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226
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TCSV
2008
15 years 7 months ago
2008
Abstract--This paper presents a survey of trajectory-based activity analysis for visual surveillance. It describes techniques that use trajectory data to define a general set of ac...
175
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CGF
2002
15 years 7 months ago
2002
BSP trees and KD trees are fundamental data structures for collision detection in walkthrough environments. A basic issue in the construction of these hierarchical data structures...
155
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PRESENCE
1998
15 years 7 months ago
1998
This paper considers some rst principles that might provide a basis for an objective science of experience (presence or immersion). Dimensions that are considered include classica...
199
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PRESENCE
1998
15 years 7 months ago
1998
An alternative view of presence is introduced based on existential philosophy and ecological psychology. This view favors a Heideggerian/Gibsonian metaphysic over the more convent...
282
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GREC
2009
Springer
15 years 5 months ago
2009
Springer
In this paper we present a method to robustly detect circular arcs in a line drawing image. The method is fast, robust and very reliable, and is capable of assessing the quality of...