129 search results - page 19 / 26 » Towards Automatic Detection and Tracking of Topic Change |
FGR
2000
IEEE
15 years 1 months ago
2000
IEEE
Most automatic expression analysis systems attempt to recognize a small set of prototypic expressions (e.g. happiness and anger). Such prototypic expressions, however, occur infre...
TMC
2010
14 years 8 months ago
2010
—Recent years have witnessed the deployments of wireless sensor networks in a class of mission-critical applications such as object detection and tracking. These applications oft...
ACIVS
2008
Springer
15 years 3 months ago
2008
Springer
Abstract. Crowd behavior recognition is becoming an important research topic in video surveillance for public places. In this paper, we first discuss the crowd feature selection a...
106
Voted
FGR
2011
IEEE
14 years 1 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...
110
Voted
ICAC
2005
IEEE
15 years 3 months ago
2005
IEEE
Grid environments enable users to share non-dedicated resources that lack performance guarantees. This paper describes the design of application-centric middleware components to a...