Analysis of motion vector errors in motion compensated frame rate up conversion

G. Dane, T.Q. Nguyen
The Thrity-Seventh Asilomar Conference on Signals, Systems & Computers, 2003  
Frame rate up conversion methods that employ motion have been proven to provide better image quality compared to non-motion based methods. While motion based methods improve the performance of interpolation; artifacts are introduced in the presence of incorrect motion vectors. In this paper, the effect of motion vector errors on the efficiency of motion compensated frame rate up conversion (MC-FRUC) and temporal interpolation filter is analyzed. The problem of MC-FRUC is investigated by
more » ... g blocks with different motion vector errors as opposed to equal error assumption. A general expression for temporal interpolation filter is derived. To improve the efficiencyof the prediction, it is shown that the'interpolator should be able to switch between uni-directional or bi-directional modes based on the motion vector reliability.
doi:10.1109/acssc.2003.1292242 fatcat:cjiclu5kkbd37lkbrpeon3ubku