Publication

Color Encodings for Image Databases

Sabine Süsstrunk
2002
Conference Papers

Abstract

There are a number of color encoding standards that have lately been developed ant are being proposed to the imaging community for different encoding steps in the color imaging workflow, optimized for different purposes. In this paper, their applicability for master and derivative image file encoding for image databases is discussed. Several types of image databases are defined, and the advantages and disadvantages of archiving master files after different image workflow steps are outlined. Several input- and output-referred encodings are summarized and discussed in relation to their applicability for image database file encoding.

Official source

https://infoscience.epfl.ch/entities/publication/3018e08a-8b85-464a-be40-1a6044cffb76

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Sabine Süsstrunk
2002
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/3018e08a-8b85-464a-be40-1a6044cffb76

About this result

Related concepts (28)

Raw image format

A camera raw image file contains unprocessed or minimally processed data from the of either a digital camera, a motion picture film scanner, or other . Raw files are so named because they are not yet processed, and contain large amounts of potentially redundant data. Normally, the image is processed by a raw converter, in a wide-gamut internal color space where precise adjustments can be made before to a viewable file format such as JPEG or PNG for storage, printing, or further manipulation.

Color space

A color space is a specific organization of colors. In combination with color profiling supported by various physical devices, it supports reproducible representations of color - whether such representation entails an analog or a digital representation. A color space may be arbitrary, i.e. with physically realized colors assigned to a set of physical color swatches with corresponding assigned color names (including discrete numbers in - for example - the Pantone collection), or structured with mathematical rigor (as with the NCS System, Adobe RGB and sRGB).

RGB color model

The RGB color model is an additive color model in which the red, green and blue primary colors of light are added together in various ways to reproduce a broad array of colors. The name of the model comes from the initials of the three additive primary colors, red, green, and blue. The main purpose of the RGB color model is for the sensing, representation, and display of images in electronic systems, such as televisions and computers, though it has also been used in conventional photography.

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