Graphics (TOG)


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ACM Transactions on Graphics (TOG), Volume 6 Issue 2, April 1987

A new local basis for designing with tensioned splines
Elaine Cohen
Pages: 81-122
DOI: 10.1145/31336.31337
Recently there has been a great deal of interest in the use of “tension” parameters to augment control mesh vertices as design handles for piecewise polynomials. A particular local cubic basis called B-splines, which has been termed...

An experimental comparison of RGB, YIQ, LAB, HSV, and opponent color models
John C. Beatty, Michael W. Schwarz, William B. Cowan
Pages: 123-158
DOI: 10.1145/31336.31338
The increasing availability of affordable color raster graphics displays has made it important to develop a better understanding of how color can be used effectively in an interactive environment. Most contemporary graphics displays offer a...