“去交织”算法性能和效果评估

1、Deinterlaceing performance & quality improvementHualong Jiao09-17-2009Algorithms 1. Linear average ( most fastest ) 2. VLC-X Field motion detect ( slow ) 3. Two-Stages Frame motion detect ( fast ) 4. Hybrid Frame/Field motion detect ( slow )Algorithm 3 and 4 were proposed by usPerformanceSequenc

2、es NameFrame numberresolution08-31-Capture-new01331720 x48004-07-Capture-new22333720 x480Yizhongtian8000720 x480football8000720 x48007-02-Capture-new19000720 x57607-02-Capture-new37500720 x576Test environmentIntel Core 2 Quad CPU Q9650 3.00GHz 1.97GHz,3.25 GB of RAMWindows XP Professional Version 20

3、02PerformanceTest results of single channel with single threadAlgorithms nameTotal time usage( ms )Every frame time usage ( ms )Linear2680.11Vlc-x35341.51Two-stages7030.30Hybird FF36581.57Sequence Name 04-07-Capture-new2* Other sequences have similar result with 04-07-Capture-new2Performance Test re

4、sults of 16 channels with multi-threadSequence Name 04-07-Capture-new2Algorithms nameCPU usageDisable deinterlaceing + H.264 decoding3348%Linear deinterlaceing + H.264 decoding4864%Vlc-x deinterlaceing + H.264 decoding6490%Two-stages deinterlaceing + H.264 decoding5068%Hybird FF deinterlaceing + H.2

5、64 decoding98100%Quality comparisonDisable deinterlaceing (sequence name: 08-31-Capture-new0 )Quality comparisonLinear deinterlaceingQuality comparisonVlc-x deinterlaceingQuality comparisonTwo-stages deinterlaceingQuality comparisonHybird FF deinterlaceingQuality comparisonDisable deinterlaceing (sequence name: bus )Quality comparisonLinear deinterlaceingQuality comparisonVlc-x deinterlaceingQ