tbb.dll not found

Question

I am using cvCanny function in opencv 2.3 it compiles fine,but while executing it gives an error saying 'tbb.dll' not found.

What is the use of this dll and where can I find this??

thanks,

Answer 1

It's part of Intel's Threading Building Blocks library.

You can find a copy of it in your OpenCV install in /build/common/tbb and under the platform and compiler your are using. For example, in c:\OpenCV-2.3.1\build\common\tbb\intel64\vc9