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SIGGRAPH
2000
ACM
14 years 1 months ago
2000
ACM
We present a method for automatically rendering pen-and-ink illustrations of trees. A given 3-d tree model is illustrated by the tree and a visual representation of the foliage us...
CHI
2002
ACM
14 years 9 months ago
2002
ACM
Many applications require users to specify preferences. We support users in this task by letting them define preferences relative to their personal history or that of other users....
AIED
2009
Springer
14 years 3 months ago
2009
Springer
Although a solid understanding of fractions is foundational in mathematics, the concept of fractions remains a challenging one. Previous research suggests that multiple graphical r...
EGH
2007
Springer
14 years 3 months ago
2007
Springer
Evaluating pixel shaders consumes a growing share of the computational budget for real-time applications. However, the significant temporal coherence in visible surface regions, ...
VISSYM
2003
13 years 10 months ago
2003
Extracting only the visible portion of an isosurface can improve both the computation efficiency and the rendering speed. However, the visibility test overhead can be quite high ...