david cairns's profile - activity

I have tried this :- BOOL CScannedDocTestDoc::OnOpenDocument(LPCTSTR lpszPathName) { m_Image.Destroy(); HRESULT

skew angel correction using java I read the tutorial about skew angel correction in this site. but i need to convert tho

Glare detection in image Hi all, i'm trying to detect glare in image using opencv 3.3.1 in my android application. i am

Hi all,

i'm trying to detect glare in image using opencv 3.3.1 in my android application. i am use GaussianBlur and than using MinMaxLocResult get the min and max value of the glare. it's working find but sometime if background is black and image does not contain any glare also detect glare.

Here the code :-

   public Mat onCameraFrame(CameraBridgeViewBase.CvCameraViewFrame inputFrame) 
   {
    final Mat Rgba = inputFrame.rgba();
    Mat grayScaleGaussianBlur = new Mat();
    Imgproc.cvtColor(Rgba , grayScaleGaussianBlur, Imgproc.COLOR_BGR2GRAY);
    Imgproc.GaussianBlur(grayScaleGaussianBlur, grayScaleGaussianBlur, new Size(5, 5), 0);

    Core.MinMaxLocResult minMaxLocResultBlur = Core.minMaxLoc(grayScaleGaussianBlur);

    final double maxval = minMaxLocResultBlur.maxVal;
    final double minval = minMaxLocResultBlur.minVal;


    if (maxval >= 253.0 && minval > 0.0 && minval < 20.0) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                try {

                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });

    } else {
        if (popup.isShowing()) {
            runOnUiThread(new Runnable() {

                @Override
                public void run() {

                }
            });

        } else {

            Bitmap rotatedBitmap = Bitmap.createBitmap(Rgba.cols(), Rgba.rows(), Bitmap.Config.ARGB_8888);
            Utils.matToBitmap(Rgba, rotatedBitmap);
        }
    }

above snippet of code is right what actual problem you face?

anyone have an idea about this issue???

Glare detection in image Hi all, i'm trying to detect glare in image using opencv 3.3.1 in my android application. i am

Glare detection in image Hi all, i'm trying to detect glare in image using opencv 3.3.1 in my android application. i am