Optically Non-Contact Cross-Country Skiing Action Recognition Based on Key-Point Collaborative Estimation and Motion Feature Extraction.
Jiashuo QiDongguang LiJian HeYu WangPublished in: Sensors (2023)
Keyphrases
- action recognition
- keypoints
- recognizing human actions
- recognition of human actions
- feature extraction
- static images
- human movements
- action recognition in videos
- motion features
- human actions
- bag of words
- view invariant
- action primitives
- action classification
- mid level
- human detection
- image matching
- computer vision
- activity recognition
- motion capture data
- motion history images
- object recognition
- multiscale
- body parts
- motion estimation
- image features
- face recognition
- visual words
- scale space
- feature detection
- image sequences
- image processing
- image classification
- feature space
- optical flow
- scale invariant feature transform
- bag of features
- motion analysis
- action detection
- human motion
- global features
- human pose
- motion model
- space time
- feature selection
- human activity recognition
- sift descriptors
- motion capture
- motion patterns
- human activities
- feature vectors