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沃罗诺伊区域

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垂直平分线

做沃罗诺伊图

https://zhuanlan.zhihu.com/p/83817061

Voronoi Tessellations (datagenetics.com)

Imagine I’m in a desert, and there are two wells where I can obtain water. If I want to go to the nearest well, which well do I visit? Clearly, it depends one where I am standing. It’s possible to draw a line dividing the desert. To the ‘left’ of the line, it’s nearer to go to the well on the well on the ‘left’, to the ‘right’ of the line, it’s closer to go to the well on the ‘right’.

想象我在一个荒漠中，在那有两个水源我可以从那获得水。如果我想要去最近的水源，我应该去哪一个水源? 毫无疑问，这取决于我站在哪里。有可能可以画一条线来将沙漠分开。对于线的左边，线左边的井是靠近这条线的。对于线的右边，线右边的井是靠近这条线的。

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The line dividing which well is nearer is a straight line. Also, if I had infinitely small feet, and I stood anywhere on this line, I’d be equidistant from both of the wells.

这条用来区分那个井是更近的线是一条直线。除此之外，如果我有无穷小的小脚步，我站在这条线上的任意位置，我到两个井的距离是相等的。

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It’s easy to see that dividing line bisects the perpendicular straight line connecting both wells. Additionally, if I drew two circles of any same (arbitrary) radius greater than half the distance between the wells, then they would overlap on this line.

很容易看出这条分界线平分了连接两个井的垂直直线。另外，如果我画两个半径相同(任意)的圆，它们之间的距离大于一半，那么它们就会在这条线上重叠。

德劳内三角形

图像处理的基础包括

  • 彩色空间
  • 滤波
  • 边缘检测
  • 空间描述
  • 图像纹理

MATLAB图像处理

读取

imread(path)

path支持相对路径和绝对路径

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