模板匹配

说明：R表示结果图像，T表示模板图像，I表示输入图像，x,y表示在输入图像中的坐标，x’,y’表示在输入图像中的坐标

• 平方差匹配法CV_TM_SQDIFF

\[R(x,y)=\sum_{x',y'}[T(x',y')-I(x+x',y+y')]^2\]

• 归一化平方差匹配法CV_TM_SQDIFF_NORMED

\[R(x,y)=\frac{\sum_{x',y'}[T(x',y')-I(x+x',y+y')]^2}{\sqrt{\sum_{x',y'}T(x',y')^2}\sqrt{\sum_{x',y'}I(x+x',y+y')^2}}\]

• 相关匹配法CV_TM_CCORR

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• 归一化相关匹配法CV_TM_CCORR_NORMED

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• 相关系数匹配法CV_TM_CCOEFF

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• 归一化相关系数匹配法CV_TM_CCOEFF_NORMED

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