Open loop transcoding using perceptually adaptive requantization of DCT coefficients.
Francesco BertagnolliMatteo LanatiLorenzo FavalliFrancesco GruppiPublished in: MobiMedia (2006)
Keyphrases
- dct domain
- dct coefficients
- open loop
- human visual system
- closed loop
- discrete cosine transform
- transform domain
- compressed domain
- spatial domain
- feedback control
- control system
- post processing
- feature vectors
- digital video
- visual quality
- frequency domain
- low frequency
- inverted pendulum
- pixel domain
- reference frame
- adaptive control
- wavelet domain
- image quality
- real time
- control law
- macroblock
- motion vectors
- jpeg images
- motion estimation
- objective function
- multimedia