Document Image Quality Assessment Using Discriminative Sparse Representation.
Xujun PengHuaigu CaoPrem NatarajanPublished in: DAS (2016)
Keyphrases
- sparse representation
- image quality assessment
- sparse codes
- dictionary learning
- sparse coding
- quality assessment
- structural similarity
- image quality
- human visual system
- image patches
- signal processing
- face recognition
- image database
- image classification
- natural images
- correlation coefficient
- image representation
- quality evaluation
- high dimensional data
- dimensionality reduction
- semi supervised
- visual perception
- keywords
- human perception
- test images
- machine learning
- pairwise
- feature selection
- visual information
- visual quality
- image processing
- feature extraction