Where can i find dlls for opencv?

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Download opencv for windows from opencv.org

Dlls will be in the bin folder

Do not forget to add the dll folder to your windows system path variable and add correct libraries in your linker options. Tons of guides on google on how to do this.

Added on 31/03/2013

Took the liberty to actually show you which steps to take:

1. Visit the following link: http://sourceforge.net/projects/opencvlibrary/files/opencv-win/2.4.4/OpenCV-2.4.4.exe/download
2. Install it in a preselected openCV folder.
3. Structure should look like image 1, having this tested myself and using it on my windows system.

Looking at that structure it is simple.

• The lib folder contains the folder you have to link in your project settings.
• The bin folder contains all openCV dll's.

You should focus at the build version, using x86 for 32 bit systems and x64 for 64 bit systems.

Then check if your path variable actually contains the openCV bin folder as seen in image 2.

Solution worked for me. I run Anaconda / Python 3.7.4 on Win10 and had installed opencv via some conda package. When trying to load an .avi video created by VLC, I received the error message: "error: (-5:Bad argument) CAP_IMAGES: can't find starting number (in the name of file): ..." After copying the file opencv_ffmpeg3411_64.dll into the \Anaconda3\Lib\site-packages, everything works as expected. Thanks