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SIGGRAPH
1996
ACM
13 years 12 months ago
Rendering Parametric Surfaces in Pen and Ink
This paper presents new algorithms and techniques for rendering parametric free-form surfaces in pen and ink. In particular, we introduce the idea of "controlled-density hatc...
Georges Winkenbach, David Salesin
ICPR
2008
IEEE
14 years 2 months ago
Adaptive local contrast enhancement for the visualization of high dynamic range images
In this paper, we present a new tone mapping algorithm for the display of high dynamic range images, inspired by adaptive process of the human visual system. The proposed algorith...
Jian Zhang, Sei-ichiro Kamata
IMAGING
2004
13 years 9 months ago
Testing HDR Image Rendering Algorithms
Eight high-dynamic-range image rendering algorithms were tested using ten high-dynamic-range pictorial images. A large-scale paired comparison psychophysical experiment was develo...
Jiangtao Kuang, Hiroshi Yamaguchi, Garrett M. John...
CGF
2000
135views more  CGF 2000»
13 years 7 months ago
Observational Models of Graphite Pencil Materials
This paper presents models for graphite pencil, drawing paper, blenders, and kneaded eraser that produce realistic looking pencil marks, textures, and tones. Our models are based ...
Mario Costa Sousa, John W. Buchanan
NPAR
2006
ACM
14 years 1 months ago
X-toon: an extended toon shader
: Some example effects achieved by our extended toon shader: continuous levels of abstraction (a); abstraction of near-silhouette regions: smoothing (b), and opacity (c); backlight...
Pascal Barla, Joëlle Thollot, Lee Markosian