Computers and Computing

A Dictionary of the Internet A Dictionary of Computing Further reading

dithering

A Dictionary of the Internet | 2001 | | Copyright

dithering The use of existing colours to approximate another colour which was not contained in the palette of the graphics program used to create a picture. The approximation is achieved by drawing adjacent pixels in different colours. One of the problems with dithering is that if it is used in a GRAPHICS INTERCHANGE FORMAT-based graphic it reduces the compression efficiency, since the LOSSLESS COMPRESSION SCHEME used for such graphics performs relatively poorly when adjacent pixels are of different colours.

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DARREL INCE. "dithering." A Dictionary of the Internet. 2001. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

DARREL INCE. "dithering." A Dictionary of the Internet. 2001. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O12-dithering.html

DARREL INCE. "dithering." A Dictionary of the Internet. 2001. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O12-dithering.html

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dithering

A Dictionary of Computing | 2004 | | Copyright

dithering Reducing the effect of sharp edges in a picture when intensities jump from one discrete value to another. A small random intensity called dither noise is added to the picture intensities at each point. Ordered dithering uses intensities in a matrix that is laid down on the picture in a periodic manner.

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JOHN DAINTITH. "dithering." A Dictionary of Computing. 2004. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

JOHN DAINTITH. "dithering." A Dictionary of Computing. 2004. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O11-dithering.html

JOHN DAINTITH. "dithering." A Dictionary of Computing. 2004. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O11-dithering.html

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Free newspaper and magazine articles

	PHOTO DITHERING.(NATION)(INSIDE THE BELTWAY)(Column) Newspaper article from: The Washington Times (Washington, DC); 5/4/2011
	Government 'dithering' caused postal vote fiasco. Newspaper article from: The Mail on Sunday (London, England); 5/30/2004
	Brown ditches the dithering to win support.(News) Newspaper article from: Liverpool Echo (Liverpool, England); 4/19/2008