Unsupervised learning of space-time symmetric patterns in RGB-D videos for 4D human activity detection.
Yun-Jue ChenShyi-Chyi ChengChen-Kuai YangPublished in: ISCIT (2017)
Keyphrases
- space time
- activity detection
- unsupervised learning
- video sequences
- video representation
- dynamic scenes
- input video
- human actions
- spatial and temporal
- spatio temporal
- temporal domain
- interesting events
- video frames
- motion patterns
- human activities
- sequence matching
- video data
- video database
- video content
- dynamic textures
- scan statistic
- feature selection
- pattern discovery
- model selection
- moving objects
- machine learning
- background subtraction
- sequential patterns
- frequent patterns
- semi supervised
- image sequences