The spatial relationship of DCT coefficients between a block and its sub-blocks.
Jianmin JiangGuocan FengPublished in: IEEE Trans. Signal Process. (2002)
Keyphrases
- dct coefficients
- spatial relationships
- discrete cosine transform
- dct domain
- spatial information
- transform domain
- compressed domain
- image blocks
- image content
- feature vectors
- jpeg images
- low frequency
- frequency domain
- spatial relations
- visual words
- spatial data
- high frequency
- macroblock
- watermarking algorithm
- filter bank
- blocking artifacts
- image data
- spatial databases
- compressed images
- multiresolution