public override Mat Render(CameraBridgeViewBase.ICvCameraViewFrame inputFrame)
{
Mat undistortedFrame = new Mat(inputFrame.Rgba().Size(), inputFrame.Rgba().Type());
Calib3dNET.Calib3d.Undistort(inputFrame.Rgba(), undistortedFrame,
mCalibrator.getCameraMatrix(), mCalibrator.getDistortionCoefficients());
Mat comparisonFrame = inputFrame.Rgba();
undistortedFrame.ColRange(new Range(0, mWidth / 2)).CopyTo(comparisonFrame.ColRange(new Range(mWidth / 2, mWidth)));
List <MatOfPoint> border = new List <MatOfPoint>();
int shift = (int)(mWidth * 0.005);
border.Add(new MatOfPoint(new Point(mWidth / 2 - shift, 0), new Point(mWidth / 2 + shift, 0),
new Point(mWidth / 2 + shift, mHeight), new Point(mWidth / 2 - shift, mHeight)));
Imgproc.FillPoly(comparisonFrame, border, new Scalar(255, 255, 255));
Imgproc.PutText(comparisonFrame, mResources.GetString(Resource.String.original), new Point(mWidth * 0.1, mHeight * 0.1),
Imgproc.FontHersheySimplex, 1.0, new Scalar(255, 255, 0));
Imgproc.PutText(comparisonFrame, mResources.GetString(Resource.String.undistorted), new Point(mWidth * 0.6, mHeight * 0.1),
Imgproc.FontHersheySimplex, 1.0, new Scalar(255, 255, 0));
return(comparisonFrame);
}
