Keyphrases
- dct domain
- post processing
- spatial domain
- transform domain
- human visual system
- compressed domain
- digital video
- dct coefficients
- low pass filtering
- compressed images
- discrete cosine transform
- image resizing
- low frequency
- video transcoding
- reference frame
- jpeg compressed images
- quantization step
- frequency domain
- wavelet domain
- high quality
- visual information
- rate distortion
- image quality