Sparse Coding of Shape Trajectories for Facial Expression and Action Recognition.
Amor Ben TanfousHassen DriraBoulbaba Ben AmorPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (2020)
Keyphrases
- action recognition
- facial expressions
- sparse coding
- bag of words
- facial expression recognition
- visual words
- sparse representation
- dictionary learning
- natural images
- face recognition
- human actions
- image classification
- linear combination
- computer vision
- activity recognition
- face images
- image representation
- generative model
- human detection
- image patches
- facial features
- video sequences
- human activities
- shape model
- high dimensional
- body parts
- human computer interaction
- denoising
- spatio temporal
- moving objects
- feature space
- human pose
- object categories
- co occurrence
- object recognition
- image sequences