public DetectService()
{
var resourcePrefix = "Demo.data.";
// note that the prefix includes the trailing period '.' that is required
var files = new [] { "RFB-320.bin", "RFB-320.param" };
var assembly = System.Reflection.IntrospectionExtensions.GetTypeInfo(typeof(DetectService)).Assembly;
foreach (var file in files)
{
var path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), file);
using (var fs = File.Create(path))
using (var stream = assembly.GetManifestResourceStream(resourcePrefix + file))
{
stream.Seek(0, SeekOrigin.Begin);
stream.CopyTo(fs);
}
}
var binPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), files[0]);
var paramPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), files[1]);
var param = new UltraFaceParameter
{
BinFilePath = binPath,
ParamFilePath = paramPath,
InputWidth = 320,
InputLength = 240,
NumThread = 1,
ScoreThreshold = 0.7f
};
this._UltraFace = UltraFace.Create(param);
}
public Mat Detect(Mat mat)
{
using (var ultraFace = UltraFace.Create(_param))
{
using var inMat = NcnnDotNet.Mat.FromPixels(mat.Data, NcnnDotNet.PixelType.Bgr2Rgb, mat.Cols, mat.Rows);
var faceInfos = ultraFace.Detect(inMat).ToArray();
for (var j = 0; j < faceInfos.Length; j++)
{
var face = faceInfos[j];
mat.Rectangle(new OpenCvSharp.Rect((int)face.X1, (int)face.Y1, (int)face.X2 - (int)face.X1, (int)face.Y2 - (int)face.Y1), Scalar.Red);
}
return(mat);
}
}
private static int Main(string[] args)
{
if (args.Length <= 2)
{
Console.WriteLine($"Usage: {nameof(Demo)} < ncnn bin > < ncnn param > [image files...]");
return(1);
}
var binPath = args[0];
var paramPath = args[1];
var param = new UltraFaceParameter
{
BinFilePath = binPath,
ParamFilePath = paramPath,
InputWidth = 320,
InputLength = 240,
NumThread = 1,
ScoreThreshold = 0.7f
};
using (var ultraFace = UltraFace.Create(param)) // config model input
for (var i = 2; i < args.Length; i++)
{
var imageFile = args[i];
Console.WriteLine($"Processing {imageFile}");
using var frame = Cv2.ImRead(imageFile);
using var inMat = NcnnDotNet.Mat.FromPixels(frame.Data, NcnnDotNet.PixelType.Bgr2Rgb, frame.Cols, frame.Rows);
var faceInfos = ultraFace.Detect(inMat).ToArray();
for (var j = 0; j < faceInfos.Length; j++)
{
var face = faceInfos[j];
var pt1 = new Point <float>(face.X1, face.Y1);
var pt2 = new Point <float>(face.X2, face.Y2);
Cv2.Rectangle(frame, pt1, pt2, new Scalar <double>(0, 255, 0), 2);
}
Cv2.ImShow("UltraFace", frame);
Cv2.WaitKey();
Cv2.ImWrite("result.jpg", frame);
}
return(0);
}
private static int Main(string[] args)
{
if (args.Length <= 3)
{
Console.WriteLine($"Usage: {nameof(Benchmark)} < ncnn bin > < ncnn param > < image files > < loop count >");
return(1);
}
var binPath = args[0];
var paramPath = args[1];
var imagePath = args[2];
var maxLoop = int.TryParse(args[3], out var ret) ? ret : 1000;
var param = new UltraFaceParameter
{
BinFilePath = binPath,
ParamFilePath = paramPath,
InputWidth = 320,
InputLength = 240,
NumThread = 1,
ScoreThreshold = 0.7f
};
if (NcnnDotNet.Ncnn.IsSupportVulkan)
{
Console.WriteLine("Initializes GPU");
NcnnDotNet.Ncnn.CreateGpuInstance();
var index = NcnnDotNet.Ncnn.GetDefaultGpuIndex();
Console.WriteLine($"\tGPU is {index}");
}
using (var ultraFace = UltraFace.Create(param))// config model input
{
Console.WriteLine($"Processing {imagePath}");
using var frame = Cv2.ImRead(imagePath);
var imageStopWatch = new Stopwatch();
var detectStopWatch = new Stopwatch();
var totalImageLoad = 0d;
var totalDetect = 0d;
var options = new ProgressBarOptions
{
ProgressCharacter = '─',
ForegroundColor = ConsoleColor.Yellow,
ForegroundColorDone = ConsoleColor.DarkGreen,
BackgroundColor = ConsoleColor.DarkGray,
ProgressBarOnBottom = true,
};
using (var pbar = new ProgressBar(maxLoop, "Initial message", options))
for (var loop = 1; loop <= maxLoop; loop++)
{
imageStopWatch.Start();
using var inMat = NcnnDotNet.Mat.FromPixels(frame.Data, NcnnDotNet.PixelType.Bgr2Rgb, frame.Cols, frame.Rows);
imageStopWatch.Stop();
totalImageLoad += imageStopWatch.ElapsedMilliseconds;
imageStopWatch.Reset();
detectStopWatch.Start();
var _ = ultraFace.Detect(inMat).ToArray();
detectStopWatch.Stop();
totalDetect += detectStopWatch.ElapsedMilliseconds;
detectStopWatch.Reset();
pbar.Tick($"Step {loop} of {maxLoop}");
}
Console.WriteLine($"Total Loop {maxLoop}");
Console.WriteLine($"\tConvert Image to Mat: Total {totalImageLoad} ms, Avg {totalImageLoad / maxLoop} ms");
Console.WriteLine($"\t Detect Face: Total {totalDetect} ms, Avg {totalDetect / maxLoop} ms");
Console.WriteLine($"\t Total Throughput: Total {totalImageLoad + totalDetect} ms, Avg {(totalImageLoad + totalDetect) / maxLoop} ms");
}
if (NcnnDotNet.Ncnn.IsSupportVulkan)
{
Console.WriteLine("Uninitializes GPU");
NcnnDotNet.Ncnn.DestroyGpuInstance();
}
return(0);
}
