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| 1 | +using System; |
| 2 | +using System.Collections.Generic; |
| 3 | +using System.Linq; |
| 4 | +using System.Runtime.InteropServices; |
| 5 | +using FaceRecognitionDotNet; |
| 6 | +using FaceRecognitionDotNet.Extensions; |
| 7 | +using Microsoft.Extensions.CommandLineUtils; |
| 8 | +using OpenCvSharp; |
| 9 | +using Point = FaceRecognitionDotNet.Point; |
| 10 | + |
| 11 | +namespace BlinkDetection |
| 12 | +{ |
| 13 | + |
| 14 | + internal class Program |
| 15 | + { |
| 16 | + |
| 17 | + #region Fields |
| 18 | + |
| 19 | + private const int EyesClosedSeconds = 5; |
| 20 | + |
| 21 | + #endregion |
| 22 | + |
| 23 | + #region Methods |
| 24 | + |
| 25 | + private static void Main(string[] args) |
| 26 | + { |
| 27 | + var app = new CommandLineApplication(false); |
| 28 | + app.Name = nameof(BlinkDetection); |
| 29 | + app.Description = "The program for blink detection demo"; |
| 30 | + app.HelpOption("-h|--help"); |
| 31 | + |
| 32 | + app.OnExecute(() => |
| 33 | + { |
| 34 | + var closedCount = 0; |
| 35 | + var process = true; |
| 36 | + |
| 37 | + using (var fr = FaceRecognition.Create("models")) |
| 38 | + using (var videoCapture = new VideoCapture(0)) |
| 39 | + { |
| 40 | + fr.CustomEyeBlinkDetector = new EyeAspectRatioLargeEyeBlinkDetector(0.2, 0.2); |
| 41 | + |
| 42 | + while (true) |
| 43 | + { |
| 44 | + using (var frame = videoCapture.RetrieveMat()) |
| 45 | + using (var smallFrame = new Mat()) |
| 46 | + { |
| 47 | + if (process) |
| 48 | + { |
| 49 | + //Cv2.Resize(frame, smallFrame, Size.Zero, 0.25, 0.25); |
| 50 | + Cv2.Resize(frame, smallFrame, Size.Zero, 1, 1); |
| 51 | + |
| 52 | + var cols = smallFrame.Cols; |
| 53 | + var rows = smallFrame.Rows; |
| 54 | + var elems = smallFrame.ElemSize(); |
| 55 | + |
| 56 | + |
| 57 | + // get the correct face landmarks |
| 58 | + var bytes = new byte[rows * cols * elems]; |
| 59 | + Marshal.Copy(smallFrame.Data, bytes, 0, bytes.Length); |
| 60 | + using (var rgbSmallFrame = FaceRecognition.LoadImage(bytes, rows, cols, cols * elems, Mode.Rgb)) |
| 61 | + { |
| 62 | + var faceLandmarksList = fr.FaceLandmark(rgbSmallFrame).ToArray(); |
| 63 | + |
| 64 | + // get eyes |
| 65 | + foreach (var faceLandmark in faceLandmarksList) |
| 66 | + { |
| 67 | + var leftEye = faceLandmark[FacePart.LeftEye].ToArray(); |
| 68 | + var rightEye = faceLandmark[FacePart.RightEye].ToArray(); |
| 69 | + |
| 70 | + var color = new Scalar(255, 0, 0); |
| 71 | + var thickness = 2; |
| 72 | + |
| 73 | + var lp = new OpenCvSharp.Point(leftEye[0].Point.X, leftEye[0].Point.Y); |
| 74 | + var rp = new OpenCvSharp.Point(rightEye[rightEye.Length - 1].Point.X, rightEye[rightEye.Length - 1].Point.Y); |
| 75 | + var l = Math.Min(lp.X, rp.X); |
| 76 | + var r = Math.Max(lp.X, rp.X); |
| 77 | + var t = Math.Min(lp.Y, rp.Y); |
| 78 | + var b = Math.Max(lp.Y, rp.Y); |
| 79 | + Cv2.Rectangle(smallFrame, new OpenCvSharp.Point(l, t), new OpenCvSharp.Point(r, b), color, thickness); |
| 80 | + |
| 81 | + Cv2.ImShow("Video", smallFrame); |
| 82 | + Cv2.WaitKey(1); |
| 83 | + |
| 84 | + fr.EyeBlinkDetect(faceLandmark, out var leftBlink, out var rightBlink); |
| 85 | + |
| 86 | + var closed = leftBlink && rightBlink; |
| 87 | + |
| 88 | + if (closed) |
| 89 | + closedCount += 1; |
| 90 | + else |
| 91 | + closedCount = 0; |
| 92 | + |
| 93 | + if (closedCount >= EyesClosedSeconds) |
| 94 | + { |
| 95 | + var asleep = true; |
| 96 | + while (asleep) // continue this loop until they wake up and acknowledge music |
| 97 | + { |
| 98 | + Console.WriteLine("EYE CLOSED"); |
| 99 | + |
| 100 | + var key = Console.ReadKey(); |
| 101 | + |
| 102 | + if (key.Key == ConsoleKey.Spacebar) |
| 103 | + asleep = false; |
| 104 | + } |
| 105 | + |
| 106 | + closedCount = 0; |
| 107 | + } |
| 108 | + } |
| 109 | + } |
| 110 | + } |
| 111 | + |
| 112 | + process = !process; |
| 113 | + } |
| 114 | + } |
| 115 | + } |
| 116 | + |
| 117 | + return 0; |
| 118 | + }); |
| 119 | + |
| 120 | + app.Execute(args); |
| 121 | + } |
| 122 | + |
| 123 | + #endregion |
| 124 | + |
| 125 | + } |
| 126 | + |
| 127 | +} |
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