D1: Percentage of stereo disparity outliers in first frame
D2: Percentage of stereo disparity outliers in second frame
Fl: Percentage of optical flow outliers
SF: Percentage of scene flow outliers (=outliers in either D0, D1 or Fl)
bg: Percentage of outliers averaged only over background regions(背景)
fg: Percentage of outliers averaged only over foreground regions(前景)
all: Percentage of outliers averaged over all ground truth pixels
end point-errors:abbr. epe(末端点误差):
bad 1-pixel error (% of pixels with end point-errors greater than 1px)