c++ - Opencv中的第一个项目显示图像，错误..

Question

当我运行 opencv 来显示图像时，我得到了一个类似图像的错误。

字符串索引超出范围：-8

代码来自 Opencv 网站： http ://docs.opencv.org/doc/tutorials/introduction/display_image/display_image.html

Answer 1

Like it is mentioned in the tutorial, you need to call your program by command line with an argument which is the path to your image :

./DisplayImage HappyFish.jpg //From the tutorial

The arguments you pass to an application are stored in argv and counted by argc. The first parameter is always the path of your own application.

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If this don't helps you, you'll need to show us some codes and logs (what is the exact error message, etc.)