1. Human activity analysis;Aggarwal;ACM Comput. Surv.,2011
2. Recognizing human actions: a local SVM approach;Schuldt,2004
3. What are they doing?: collective activity classification using spatio-temporal relationship among people;Choi,2009
4. Crowd saliency detection via global similarity structure;Lim,2014
5. Retrieving actions in group contexts;Lan,2012