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» A Fourier Theory for Cast Shadows
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CVPR
2003
IEEE
14 years 7 months ago
Illumination Normalization with Time-dependent Intrinsic Images for Video Surveillance
Cast shadows produce troublesome effects for video surveillance systems, typically for object tracking from a fixed viewpoint, since it yields appearance variations of objects dep...
Yasuyuki Matsushita, Ko Nishino, Katsushi Ikeuchi,...
TSP
2008
180views more  TSP 2008»
13 years 5 months ago
Algebraic Signal Processing Theory: Foundation and 1-D Time
This paper introduces a general and axiomatic approach to linear signal processing (SP) that we refer to as the algebraic signal processing theory (ASP). Basic to ASP is the linear...
Markus Püschel, José M. F. Moura
CLEAR
2006
Springer
133views Biometrics» more  CLEAR 2006»
13 years 9 months ago
Multi-feature Graph-Based Object Tracking
We present an object detection and tracking algorithm that addresses the problem of multiple simultaneous targets tracking in realworld surveillance scenarios. The algorithm is bas...
Murtaza Taj, Emilio Maggio, Andrea Cavallaro
CORR
2011
Springer
151views Education» more  CORR 2011»
12 years 11 months ago
Generating and Searching Families of FFT Algorithms
A fundamental question of longstanding theoretical interest is to prove the lowest exact count of real additions and multiplications required to compute a power-of-two discrete Fo...
Steve Haynal, Heidi Haynal
SIGGRAPH
1999
ACM
13 years 9 months ago
Diffraction Shaders
The reflection of light from surfaces is a fundamental problem in computer graphics. Although many reflection models have been proposed, few take into account the wave nature of...
Jos Stam