Modeling and Classifying Human Activities From Trajectories Using a Class of Space-Varying Parametric Motion Fields.
Jacinto C. NascimentoJorge S. MarquesJoão Miranda LemosPublished in: IEEE Trans. Image Process. (2013)
Keyphrases
- human activities
- motion field
- human activity recognition
- activity recognition
- moving objects
- sensor data
- human computer interaction
- image sequences
- optical flow
- motion compensation
- flow field
- human interactions
- spatio temporal
- visual surveillance
- motion vectors
- search space
- data assimilation
- human knowledge
- machine learning
- human actions
- space time
- three dimensional
- field of view
- smart environments
- optical flow estimation
- action recognition
- semi supervised
- learning algorithm