Video denoising is the process of removing noise from a video signal.
Video denoising methods can be divided into: It is done in two areas: They are chroma and luminance; chroma noise is where one sees color fluctuations, and luminance is where one sees light/dark fluctuations.
Generally, the luminance noise looks more like film grain, while chroma noise looks more unnatural or digital-like.
[2] Video denoising methods are designed and tuned for specific types of noise.
Typical video noise types are the following: Different suppression methods are used to remove all these artifacts from video.