生成Trick文件工具 1.Open command line 2.input tricktest Usage: TrickTest -f -o -i -f source mpeg2 file to trick -o trick output directory -i output file id -m max coding error, default 0 -b max bitrate for trick generate, default 0 mean no

number revers this mean that = 1/x

Mean Square Error used to calculate mean square between two images

单正太分布总体区间估计（均值已知，对方差进行估计）-Single normal distribution population interval estimation (mean is known, estimation of variance)