Haar Cascades Emgu CV C# error

Question

I tried using Haar Cascade algorithm for facial detection. However, I got problems in running the code. The error is located in the form and yes, I declared a global variable called haar.

Here is my code:

private void Form1_Load(object sender, EventArgs e)
        {
            capture = new Capture(0);
            haar = new HaarCascade("haarcascade_frontalface_default.xml");
        }

The error is this:

System.DllNotFoundException: 'Unable to load DLL 'cvextern': The specified module could not be found. (Exception from HRESULT: 0x8007007E)'

I really need your help guys. This is for my thesis.

You are using a 3rd party DLL which calculates this ? Did you include that DLL ? And maybe you also need to include the 'cvextern.dll' ? — Stef Heyenrath, Jul 01 '17 at 07:51
Try copying cvextern.dll from ``EmguCV\bin`` to your project output directory. — Abdullah Leghari, Jul 01 '17 at 08:03

score 1 · Answer 1 · answered Jul 05 '17 at 13:00

Have a look at the EmguCV documentation especially the "Open CV unmanaged dll" section Here, you need to copy the "x64" and/or "x86" directories from EmguCV/bin to the root of your application.

If you are running your application from Visual Studio as Debug, it would be MyApp/bin/Debug/ and don't forget to add EmguCV references in your project.

Haar Cascades Emgu CV C# error

1 Answers1