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» On 3D Shape Similarity
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CG
2005
Springer
15 years 6 months ago
Sketch-based free-form shape modelling with a fast and stable numerical engine
In this paper, we present a feature-based free-form shape modelling technique based on solving a fundamental problem of reconstructing the depth information from 2D sketch planes....
Yong-Jin Liu, Kai Tang, Ajay Joneja
APGV
2008
ACM
141views Visualization» more  APGV 2008»
15 years 8 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
JCP
2006
232views more  JCP 2006»
15 years 6 months ago
Indexing of Motion Capture Data for Efficient and Fast Similarity Search
As motion capture systems are increasingly used for motion tracking and capture, and more and more surveillance cameras are installed for security protection, more and more motion ...
Chuanjun Li, B. Prabhakaran
ACCV
2010
Springer
15 years 1 months ago
Real-Time Human Detection Using Relational Depth Similarity Features
Many conventional human detection methods use features based on gradients, such as histograms of oriented gradients (HOG), but human occlusions and complex backgrounds make accurat...
Sho Ikemura, Hironobu Fujiyoshi
CIARP
2009
Springer
16 years 1 months ago
Finding Images with Similar Lighting Conditions in Large Photo Collections
When we look at images taken from outdoor scenes, much of the information perceived is due to the ligthing conditions. In these scenes, the solar beams interact with the atmosphere...
Mauricio Díaz, Peter F. Sturm