August 2008
Intermediate to advanced
240 pages
6h 41m
English
3 Digital noise: What it is and how to deal with it
Pictures, regardless of how they are created and recreated, are intended to be looked at. This brings to the forefront not the technology of imaging, which of course is important, but rather what wemight call the eyenology (seeing).
—Henri Cartier-Bresson
Noise in digital photographs is the visual equivalent of static you hear in radio signals, and most digital cameras add some level of noise to images. In traditional photography, the nearest equivalent is film grain. Like film, digital noise is noticeable in images shot at high ISO settings, and more visible in areas of uniform color, ...