Flickering noise

[Austin]

I wouldn’t recommend HQDN3D for ISO noise. It smears pixels too much.

Here is the background on the wavelet filter:

Introducing a wavelet noise removal filter for high ISO imagery

In response to a separate thread, I’m releasing an interface to the vaguedenoiser filter in FFmpeg. It removes noise artefacts from images by using wavelets. The TL;DR is to install the filter, look for “Reduce Noise: Wavelet” in the filter list, and be aware of the three useful presets that come with it. About wavelet denoising Wavelet denoisers are excellent when decent-bitrate footage comes from a decent-quality camera, and the only real problem with the footage is high ISO noise or high …