C# Kinect错误启用流
这是我第一次尝试制作一个使用Kinect的程序，我不知道为什么总是出现C# Kinect错误启用流,c#,kinect,kinect-sdk,C#,Kinect,Kinect Sdk,这是我第一次尝试制作一个使用Kinect的程序，我不知道为什么总是出现null错误。也许更了解KinectSDK的人可以帮忙 public ProjKinect() { InitializeComponent(); updateSensor(0);//set current sensor as 0 since we just started } public void updateSensor(int sensorI) { refreshSensors();//see
nullpublic ProjKinect()
{
InitializeComponent();
updateSensor(0);//set current sensor as 0 since we just started
}
public void updateSensor(int sensorI)
{
refreshSensors();//see if any new ones connected
if (sensorI >= sensors.Length)//if it goes to end, then repeat
{
sensorI = 0;
}
currentSensorInt = sensorI;
if (activeSensor != null && activeSensor.IsRunning)
{
activeSensor.Stop();//stop so we can cahnge
}
MessageBox.Show(sensors.Length + " Kinects Found");
activeSensor = KinectSensor.KinectSensors[currentSensorInt];
activeSensor.ColorStream.Enable(ColorImageFormat.RgbResolution640x480Fps30); //ERROR IS RIGHT HERE
activeSensor.DepthStream.Enable();
activeSensor.SkeletonStream.Enable();
activeSensor.SkeletonFrameReady += runtime_SkeletonFrameReady;
activeSensor.DepthFrameReady += runtime_DepthFrameReady;
activeSensor.ColorFrameReady += runtime_ImageFrameReady;
activeSensor.Start();//start the newly enabled one
}
public void refreshSensors()
{
sensors = KinectSensor.KinectSensors.ToArray();
}
对象引用未设置为对象的实例。
0currentSensorIntColorStream.EnableDepthStream.Enable也会出现错误。所以我猜我只是在创建传感器时做错了什么
希望是小东西。
提前感谢：）我没有看到任何明显的错误，但我以前也没有看到传感器以这种方式采集和设置。你看过这些例子了吗？关于如何连接到Kinect，有多个示例，其中一些是简单的蛮力连接，而另一些则非常健壮
例如，这是幻灯片手势WPF示例中连接代码的精简版本：
public partial class MainWindow : Window
{
/// <summary>
/// Active Kinect sensor
/// </summary>
private KinectSensor sensor;
/// <summary>
/// Execute startup tasks
/// </summary>
/// <param name="sender">object sending the event</param>
/// <param name="e">event arguments</param>
private void WindowLoaded(object sender, RoutedEventArgs e)
{
// Look through all sensors and start the first connected one.
// This requires that a Kinect is connected at the time of app startup.
// To make your app robust against plug/unplug,
// it is recommended to use KinectSensorChooser provided in Microsoft.Kinect.Toolkit
foreach (var potentialSensor in KinectSensor.KinectSensors)
{
if (potentialSensor.Status == KinectStatus.Connected)
{
this.sensor = potentialSensor;
break;
}
}
if (null != this.sensor)
{
// Turn on the color stream to receive color frames
this.sensor.ColorStream.Enable(ColorImageFormat.InfraredResolution640x480Fps30);
// Add an event handler to be called whenever there is new color frame data
this.sensor.ColorFrameReady += this.SensorColorFrameReady;
// Start the sensor!
try
{
this.sensor.Start();
}
catch (IOException)
{
this.sensor = null;
}
}
}
/// <summary>
/// Execute shutdown tasks
/// </summary>
/// <param name="sender">object sending the event</param>
/// <param name="e">event arguments</param>
private void WindowClosing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (null != this.sensor)
{
this.sensor.Stop();
}
}
}
就这样。我有一个传感器，我可以开始使用它了。我如何连接和控制Kinect的较大示例使用工具包中的KinectSensorManager
类，该类位于KinectWpfViewers
命名空间中：
public class MainViewModel : ViewModelBase
{
private readonly KinectSensorChooser _sensorChooser = new KinectSensorChooser();
/// <summary>
/// Initializes a new instance of the MainViewModel class.
/// </summary>
public MainViewModel(IDataService dataService)
{
if (IsInDesignMode)
{
// do something special, only for design mode
}
else
{
KinectSensorManager = new KinectSensorManager();
KinectSensorManager.KinectSensorChanged += OnKinectSensorChanged;
_sensorChooser.Start();
if (_sensorChooser.Kinect == null)
{
MessageBox.Show("Unable to detect an available Kinect Sensor");
Application.Current.Shutdown();
}
// Bind the KinectSensor from the sensorChooser to the KinectSensor on the KinectSensorManager
var kinectSensorBinding = new Binding("Kinect") { Source = _sensorChooser };
BindingOperations.SetBinding(this.KinectSensorManager, KinectSensorManager.KinectSensorProperty, kinectSensorBinding);
}
}
#region Kinect Discovery & Setup
private void OnKinectSensorChanged(object sender, KinectSensorManagerEventArgs<KinectSensor> args)
{
if (null != args.OldValue)
UninitializeKinectServices(args.OldValue);
if (null != args.NewValue)
InitializeKinectServices(KinectSensorManager, args.NewValue);
}
/// <summary>
/// Initialize Kinect based services.
/// </summary>
/// <param name="kinectSensorManager"></param>
/// <param name="sensor"></param>
private void InitializeKinectServices(KinectSensorManager kinectSensorManager, KinectSensor sensor)
{
// configure the color stream
kinectSensorManager.ColorFormat = ColorImageFormat.RgbResolution640x480Fps30;
kinectSensorManager.ColorStreamEnabled = true;
// configure the depth stream
kinectSensorManager.DepthStreamEnabled = true;
kinectSensorManager.TransformSmoothParameters =
new TransformSmoothParameters
{
// as the smoothing value is increased responsiveness to the raw data
// decreases; therefore, increased smoothing leads to increased latency.
Smoothing = 0.5f,
// higher value corrects toward the raw data more quickly,
// a lower value corrects more slowly and appears smoother.
Correction = 0.5f,
// number of frames to predict into the future.
Prediction = 0.5f,
// determines how aggressively to remove jitter from the raw data.
JitterRadius = 0.05f,
// maximum radius (in meters) that filtered positions can deviate from raw data.
MaxDeviationRadius = 0.04f
};
// configure the skeleton stream
sensor.SkeletonFrameReady += OnSkeletonFrameReady;
kinectSensorManager.SkeletonStreamEnabled = true;
// initialize the gesture recognizer
_gestureController = new GestureController();
_gestureController.GestureRecognized += OnGestureRecognized;
kinectSensorManager.KinectSensorEnabled = true;
if (!kinectSensorManager.KinectSensorAppConflict)
{
// set up addition Kinect based services here
// (e.g., SpeechRecognizer)
}
kinectSensorManager.ElevationAngle = Settings.Default.KinectAngle;
}
/// <summary>
/// Uninitialize all Kinect services that were initialized in InitializeKinectServices.
/// </summary>
/// <param name="sensor"></param>
private void UninitializeKinectServices(KinectSensor sensor)
{
sensor.SkeletonFrameReady -= this.OnSkeletonFrameReady;
}
#endregion Kinect Discovery & Setup
#region Properties
public KinectSensorManager KinectSensorManager { get; private set; }
#endregion Properties
}
public类MainViewModel:ViewModelBase
{
专用只读KinectSensorChooser _sensorChooser=新KinectSensorChooser（）；
///
///初始化MainViewModel类的新实例。
///
公共主视图模型（IDataService数据服务）
{
如果（IsInDesignMode）
{
//做一些特别的事情，只针对设计模式
}
其他的
{
KinectSensorManager=新的KinectSensorManager（）；
KinectSensorManager.KinectSensorChanged+=OnKinectSensorChanged；
_sensorChooser.Start（）；
如果（_sensorChooser.Kinect==null）
{
MessageBox.Show（“无法检测可用的Kinect传感器”）；
Application.Current.Shutdown（）；
}
//将传感器选择器中的Kinect传感器绑定到Kinect传感器管理器上的Kinect传感器
var kinectSensorBinding=新绑定（“Kinect”）{Source=\u sensorChooser}；
BindingOperations.SetBinding（this.KinectSensorManager、KinectSensorManager.KinectSensorProperty、kinectSensorBinding）；
}
}
#区域Kinect发现和设置
KinectSensorChanged上的私有无效（对象发送方，KinectSensorManagerEventArgs args）
{
if（null！=args.OldValue）
取消初始化KinectServices（args.OldValue）；
if（null！=args.NewValue）
初始化KinectServices（KinectSensorManager，args.NewValue）；
}
///
///初始化基于Kinect的服务。
///
///
///
private void InitializeKinectServices（Kinect传感器管理器Kinect传感器管理器，Kinect传感器）
{
//配置颜色流
kinectSensorManager.ColorFormat=ColorImageFormat.RgbResolution640x480Fps30；
kinectSensorManager.ColorStreamEnabled=true；
//配置深度流
kinectSensorManager.DepthStreamEnabled=true；
kinectSensorManager.TransformSmoothParameters=
新参数
{
//随着平滑值的增加，对原始数据的响应性增强
//减少；因此，增加平滑会导致延迟增加。
平滑度=0.5f，
//值越高，对原始数据的校正速度越快，
//值越小，校正速度越慢，看起来越平滑。
修正值=0.5f，
//要预测未来的帧数。
预测值=0.5f，
//确定从原始数据中删除抖动的力度。
吉特拉迪乌斯=0.05f，
//过滤位置可能偏离原始数据的最大半径（米）。
最大偏差半径=0.04f
};
//配置骨架流
sensor.SkeletonFrameReady+=OnSkeletonFrameReady；
kinectSensorManager.SkeletonStreamEnabled=true；
//初始化手势识别器
_gestureController=新的gestureController（）；
_gestureController.GestureReceignized+=OnGestureReceignized；
kinectSensorManager.KinectSensorEnabled=true；
如果（！kinectSensorManager.KinectSensorAppConflict）
{
//在此处设置基于Kinect的附加服务
//（例如，语音识别器）
}
kinectSensorManager.ElevationAngle=Settings.Default.KinectAngle；
}
///
///取消初始化在InitializeKinect services中初始化的所有Kinect服务。
///
///
private void取消初始化Kinect服务（Kinect传感器）
{
sensor.SkeletonFrameReady-=this.OnSkeletonFrameReady；
}
#端域Kinect发现与设置
#区域属性
公共KinectSensorManager KinectSensorManager{get；private set；}
#端域属性
}
所有这些额外代码的优点可以在工具包中的KinectExplorer
示例中看到。简言之，我可以用这段代码管理多个Kinect，拔下一个，程序就会切换到另一个。谢谢你的回答。但不知何故，它只是在多次拔下和插回kinect后才开始工作。我猜这只是一个奇怪的小故障，因为它现在可以工作了。感谢所有的示例代码。确实帮助我掌握SDK。是的，确实如此。我还不知道为什么。您有时会在Kinect.dll
中遇到“invalidooperation”异常，这通常是在拔下Kinect并将其重新插入时解决的。保持冷静
public class MainViewModel : ViewModelBase
{
private readonly KinectSensorChooser _sensorChooser = new KinectSensorChooser();
/// <summary>
/// Initializes a new instance of the MainViewModel class.
/// </summary>
public MainViewModel(IDataService dataService)
{
if (IsInDesignMode)
{
// do something special, only for design mode
}
else
{
KinectSensorManager = new KinectSensorManager();
KinectSensorManager.KinectSensorChanged += OnKinectSensorChanged;
_sensorChooser.Start();
if (_sensorChooser.Kinect == null)
{
MessageBox.Show("Unable to detect an available Kinect Sensor");
Application.Current.Shutdown();
}
// Bind the KinectSensor from the sensorChooser to the KinectSensor on the KinectSensorManager
var kinectSensorBinding = new Binding("Kinect") { Source = _sensorChooser };
BindingOperations.SetBinding(this.KinectSensorManager, KinectSensorManager.KinectSensorProperty, kinectSensorBinding);
}
}
#region Kinect Discovery & Setup
private void OnKinectSensorChanged(object sender, KinectSensorManagerEventArgs<KinectSensor> args)
{
if (null != args.OldValue)
UninitializeKinectServices(args.OldValue);
if (null != args.NewValue)
InitializeKinectServices(KinectSensorManager, args.NewValue);
}
/// <summary>
/// Initialize Kinect based services.
/// </summary>
/// <param name="kinectSensorManager"></param>
/// <param name="sensor"></param>
private void InitializeKinectServices(KinectSensorManager kinectSensorManager, KinectSensor sensor)
{
// configure the color stream
kinectSensorManager.ColorFormat = ColorImageFormat.RgbResolution640x480Fps30;
kinectSensorManager.ColorStreamEnabled = true;
// configure the depth stream
kinectSensorManager.DepthStreamEnabled = true;
kinectSensorManager.TransformSmoothParameters =
new TransformSmoothParameters
{
// as the smoothing value is increased responsiveness to the raw data
// decreases; therefore, increased smoothing leads to increased latency.
Smoothing = 0.5f,
// higher value corrects toward the raw data more quickly,
// a lower value corrects more slowly and appears smoother.
Correction = 0.5f,
// number of frames to predict into the future.
Prediction = 0.5f,
// determines how aggressively to remove jitter from the raw data.
JitterRadius = 0.05f,
// maximum radius (in meters) that filtered positions can deviate from raw data.
MaxDeviationRadius = 0.04f
};
// configure the skeleton stream
sensor.SkeletonFrameReady += OnSkeletonFrameReady;
kinectSensorManager.SkeletonStreamEnabled = true;
// initialize the gesture recognizer
_gestureController = new GestureController();
_gestureController.GestureRecognized += OnGestureRecognized;
kinectSensorManager.KinectSensorEnabled = true;
if (!kinectSensorManager.KinectSensorAppConflict)
{
// set up addition Kinect based services here
// (e.g., SpeechRecognizer)
}
kinectSensorManager.ElevationAngle = Settings.Default.KinectAngle;
}
/// <summary>
/// Uninitialize all Kinect services that were initialized in InitializeKinectServices.
/// </summary>
/// <param name="sensor"></param>
private void UninitializeKinectServices(KinectSensor sensor)
{
sensor.SkeletonFrameReady -= this.OnSkeletonFrameReady;
}
#endregion Kinect Discovery & Setup
#region Properties
public KinectSensorManager KinectSensorManager { get; private set; }
#endregion Properties
}