opencv之轮廓周围绘制矩形框和圆形框
轮廓周围绘制矩形框和圆形框在图片轮廓之外,绘制标准矩形或圆形进行标注相关函数API多边拟合函数APIvoid approxPolyDP(InputArray curve, OutputArray approxCurve, double epsilon, bool closed) 函数功能基于RDP算法实现,目的是减少多边形轮廓的点数,加快运算效率,对图像轮...