3D Skeletal Gesture Recognition via Sparse Coding of Time-Warping Invariant Riemannian Trajectories.
Xin LiuGuoying ZhaoPublished in: MMM (1) (2019)
Keyphrases
- gesture recognition
- sparse coding
- affine invariant
- dictionary learning
- natural images
- sparse representation
- human computer interaction
- linear combination
- image classification
- hidden markov models
- image representation
- unsupervised learning
- affine transformation
- hand gestures
- generative model
- visual words
- image patches
- multiscale
- feature space
- manifold learning
- moving objects
- object recognition
- user interface
- log euclidean
- higher order
- co occurrence
- object detection
- probabilistic model
- feature vectors
- high dimensional
- shape analysis
- invariant features
- feature extraction
- riemannian metric