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» Shape of error surfaces in SpikeProp
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APGV
2008
ACM
141views Visualization» more  APGV 2008»
13 years 9 months ago
The assumed light direction for perceiving shape from shading
Recovering 3D shape from shading is an ill-posed problem that the visual system can solve only by making use of additional information such as the position of the light source. Pr...
James P. O'Shea, Martin S. Banks, Maneesh Agrawala
SMA
2009
ACM
132views Solid Modeling» more  SMA 2009»
14 years 1 months ago
Robust Voronoi-based curvature and feature estimation
Many algorithms for shape analysis and shape processing rely on accurate estimates of differential information such as normals and curvature. In most settings, however, care must...
Quentin Mérigot, Maks Ovsjanikov, Leonidas ...
CG
2002
Springer
13 years 7 months ago
Surface simplification using a discrete curvature norm
This paper proposes a mesh simplification algorithm using a discrete curvature norm. Most of the simplification algorithms are using a distance metric to date. The distance metric...
Sun-Jeong Kim, Chang-Hun Kim, David Levin
MVA
1990
13 years 8 months ago
Determining Surface Orientation by Uni-directional Photometric Flow Fields
In the Shape from Shading methods, an extended approach named Uni-directional Photometric Flow Fields is proposed in this paper. The reflectance property of the surface material i...
Hidekazu Tanaka, Yuji Iwahori, Naohiro Ishii
3DIM
2003
IEEE
14 years 22 days ago
Reliable and Rapidly-Converging ICP Algorithm Using Multiresolution Smoothing
Autonomous range acquisition for 3D modeling requires reliable range registration, for both the precise localization of the sensor and combining the data from multiple scans for v...
Kok-Lim Low, Anselmo Lastra