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我无法理解.at<_tp>openCV 中的含义。
.at<_tp>
at是Mat类的一个方法,它返回对指定元素的引用。尖括号内的参数是矩阵的元素类型。
H例如,要将类型矩阵中位置 (1,2) 的元素设置int为3,您可以:
H
int
3
H.at<int>(1,2)=3;