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Action Recognition using Probabilistic Parsing (1998)

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by A. F. Bobick , Y. A. Ivanov
Venue: IEEE CVPR’98
Citations:65 - 5 self
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BibTeX

@MISC{Bobick98actionrecognition,
    author = {A. F. Bobick and Y. A. Ivanov},
    title = { Action Recognition using Probabilistic Parsing},
    year = {1998}
}

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Abstract

A new approach to the recognition of temporal behaviors and activities is presented. The fundamental idea, inspired by work in speech recognition, is to divide the inference problem into two levels. The lower level is performed using standard independent probabilistic temporal event detectors such as hidden Markov models (HMMs) to propose candidate detections of low level temporal features. The outputs of these detectors provide the input stream for a stochastic contextfree grammar parsing mechanism. The grammar and parser provide longer range temporal constraints, disambiguate uncertain low level detections, and allow the inclusion of a priori knowledge about the structure of temporal events in a given domain. To achieve such a system we provide techniques for generating a discrete symbol stream from continuous low level detectors, for enforcing temporal exclusion constraints during parsing, and for generating a control method for low level feature application based upon the current parsing state. We demonstrate the approach in several experiments using both visual and other sensing data.

Citations

1180 Fundamentals of speech recognition - Rabiner - 1993
907 Pfinder: Real-Time Tracking of the Human Body - Wren, Azarbayejani, et al. - 1997
240 Visual recognition of American sign language using hidden Markov models - Starner - 1995
143 Pattern Recognition. Statistical, Structural and Neural Approaches - Schalkoff - 1992
140 Space-time gestures - Darrell, Pentland - 1993
110 Bayesian Learning of Probabilistic Language Models - Stolcke - 1994
105 Basic methods of probabilistic context-free grammars - Jelinek, Lafferty, et al. - 1992
61 A state-based technique for the summarization and recognition of gesture - Bobick, Wilson - 1995
60 Automatic video indexing via object motion analysis - Courtney - 1997
41 action: The role of knowledge in the perception of motion - Movement - 1997
41 Recursive identification of gesture inputs using Hidden Markov Models - Schlenzig, Hunter, et al. - 1994
37 Understanding manipulation in video - Brand
18 A step towards unification of syntactic and statistical pattern recognition - Fu - 1986
11 Attributed grammars - a tool for combining syntatctic and statistical approaches to pattern recognition - Tsai, Fu - 1980
9 The Grammar of Conducting. A Comprehensive Guide to Baton Techniques and Interpretation - Rudolf - 1994
6 Probabilistic parsing in action recognition - Ivanov, Bobick - 1997
5 Statistical Language Learning - unknown authors - 1993
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