In the improved algorithm, the pre-processed image is smoothed and the proper gradient threshold is set to prevent the generation of insignificant regions.

该改进算法在预处理阶段对图像进行平滑操作并设置适当的梯度阈值，即减少了梯度图像中非重要区域的产生。

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With this method, data collected from the field test were calculated, and the threshold was gained which can be used to determine the generation time of driving fatigue.

运用该方法对现场试验采集的数据进行计算，得到了能够确定驾驶疲劳开始产生时刻的驾驶疲劳度的阈值。

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Based on the direct benefit and cost, the economic threshold of the third generation bollworm was calculated to be 35 eggs per 100 plants for all the levels of soil fertility.

根据防治的直接收益与直接代价，算出了第三代棉铃虫的经济阈值为百株累计卵量35粒，这一阈值可适用于不同肥力水平的地块。

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Let's start reeducation our youngsters in the next generation so we really can return to a threshold of amateur sports that are clean performances.

FORBES: Teaching Athletes To Say No

By storing excess electrical energy that is generated by the dynamo in a capacitor, and getting the spring to unwind only when the capacitor charge falls below a certain threshold, it has proved possible to extend the playing time of the second-generation radio to about an hour.

ECONOMIST: Clockwork technology