2990 search results - page 346 / 598 » Thresholding for Change Detection |
207
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EMNLP
2008
15 years 8 months ago
2008
We introduce the relative rank differential statistic which is a non-parametric approach to document and dialog analysis based on word frequency rank-statistics. We also present a...
221
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FGR
2011
IEEE
14 years 10 months ago
2011
IEEE
Abstract— We propose here to acquire high resolution sequences of a person’s face using a pan-tilt-zoom (PTZ) network camera. This capability should prove helpful in forensic a...
161
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EUROSYS
2009
ACM
16 years 3 months ago
2009
ACM
This paper evaluates pointer tainting, an incarnation of Dynamic Information Flow Tracking (DIFT), which has recently become an important technique in system security. Pointer tai...
299
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CVPR
2010
IEEE
15 years 3 months ago
2010
IEEE
We present a region-based active contour detection algorithm for objects that exhibit relatively homogeneous photometric characteristics (e.g. smooth color or gray levels), embedd...
188
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CVPR
2004
IEEE
16 years 8 months ago
2004
IEEE
We describe a method for obtaining the principal objects, characters and scenes in a video by measuring the reoccurrence of spatial configurations of viewpoint invariant features....