Shift-insensitive perceptual feature of quadratic sum of gradient magnitude and LoG signals for image quality assessment and image classification.
Congmin ChenXuanqin MouPublished in: J. Vis. Commun. Image Represent. (2024)
Keyphrases
- image quality assessment
- spatial pooling
- image classification
- gradient magnitude
- structural similarity
- human visual system
- image features
- image quality metrics
- quality assessment
- image quality
- visual perception
- scale space
- human perception
- natural images
- image database
- reduced reference
- edge detection
- spatial pyramid matching
- image representation
- correlation coefficient
- quality metrics
- watershed segmentation
- computer vision
- bag of words
- pairwise
- grey level
- feature extraction
- natural scenes
- edge detector
- visual features
- quality measures
- image gradient
- image analysis
- kullback leibler divergence
- multiscale
- visual words
- visual quality
- feature vectors
- image segmentation