No KeyPoint.

[zwl995]

Why did I run with the example you provided and get 0 features?

[tdsuper]

Could you please provide more information, such as the output or the screen shot of your running?

[zwl995]

I don't have to code modifications, it is very strange to get the number of feature points is 0, I use a modified version of the blogger is characteristic can be normal, blog link: https://blog.csdn.net/weixin_40331125/article/details/107480678
Code link: https://gitee.com/humfrey/SPHORB

[tdsuper]

@zwl995 You can first check whether the images are read successfully, i.e. whether img1 and img2 are empty matrices.

[zwl995]

images is not empty，my code git down only changed the std namespace related, because the compilation error