Concealment of whole-frame losses for wireless low bit-rate video based on multiframe optical flow estimation.
Stefano BelfioreMarco GrangettoEnrico MagliGabriella OlmoPublished in: IEEE Trans. Multim. (2005)
Keyphrases
- low bit rate
- optical flow estimation
- multi frame
- single frame
- video compression
- motion estimation
- video frames
- optical flow
- visual quality
- image compression
- error concealment
- bit rate
- image quality
- multiple frames
- image sequences
- point correspondences
- post processing
- consecutive frames
- motion compensation
- dense optical flow estimation
- super resolution
- motion field
- flow field
- video conferencing
- compression algorithm
- video coding
- motion vectors
- motion analysis
- optical flow fields
- coding method
- video data
- optic flow
- computer vision
- motion model
- computationally efficient
- video quality
- filtering algorithm
- coarse to fine
- velocity field
- frame rate
- video sequences
- multiscale
- low resolution
- model selection
- inter frame
- preprocessing
- computational complexity
- compression ratio