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imaq 边缘检测插值问题

    IMAQ找边缘工具  edge tool3 只内置了3种插值方法,如果想使用更高级的插值方法对边缘进行亚像素分析和曲线拟合 ,是使用  “imaq interpolate 1D ”函数 吗,该函数只返回像素值数组,请问要具体怎么使用才能返回更高精度的图像边缘和拟合曲线呢 ?

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