Basic Computer Notions Graphics

Next Pixels Pixels (cont'd) 2-D graphics resolution 2-D graphics resolution (cont'd) Cathode-ray tube LCD Plasma E-paper Generation of raster-scan images Generation of raster-scan images (cont'd) Refresh rate Generation of straight lines Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Generation of straight lines (cont'd) Graphics primitives Graphics processing units Subtractive Additive Colour display Colour display (cont'd) Colour display (cont'd) Colour palettes Colour palettes (cont'd) Colour palettes (cont'd) Colour palettes (cont'd) Colour palettes (cont'd) 43 of 74 Colour palettes (cont'd) Colour palettes (cont'd) Colour gamut Colour gamut (cont'd) Colour gamut (cont'd) Colour gamut (cont'd) Colour gamut (cont'd) Character codes Graphics formats TIFF format DICOM format Common Web formats Lossless compression Lossy compression Lossy compression (cont'd) Lossy compression (cont'd) Lossy compression (cont'd) Graphics software Graphics software (cont'd) Graphics software (cont'd) Graphics software (cont'd) Graphics software (cont'd) Video Principle of tomography Principle of tomography (cont'd) Levels of detail Levels of detail (cont'd) Levels of detail (cont'd) Image segmentation Image analysis Image analysis (cont'd)

Colour palettes (cont'd)

To represent a colour which is not in the current palette, one can either choose the nearest colour, or use dithering.
graph-palette
This image actually uses only 41 colours, which are dithered to simulate 256 colours.

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Last modified: Tue, 2007 Mar 20 17:33:24

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