用gpu cuda支持编译opencv
[英]compiling opencv with gpu cuda support
问题描述
I am using OpenCV 2.3.1 with CUDA 4.0. 
我正在将OpenCV 2.3.1与CUDA 4.0一起使用。
I have installed the OpenCV 2.3.1 by CMAKE with WITH_CUDA flag on. 我已经通过CMAKE在WITH_CUDA标志打开的情况下安装了OpenCV 2.3.1。 And then I compiled the OpenCV solution in release and debug mode, but still when I used the getCudaEnabledDevice function of CV::GPU it is returning 0. This means it is not detecting the CUDA enabled device. 然后，我在发布和调试模式下编译了OpenCV解决方案，但是当我使用CV::GPU的getCudaEnabledDevice函数时，它仍返回0。这意味着它没有检测到启用CUDA的设备。
It seems that I have done everything right, still what is happening?? 看来我做对了所有事情，还是正在发生什么？？
Can Anybody suggest where can be the problem now??. 有人可以建议现在哪里出问题吗？
Thanks in advance. 提前致谢。
1 个解决方案
解决方案1
1 2012-12-28 10:56:11
I had the same problem. 我有同样的问题。 I fixed it by copying opencv_core243d.dll from E:\\opencv\\build\\gpu\\x64\\vc10\\lib folder to the work directory with the .exe. 我通过将E:\\opencv\\build\\gpu\\x64\\vc10\\lib文件夹中的opencv_core243d.dll复制到带有.exe的工作目录中来进行修复。
Don't know why that should matter but it did. 不知道为什么这很重要，但确实如此。
Using cuda 5.0 使用CUDA 5.0
VS2010 express VS2010 Express
win 7 x64 赢7 x64
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