invariant self-similarities present in images of real scenes. Our method provides a better image denoising result by grounding on the fact that in many occasions similar patches exist in the image but have undergone a transformation. The proposal uses an affine invariant patch similarity measure that performs an appropriate patch comparison by automatically and intrinsically adapting the size and shape of the patches. As a result, more similar patches are found and appropriately used. We show that this image denoising method achieves top-tier performance in terms of PSNR, outperforming consistently the results of the regular Non-Local Means, and that it provides state-of-the-art qualitative results.