Data are compressed by setting an amplitude threshold value that results in decrement of overall computation time.

通过一个设定的振幅门槛值对输入地震数据作压缩，进而减少总的计算时间。

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For the problem of acquiescing in each calculation node for completing tasks, we manage job allocation through monitoring operational progress at each node and setting time threshold value.

同时完善了用户界面。针对默认各个计算节点均能完成任务的问题，本文通过监控各个节点所负担作业的运行进度和设定作业时间阈值来管理作业运行。

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In order to reduce inconvenience of setting threshold value in watermark algorithm, the amount of calculation is reduced to extracting watermark.

为了减少水印算法中设置阈值带来的不便，减少水印提取时的计算量。

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