...模块的常用工具简介4.3 线架构(Wireframe)4.3.1 点(Points)4.3.2 多重点(Points&P1anes Repetition)4.3.3 极值点(Extremum Point)4.3.4 极坐标极值点(Po1ar Extremum Point)4.3.5 直线(1ine)4.3.6 轴线(Axis)4.3.7 折线(Po1y1ine)4.3.8 基准平面(P1ane)4.3.9 投...
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The image subtracting method and the point to arc projection extremum algorithm can derive the pointer and scale marks quickly, and separate the long and short graduation line.
基于差分图像确定投影原点的点弧线投影极值新算法，可快速获取仪表指针和分度线参数，且能区分分度线长短。
This article use the diverse function extremum and the local derivative's definition formula to prove the relation between extremum obtained by the two function and the dollar function at some point.
利用多元函数极值的定义和偏导数的定义公式证明二元函数与一元函数在某点取得极值的关系。
Using this method, the noisy point is determined quickly by looking for the local extremum and the classified markers are made for all pixels of the image.
这种方法通过寻找局部极值快速确定噪声点，并对图像的所有像素做分类标记，处理的过程中只考虑标记为噪声的点，采用邻域内非噪声点的均值作为滤波输出。
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