本文提出了通过计算原始视频序列与经过非编系统编辑处理后的序列峰值信噪比(PSNR)的方法，对两种非编系统中常用的高清格式和码率的图像质量进行评价。
An evaluated method is proposed by calculating PSNR between original video sequence and video sequence through two non-linear editing systems from different HD formats and rate in the paper.
高亮度led屏幕越来越多地被广泛使用，但是从计算机上编辑画面后输出到大屏幕的过程比较复杂。
LED screen has been applied widely, but it is complex that images edited by computer are transmitted to LED screen.
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