Reducing Artifacts in JPEG Decompression Via a Learned Dictionary.
Huibin ChangMichael K. NgTieyong ZengPublished in: IEEE Trans. Signal Process. (2014)
Keyphrases
- image compression
- compression ratio
- compression algorithm
- compressed images
- compressed domain
- huffman coding
- data compression
- compression scheme
- high quality
- continuous tone images
- image quality
- linear combination
- discrete cosine transform
- high compression ratio
- lossless compression
- learned dictionary
- image patches
- unsupervised learning
- ground truth
- image data
- image processing