Keyphrases
- gray images
- color images
- color information
- binary images
- data compression
- gray level
- black and white
- preprocessing step
- gray value
- edge detection
- color space
- local binary pattern
- color features
- low pass
- computer vision
- gray scale
- single image
- digital images
- multiscale
- feature extraction
- image processing
- compression algorithm
- input image