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CVPR
2011
IEEE
12 years 11 months ago
Activity Recognition using Dynamic Subspace Angles
Cameras are ubiquitous everywhere and hold the promise of significantly changing the way we live and interact with our environment. Human activity recognition is central to under...
Octavia Camps, Mario Sznaier, Binlong Li, Teresa M...
CVPR
2003
IEEE
14 years 9 months ago
Expectation Grammars: Leveraging High-Level Expectations for Activity Recognition
Video-based recognition and prediction of a temporally extended activity can benefit from a detailed description of high-level expectations about the activity. Stochastic grammars...
David Minnen, Irfan A. Essa, Thad Starner
WOWMOM
2009
ACM
180views Multimedia» more  WOWMOM 2009»
14 years 2 months ago
OPPORTUNITY: Towards opportunistic activity and context recognition systems
Opportunistic sensing allows to efficiently collect information about the physical world and the persons behaving in it. This may mainstream human context and activity recognitio...
Daniel Roggen, Kilian Förster, Alberto Calatr...
ICPR
2010
IEEE
14 years 28 days ago
Motif Discovery and Feature Selection for CRF-Based Activity Recognition
Abstract—Due to their ability to model sequential data without making unnecessary independence assumptions, conditional random fields (CRFs) have become an increasingly popular ...
Liyue Zhao, Xi Wang, Gita Sukthankar
PSIVT
2007
Springer
354views Multimedia» more  PSIVT 2007»
14 years 1 months ago
Real-Time Hand Gesture Detection and Recognition Using Boosted Classifiers and Active Learning
In this article a robust and real-time hand gesture detection and recognition system for dynamic environments is proposed. The system is based on the use of boosted classifiers for...
Hardy Francke, Javier Ruiz-del-Solar, Rodrigo Vers...