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» Complexity of short rectangles and periodicity
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FOCS
2006
IEEE
14 years 4 months ago
Heat Flow and a Faster Algorithm to Compute the Surface Area of a Convex Body
We draw on the observation that the amount of heat diffusing outside of a heated body in a short period of time is proportional to its surface area, to design a simple algorithm f...
Mikhail Belkin, Hariharan Narayanan, Partha Niyogi
ICCV
2009
IEEE
15 years 3 months ago
Spatio-Temporal Relationship Match: Video Structure Comparison for Recognition of Complex Human Activities
Human activity recognition is a challenging task, especially when its background is unknown or changing, and when scale or illumination differs in each video. Approaches utilizi...
M. S. Ryoo1; J. K. Aggarwal
SDM
2009
SIAM
170views Data Mining» more  SDM 2009»
14 years 8 months ago
Mining Complex Spatio-Temporal Sequence Patterns.
Mining sequential movement patterns describing group behaviour in potentially streaming spatio-temporal data sets is a challenging problem. Movements are typically noisy and often...
Florian Verhein
ICPR
2010
IEEE
13 years 8 months ago
Real-Time Abnormal Event Detection in Complicated Scenes
In this paper, we proposed a novel real-time abnormal event detection framework that requires a short training period and has a fast processing speed. Our approach is based on phas...
Yinghuan Shi, Yang Gao, Ruili Wang
IROS
2006
IEEE
110views Robotics» more  IROS 2006»
14 years 4 months ago
Attitude Control of a Quadruped Trot While Turning
— During a complete running stride, which involves significant periods of flight during which no legs are contacting the ground, a quadruped cannot employ static stability tech...
Luther R. Palmer, David E. Orin