Region-of-interest based H.264 encoder for videophone with a hardware macroblock level face detector.
Tianruo ZhangChen LiuMinghui WangSatoshi GotoPublished in: MMSP (2009)
Keyphrases
- region of interest
- macroblock
- inter frame
- bit rate
- rate distortion
- video coding
- motion vectors
- face detector
- motion estimation
- face detection
- medical images
- bitstream
- reference frame
- coding efficiency
- video compression
- video sequences
- rate control
- selection algorithm
- transform domain
- video codec
- mode selection
- motion compensation
- bit allocation
- rate distortion optimization
- video quality
- detection method
- low complexity
- coding method
- three dimensional
- face tracking
- video coding standard
- distributed video coding
- low bit rate
- computational complexity
- mode decision
- image quality
- bit budget
- bit plane
- image compression
- subband
- video frames
- video surveillance