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» Pedestrian detection by modeling local convex shape features
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CVPR
2006
IEEE
14 years 10 months ago
Reciprocal Image Features for Uncalibrated Helmholtz Stereopsis
Helmholtz stereopsis is a surface reconstruction method that exploits reciprocity for the recovery of 3D shape without an assumed BRDF model, and it has been shown to yield high q...
Todd Zickler
ICIP
2007
IEEE
14 years 9 months ago
Skeleton-Based Tornado Hook Echo Detection
We propose and evaluate a method to identify tornadoes automatically in Doppler radar imagery by detecting hook echoes, which are important signatures of tornadoes, in Doppler rad...
Hongkai Wang, Robert E. Mercer, John L. Barron, Pa...
DASFAA
2005
IEEE
209views Database» more  DASFAA 2005»
14 years 1 months ago
PADS: Protein Structure Alignment Using Directional Shape Signatures
A novel approach for similarity search on the protein structure databases is proposed. PADS (Protein Alignment by Directional shape Signatures) incorporates the three dimensional ...
S. Alireza Aghili, Divyakant Agrawal, Amr El Abbad...
CRV
2011
IEEE
337views Robotics» more  CRV 2011»
12 years 7 months ago
Object Detection Using Principal Contour Fragments
Abstract—Contour features play an important role in object recognition. Psychological experiments have shown that maximum-curvature points are most distinctive along a contour [6...
Changhai Xu, Benjamin Kuipers
VIS
2007
IEEE
152views Visualization» more  VIS 2007»
14 years 9 months ago
An Effective Illustrative Visualization Framework Based on Photic Extremum Lines (PELs)
Conveying shape using feature lines is an important visualization tool in visual computing. The existing feature lines (e.g., ridges, valleys, silhouettes, suggestive contours, etc...
Xuexiang Xie, Ying He, Feng Tian, Hock-Soon Sea...