C# IplImage.SaveImage方法代碼示例

        public SaveImage()
        {
            using (IplImage img = new IplImage(Const.Image16bit, LoadMode.Color))
            {
                // JPEG quality test
                img.SaveImage("q000.jpg", new JpegEncodingParam(0));
                img.SaveImage("q025.jpg", new JpegEncodingParam(25));
                img.SaveImage("q050.jpg", new JpegEncodingParam(50));
                img.SaveImage("q075.jpg", new JpegEncodingParam(75));
                img.SaveImage("q100.jpg", new JpegEncodingParam(100));

                using (IplImage q000 = new IplImage("q000.jpg", LoadMode.Color))
                using (IplImage q025 = new IplImage("q025.jpg", LoadMode.Color))
                using (IplImage q050 = new IplImage("q050.jpg", LoadMode.Color))
                using (IplImage q075 = new IplImage("q075.jpg", LoadMode.Color))
                using (IplImage q100 = new IplImage("q100.jpg", LoadMode.Color))
                using (CvWindow w000 = new CvWindow("quality 0", q000))
                using (CvWindow w025 = new CvWindow("quality 25", q025))
                using (CvWindow w050 = new CvWindow("quality 50", q050))
                using (CvWindow w075 = new CvWindow("quality 75", q075))
                using (CvWindow w100 = new CvWindow("quality 100", q100))
                {
                    Cv.WaitKey();
                }
            }
        }

        static void Main(string[] args)
        {
            //  CreateCameraCaptureの引數はカメラのIndex(通常は0から始まる)
            using (var capture = Cv.CreateCameraCapture(0))
            {
                IplImage frame = new IplImage();

                //  W320 x H240のウィンドウを作る
                double w = 320, h = 240;
                Cv.SetCaptureProperty(capture, CaptureProperty.FrameWidth, w);
                Cv.SetCaptureProperty(capture, CaptureProperty.FrameHeight, h);

                //  何かキーを押すまでは、Webカメラの畫像を表示し続ける
                while (Cv.WaitKey(1) == -1)
                {
                    //  カメラからフレームを取得
                    frame = Cv.QueryFrame(capture);

                    //  Window「Capture」を作って、Webカメラの畫像を表示
                    Cv.ShowImage("Capture", frame);
                }

                //  bmp以外に、jpegやpngでの保存が可能
                frame.SaveImage("result.bmp");

                //  使い終わったWindow「Capture」を破棄
                Cv.DestroyWindow("Capture");
            }
        }

        public Edge()
        {
            using (IplImage src = new IplImage(Const.ImageLenna, LoadMode.Color))
            using (IplImage gray = new IplImage(src.Size, BitDepth.U8, 1))
            using (IplImage temp = new IplImage(src.Size, BitDepth.S16, 1))
            using (IplImage dstSobel = new IplImage(src.Size, BitDepth.U8, 1))
            using (IplImage dstLaplace = new IplImage(src.Size, BitDepth.U8, 1))
            using (IplImage dstCanny = new IplImage(src.Size, BitDepth.U8, 1))
            {
                //src.CvtColor(gray, ColorConversion.RgbToGray);
                src.CvtColor(gray, ColorConversion.BgrToGray);

                // Sobel
                Cv.Sobel(gray, temp, 1, 0, ApertureSize.Size3);
                Cv.ConvertScaleAbs(temp, dstSobel);

                // Laplace
                Cv.Laplace(gray, temp);
                Cv.ConvertScaleAbs(temp, dstLaplace);

                // Canny
                Cv.Canny(gray, dstCanny, 50, 200, ApertureSize.Size3);

                using (new CvWindow("src", src)) 
                using (new CvWindow("sobel", dstSobel))
                using (new CvWindow("laplace", dstLaplace)) 
                using (new CvWindow("canny", dstCanny))
                {
                    CvWindow.WaitKey();
                }

                dstSobel.SaveImage("sobel.png");
                dstLaplace.SaveImage("laplace.png");
                dstCanny.SaveImage("canny.png");
            }
        }

        public Inpaint()
        {
            // cvInpaint
            // 畫像の不要な文字列部分に対するマスク畫像を指定して文字列を除去する

            Console.WriteLine(
                "Hot keys: \n" +
                "\tESC - quit the program\n" +
                "\tr - restore the original image\n" +
                "\ti or ENTER - run inpainting algorithm\n" +
                "\t\t(before running it, paint something on the image)\n" +
                "\ts - save the original image, mask image, original+mask image and inpainted image to desktop."
            );

            // 原畫像の読み込み
            using (IplImage img0 = new IplImage(Const.ImageFruits, LoadMode.AnyDepth | LoadMode.AnyColor))
            {
                // お絵かき用の畫像を確保（マスク）
                using (IplImage img = img0.Clone())
                using (IplImage inpaintMask = new IplImage(img0.Size, BitDepth.U8, 1))
                // Inpaintの出力先畫像を確保
                using (IplImage inpainted = img0.Clone())
                {
                    inpainted.Zero();
                    inpaintMask.Zero();

                    using (CvWindow wImage = new CvWindow("image", WindowMode.AutoSize, img))
                    {

                        // マウスイベントの処理
                        CvPoint prevPt = new CvPoint(-1, -1);
                        wImage.OnMouseCallback += delegate(MouseEvent ev, int x, int y, MouseEvent flags)
                        {
                            if (ev == MouseEvent.LButtonUp || (flags & MouseEvent.FlagLButton) == 0)
                            {
                                prevPt = new CvPoint(-1, -1);
                            }
                            else if (ev == MouseEvent.LButtonDown)
                            {
                                prevPt = new CvPoint(x, y);
                            }
                            else if (ev == MouseEvent.MouseMove && (flags & MouseEvent.FlagLButton) != 0)
                            {
                                CvPoint pt = new CvPoint(x, y);
                                if (prevPt.X < 0)
                                {
                                    prevPt = pt;
                                }
                                inpaintMask.Line(prevPt, pt, CvColor.White, 5, LineType.AntiAlias, 0);
                                img.Line(prevPt, pt, CvColor.White, 5, LineType.AntiAlias, 0);
                                prevPt = pt;
                                wImage.ShowImage(img);
                            }
                        };

                        for (; ; )
                        {
                            switch ((char)CvWindow.WaitKey(0))
                            {
                                case (char)27:    // ESCキーで終了
                                    CvWindow.DestroyAllWindows();
                                    return;
                                case 'r':   // 原畫像を復元
                                    inpaintMask.Zero();
                                    img0.Copy(img);
                                    wImage.ShowImage(img);
                                    break;
                                case 'i':   // Inpaintの実行
                                case '\r':
                                    CvWindow wInpaint = new CvWindow("inpainted image", WindowMode.AutoSize);
                                    img.Inpaint(inpaintMask, inpainted, 3, InpaintMethod.Telea);
                                    wInpaint.ShowImage(inpainted);
                                    break;
                                case 's': // 畫像の保存
                                    string desktop = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
                                    img0.SaveImage(Path.Combine(desktop, "original.png"));
                                    inpaintMask.SaveImage(Path.Combine(desktop, "mask.png"));
                                    img.SaveImage(Path.Combine(desktop, "original+mask.png"));
                                    inpainted.SaveImage(Path.Combine(desktop, "inpainted.png"));
                                    break;
                            }
                        }

                    }

                }
            }

        }

        unsafe ImageDetail[] SaveImage(Target[] targets)
        {
            IList<ImageDetail> imgs = new List<ImageDetail>();

            foreach (Target t in targets)
            {
                Frame frame = t.BaseFrame;

                DateTime dt = DateTime.FromBinary(frame.timeStamp);

                for (int j = 0; j < t.FaceCount; ++j)
                {
                    IntPtr* f = ((IntPtr*)(t.FaceData)) + j;
                    IplImage aFace = new IplImage(*f);
                    aFace.IsEnabledDispose = false;

                    string facePath = GetFacePath(frame, dt, j);

                    aFace.SaveImage(facePath);

                    imgs.Add(ImageDetail.FromPath(facePath));

                }

            }

            ImageDetail[] details = new ImageDetail[imgs.Count];
            imgs.CopyTo(details, 0);

            return details;
        }

        private static void SaveFrame(Frame frame)
        {
            IplImage ipl = new IplImage(frame.image);
            ipl.IsEnabledDispose = false;

            string path = frame.GetFileName();
            DateTime dt = DateTime.FromBinary(frame.timeStamp);

            string root = Path.Combine(Properties.Settings.Default.OutputPath,
                      frame.cameraID.ToString("d2"));

            string folder = ImageClassifier.BuildDestDirectory(root, dt, Properties.Settings.Default.BigImageDirectoryName);
            if (!Directory.Exists(folder))
            {
                Directory.CreateDirectory(folder);
            }

            path = Path.Combine(folder, path);
            ipl.SaveImage(path);
        }

        private static string SaveImage(IplImage image, DateTime captureTime)
        {
            var path = GetImagePath(captureTime);
            var dir = Path.GetDirectoryName(path);
            if (!Directory.Exists(dir))
            {
                Directory.CreateDirectory(dir);
            }
            image.SaveImage(path);

            return path;
        }

        private void button1_Click_2(object sender, EventArgs e)
        {
            string[] files = Directory.GetFiles(@"D:\pictures in hall");
            foreach (string file in files)
            {
                string ext = Path.GetExtension(file);
                if (ext != ".jpg") continue;

                Bitmap img1 = (Bitmap)Bitmap.FromFile(file);

                IplImage ipl = BitmapConverter.ToIplImage(img1);

                IplImage ipl1 = new IplImage(ipl.CvPtr);

                Bitmap bmp = ipl1.ToBitmap();
                this.pictureFace.Image = bmp;

                ipl1.SaveImage(@"d:\iplimg.jpg");

                return;

                //                 byte[] data = File.ReadAllBytes(file);
                //                 Frame f = new Frame();
                //                 f.data = IntPtr.Zero;// Marshal.AllocCoTaskMem(data.Length);
                //                 //Marshal.Copy(data, 0, f.data, data.Length);
                //                 f.dataLength = 0;// data.Length;
                //                 f.image = IntPtr.Zero;
                //                 f.timeStamp = 0;
                //                 f.searchRect = IntPtr.Zero;
                //                 f.fileName = Marshal.StringToCoTaskMemAnsi(file);
                //
                //                 bool group = NativeMethods.PreProcessFrame(ref f);

            }
        }