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TVCG
1998
102views more  TVCG 1998»
13 years 9 months ago
Ray-Tracing Triangular Trimmed Free-Form Surfaces
This paper presents a new approach to rendering triangular algebraic free form surfaces. A hierarchical subdivision of the surface with associated tight bounding volumes provides ...
Wolfgang Stürzlinger
ICCV
1999
IEEE
14 years 2 months ago
Subpixel-Precise Extraction of Watersheds
An approach to extract watersheds and watercourses, as well as their corresponding valleys and hills, from images with subpixel precision is proposed. The critical points of the t...
Carsten Steger
HCI
1993
13 years 11 months ago
Quantitative Measures for Evaluating Human-Computer Interfaces
There currently are 4 different views on human computer interaction in measuring interactive qualities: (1) the interaction-oriented view, (2) the user-oriented view, (3) the prod...
Matthias Rauterberg
VVS
1995
IEEE
161views Visualization» more  VVS 1995»
14 years 1 months ago
Volumetric Ray Tracing
We introduce a framework for texturing volumetric objects with displacement maps and texture maps, which are introduced as volume modeling tools. In this framework, an implicit-to...
Lisa M. Sobierajski, Arie E. Kaufman
3DPVT
2002
IEEE
146views Visualization» more  3DPVT 2002»
14 years 2 months ago
Geometry of Contour-based Correspondence for Stereo
We consider the problem of computing stereo correspondence for scenes dense in physical structure, such as a bouquet of flowers. Boundaries are then space curves, formally govern...
Steven W. Zucker, Gang Li