Kinect开发随笔①——红外扫描仪（Kinect 数据源）

来源于 MVA 的 快速入门：Kinect for Windows v2 开发 的学习随笔

具体内容为上图所示章节内容

章节内全部代码：GitHub地址点我（链接失效，待补档）

 <Page
     <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
         <Image Name="image" Width="" Height=""/>
         <Canvas Name="bodyCanves" Width="" Height=""/>
     </Grid>
 </Page>

Xaml Code

 using WindowsPreview.Kinect;
 using Windows.UI.Xaml.Media.Imaging;
 using Windows.UI.Xaml.Shapes;
 using Windows.UI;

 public sealed partial class MainPage : Page
     {
         public MainPage()
         {
             this.InitializeComponent();
             this.Loaded += MainPage_Loaded;
         }

         KinectSensor sensor;
         InfraredFrameReader irReader;
         ushort[] irData;
         byte[] irDataConverted;
         WriteableBitmap irBitmap;

         Body[] bodies;
         MultiSourceFrameReader msfr;

         private void MainPage_Loaded(object sender, RoutedEventArgs e)
         {
             sensor = KinectSensor.GetDefault();
             irReader = sensor.InfraredFrameSource.OpenReader();
             FrameDescription fd = sensor.InfraredFrameSource.FrameDescription;
             irData = new ushort[fd.LengthInPixels];
             irDataConverted = new byte[fd.LengthInPixels * ];
             irBitmap = new WriteableBitmap(fd.Width, fd.Height);
             image.Source = irBitmap;

             bodies = new Body[];
             msfr = sensor.OpenMultiSourceFrameReader(FrameSourceTypes.Body | FrameSourceTypes.Infrared);
             msfr.MultiSourceFrameArrived += msfr_MultiSourceFrameArrived;

             sensor.Open();
             irReader.FrameArrived += irReader_frameArrived;
         }

         private void msfr_MultiSourceFrameArrived(MultiSourceFrameReader sender, MultiSourceFrameArrivedEventArgs args)
         {
             using (MultiSourceFrame msf = args.FrameReference.AcquireFrame())
             {
                 if (msf != null)
                 {
                     using (BodyFrame bodyFrame = msf.BodyFrameReference.AcquireFrame())
                     {
                         using (InfraredFrame irFrame = msf.InfraredFrameReference.AcquireFrame())
                         {
                             if (bodyFrame != null && irFrame != null)
                             {
                                 irFrame.CopyFrameDataToArray(irData);
                                 for (int i = ; i < irData.Length; i++)
                                 {
                                     byte intensity = (byte)(irData[i] >> );
                                     irDataConverted[i * ] = intensity;
                                     irDataConverted[i *  + ] = intensity;
                                     irDataConverted[i *  + ] = intensity;
                                     irDataConverted[i *  + ] = ;
                                 }
                                 irDataConverted.CopyTo(irBitmap.PixelBuffer);
                                 irBitmap.Invalidate();

                                 bodyFrame.GetAndRefreshBodyData(bodies);
                                 bodyCanves.Children.Clear();
                                 foreach(Body body in bodies)
                                 {
                                     if(body.IsTracked)
                                     {
                                         Joint headJoint = body.Joints[JointType.Head];
                                         if (headJoint.TrackingState == TrackingState.Tracked)
                                         {
                                             DepthSpacePoint dsp = sensor.CoordinateMapper.MapCameraPointToDepthSpace(headJoint.Position);
                                             Ellipse headcircle = new Ellipse() { Width = , Height = , Fill = new SolidColorBrush(Color.FromArgb(, , , )) };
                                             bodyCanves.Children.Add(headcircle);
                                             Canvas.SetLeft(headcircle ,dsp.X - );
                                             Canvas.SetTop(headcircle ,dsp.Y - );

                                         }
                                     }
                                 }

                             }
                         }
                     }
                 }
             }
         }

         private void irReader_frameArrived(InfraredFrameReader sender, InfraredFrameArrivedEventArgs args)
         {
             using (InfraredFrame irFrame = args.FrameReference.AcquireFrame())
             {
                 if (irFrame != null)
                 {
                     irFrame.CopyFrameDataToArray(irData);
                     for (int i = ; i < irData.Length; i++)
                     {
                         byte intensity = (byte)(irData[i] >> );
                         irDataConverted[i * ] = intensity;
                         irDataConverted[i *  + ] = intensity;
                         irDataConverted[i *  + ] = intensity;
                         irDataConverted[i *  + ] = ;
                     }
                     irDataConverted.CopyTo(irBitmap.PixelBuffer);
                     irBitmap.Invalidate();
                 }
             }
         }
     }