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Colour banding is a subtle form of posterization in digital images, caused by the colour of each pixel being rounded to the nearest of the digital colour levels. While posterization is often done for artistic effect, colour banding is an undesired artifact.
Posterization is a process in photograph development which converts normal photographs into an image consisting of distinct, but flat, areas of different tones or colors.
The so-called golden age of hand-coloured photography in the western hemisphere occurred between 1900 and 1940. [11] The increased demand for hand-coloured landscape photography at the beginning of the 20th century is attributed to the work of Wallace Nutting. Nutting, a New England minister, pursued hand-coloured landscape photography as a ...
View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph. [1] Original (left) and colorized reoriented enhancement (right).. The history of photography began with the discovery of two critical principles: The first is camera obscura image projection; the second is the discovery that some substances are visibly altered by exposure to light. [2]
The Photo History Timeline Collection; In the eye of the camera — Illustrated historical essay about early photography; Lippmann's and Gabor's Revolutionary Approach to Imaging; The Digital Camera Museum with accurate history section and many rare items Archived 2017-02-16 at the Wayback Machine; The Fascinating Timeline of Photography Technology
Noise shaping is a filtering process that shapes the spectral energy of quantization error, typically to either de-emphasize frequencies to which the ear is most sensitive or separate the signal and noise bands completely. If dither is used, its final spectrum depends on whether it is added inside or outside the feedback loop of the noise shaper.
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This is an accepted version of this page This is the latest accepted revision, reviewed on 25 January 2025. Art and practice of creating images by recording light For other uses, see Photography (disambiguation). Photography of Sierra Nevada Photography is the art, application, and practice of creating images by recording light, either electronically by means of an image sensor, or chemically ...