基于MATLAB的空心散点检测

slandarer 发布时间：2021-08-31 20:42:44 ，浏览量：0

问题描述：

有一张这样的图片，如何提取里面的红色圈圈坐标，并且连接这些坐标形成两个封闭的环路？在这里插入图片描述

过程展示

图像导入

oriPic=imread('test1.png');

subplot(2,2,1)
imshow(oriPic)

依据RGB值图像二值化

原理就是图中颜色种类比较少，只有红黑白，而红色和白色都是R通道数值较大，因此我们可以利用这一点进行图像分割

% 删除红色外的部分并构造二值图
grayPic=rgb2gray(oriPic);
grayPic(oriPic(:,:,1)


    
        
        
        
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