Action recognition from a distributed representation of pose and appearance

Authors:
S. Maji;L. Bourdev;J. Malik
Affiliations:
Univ. of California at Berkeley, Berkeley, CA, USA;Univ. of California at Berkeley, Berkeley, CA, USA;Univ. of California at Berkeley, Berkeley, CA, USA
Venue:
CVPR '11 Proceedings of the 2011 IEEE Conference on Computer Vision and Pattern Recognition
Year:
2011

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Abstract

We present a distributed representation of pose and appearance of people called the "poselet activation vector". First we show that this representation can be used to estimate the pose of people defined by the 3D orientations of the head and torso in the challenging PASCAL VOC 2010 person detection dataset. Our method is robust to clutter, aspect and viewpoint variation and works even when body parts like faces and limbs are occluded or hard to localize. We combine this representation with other sources of information like interaction with objects and other people in the image and use it for action recognition. We report competitive results on the PASCAL VOC 2010 static image action classification challenge.