[英]Kinect v2 facetracking - how to get started?
我刚刚获得了用于Windows v2的全新Kinect,我想从旧的SDK中移植一些程序,而从msdn移植它应该很容易。 从SDK随附的示例中,我觉得我对新功能有了一定的了解,可以使颜色,深度和主体(旧骨架)正常工作。 现在,我只是不想让面部跟踪开始运行。 从这里开始我的问题。
如果我想要颜色数据:
_kinectSensor = KinectSensor.GetDefault();
_colorFrameReader = _kinectSensor.ColorFrameSource.OpenReader();
_colorFrameReader.FrameArrived += _colorFrameReader_FrameArrived;
_kinectSensor.Open();
如果我想要身体数据:
_bodyFrameReader = _kinectSensor.BodyFrameSource.OpenReader();
bodyFrameReader.FrameArrived += this.Reader_FrameArrived;
_kinectSensor.Open();
但是,如果我想获取人脸数据,就永远不会得到回调:
var faceFrameSource = new FaceFrameSource(KinectSensor.GetDefault());
_faceFrameReader = faceFrameSource.OpenReader();
_faceFrameReader.FrameArrived +=_faceFrameReader_FrameArrived;
_kinectSensor.Open();
谁能帮我解决如何在kinect v2 sdk中使用人脸跟踪?
我发现了一种基于@Marks注释的解决方案,并且该帖子: http ://www.kinectingforwindows.com/
我首先需要设置trackingId和faceframwfeatures,当我得到一个被跟踪的主体时,我就这样做了:
private void bodyFrameReader_FrameArrived(object sender, BodyFrameArrivedEventArgs e)
{
var dataReceived = false;
using (var bodyFrame = e.FrameReference.AcquireFrame())
{
if (bodyFrame != null)
{
if (_bodies == null)
{
_bodies = new Body[bodyFrame.BodyCount];
}
bodyFrame.GetAndRefreshBodyData(_bodies);
dataReceived = true;
}
}
if (dataReceived)
{
foreach (var body in _bodies)
{
if(!body.IsTracked)
continue;
if (_player == null)
PlayerFound(body);
}
}
}
PlayTracked将_player设置为主体,并开始面部跟踪:
private void PlayerFound(Body body)
{
_player = body;
StartFaceTracting(body);
}
然后开始跟踪:
private void StartFaceTracting(Body body)
{
// Face
_faceFrameSource = new FaceFrameSource(KinectSensor.GetDefault())
{
FaceFrameFeatures = FaceFrameFeatures.BoundingBoxInColorSpace | FaceFrameFeatures.PointsInColorSpace,
TrackingId = body.TrackingId
};
_faceFrameSource.TrackingIdLost += _faceFrameSource_TrackingIdLost;
_faceFrameReader = _faceFrameSource.OpenReader();
_faceFrameReader.FrameArrived += _faceFrameReader_FrameArrived;
Log.Info("Facetracking strated Id: " + body.TrackingId);
}
然后,我需要做的最后一个非常重要的事情是构建后事件,该事件将NuiDatabase复制到我安装的输出文件夹中:“ C:\\ Program Files(x86)\\ Microsoft SDKs \\ Windows \\ v8.0 \\ ExtensionSDKs \\ Microsoft.Kinect.Face \\ 2.0 \\ Redist \\ CommonConfiguration \\ x64 \\ NuiDatabase“:
在运行后构建事件后,我在FaceFrame中获取了数据:)
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