Quality-optimized encoding of JPEG images using transform domain sparsification.
Junichi IshidaGene CheungAkira KubotaAntonio OrtegaPublished in: MMSP (2012)
Keyphrases
- transform domain
- jpeg images
- discrete cosine transform
- spatial domain
- dct coefficients
- dct domain
- frequency domain
- high quality
- data hiding
- jpeg compression
- image blocks
- wavelet domain
- compressed images
- quality assessment
- motion estimation
- high frequency
- image quality
- image compression
- wavelet transform
- feature vectors
- multiscale