A new filter algorithm named K neighborhood adaptive filter is proposed here for smoothing strong impulse disturbance in the difference image.

针对运动景物在差分图像中产生强脉冲干扰的特点，提出K邻域自适应滤波算法；

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We used Logarithmic Distance Path Loss Model to locate after LANDMARC and filter reference labels of TOP K second time. Finally we promoted the precision of location.

本文引入对数距离路径损耗模型作为LANDMARC的补充进行二次定位，通过对TOP K参考标签进行二次筛选，来实现定位精确度的提升。

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Not completely, but tests at labs in the U.S. and the U.K. did conclude that the Filligent Generation 3 filter reduces cancer-causing DNA mutations by 40% to 75%.

FORBES: Designing A Safer Cigarette