Keyphrases
- input image
- image database
- image analysis
- image retrieval
- image data
- ccd camera
- color histogram
- lossy compression
- image regions
- edge detection
- photographic images
- image registration
- color images
- color correction
- image classification
- visual appearance
- test images
- image pixels
- viewing angle
- visually pleasing
- three dimensional
- color artifacts
- gray level images
- image features
- pixel intensities
- image collections
- perceptual quality
- digital imaging
- image indexing
- jpeg images
- image compression
- multispectral images
- color quantization
- lighting conditions
- color channels
- skin lesion
- color features
- gradient information
- complex background
- texture information
- compression scheme
- illumination conditions
- video sequences
- face recognition