人脸

Wpf_AiSportsMicrospace/App.xaml.cs

@@ -43,7 +43,8 @@ public partial class App : Application
                 services.AddDbContext<AppDbContext>(options =>
                     options.UseSqlite(connectionString));
 
-                services.AddSingleton<MainWindow>();
+                //services.AddSingleton<MainWindow>();
+                services.AddSingleton<Main>();
             })
             .Build();
 
@@ -57,8 +58,16 @@ public partial class App : Application
         }
 
         // 用 DI 创建窗口
-        var mainWindow = AppHost.Services.GetRequiredService<MainWindow>();
+
-        mainWindow.Show();
+        //var mainWindow = AppHost.Services.GetRequiredService<MainWindow>();
+        //mainWindow.Show();
+
+        var mainWin = AppHost.Services.GetRequiredService<Main>();
+        Current.MainWindow = mainWin;
+        mainWin.Show();
+
+        var newPage = new Home();
+        mainWin.SwitchPage(newPage, true);
     }
 }
 

Wpf_AiSportsMicrospace/Common/AppSettings.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Common
+{
+    public static class AppSettings
+    {
+        public static string SchoolCode = "202501060001";
+        public static string BackendUrl = "http://localhost:9992/api/StudentFace";
+    }
+}

Wpf_AiSportsMicrospace/Common/HttpManager.cs

@@ -0,0 +1,67 @@
+using System.Net.Http;
+using System.Text;
+
+namespace Wpf_AiSportsMicrospace.Common
+{
+    public class HttpManager
+    {
+        public static async Task<string> HttpPostAsync(string url, string postData = null, string contentType = "application/json", int timeOut = 30, Dictionary<string, string> headers = null)
+        {
+            using (var client = new HttpClient())
+            {
+                client.Timeout = TimeSpan.FromSeconds(timeOut);
+
+                if (headers != null)
+                {
+                    foreach (var header in headers)
+                    {
+                        client.DefaultRequestHeaders.Add(header.Key, header.Value);
+                    }
+                }
+
+                HttpContent content = null;
+                if (!string.IsNullOrEmpty(postData))
+                {
+                    content = new StringContent(postData, Encoding.UTF8, contentType);
+                }
+
+                try
+                {
+                    var response = await client.PostAsync(url, content);
+                    response.EnsureSuccessStatusCode();
+                    return await response.Content.ReadAsStringAsync();
+                }
+                catch (Exception ex)
+                {
+                    return ex.Message;
+                }
+            }
+        }
+        public static async Task<string> HttpGetAsync(string url, Dictionary<string, string> headers = null)
+        {
+            using (var client = new HttpClient())
+            {
+                if (headers != null)
+                {
+                    foreach (var header in headers)
+                    {
+                        client.DefaultRequestHeaders.Add(header.Key, header.Value);
+                    }
+                }
+
+                try
+                {
+                    var response = await client.GetAsync(url);
+
+                    response.EnsureSuccessStatusCode();
+
+                    return await response.Content.ReadAsStringAsync();
+                }
+                catch (Exception ex)
+                {
+                    return ex.Message;
+                }
+            }
+        }
+    }
+}

Wpf_AiSportsMicrospace/Common/SportOperate.cs

@@ -56,7 +56,7 @@ namespace Wpf_AiSportsMicrospace.Common
         {
             try
             {
-                _webcamClient = WebcamClient.CreateRTSP("172.17.30.65", "admin", "yd708090", 554u);
+                _webcamClient = WebcamClient.CreateRTSP("172.17.30.64", "admin", "yd708090", 554u);
             }
             catch (Exception)
             {

Wpf_AiSportsMicrospace/Common/Utils.cs

@@ -1,15 +1,22 @@
-using System;
+using Common;
-using System.Collections.Generic;
+using Dto;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Formats.Jpeg;
+using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Processing;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Text;
+using System.Text.Json;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using WpfAnimatedGif;
+using Color = System.Windows.Media.Color;
+using SharpImage = SixLabors.ImageSharp;
 
 namespace Wpf_AiSportsMicrospace.Common
 {
@@ -96,7 +103,6 @@ namespace Wpf_AiSportsMicrospace.Common
             return total;
         }
 
-
         //public static Uri countDownGif = new Uri("/Resources/Img/Album/1.gif", UriKind.Relative);
 
         //倒计时动画
@@ -151,7 +157,6 @@ namespace Wpf_AiSportsMicrospace.Common
             return grid;
         }
 
-
         //预加载资源
         private static readonly Dictionary<string, BitmapImage> _cache = new Dictionary<string, BitmapImage>();
         private static bool _isPreloaded = false;
@@ -208,5 +213,87 @@ namespace Wpf_AiSportsMicrospace.Common
             LoadGifToCache(relativePath);
             return _cache.GetValueOrDefault(relativePath);
         }
+
+        public static async Task<List<StudentInfoDto>> FacialRecognition(byte[] buffer, double[] xNorms)
+        {
+            if (xNorms == null || xNorms.Length < 2)
+                throw new ArgumentException("xNorms 至少需要两个元素");
+
+            using var image = SharpImage.Image.Load<Rgba32>(buffer);
+
+            int imgWidth = image.Width;
+            int imgHeight = image.Height;
+            int rectHeight = imgHeight / 2;
+
+            // 计算分割边界
+            var sortedX = xNorms.OrderBy(x => x).ToList();
+            var splitXs = new List<double>();
+            for (int i = 0; i < sortedX.Count - 1; i++)
+                splitXs.Add((sortedX[i] + sortedX[i + 1]) / 2.0);
+            splitXs.Insert(0, 0.0);
+            splitXs.Add(1.0);
+
+            var studentInfos = new List<StudentInfoDto>();
+
+            for (int i = 0; i < 6 && i < splitXs.Count - 1; i++)
+            {
+                int x1 = (int)(splitXs[i] * imgWidth);
+                int x2 = (int)(splitXs[i + 1] * imgWidth);
+                int w = x2 - x1;
+
+                var cropRect = new Rectangle(x1, 0, w, rectHeight);
+
+                using var cropped = image.Clone(ctx => ctx.Crop(cropRect));
+
+                // 转为 Base64
+                using var ms = new MemoryStream();
+                cropped.Save(ms, new JpegEncoder());
+                string base64 = Convert.ToBase64String(ms.ToArray());
+
+                // 调用人脸识别方法（假设返回姓名+头像Base64）
+                StudentInfoDto studentInfo = await FaceRecognitionAsync(base64);
+                studentInfos.Add(studentInfo);
+            }
+
+            return studentInfos;
+        }
+
+        /// <summary>
+        /// 调用人脸识别接口，返回学生信息
+        /// </summary>
+        public static async Task<StudentInfoDto> FaceRecognitionAsync(string base64Image)
+        {
+            var param = new
+            {
+                AppSettings.SchoolCode,
+                Base64 = base64Image
+            };
+
+            string json = JsonSerializer.Serialize(param);
+
+            // 调用 HttpPostAsync
+            string response = await HttpManager.HttpPostAsync(AppSettings.BackendUrl, json);
+
+            if (string.IsNullOrEmpty(response))
+                return null;
+
+            try
+            {
+                // 反序列化为接口返回对象
+                var faceInfo = JsonSerializer.Deserialize<StudentInfoDto>(response, new JsonSerializerOptions
+                {
+                    PropertyNameCaseInsensitive = true
+                });
+
+                if (faceInfo == null)
+                    return null;
+
+                return faceInfo;
+            }
+            catch
+            {
+                return null;
+            }
+        }
     }
 }

Wpf_AiSportsMicrospace/Dto/StudentInfoDto.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Dto
+{
+    /// <summary>
+    /// 学生信息
+    /// </summary>
+    public class StudentInfoDto
+    {
+        public string Name { get; set; }
+        public string Photo { get; set; }
+        public string StudentNo { get; set; }
+        public string SchoolCode { get; set; }
+        public string GradeName { get; set; }
+        public string ClassName { get; set; }
+        public int Age { get; set; }
+        public string Sex { get; set; }
+    }
+}

Wpf_AiSportsMicrospace/Views/JumpRope/GroupJumpRope.xaml.cs

@@ -70,6 +70,12 @@ namespace Wpf_AiSportsMicrospace.Views
         }
         private async void UserControl_Loaded(object sender, RoutedEventArgs e)
         {
+            // 绑定人脸识别事件
+            _mainWin.FacialRecognitionEvent += async (sender, buffer) =>
+            {
+                var studentList = await Utils.FacialRecognition(buffer, new double[] { 0.50, 0.78 });
+            };
+
             DrawCirclesWithText();
 
             // 播放音乐

Wpf_AiSportsMicrospace/Views/Main.xaml.cs

@@ -1,24 +1,20 @@
-using System;
+
 using System.Collections.Concurrent;
-using System.Collections.Generic;
+using System.Drawing;
-using System.Linq;
+using System.IO;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
 using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Animation;
 using System.Windows.Media.Imaging;
-using System.Windows.Media.Media3D;
 using Wpf_AiSportsMicrospace.Common;
 using WpfAnimatedGif;
 using Yztob.AiSports.Inferences.Abstractions;
 using Yztob.AiSports.Inferences.Things;
 using Yztob.AiSports.Sensors.Abstractions;
 using Yztob.AiSports.Sensors.Things;
+using Brushes = System.Windows.Media.Brushes;
 
 namespace Wpf_AiSportsMicrospace.Views
 {
@@ -41,6 +37,9 @@ namespace Wpf_AiSportsMicrospace.Views
         private bool _isReconnecting = false;
         private readonly object _reconnectLock = new();
 
+        public event EventHandler<List<Human>> HumanFrameUpdated;
+        public event EventHandler<Byte[]> FacialRecognitionEvent;
+
         public Main()
         {
             InitializeComponent();
@@ -108,6 +107,13 @@ namespace Wpf_AiSportsMicrospace.Views
                 //    return;
 
                 var buffer = frame.GetImageBuffer(ImageFormat.Jpeg).ToArray();
+
+                // 触发全局事件
+                Application.Current.Dispatcher.BeginInvoke(() =>
+                {
+                    FacialRecognitionEvent?.Invoke(this, buffer);
+                });
+
                 var humanResult = _humanPredictor.Predicting(buffer, frame.Number);
 
                 var humans = humanResult?.Humans?.ToList();
@@ -126,8 +132,6 @@ namespace Wpf_AiSportsMicrospace.Views
             }
         }
 
-        public event EventHandler<List<Human>> HumanFrameUpdated;
-
         private void StartHeartbeatMonitor()
         {
             Task.Run(async () =>
@@ -237,7 +241,7 @@ namespace Wpf_AiSportsMicrospace.Views
             }
 
             // 强制WPF加载所有资源
-            page.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
+            page.Measure(new System.Windows.Size(double.PositiveInfinity, double.PositiveInfinity));
             page.Arrange(new Rect(0, 0, page.DesiredSize.Width, page.DesiredSize.Height));
         }
 
@@ -250,7 +254,7 @@ namespace Wpf_AiSportsMicrospace.Views
             transformGroup.Children.Add(scale);
             transformGroup.Children.Add(skew);
             transformGroup.Children.Add(translate);
-            newPage.RenderTransformOrigin = new Point(fromRight ? 0 : 1, 0.5);
+            newPage.RenderTransformOrigin = new System.Windows.Point(fromRight ? 0 : 1, 0.5);
             newPage.RenderTransform = transformGroup;
 
             // 动画
@@ -274,7 +278,7 @@ namespace Wpf_AiSportsMicrospace.Views
             PreloadPageResources(newPage);
 
             // 每次都创建新的 Image 实例
-            var maskTop = new Image
+            var maskTop = new System.Windows.Controls.Image
             {
                 Source = new BitmapImage(new Uri("/Resources/Img/gif/top_animation_image.png", UriKind.Relative)),
                 Stretch = Stretch.Fill,
@@ -283,7 +287,7 @@ namespace Wpf_AiSportsMicrospace.Views
                 Width = 1920,
                 Height = 1000
             };
-            var maskBottom = new Image
+            var maskBottom = new System.Windows.Controls.Image
             {
                 Source = new BitmapImage(new Uri("/Resources/Img/gif/bottom_animation_image.png", UriKind.Relative)),
                 Stretch = Stretch.Fill,