New Pixel-DCT Domain Coding Technique for Object Based and Frame Based Prediction Error.
Ko-Cheung HuiWan-Chi SiuPublished in: ICASSP (2) (2005)
Keyphrases
- prediction error
- dct domain
- inter frame
- compressed domain
- reversible watermarking
- bit rate
- video objects
- motion vectors
- macroblock
- coding efficiency
- video transcoding
- reference frame
- spatial domain
- dct coefficients
- motion estimation
- transform domain
- coding method
- motion compensated
- image blocks
- post processing
- video sequences
- human visual system
- rate distortion
- digital video
- video coding
- compressed images
- bitstream
- coding scheme
- video frames
- visual quality
- discrete cosine transform
- compression efficiency
- blocking artifacts
- video quality
- quadtree
- frequency domain
- preprocessing
- image classification
- low frequency
- motion compensation
- subband
- watermarking scheme
- input image
- high quality