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Non-linear quantisation effects in digital colour systems
Conference paper   Open access

Non-linear quantisation effects in digital colour systems

K. Godfrey and Y. Attikiouzel
Proceedings of First International Workshop on Wireless Image/Video Communications, pp.63-67
IEEE
First International Workshop on Wireless Image/Video Communications (Loughborough, UK, 04/09/1996–05/09/1996)
1996
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Abstract

This paper shows that quantisation of colour pixels, essential to digital imagery, causes non-linear correlation in the permitted values of chromaticity coordinates in linear-intensity CIE colour spaces. It follows that colour video and image coding schemes based on these colour spaces will suffer an inherent preference for certain chromaticities

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