共 3 条
[1]
A differential geometric approach to representing the human actions[J] . Alper Yilmaz,Mubarak Shah.Computer Vision and Image Understanding . 2007 (3)
[3]
Activity recognition using the velocity histories of tracked keypoints .2 Messing R,Pal C,Kautz H. Proceedings of the IEEE International Conference on Computer Vision . 2009