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Human activity recognition using overlapping multi-feature descriptor

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2 Author(s)
Cho, S.Y. ; Dept. of Comput. Sci., Yonsei Univ., Seoul, South Korea ; Byun, H.R.

An efficient overlapping multi-feature descriptor and classification scheme for human activity recognition is introduced. The descriptor is constructed by overlapping global feature combinations of multi-frames using a Hankel matrix representation. The descriptor captures the local and temporal information while overcoming the limitations of global features using an overlapping combination scheme. In addition, a random forests classifier is used to cope with noise in the descriptor that can be obtained from no-activity frames in a video. Using this framework, it is shown that the approach outperforms the state-of-the-art methods using the KTH dataset and a much more complex human interaction dataset.

Published in:

Electronics Letters  (Volume:47 ,  Issue: 23 )

Date of Publication:

November 10 2011

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