Facial Expression Recognition Based on K-SVD Dictionary Learning and OMP Compression Perceptual Reconstruction.
Xiaofang JinZiyi ShaPublished in: CSII (2021)
Keyphrases
- dictionary learning
- facial expression recognition
- image super resolution
- sparse representation
- facial expressions
- sparse coding
- face recognition
- compressive sensing
- human computer interaction
- feature extraction
- facial features
- object category recognition
- human faces
- sparse codes
- image reconstruction
- high resolution
- natural images
- local binary pattern
- facial images
- computer vision
- linear combination
- image representation
- unsupervised learning
- signal processing
- feature space
- object recognition
- multiscale
- image segmentation
- decision trees