Keyphrases
- input image
- image pixels
- pixel level
- pixel values
- neighboring pixels
- intensity values
- image data
- single image
- perceptual grouping
- image content
- image frames
- gray value
- pixel wise
- grey level
- homogeneous regions
- adjacent pixels
- multiscale
- image representation
- image retrieval
- image features
- gray level images
- image segmentation
- high resolution
- test images
- segmentation method
- segmentation algorithm
- negative matrix factorization
- edge detection
- image classification
- color components
- feature space
- image synthesis
- edge map
- gray level
- superpixels
- spatial information
- matrix factorization