Support vector machine approach to fall recognition based on simplified expression of human skeleton action and fast detection of start key frame using torso angle.
Weidong MinLeiyue YaoZhenrong LinLi LiuPublished in: IET Comput. Vis. (2018)
Keyphrases
- key frames
- support vector machine
- video retrieval
- key frame selection
- object recognition
- action units
- static images
- feature vectors
- feature extraction
- video sequences
- human activities
- feature selection
- motion history images
- object detection
- human body
- activity recognition
- video data
- event detection
- multi modal
- video content
- facial expressions
- pose estimation
- upper body
- visual features
- multimedia