Dense Optical Flow Trajectory-Based Human Activity Recognition Using Hierarchical Hidden Markov Model.
Deba Prasad DashMaheshkumar H. KolekarPublished in: CVIP (2) (2017)
Keyphrases
- human activities
- dense optical flow
- hierarchical hidden markov model
- optical flow computation
- hidden markov models
- activity recognition
- optical flow
- human activity recognition
- sensor data
- human computer interaction
- action recognition
- moving objects
- human actions
- lecture videos
- motion estimation
- feature space
- piecewise smooth
- optical flow estimation
- event detection
- sensor networks