vs2017+opencv3.4.3报错 OpenCV Error: Assertion failed (size.width>0 && size.height>0) in imshow
看了好多帖子，都说什么路径问题，要改成绝对路径等等。这固然没错，但是相对路径的话，图片要放在和.cpp文件的同一个文件夹下。 而且，刚买的电脑图片格式没有后缀.jpg，如图所示。但是在代码里要写成1.jpg。 #include <iostream>
using namespace std;
using namespace cv;
int main()
{
//读取本地的一张图片便显示出来
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