Invariant spaces and cosine transforms DCT - 2 and DCT - 6.
Bozhan ZhechevPublished in: CompSysTech (2004)
Keyphrases
- discrete cosine transform
- transform domain
- dct coefficients
- discrete cosine
- image compression
- lapped transforms
- discrete cosine transforms
- dct domain
- low bit rate
- spatial domain
- affine transformation
- discrete cosine transformation
- jpeg images
- coded images
- multiresolution
- high dimensional
- feature extraction
- image data compression
- visual quality
- linear combination
- digital images
- image blocks
- digital watermark
- image processing
- information retrieval