A Facial Fatigue Expression Recognition Method Based on Sparse Representation on the Low-Resolution Image.
Ling ZhangXiaolu TianWenchao JiangDongjun NingPublished in: ML4CS (3) (2020)
Keyphrases
- test images
- low resolution
- low resolution images
- image super resolution
- sparse representation
- high resolution
- high resolution images
- low quality images
- super resolution
- face images
- single image super resolution
- expression recognition
- dictionary learning
- face hallucination
- image patches
- face recognition
- multiscale
- facial images
- detection method
- image representation
- image classification
- facial expressions
- high quality
- super resolution algorithm
- similarity measure
- natural images
- sparse coding
- input image
- facial expression recognition
- image features
- image data
- single image
- image matching
- computer vision
- feature points
- feature selection