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Contrast Brushes: Interactive Image Enhancement by Direct Manipulation
(The Eurographics Association, 2009)
We implement contrast brushes, an interactive method for directly brushing contrast adjustments onto an image. The adjustments are performed by a histogram warping approach that implements tone mapping using piecewisedefined, ...
Color Search and Replace
(The Eurographics Association, 2005)
We present an interactive image enhancement technique to adjust the global color composition of an image by finding and replacing color gradients. We show how color gradient transformations can perform the basic operations ...
Regularity and Randomness in Bridget Riley's Aarly Op Art
(The Eurographics Association, 2008)
I investigate the trade-off between regularity and randomness in Bridget Riley's early Op art, focusing on White Discs 2 (1964) and Fragment 6/9 (1965). I build on this to investigate the trade-off more generally. I analyse ...