Action recognition based on shape features and their correlation

• Autorzy: Gościewska K.
• Języki publikacji: EN

Abstrakty

EN

This paper presents an approach for action recognition based on binary silhouette sequences extracted from consecutive frames of a video. It uses shape descriptors and correlation coefficient to represent and match entire sequences, regardless the number of frames. Each set of binary silhouettes corresponds to one action, such as jumping or waving. The paper provides experimental results on the use of the proposed approach and four shape description algorithms, namely the Two-Dimensional Fourier Descriptor, Generic Fourier Descriptor, Point Distance Histogram and UNL-Fourier Descriptor. The results are analysed in terms of the highest classification accuracy and the smallest shape descriptor size.

Słowa kluczowe

EN

action recognition; shape descriptors; correlation coefficient; silhouette sequences

• Wydawca: Komisja Informatyki Polskiej Akademii Nauk, Oddział w Gdańsku
• Czasopismo: Journal of Theoretical and Applied Computer Science
• Rocznik: 2016
• Tom: Vol. 10, nr 1
• Strony: 11--18
• Opis fizyczny: Bibliogr. 15 poz., rys., tab.

Twórcy

autor

Gościewska K.

• Faculty of Computer Science and Information Technology, West Pomeranian University of Technology, Szczecin, Poland

Bibliografia

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• [8] Gorelick, L., Blank, M., Shechtman, E., Irani, M., Basri, R.: Actions as spacetime shapes. Transactions on Pattern Analysis and Machine Intelligence 29, 2247–2253, 2007.
• [9] Kukharev, G.: Digital Image Processing and Analysis (in Polish). SUT Press, 1998.
• [10] Zhang, D., Lu, G.: Review of shape representation and description techniques. Pattern Recognition 37, 1-19, 2004.
• [11] Yang, M., Kpalma, K., Ronsin, J: A survey of shape feature extraction techniques. In: Yin, P.- Y. (Ed.), Pattern Recognition, pp. 43-90. I-Tech, Vienna, Austria, 2008
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• [13] Frejlichowski, D.: Analiza ogólnego kształtu obiektów wydobytych z obrazów cyfrowych rozpoznawanych z użyciem deskryptora PDH (in Polish). Metody Informatyki Stosowanej, 1/2009, 5-13, 2009.
• [14] Rauber, T.W.: Two dimensional shape description. Technical report, Universidade Nova de Lisboa, Lisoba, Portugal, 1994.
• [15] Blank, M., Gorelick, L., Shechtman, E., Irani, M., Basri, R.: Actions as spacetime shapes. In: The Tenth IEEE International Conference on Computer Vision, pp. 1395–1402, 2005

Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).