Questions tagged [denoise]

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4
votes
2answers
605 views

What is the basic idea of denoising?

When doing random sampling, you can get noisy results if you don't use enough samples like in the shadows below. I know that if you use high frequency noise (aka blue noise), the noise pattern can be ...
8
votes
2answers
716 views

Algorithms to Remove High Frequency Noise from Path Tracing

I have been working on my own renderer for a while, and I'm wondering if there's any way to remove the Monte Carlo noise from the rendered image, besides waiting for a long time for it to converge? ...
4
votes
0answers
408 views

How to ignore rain or smaller objects movements in motion detection? [closed]

I first read Alan's answer about video noise removal which lead me to this question. I found later some algorithms ideas which capture motion in a similar way (frame comparison, as Alan described). ...
7
votes
3answers
286 views

How to denoise video?

Video noise is random and not correlated in time. I assume, the best method is using wavelet denoise in this case, right? If yes, how is wavelet denoise implemented for video? Is there something to ...