/// <summary>
/// Calibrates the camera based on the images passed using <see cref="arwCaptureChessboardCorners" />.
/// </summary>
/// <param name="numImages">The number images.</param>
/// <param name="file_name">Name of the file.</param>
/// <param name="xSize">Size of the x.</param>
/// <param name="ySize">Size of the y.</param>
/// <param name="projectErrorResults">The project error for each image.</param>
/// <returns>
/// The average projection error for all images calibrated.
/// </returns>
public float arwCalibChessboardCorners(int numImages, string file_name, out float[] projectErrorResults)
{
projectErrorResults = new float[numImages];
GCHandle handle = GCHandle.Alloc(projectErrorResults, GCHandleType.Pinned);
IntPtr address = handle.AddrOfPinnedObject();
float averageProjectionError = ARNativePlugin.arwCalibChessboardCorners(file_name, address);
handle.Free();
return(averageProjectionError);
}