104 lines
3.2 KiB
C#
104 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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using OpenCvSharp;
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using MMDeploy;
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namespace image_segmentation
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{
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class Program
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{
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/// <summary>
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/// transform input
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/// </summary>
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static void CvMatToMat(OpenCvSharp.Mat[] cvMats, out MMDeploy.Mat[] mats)
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{
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mats = new MMDeploy.Mat[cvMats.Length];
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unsafe
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{
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for (int i = 0; i < cvMats.Length; i++)
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{
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mats[i].Data = cvMats[i].DataPointer;
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mats[i].Height = cvMats[i].Height;
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mats[i].Width = cvMats[i].Width;
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mats[i].Channel = cvMats[i].Dims;
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mats[i].Format = PixelFormat.BGR;
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mats[i].Type = DataType.Int8;
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mats[i].Device = null;
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}
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}
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}
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static void CvWaitKey()
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{
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Cv2.WaitKey();
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}
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static Vec3b[] GenPalette(int classes)
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{
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Random rnd = new Random(0);
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Vec3b[] palette = new Vec3b[classes];
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for (int i = 0; i < classes; i++)
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{
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byte v1 = (byte)rnd.Next(0, 255);
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byte v2 = (byte)rnd.Next(0, 255);
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byte v3 = (byte)rnd.Next(0, 255);
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palette[i] = new Vec3b(v1, v2, v3);
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}
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return palette;
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}
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static void Main(string[] args)
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{
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if (args.Length != 3)
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{
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Console.WriteLine("usage:\n image_segmentation deviceName modelPath imagePath\n");
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Environment.Exit(1);
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}
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string deviceName = args[0];
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string modelPath = args[1];
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string imagePath = args[2];
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// 1. create handle
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Segmentor handle = new Segmentor(modelPath, deviceName, 0);
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// 2. prepare input
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OpenCvSharp.Mat[] imgs = new OpenCvSharp.Mat[1] { Cv2.ImRead(imagePath, ImreadModes.Color) };
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CvMatToMat(imgs, out var mats);
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// 3. process
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List<SegmentorOutput> output = handle.Apply(mats);
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// 4. show result
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OpenCvSharp.Mat colorMask = new OpenCvSharp.Mat(output[0].Height, output[0].Width, MatType.CV_8UC3, new Scalar());
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Vec3b[] palette = GenPalette(output[0].Classes);
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unsafe
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{
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byte* data = colorMask.DataPointer;
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fixed (int* _label = output[0].Mask)
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{
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int* label = _label;
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for (int i = 0; i < output[0].Height; i++)
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{
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for (int j = 0; j < output[0].Width; j++)
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{
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data[0] = palette[*label][0];
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data[1] = palette[*label][1];
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data[2] = palette[*label][2];
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data += 3;
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label++;
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}
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}
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}
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}
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colorMask = imgs[0] * 0.5 + colorMask * 0.5;
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Cv2.NamedWindow("mmseg", WindowFlags.GuiExpanded);
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Cv2.ImShow("mmseg", colorMask);
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CvWaitKey();
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handle.Close();
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}
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}
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}
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