3356 search results - page 493 / 672 » Thresholds and Expectation Thresholds |
170
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PCM
2001
Springer
15 years 11 months ago
2001
Springer
A novel motion activity descriptor and its extraction from a compressed MPEG (MPEG-1/2) video stream are presented. The descriptor consists of two parts, a temporal descriptor and ...
189
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SCALESPACE
2001
Springer
15 years 11 months ago
2001
Springer
This paper develops and investigates a new approach for evaluating feature based object hypotheses in a direct way. The idea is to compute a feature likelihood map (FLM), which is ...
161
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STACS
2001
Springer
15 years 11 months ago
2001
Springer
The stretch factor of a Euclidean graph is the maximum ratio of the distance in the graph between any two points and their Euclidean distance. Given a set S of n points in Rd, we ...
161
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CVPR
2000
IEEE
15 years 11 months ago
2000
IEEE
We present a framework for tracking rigid objects based on an adaptive Bayesian recognition technique that incorporates dependencies between object features. At each frame we fin...
177
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FGR
2000
IEEE
15 years 11 months ago
2000
IEEE
We present two methods using mixtures of linear subspaces for face detection in gray level images. One method uses a mixture of factor analyzers to concurrently perform clustering...