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80
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CVPR
2004
IEEE
16 years 29 days ago
Bayesian Video Matting Using Learnt Image Priors
Video matting, or layer extraction, is a classic inverse problem in computer vision that involves the extraction of foreground objects, and the alpha mattes that describe their op...
Nicholas Apostoloff, Andrew W. Fitzgibbon
ICPR
2006
IEEE
16 years 1 days ago
Activity Discovery from Surveillance Videos
Multi-agent interactions often result in mutual occlusion sequences which constitute a visual signature for the event. We define six qualitative occlusion primitives based on the ...
Amitabha Mukerjee, K. S. Venkatesh, Pabitra Mitra,...
SIGSOFT
2007
ACM
15 years 11 months ago
Test suite prioritization by interaction coverage
Event-driven software (EDS) is a widely used class of software that takes sequences of events as input, changes state, and outputs new event sequences. Managing the size of tests ...
Renée C. Bryce, Atif M. Memon
KDD
2008
ACM
243views Data Mining» more  KDD 2008»
15 years 11 months ago
Permu-pattern: discovery of mutable permutation patterns with proximity constraint
Pattern discovery in sequences is an important problem in many applications, especially in computational biology and text mining. However, due to the noisy nature of data, the tra...
Meng Hu, Jiong Yang, Wei Su
89
Voted
STOC
2007
ACM
132views Algorithms» more  STOC 2007»
15 years 11 months ago
On the convergence of Newton's method for monotone systems of polynomial equations
Monotone systems of polynomial equations (MSPEs) are systems of fixed-point equations X1 = f1(X1, . . . , Xn), . . . , Xn = fn(X1, . . . , Xn) where each fi is a polynomial with p...
Stefan Kiefer, Michael Luttenberger, Javier Esparz...