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COMSIS
2010
13 years 6 months ago
An extended photometric stereo algorithm for recovering specular object shape and its reflectance properties
In Photometric stereo, the existence of specularities hampers to recover the normal map. To deal with this common reflective phenomenon, we introduce a novel representation for spe...
Zuoyong Zheng, Lizhuang Ma, Zhong Li, Zhihua Chen
ESWA
2008
134views more  ESWA 2008»
13 years 7 months ago
Neighborhood classifiers
K nearest neighbor classifier (K-NN) is widely discussed and applied in pattern recognition and machine learning, however, as a similar lazy classifier using local information for...
Qinghua Hu, Daren Yu, Zongxia Xie
ICPR
2006
IEEE
14 years 10 months ago
Robust Pose Invariant Facial Feature Detection and Tracking in Real-Time
In this paper, a robust technique is proposed to detect and track a set of twenty-eight prominent facial features under various facial expressions and face orientations in real-ti...
Qiang Ji, Zhiwei Zhu
ASIACRYPT
2009
Springer
14 years 3 months ago
Improved Generic Algorithms for 3-Collisions
An r-collision for a function is a set of r distinct inputs with identical outputs. Actually finding r-collisions for a random map over a finite set of cardinality N requires at ...
Antoine Joux, Stefan Lucks
IROS
2006
IEEE
157views Robotics» more  IROS 2006»
14 years 3 months ago
Trajectory and Spline Generation for All-Wheel Steering Mobile Robots
We present a method for trajectory generation for all-wheel steering mobile robots which can account for rough terrain and predictable vehicle dynamics and apply it to the problem...
Thomas M. Howard, Alonzo Kelly