Compression of binary facsimile images by preprocessing and color shrinking.
V. Ralph AlgaziPhillip L. KellyRobert R. Estes Jr.Published in: IEEE Trans. Commun. (1990)
Keyphrases
- preprocessing
- input image
- image regions
- visually pleasing
- image data
- image indexing
- image database
- ccd camera
- visual appearance
- image features
- three dimensional
- pixel values
- image retrieval
- image analysis
- outdoor scenes
- gray level images
- multispectral images
- image registration
- photographic images
- image collections
- test images
- preprocessing stage
- color space
- lossy compression
- object recognition
- jpeg images
- digital imaging
- illumination conditions
- color features
- color histogram
- color channels
- compression ratio
- image quality
- image compression
- image classification
- white balance
- color texture
- color artifacts
- block truncation coding
- color correction
- pixel intensities
- color information
- data compression
- human visual system
- spatial information
- color images
- multiresolution