Perceptual image quality assessment combining free-energy principle and sparse representation.
Yutao LiuGuangtao ZhaiXianming LiuDebin ZhaoPublished in: ISCAS (2016)
Keyphrases
- sparse representation
- image quality assessment
- free energy
- quality assessment
- structural similarity
- human visual system
- image quality
- belief propagation
- sparse coding
- natural images
- face recognition
- image classification
- human perception
- approximate inference
- high dimensional data
- quality metrics
- posterior distribution
- signal processing
- image representation
- graphical models
- dimensionality reduction
- computer vision
- test images
- pattern recognition
- feature extraction
- feature vectors