On-line action recognition from a continuous stream of actionsis still an open problem with fewer solutions proposedcompared to time-segmented action recognition. The mostchallenging task is to classify the current action while findingits time boundaries at the same time. In this paper wepropose an approach capable of performing on-line actionsegmentation and recognition by means of batteries of HMMtaking into account all the possible time boundaries and actionclasses. A suitable Bayesian normalization is appliedto make observation sequences of different length comparableand computational optimizations are introduce to achievereal-time performances. Results on a well known actiondataset prove the efficacy of the proposed method

An efficient Bayesian framework for on-line action recognition / Vezzani, Roberto; Piccardi, Massimo; Cucchiara, Rita. - STAMPA. - (2009), pp. 3553-3556. ((Intervento presentato al convegno 2009 IEEE International Conference on Image Processing, ICIP 2009 tenutosi a Cairo, Egypt nel November 7-11, 2009 [10.1109/ICIP.2009.5414340].

An efficient Bayesian framework for on-line action recognition

VEZZANI, Roberto;CUCCHIARA, Rita
2009-01-01

Abstract

On-line action recognition from a continuous stream of actionsis still an open problem with fewer solutions proposedcompared to time-segmented action recognition. The mostchallenging task is to classify the current action while findingits time boundaries at the same time. In this paper wepropose an approach capable of performing on-line actionsegmentation and recognition by means of batteries of HMMtaking into account all the possible time boundaries and actionclasses. A suitable Bayesian normalization is appliedto make observation sequences of different length comparableand computational optimizations are introduce to achievereal-time performances. Results on a well known actiondataset prove the efficacy of the proposed method
2009 IEEE International Conference on Image Processing, ICIP 2009
Cairo, Egypt
November 7-11, 2009
3553
3556
Vezzani, Roberto; Piccardi, Massimo; Cucchiara, Rita
An efficient Bayesian framework for on-line action recognition / Vezzani, Roberto; Piccardi, Massimo; Cucchiara, Rita. - STAMPA. - (2009), pp. 3553-3556. ((Intervento presentato al convegno 2009 IEEE International Conference on Image Processing, ICIP 2009 tenutosi a Cairo, Egypt nel November 7-11, 2009 [10.1109/ICIP.2009.5414340].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/631259
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