Esempio n. 1
0
        private void MatchImage(String Filename, bool add)
        {
            ErrorTB.Text     = "";
            lblExpected.Text = Filename.Substring(0, 6);

            //*************************************//
            //** load and display original image **//
            //*************************************//
            Bitmap bm;

            bm = new Bitmap(Filename);
            RGB888Image plateImage = VisionLabEx.BitmapToJL(bm);

            VisionLabEx.DisplayImage(plateImage, imgOrig);

            //****************//
            //** Find plate **//
            //****************//
            Int32Image binaryPlateImage = new Int32Image();

            if (!LicensePlateMatcher.FindPlate(plateImage, ref binaryPlateImage))
            {
                VisionLabEx.DisplayImage(binaryPlateImage, imgPlateBin, true, true);
                lblLexiconResult.Text = "";
                if (add)
                {
                    lstFindPlateErr.Items.Add(Filename);
                    lblFindPlateErrCount.Text = lstFindPlateErr.Items.Count.ToString();
                }
                ClearResultLabels();
                return;
            }
            VisionLabEx.DisplayImage(binaryPlateImage, imgPlateBin, true, true);
            //**
            //** Enable this to display blob measurements to debug output
            //**
            DisplayBlobs(binaryPlateImage);

            //*******************//
            //** Rectify plate **//
            //*******************//
            Int32Image binaryCharacterImage = new Int32Image();

            if (!LicensePlateMatcher.FindCharacters(plateImage, binaryPlateImage, ref binaryCharacterImage))
            {
                if (imgRectifiedPlate.Image != null)
                {
                    imgRectifiedPlate.Image.Dispose();
                }
                imgRectifiedPlate.Image = null;
                lblLexiconResult.Text   = "";
                if (add)
                {
                    lstRectifyPlateErr.Items.Add(Filename);
                    lblRectfyPlateErrCount.Text = lstRectifyPlateErr.Items.Count.ToString();
                }
                ClearResultLabels();
                return;
            }
            VisionLabEx.DisplayImage(binaryCharacterImage, imgRectifiedPlate, true, true);
            //**
            //** Enable this to display blob measurements to debug output
            //**
            DisplayBlobs(binaryCharacterImage);

            //*****************//
            //** Match Plate **//
            //*****************//
            LicensePlate result        = new LicensePlate();
            LicensePlate lexiconResult = new LicensePlate();

            if (!LicensePlateMatcher.MatchPlate(binaryCharacterImage, blobMatcher, lexicon, ref result, ref lexiconResult))
            {
                lblLexiconResult.Text = "";
                if (add)
                {
                    lstMatchPlateErr.Items.Add(Filename);
                    lblMatchPlateErrCount.Text = lstMatchPlateErr.Items.Count.ToString();
                }
                ClearResultLabels();
                return;
            }

            //*********************//
            //** Process results **//
            //*********************//
            ProcessResults(result, lexiconResult, Filename, (double)nupConfidence.Value / 100, add);

            bm.Dispose();
            plateImage.Dispose();
            binaryPlateImage.Dispose();
            binaryCharacterImage.Dispose();

            //Force a garbage collect to prevens malloc errors from unmanaged code.
            GC.Collect();
        }
        private void MatchImage(String Filename, bool add)
        {
            ErrorTB.Text     = "";
            lblExpected.Text = Filename.Substring(0, 6);

            //*************************************//
            //** load and display original image **//
            //*************************************//
            Bitmap bm;

            bm = new Bitmap(Filename);
            RGB888Image plateImage = VisionLabEx.BitmapToJL(bm);

            DisplayImage(plateImage, imgOrig);

            //****************//
            //** Find plate **//
            //****************//
            Int16Image binaryPlateImage = new Int16Image();

            if (!LicensePlateMatcher.FindPlate(plateImage, ref binaryPlateImage, TresholdConditions.NORMAAL) &&
                !LicensePlateMatcher.FindPlate(plateImage, ref binaryPlateImage, TresholdConditions.OVERBELICHT) &&
                !LicensePlateMatcher.FindPlate(plateImage, ref binaryPlateImage, TresholdConditions.ONDERBELICHT))
            {
                DisplayImage(binaryPlateImage, imgPlateBin, true, true);
                lblLexiconResult.Text = "";
                if (add)
                {
                    lstFindPlateErr.Items.Add(Filename);
                    lblFindPlateErrCount.Text = lstFindPlateErr.Items.Count.ToString();
                }
                ClearResultLabels();
                return;
            }
            DisplayImage(binaryPlateImage, imgPlateBin, true, true);

            //*******************//
            //** Rectify plate **//
            //*******************//
            Int16Image binaryRectifiedImage = new Int16Image();

            do
            {
                // Check if we can find the plate
                if (LicensePlateMatcher.FindCharacters(plateImage, binaryPlateImage, ref binaryRectifiedImage))
                {
                    // if so we are done
                    break;
                }
                else
                {
                    // ************************************
                    // **  Find the biggest blob in the  **
                    // **  image and remove that one     **
                    // ************************************
                    VisionLab.LabelBlobs(binaryPlateImage, Connected.EightConnected);
                    vector_BlobAnalyse ba_vec = new vector_BlobAnalyse();
                    ba_vec.Add(BlobAnalyse.BA_Area);
                    vector_Blob blobs = new vector_Blob();
                    VisionLab.BlobAnalysis(binaryPlateImage, VisionLab.VectorToSet_BlobAnalyse(ba_vec), VisionLab.MaxPixel(binaryPlateImage), blobs);
                    int biggestArea = 0;
                    foreach (Blob ba in blobs)
                    {
                        if (ba.Area() > biggestArea)
                        {
                            biggestArea = ba.Area();
                        }
                    }
                    VisionLab.RemoveBlobs(binaryPlateImage, Connected.EightConnected, BlobAnalyse.BA_Area, biggestArea - 1, biggestArea + 1);
                }
            } // Repeat this until there is nothing left
            while (VisionLab.SumIntPixels(binaryPlateImage) > 0);

            // If that is so it wasn't found
            if (VisionLab.SumIntPixels(binaryPlateImage) == 0)
            {
                // So do all this
                if (imgRectifiedPlate.Image != null)
                {
                    imgRectifiedPlate.Image.Dispose();
                }
                imgRectifiedPlate.Image = null;
                lblLexiconResult.Text   = "";
                if (add)
                {
                    lstRectifyPlateErr.Items.Add(Filename);
                    lblRectfyPlateErrCount.Text = lstRectifyPlateErr.Items.Count.ToString();
                }
                ClearResultLabels();
                return;
            }

            DisplayImage(binaryRectifiedImage, imgRectifiedPlate, true, true);


            //*****************//
            //** Match Plate **//
            //*****************//
            LicensePlate result        = new LicensePlate();
            LicensePlate lexiconResult = new LicensePlate();

            if (!LicensePlateMatcher.MatchPlate(binaryRectifiedImage, blobMatcher, lexicon, ref result, ref lexiconResult, false))
            {
                lblLexiconResult.Text = "";
                if (add)
                {
                    lstMatchPlateErr.Items.Add(Filename);
                    lblMatchPlateErrCount.Text = lstMatchPlateErr.Items.Count.ToString();
                }
                ClearResultLabels();
                return;
            }
            // Extra way to up confidence perhaps
            if (result.characters != null && result.confidence < (double)nupConfidence.Value / 100)
            {
                LicensePlateMatcher.MatchPlate(binaryRectifiedImage, blobMatcher, lexicon, ref result, ref lexiconResult, true);
            }

            //*********************//
            //** Process results **//
            //*********************//
            ProcessResults(result, lexiconResult, Filename, (double)nupConfidence.Value / 100, add);

            bm.Dispose();
            plateImage.Dispose();
            binaryPlateImage.Dispose();
            binaryRectifiedImage.Dispose();

            //Force a garbage collect to prevens malloc errors from unmanaged code.
            GC.Collect();
        }