Generalized Optical Flow based Motion Vector Refinement in AV1.
Keng-Shih LuSarah ParkerDebargha MukherjeePublished in: PCS (2021)
Keyphrases
- motion vectors
- optical flow
- motion estimation
- motion field
- block matching
- frame interpolation
- motion compensation
- video coding
- video sequences
- motion estimation algorithm
- image sequences
- optical flow estimation
- motion compensated frame interpolation
- motion compensated
- macroblock
- motion model
- bit rate
- compressed domain
- reference frame
- computational complexity
- motion parameters
- flow field
- motion estimates
- coding efficiency
- video compression
- block size
- rate distortion
- vector field
- overlapped block motion compensation
- prediction error
- error concealment
- video data
- ego motion
- inter frame
- feature tracking
- camera motion
- audio visual
- real time
- image motion
- disparity estimation
- d scene
- diamond search
- search range
- three dimensional
- moving objects
- frame rate
- phase correlation
- distributed video coding