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IJCAI
2003
15 years 15 days ago
Continuous nonlinear dimensionality reduction by kernel Eigenmaps
We equate nonlinear dimensionality reduction (NLDR) to graph embedding with side information about the vertices, and derive a solution to either problem in the form of a kernel-ba...
Matthew Brand
WSCG
2004
189views more  WSCG 2004»
15 years 15 days ago
Hardware Accelerated Soft Shadows using Penumbra Quads
Shadow mapping is a commonly used technique for generating hard shadows in real time. However, existing shadow map based algorithms cannot render full soft shadows penumbras onto ...
Jukka Arvo, Jan Westerholm
WSCG
2004
130views more  WSCG 2004»
15 years 15 days ago
A Hybrid Approach to Rendering Handwritten Characters
With the growing popularity of pen-based computers comes the need to display clear handwritten characters at small sizes on low-resolution displays. This paper describes a method ...
Sara L. Su, Chenyu Wu, Ying-Qing Xu, Heung-Yeung S...
MVA
2000
143views Computer Vision» more  MVA 2000»
15 years 14 days ago
Detection and Estimation of Omni-Directional Pointing Gestures Using Multiple Cameras
We propose a multi-camera system that can detect omni-directional pointing gestures and estimate the direction of pointing. In general, when a human points at something, their tar...
Hiroki Watanabe, Hitoshi Hongo, Mamoru Yasumoto, K...
DAGSTUHL
1996
15 years 13 days ago
Pragmatics of Type-Directed Partial Evaluation
Abstract. Type-directed partial evaluation stems from the residualization of arbitrary static values in dynamic contexts, given their type. Its algorithm coincides with the one for...
Olivier Danvy