Toward optimal real-time transcoding using requantization in the DCT domain.
Ora GendlerMoshe PoratPublished in: ICIP (2009)
Keyphrases
- dct domain
- spatial domain
- transform domain
- post processing
- digital video
- human visual system
- compressed domain
- discrete cosine transform
- dct coefficients
- image resizing
- low pass filtering
- low frequency
- compressed images
- video transcoding
- quantization step
- image blocks
- jpeg images
- frequency domain
- multimedia
- image quality
- preprocessing
- block dct
- computer vision