2323 search results - page 224 / 465 » Illumination-Invariant Change Detection |
208
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KDD
2004
ACM
16 years 7 months ago
2004
ACM
In a wide range of business areas dealing with text data streams, including CRM, knowledge management, and Web monitoring services, it is an important issue to discover topic tren...
209
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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...
222
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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...
300
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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...