Thirteen healthy men and women, averaging 62 years old, walked on a treadmill. Then the researchers placed a thin wooden block on the treadmill headed towards them.
13名平均年龄为62岁的健康男性与女性在跑步机上走路，研究人员在他们的脚前放上一块薄木块，这些志愿者们不得不跨过这个木块才能在跑步机上继续走路。
Not averaging watermark values extracted from one block, We use an intelligent method to get the last watermark.
水印的提取不直接取多个系数中水印的平均值，而是采用了一种自学习智能化方法。
Not averaging watermark values extracted from one block, We use an intelligent method to get the last watermark.
水印的提取不直接取多个系数中水印的平均值，而是采用了一种自学习智能化方法。
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