According to the characteristics of spatial data sets, this paper proposes an outlier detection algorithm based on the Space Local Deviation Factor (SLDF).
针对空间数据集的特性，提出一种基于空间局部偏离因子(SLDF)的离群点检测算法。
Firstly, the local gray mean feature and local standard deviation feature were utilized to realize target modeling based on the low SNR characteristic of ir images.
首先，针对红外图像低信噪比的特点，采用局部灰度均值特征及局部标准差特征用于目标建模。
The magnitude deviation is statistically calculated by 746 local earthquakes recorded by DD-1 at Delingha station, and it is found that the magnitudes by DD-1 are smaller.
利用德令哈地震台dd - 1记录到的746个近震，对其测定的震级偏差进行统计计算，发现DD - 1测定的震级偏小。
The algorithm adopts low pass filter to estimate the background and calculates the standard deviation to estimate the fluctuation of background to get the local adaptive detection threshold.
该算法以低通滤波算法估计背景中的低频成分，及图像局部方差估计背景起伏，来计算出局部自适应的目标检测判决门限。
The standard deviation and concentration ratio of local evaluation was used to identify and control collusion attack.
采用基于局部评价标准差、局部评价集中度的方法识别和抑制共谋攻击；
Firstly, a gradient operator based on local standard deviation is performed and potential edge regions are well separated.
首先提出了一种基于标准差的梯度算子，将图像中潜在的边缘区域很好地区分出来；
Firstly, a gradient operator based on local standard deviation is performed and potential edge regions are well separated.
首先提出了一种基于标准差的梯度算子，将图像中潜在的边缘区域很好地区分出来；
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