1. Video Google: A text retrieval approach to object matching in videos;Sivic,2003
2. A spatio-temporal descriptor based on 3D-gradients;Kläser,2008
3. Learning realistic human actions from movies;Laptev,2008
4. Space-time interest points;Laptev,2003
5. An evaluation of bags-of-words and spatio-temporal shapes for action recognition;de Campos,2011