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CAGD
2006
103views more  CAGD 2006»
15 years 2 months ago
The implicit structure of ridges of a smooth parametric surface
Given a smooth surface, a blue (red) ridge is a curve such that at each of its points, the maximum (minimum) principal curvature has an extremum along its curvature line. Ridges a...
Frédéric Cazals, Jean-Charles Faug&e...
ICIP
2008
IEEE
15 years 9 months ago
Recaptured photo detection using specularity distribution
Detection of planar surfaces in a generic scene is difficult when the illumination is complex and less intense, and the surfaces have non-uniform colors (e.g., a movie poster). A...
Hang Yu, Tian-Tsong Ng, Qibin Sun
IV
2008
IEEE
100views Visualization» more  IV 2008»
15 years 9 months ago
Maestro: Design Challenges for a Group Calendar
Maestro - 3D group calendar visualizer aims at handling multiple schedules and highlighting common free times. One of the most powerful skills of Maestro is scalability according ...
Billur Engin, Mehves Cetinkaya, Elif E. Ayiter, Mu...
DM
2007
114views more  DM 2007»
15 years 2 months ago
An inequality for the group chromatic number of a graph
—We give an inequality for the group chromatic number of a graph as an extension of Brooks’ Theorem. Moreover, we obtain a structural theorem for graphs satisfying the equality...
Hong-Jian Lai, Xiangwen Li, Gexin Yu
CRV
2008
IEEE
310views Robotics» more  CRV 2008»
15 years 4 months ago
An Efficient Region-Based Background Subtraction Technique
This paper proposes an efficient region-based background subtraction technique using static camera for motion detection in various monitoring applications. Color histograms, textu...
Parisa Darvish Zadeh Varcheie, Michael Sills-Lavoi...