C++ opencv返回一幅图像返回以及vector作为函数返回值用法

C++ opencv返回一幅图像返回

https://blog.csdn.net/mao_hui_fei/article/details/109349244

vector作为函数返回值用法
https://blog.csdn.net/weixin_38285131/article/details/79474579

参考：
https://blog.csdn.net/mao_hui_fei/article/details/109349244
https://blog.csdn.net/weixin_38285131/article/details/79474579