In this paper we propose a new method for human action categorization by using an effective combination of a new 3D gradient descriptor with an optic flow descriptor, to represent spatio-temporal interest points. These points are used to represent video sequences using a bag of spatio-temporal visual words, following the successful results achieved in object and scene classification. We extensively test our approach on the standard KTH and Weizmann actions datasets, showing its validity and good performance. Experimental results outperform state-of-the-art methods, without requiring fine parameter tuning.

Recognizing Human Actions by Fusing Spatio-temporal Appearance and Motion Descriptors / Lamberto, Ballan; Marco, Bertini; Alberto Del, Bimbo; Lorenzo, Seidenari; Serra, Giuseppe. - STAMPA. - (2009), pp. 3569-3572. ((Intervento presentato al convegno IEEE ICIP tenutosi a Cairo, Egypt nel 7-10 Nov. 2009.

Recognizing Human Actions by Fusing Spatio-temporal Appearance and Motion Descriptors

SERRA, GIUSEPPE
2009

Abstract

In this paper we propose a new method for human action categorization by using an effective combination of a new 3D gradient descriptor with an optic flow descriptor, to represent spatio-temporal interest points. These points are used to represent video sequences using a bag of spatio-temporal visual words, following the successful results achieved in object and scene classification. We extensively test our approach on the standard KTH and Weizmann actions datasets, showing its validity and good performance. Experimental results outperform state-of-the-art methods, without requiring fine parameter tuning.
IEEE ICIP
Cairo, Egypt
7-10 Nov. 2009
3569
3572
Lamberto, Ballan; Marco, Bertini; Alberto Del, Bimbo; Lorenzo, Seidenari; Serra, Giuseppe
Recognizing Human Actions by Fusing Spatio-temporal Appearance and Motion Descriptors / Lamberto, Ballan; Marco, Bertini; Alberto Del, Bimbo; Lorenzo, Seidenari; Serra, Giuseppe. - STAMPA. - (2009), pp. 3569-3572. ((Intervento presentato al convegno IEEE ICIP tenutosi a Cairo, Egypt nel 7-10 Nov. 2009.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/979904
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