Quantization/DCT Conversion Scheme for DCT-Domain MPEG-2 to H.264/AVC Transcoding.
Joo-Kyong LeeKi-Dong ChungPublished in: IEICE Trans. Commun. (2005)
Keyphrases
- dct domain
- pixel domain
- coded video
- video transcoding
- compressed domain
- quantization step
- dct coefficients
- discrete cosine transform
- transform domain
- spatial domain
- digital video
- post processing
- human visual system
- compressed images
- video encoder
- bitstream
- low frequency
- compressed video
- bit plane
- blocking artifacts
- jpeg compressed images
- image resizing
- bit rate
- block dct
- video analysis
- frequency domain
- video data
- jpeg compression
- reference frame
- video coding standard
- high frequency
- feature vectors
- computational complexity
- motion estimation
- watermark embedding
- image blocks
- multiscale
- filter bank