/// <summary> /// Detects and recognizes cards from source image /// </summary> /// <param name="source">Source image to be scanned</param> /// <returns>Recognized Cards</returns> public CardCollection Recognize(Bitmap source) { CardCollection collection = new CardCollection(); //Collection that will hold cards Bitmap temp = source.Clone() as Bitmap; //Clone image to keep original image FiltersSequence seq = new FiltersSequence(); seq.Add(Grayscale.CommonAlgorithms.BT709); //First add grayScaling filter seq.Add(new OtsuThreshold()); //Then add binarization(thresholding) filter temp = seq.Apply(source); // Apply filters on source image //Extract blobs from image whose size width and height larger than 150 BlobCounter extractor = new BlobCounter(); extractor.FilterBlobs = true; extractor.MinWidth = extractor.MinHeight = 150; extractor.MaxWidth = extractor.MaxHeight = 350; extractor.ProcessImage(temp); //Will be used transform(extract) cards on source image QuadrilateralTransformation quadTransformer = new QuadrilateralTransformation(); //Will be used resize(scaling) cards ResizeBilinear resizer = new ResizeBilinear(CardWidth, CardHeight); foreach (Blob blob in extractor.GetObjectsInformation()) { //Get Edge points of card List<IntPoint> edgePoints = extractor.GetBlobsEdgePoints(blob); //Calculate/Find corners of card on source image from edge points List<IntPoint> corners = PointsCloud.FindQuadrilateralCorners(edgePoints); quadTransformer.SourceQuadrilateral = corners; //Set corners for transforming card quadTransformer.AutomaticSizeCalculaton = true; Bitmap cardImg = quadTransformer.Apply(source); //Extract(transform) card image if (cardImg.Width > cardImg.Height) //If card is positioned horizontally cardImg.RotateFlip(RotateFlipType.Rotate90FlipNone); //Rotate cardImg = resizer.Apply(cardImg); //Normalize card size Card card = new Card(cardImg, corners.ToArray()); //Create Card Object bool faceCard = IsFaceCard(cardImg); //Determine type of card(face or not) ResizeBicubic res; seq.Clear(); seq.Add(Grayscale.CommonAlgorithms.BT709); seq.Add(new OtsuThreshold()); Bitmap topLeftSuit = card.GetTopLeftSuitPart(); Bitmap bmp = seq.Apply(topLeftSuit); bmp = CutWhiteSpaces(bmp); res = new ResizeBicubic(32, 40); bmp = res.Apply(bmp); Bitmap topLeftRank = card.GetTopLeftRankPart(); Bitmap bmp2 = seq.Apply(topLeftRank); bmp2 = CutWhiteSpaces(bmp2); seq.Clear(); seq.Add(new OtsuThreshold()); bmp = seq.Apply(bmp); card.Suit = ScanSuit(bmp); if (!faceCard) { res = new ResizeBicubic(26, 40); bmp2 = res.Apply(bmp2); seq.Clear(); seq.Add(new OtsuThreshold()); bmp2 = seq.Apply(bmp2); card.Rank = ScanRank(bmp2); } else { res = new ResizeBicubic(32, 40); bmp2 = res.Apply(bmp2); seq.Clear(); seq.Add(new OtsuThreshold()); bmp2 = seq.Apply(bmp2); card.Rank = ScanFaceRank(bmp2); } collection.Add(card); //Add card to collection } return collection; }
public Button RecognizeOneButton(Bitmap source, Rectangle rect, string filePath, int id) { var seq = new FiltersSequence(); var card = new Button(source); //Create Card Object card.Rect = rect; seq.Clear(); seq.Add(Grayscale.CommonAlgorithms.BT709); seq.Add(new OtsuThreshold()); source = seq.Apply(source); card.Tip = ScanButtonTip(source); //Scan Rank of non-face card //if (card.Tip == ButtonTip.NOT_RECOGNIZED) //{ // if (!string.IsNullOrEmpty(filePath)) // { // while (File.Exists(filePath + id + ".bmp")) // id++; // top.Save(filePath + id + ".bmp", ImageFormat.Bmp); // } //} return card; }
/// <summary> /// Detects and recognizes cards from source image /// </summary> /// <param name="source">Source image to be scanned</param> /// <returns>Recognized Cards</returns> public CardCollection Recognize(Bitmap source, int counter) { CardCollection collection = new CardCollection(); //Collection that will hold cards Bitmap temp = source.Clone() as Bitmap; //Clone image to keep original image FiltersSequence seq = new FiltersSequence(); seq.Add(Grayscale.CommonAlgorithms.BT709); //First add grayScaling filter seq.Add(new OtsuThreshold()); //Then add binarization(thresholding) filter temp = seq.Apply(source); // Apply filters on source image //Extract blobs from image whose size width and height larger than 150 BlobCounter extractor = new BlobCounter(); extractor.FilterBlobs = true; extractor.MinWidth = extractor.MinHeight = 150; extractor.MaxWidth = extractor.MaxHeight = 350; extractor.ProcessImage(temp); //Will be used transform(extract) cards on source image QuadrilateralTransformation quadTransformer = new QuadrilateralTransformation(); //Will be used resize(scaling) cards ResizeBilinear resizer = new ResizeBilinear(CardWidth, CardHeight); Blob[] blobs = extractor.GetObjectsInformation(); foreach (Blob blob in blobs) { //Get Edge points of card List<IntPoint> edgePoints = extractor.GetBlobsEdgePoints(blob); //Calculate/Find corners of card on source image from edge points List<IntPoint> corners = PointsCloud.FindQuadrilateralCorners(edgePoints); //foreach (IntPoint ip in corners) //{ // Console.WriteLine(ip.X+","+ip.Y); //} quadTransformer.SourceQuadrilateral = corners; //Set corners for transforming card quadTransformer.AutomaticSizeCalculaton = true; Bitmap cardImg = quadTransformer.Apply(source); //Extract(transform) card image if (cardImg.Width > cardImg.Height) //If card is positioned horizontally cardImg.RotateFlip(RotateFlipType.Rotate90FlipNone); //Rotate cardImg = resizer.Apply(cardImg); //Normalize card size Card card = new Card(cardImg, corners.ToArray()); //Create Card Object char color = ScanColor(card.GetTopRightPart()); //Scan color bool faceCard = IsFaceCard(cardImg); //Determine type of card(face or not) if (!faceCard) { card.Suit = ScanSuit(cardImg, color); //Scan Suit of non-face card card.Rank = ScanRank(cardImg); //Scan Rank of non-face card } else { Bitmap topRight = card.GetTopRightPart(); seq.Clear(); seq.Add(Grayscale.CommonAlgorithms.BT709); seq.Add(new BradleyLocalThresholding()); topRight = seq.Apply(topRight); BlobsFiltering bFilter = new BlobsFiltering(5, 5, 150, 150); bFilter.ApplyInPlace(topRight); //Filter blobs that can not be a suit card.Suit = ScanFaceSuit(topRight, color); //Scan suit of face card card.Rank = ScanFaceRank(topRight); //Scan rank of face card } collection.Add(card); //Add card to collection } return collection; }
/// <summary> /// Detects and recognizes cards from source image /// </summary> /// <param name="source">Source image to be scanned</param> /// <returns>Recognized Cards</returns> public CardCollection Recognize(Bitmap source, string filePath, int id, int minSize, Rectangle suitRect, Rectangle rankRect ) { CardCollection collection = new CardCollection(); //Collection that will hold cards Bitmap temp = source.Clone() as Bitmap; //Clone image to keep original image FiltersSequence seq = new FiltersSequence(); seq.Add(Grayscale.CommonAlgorithms.BT709); //First add grayScaling filter seq.Add(new OtsuThreshold()); //Then add binarization(thresholding) filter temp = seq.Apply(source); // Apply filters on source image //if (!string.IsNullOrEmpty(fileName)) //{ // temp.Save(fileName, ImageFormat.Bmp); //} //Extract blobs from image whose size width and height larger than 150 BlobCounter extractor = new BlobCounter(); extractor.FilterBlobs = true; extractor.MinWidth = extractor.MinHeight = minSize;//TODO card size //extractor.MaxWidth = extractor.MaxHeight = 70;//TODO card size extractor.ProcessImage(temp); //Will be used transform(extract) cards on source image //QuadrilateralTransformation quadTransformer = new QuadrilateralTransformation(); foreach (Blob blob in extractor.GetObjectsInformation()) { var cardImg = source.Clone(blob.Rectangle, PixelFormat.DontCare); Card card = new Card(cardImg); //Create Card Object Bitmap suitBmp = card.GetPart(suitRect); char color = ScanColor(suitBmp); //Scan color seq.Clear(); seq.Add(Grayscale.CommonAlgorithms.BT709); seq.Add(new OtsuThreshold()); suitBmp = seq.Apply(suitBmp); card.Suit = ScanSuit(suitBmp, color); //Scan suit of face card Bitmap rankBmp = card.GetPart(rankRect); seq.Clear(); seq.Add(Grayscale.CommonAlgorithms.BT709); seq.Add(new OtsuThreshold()); rankBmp = seq.Apply(rankBmp); //var ext = new BlobsFiltering(0, 0, 40, 40); //ext.ApplyInPlace(rankBmp); card.Rank = ScanRank(rankBmp); //Scan Rank of non-face card //if (card.Rank == Rank.NOT_RECOGNIZED) //{ // if (!string.IsNullOrEmpty(filePath)) // { // while (File.Exists(filePath + id + ".bmp")) // id++; // top.Save(filePath + id + ".bmp", ImageFormat.Bmp); // } //} if(card.Rank != Rank.NOT_RECOGNIZED && card.Suit != Suit.NOT_RECOGNIZED) collection.Add(card); //Add card to collection } collection.SortByRank(); return collection; }