Adaptive block-wise alphabet reduction scheme for lossless compression of images with sparse and locally sparse histograms.
Atef MasmoudiSonia ZouariAbdelaziz GhribiPublished in: J. Electronic Imaging (2015)
Keyphrases
- block wise
- lossless compression
- lossy compression
- input image
- ground truth
- compression ratio
- high dimensional
- image features
- image compression
- image data
- edge detection
- high compression ratio
- pattern matching
- image classification
- image retrieval
- test images
- object recognition
- sparse representation
- image blocks
- image quality
- rate distortion
- video compression
- order statistics
- continuous tone images