所述比较数据是从所述第一版本的编码后视频和所述至少一个第二版本的编码后视频生成的视频伪像列表、视频文件尺寸、编码参数和元数据中的至少一个。

The comparison data is at least one of a listing of video artifacts, a video file size, encoding parameters and metadata generated from the first and the at least one second version of encoded video.

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