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» Vector Geometry for Computer Graphics
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SAC
2010
ACM
14 years 2 months ago
Seal object detection in document images using GHT of local component shapes
Due to noise, overlapped text/signature and multi-oriented nature, seal (stamp) object detection involves a difficult challenge. This paper deals with automatic detection of seal ...
Partha Pratim Roy, Umapada Pal, Josep Lladó...
APGV
2004
ACM
145views Visualization» more  APGV 2004»
14 years 29 days ago
Conveying three-dimensional shape with texture
Studies have shown that although shading can give an image a ”natural” look and is an important shape cue, visual perception of surface shape from shading only is severely lim...
Sunghee Kim, Haleh Hagh-Shenas, Victoria Interrant...
SIGGRAPH
2000
ACM
13 years 12 months ago
Plenoptic sampling
This paper studies the problem of plenoptic sampling in imagebased rendering (IBR). From a spectral analysis of light field signals and using the sampling theorem, we mathematica...
Jinxiang Chai, Shing-Chow Chan, Heung-Yeung Shum, ...
PG
1999
IEEE
13 years 11 months ago
Automatic Camera Placement for Image-Based Modeling
We present an automatic camera placement method for generating image-based models from scenes with known geometry. Our method first approximately determines the set of surfaces vi...
Shachar Fleishman, Daniel Cohen-Or, Dani Lischinsk...
RT
1999
Springer
13 years 11 months ago
Lighting Design: A Goal Based Approach using Optimisation
There is a need for reliable lighting design applications because available tools are limited and inappropriate for interactive or creative use. Architects and lighting designers ...
António Cardoso Costa, António Augus...