Block artifact is one of major causations which reduce the quality of pictures in video coding, especially at the time of low bit rate.
块效应是视频编码中影响编码质量的一个重要问题，特别在低码率情况下尤为明显。
A component, which is a basic SCA artifact, is the building block of a business application.
组件是指一个基本的SCA工件，是业务应用程序的构建块。
Divide the composite image into overlapped blocks and calculate the measure of each block. The forged area can be effectively exposed by checking inconsistencies of blocking artifact.
然后将待检测图像重叠分块并计算其相应块效应测度，利用块效应不一致性检测篡改区域。
Divide the composite image into overlapped blocks and calculate the measure of each block. The forged area can be effectively exposed by checking inconsistencies of blocking artifact.
然后将待检测图像重叠分块并计算其相应块效应测度，利用块效应不一致性检测篡改区域。
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