偏差指数Difference_Index 偏差指数（Difference Index）用来比较结果影像和原始影像偏离的程度，定义结果影像 的偏差指数的表达式为： m i n j j i j i j i x x x...
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指数偏差 bias of index number
The algorithm decomposes image which contains dim and small target information to a series of sub-spaces corresponding to singular value and singular value vector. Then,according to bias index,specific effective singular values are extracted to reconstruct target image for background suppression.
从矩阵的角度出发,通过对原图像进行奇异值分解,将包含弱小目标信息的图像矩阵分解到一系列奇异值和奇异值矢量对应的子空间中,然后通过定义的偏差指数所确定的有效的奇异值来重构图像,从而达到背景抑制的目的。
参考来源 - 基于奇异值分解的红外弱小目标背景抑制·2,447,543篇论文数据，部分数据来源于NoteExpress
应用遥感线性体偏差指数法预测油气藏的局部构造。
Application of residual index of linear bodies to detect the local structure of petroleum reservoir.
该方法要点是利用地理、地貌及地质的线性体偏差指数分析法预测油气田的局部构造。
The residual index analysis method of geographic, geomorphic and geologic linear bodies was used to detect the local structures of petroleum reservoir.
只要修正这一偏差，三位经济学家显示，改进的巨无霸指数就可以很好地在年及年以上时间单位上预测汇率走势。
Once that is done, the three economists show that a reconstituted index is good at predicting real exchange rates over horizons of a year or more.
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