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Hello,

i tried the example bm3d_image_denoising.cpp with a grayscale picture in pgm format. The result is strange and has artifacts: there are lines visibile. I don't know what is wrong.

I started the program with the parameters ./bm3d_image_denoising -i=sample.pgm -sigma=55 -o=sample_out.pgm

I know the sigma is high but the problem is still visible for sigma 10 or 15 (but not so good). I sharpened the image and marked the lines with red arrow. Can someone help?

C:\fakepath\sample_out_sharpen.jpg

Hello,

i tried the example bm3d_image_denoising.cpp with a grayscale picture in pgm format. The result is strange and has artifacts: there are lines visibile. I don't know what is wrong.

I started the program with the parameters ./bm3d_image_denoising -i=sample.pgm -sigma=55 -o=sample_out.pgm

I know the sigma is high but the problem is still visible for sigma 10 or 15 (but not so good). I sharpened the image and marked the lines with red arrow. Can someone help?

C:\fakepath\sample_out_sharpen.jpg