Example #1
0
        private void DoWork(object sender, DoWorkEventArgs e)
        {
            var currentProgress  = inputProgressBar.Value;
            var filesProcessed   = 0;
            var totalFilesCount  = 0;
            var inputDirectories = Directory.GetDirectories(inputFolderPath);

            if (inputDirectories.Length == 0)
            {
                throw new Exception("No categories was found!");
            }
            var labels = new string[inputDirectories.Length];

            for (var i = 0; i < inputDirectories.Length; i++)
            {
                labels[i] = inputDirectories[i].Substring(inputFolderPath.Length + 1);
            }
            for (var i = 0; i < inputDirectories.Length; i++)
            {
                if (bw.CancellationPending)
                {
                    e.Cancel = true;
                    return;
                }
                var inputFilePaths = Directory.GetFiles(inputDirectories[i] + "\\", "*." + extension);
                if (inputFilePaths.Length == 0)
                {
                    throw new Exception("No files in category was found!");
                }
                else
                {
                    totalFilesCount += inputFilePaths.Length;
                }
            }
            totalFilesCount *= 2;
            for (var k = 0; k < inputDirectories.Length; k++)
            {
                var inputFilePaths = Directory.GetFiles(inputDirectories[k] + "\\", "*." + extension);
                foreach (var inputFP in inputFilePaths)
                {
                    if (bw.CancellationPending)
                    {
                        e.Cancel = true;
                        return;
                    }
                    if (!ImageProcessor.PrepareImageFromFile(inputFP, width, height, extension))
                    {
                        throw new Exception("Error processing the image!");
                    }
                    filesProcessed += 1;
                    var progress = 100 * filesProcessed / totalFilesCount;
                    if (progress > currentProgress)
                    {
                        bw.ReportProgress(progress);
                    }
                }
            }
            var setFolder = inputFolderPath.Substring(inputFolderPath.LastIndexOf('\\') + 1);

            for (int k = 0; k < inputDirectories.Length; k++)
            {
                var tmpPath        = Path.Combine(Directory.GetCurrentDirectory(), "temp");
                var label          = inputDirectories[k].Substring(inputDirectories[k].LastIndexOf('\\') + 1);
                var inputFilePaths = Directory.GetFiles(Path.Combine(tmpPath, setFolder, label) + "\\", "*." + extension);
                using var fileStream  = File.Open(outputFilePath, FileMode.Append, FileAccess.Write);
                using StreamWriter sw = new StreamWriter(fileStream);
                foreach (var inputFP in inputFilePaths)
                {
                    if (bw.CancellationPending)
                    {
                        e.Cancel = true;
                        return;
                    }
                    var output      = "";
                    var image       = new Bitmap(inputFP);
                    var imageWidth  = image.Width;
                    var imageHeight = image.Height;
                    var partWidth   = imageWidth / int.Parse(Resources.PARTITION);
                    var partHeight  = imageHeight / int.Parse(Resources.PARTITION);
                    for (var j = 0; j < int.Parse(Resources.PARTITION); j++)
                    {
                        for (var i = 0; i < int.Parse(Resources.PARTITION); i++)
                        {
                            var pixels = ImageProcessor.CountBlackPixels(image, i * partWidth, j * partHeight, (i + 1) * partWidth - 1, (j + 1) * partHeight - 1);
                            output += pixels + ",";
                        }
                    }
                    output += labels[k];
                    sw.WriteLine(output);
                    filesProcessed += 1;
                    var progress = 100 * filesProcessed / totalFilesCount;
                    if (progress > currentProgress)
                    {
                        bw.ReportProgress(progress);
                    }
                }
            }
            Directory.Delete(Path.Combine(Directory.GetCurrentDirectory(), "temp", setFolder), true);
        }
Example #2
0
        private void ConvertedDocumentView_Load(object sender, EventArgs e)
        {
            List <Rectangle> tmp = new List <Rectangle>();

            if (template == DocTemplate.PersonEvidence)
            {
                initialImage = Resources.PEF;
            }
            documentWrapper.Size = inputImageSize;
            int width  = owner.ClientSize.Width > inputImageSize.Width + 16 ? inputImageSize.Width : owner.ClientSize.Width - 28;
            int height = owner.ClientSize.Height > inputImageSize.Height + 67 ? inputImageSize.Height + 28 : owner.ClientSize.Height - 75;

            ClientSize  = new Size(width, height);
            MaximumSize = new Size(width + 16, height + 39);
            inputImage  = initialImage.ToImage <Bgr, byte>();
            outputImage = inputImage.Convert <Gray, byte>().ThresholdBinary(new Gray(100), new Gray(255));
            VectorOfVectorOfPoint contours = new VectorOfVectorOfPoint();
            Mat hierarhy = new Mat();

            CvInvoke.FindContours(outputImage, contours, hierarhy, RetrType.Tree, ChainApproxMethod.ChainApproxSimple);
            Dictionary <int, double> contoursDict = new Dictionary <int, double>();

            for (int i = 0; i < contours.Size; i++)
            {
                double area = CvInvoke.ContourArea(contours[i]);
                contoursDict.Add(i, area);
            }

            var items = contoursDict.OrderByDescending(i => i.Value).Skip(1).Take(predictions.Count);

            foreach (var item in items)
            {
                int key = int.Parse(item.Key.ToString());
                tmp.Add(CvInvoke.BoundingRectangle(contours[key]));
            }
            var skipItemsCount = 0;

            tmp.Sort((item1, item2) => item1.Y.CompareTo(item2.Y));
            partitions.ForEach(part => {
                var items = tmp.Skip(skipItemsCount).Take(part).ToList <Rectangle>();
                items.Sort((item1, item2) => item1.X.CompareTo(item2.X));
                skipItemsCount += part;
                foreach (var bbox in items)
                {
                    int w = bbox.Width;
                    int h = bbox.Height;
                    int x = bbox.X + w / 10;
                    int y = bbox.Y + h / 10;
                    w    -= 2 * w / 10;
                    h    -= 2 * h / 10;
                    BBoxes.Add(new Rectangle(x, y, w, h));
                }
            });
            for (int i = 0; i < predictions.Count; i++)
            {
                ImageProcessor.ReplacePrediction(predictions.ElementAt(i).Value, initialImage, BBoxes.ElementAt(i));
            }
            scaleX = (float)inputImageSize.Width / initialImage.Size.Width;
            scaleY = (float)inputImageSize.Height / initialImage.Size.Height;
            documentWrapper.Image = new Bitmap(initialImage, inputImageSize);
            correctArea           = new Region(new Rectangle(new Point(0, 0), documentWrapper.Image.Size));
            tmp = new List <Rectangle>();
            BBoxes.ForEach(bbox =>
            {
                var rect = new Rectangle((int)(bbox.X * scaleX), (int)(bbox.Y * scaleY),
                                         (int)(bbox.Width * scaleX), (int)(bbox.Height * scaleY));
                tmp.Add(rect);
                correctArea.Exclude(rect);
            });
            BBoxesScaled = tmp;
        }