A preprocessing technique for improving the compression performance of JPEG 2000 for images with sparse or locally sparse histograms.
Souha JallouliSonia ZouariAtef MasmoudiWilliam PuechNouri MasmoudiPublished in: EUSIPCO (2017)
Keyphrases
- lossy compression
- preprocessing
- jpeg images
- image data
- image compression
- image features
- sparse representation
- image retrieval
- compression ratio
- image database
- input image
- image quality
- image classification
- compression algorithm
- image descriptors
- image processing
- image transmission
- preprocessing stage
- filtered images
- color histogram
- transform coding
- perceptual quality
- image coding algorithm
- expert group
- bits per pixel