Compressing, Ordering And Displaying Image Data

F. H. Preston; A. F. Lehar; R. J. Stevens

doi:10.1117/12.965979

17 March 1983 Compressing, Ordering And Displaying Image Data

F. H. Preston, A. F. Lehar, R. J. Stevens

Proceedings Volume 0359, Applications of Digital Image Processing IV; (1983) https://doi.org/10.1117/12.965979
Event: 26th Annual Technical Symposium, 1982, San Diego, United States

Abstract

A novel method for analysing colour space is described with reference to compression, data ordering and display. This technique uses a precalculated curve first described by Giuseppe Peano to traverse the space, allowing sensible compression in the colour domain. Techniques already available for single channel data processing can then be applied because of the ordering properties peculiar to this family of curves. The immediate use, for which the technique was developed, enables the presentation of high colour fidelity images on a frame store able to display only 256 colours simultaneously, providing the frame store has a flexible look-up table (LUT). Other applications for false colour display and compression are outlined. The technique reduces the entropy in a multi-channel picture and is suitable for preprocessing before other compression techniques.

Citation Download Citation

F. H. Preston, A. F. Lehar, and R. J. Stevens "Compressing, Ordering And Displaying Image Data", Proc. SPIE 0359, Applications of Digital Image Processing IV, (17 March 1983); https://doi.org/10.1117/12.965979

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