Enlargement and reduction of image/video via discrete cosine transform pair, part 2: reduction.
Shu-Mei GuoChen-Bang LiChia-Wei ChenYueh-Ching LiaoJason Sheng-Hong TsaiPublished in: J. Electronic Imaging (2007)
Keyphrases
- discrete cosine transform
- jpeg images
- image blocks
- blocking artifacts
- discrete fourier transform
- image data
- image segmentation
- image compression
- multiscale
- high resolution
- transform domain
- coded images
- compressed images
- dct coefficients
- post processing
- multimedia
- image processing
- projection onto convex sets
- spatial domain
- video data
- wavelet transform
- similarity measure
- image sequences