• Skip to primary navigation
  • Skip to main content

photo-facts.com

The digital photography A-Z

  • A-Z
  • Blog
  • About
  • Show Search
Hide Search
You are here: Home / Archives for Color noise

Color noise

One of the two types of digital image noise and caused by random variations in the colour of neighbouring pixels. Colour noise is relatively easy for software to remove without any significant impact on the image quality. Luminance (contrast) noise is the other type, and much more difficult to remove effectively.

Noise and noise reduction

September 2, 2019 by Rod Lawton

Noise is the digital equivalent of grain in film. It’s random electrical signals captured by the photosites on the camera sensor, and usually this background noise level is so low compared to the brightness of the captured picture itself that you just don’t notice it. But if you start increasing the camera’s ISO setting, the […]

photo-facts.com

Copyright © 2023 · Monochrome Pro on Genesis Framework · WordPress · Log in

  • Home
  • A-Z of articles
  • A-Z of tags
  • About
  • A-Z v2
  • A-Z index