Action Recognition and Activity Understanding:A Review
Yuanyuan Cao · 2009
As the Human-centered computing is getting more popular and novel applications are evolving,action recognition and activity understanding are attracting researchers in the field of computer vision.In this paper,we review the state-of-the-art work on action and activity analysis with focus on three parts: Definition of activity,low-level motion features extraction and action representation,and reasoning method for activity understanding.Furthermore,open problems for future research and potential directions are discussed.