Fast algorithms for DCT-domain image downsampling and for inverse motion compensation.
Neri MerhavVasudev BhaskaranPublished in: IEEE Trans. Circuits Syst. Video Technol. (1997)
Keyphrases
- motion compensation
- dct domain
- low pass filtering
- motion estimation
- multiscale
- image data
- dct coefficients
- block matching
- image blocks
- video transcoding
- image resizing
- input image
- motion compensated
- video compression
- digital video
- block dct
- motion field
- video coding
- motion vectors
- post processing
- blocking artifacts
- reference frame
- transform domain
- image segmentation
- image interpolation
- discrete cosine transform
- image processing
- compressed images
- preprocessing
- computational complexity
- spatial domain
- low frequency