The whole feature parameters and local feature of spacial geometric features of road surface are put forward.

提出了表征路面表面空间几何特征的整体特征参数和局部特征参数。

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Instead of traditional background prediction, this method detects infrared small and dim target by judging whether the local grey level surface possesses the two dimension Gauss function feature.

该方法通过判断图像局部灰度包络曲面是否具备二维高斯函数曲面特征实现红外弱小目标检测，不需要进行传统的背景预测。

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