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ICPR
2002
IEEE
15 years 6 months ago
Determining a Suitable Metric when Using Non-Negative Matrix Factorization
The Non-negative Matrix Factorization technique (NMF) has been recently proposed for dimensionality reduction. NMF is capable to produce a region- or partbased representation of o...
David Guillamet, Jordi Vitrià
ICIAR
2010
Springer
15 years 6 months ago
Face Detection in Low-Resolution Color Images
In low-resolution images, people at large distance appear very small and we may be interested in detecting the subject’s face for recognition or analysis. However, recent face de...
Jun Zheng, Geovany A. Ramírez, Olac Fuentes
CHI
2000
ACM
15 years 6 months ago
Using naming time to evaluate quality predictors for model simplification
Model simplification researchers require quality heuristics to guide simplification, and quality predictors to allow comparison of different simplification algorithms. However, th...
Benjamin Watson, Alinda Friedman, Aaron McGaffey
FGR
1998
IEEE
131views Biometrics» more  FGR 1998»
15 years 5 months ago
Tracking and Segmenting People in Varying Lighting Conditions Using Colour
Colour cues were used to obtain robust detection and tracking of people in relatively unconstrained dynamic scenes. Gaussian mixture models were used to estimate probability densi...
Yogesh Raja, Stephen J. McKenna, Shaogang Gong
FGR
1996
IEEE
107views Biometrics» more  FGR 1996»
15 years 5 months ago
Happy Patrons Make Better Tippers: Creating a Robot Waiter Using Perseus and the Animate Agent Architecture
As autonomous robots become increasingly adept at performing simple tasks like moving from place to place and picking up and delivering objects, it is becoming apparent that an im...
David Franklin, Roger E. Kahn, Michael J. Swain, R...