public ReconstructionController(KinectSensor sensor)
{
Contract.Requires(sensor != null);
this.syncContext = SynchronizationContext.Current;
this.sensor = sensor;
var rparams = new ReconstructionParameters(128, 256, 256, 256);
reconstruction = Reconstruction.FusionCreateReconstruction(rparams, ReconstructionProcessor.Amp, -1, worldToCameraTransform);
worldToVolumeTransform = reconstruction.GetCurrentWorldToVolumeTransform();
worldToVolumeTransform.M43 -= MIN_DEPTH * rparams.VoxelsPerMeter;
reconstruction.ResetReconstruction(worldToCameraTransform, worldToVolumeTransform);
var depthFrameDesc = sensor.DepthFrameSource.FrameDescription;
var totalPixels = depthFrameDesc.Width * depthFrameDesc.Height;
rawDepthData = new ushort[totalPixels];
bodyIndexData = new byte[totalPixels];
SurfaceBitmap = new ThreadSafeBitmap(depthFrameDesc.Width, depthFrameDesc.Height);
var intrinsics = sensor.CoordinateMapper.GetDepthCameraIntrinsics();
var cparams = new CameraParameters(
intrinsics.FocalLengthX / depthFrameDesc.Width,
intrinsics.FocalLengthY / depthFrameDesc.Height,
intrinsics.PrincipalPointX / depthFrameDesc.Width,
intrinsics.PrincipalPointY / depthFrameDesc.Height);
floatDepthFrame = new FusionFloatImageFrame(depthFrameDesc.Width, depthFrameDesc.Height, cparams);
pointCloudFrame = new FusionPointCloudImageFrame(depthFrameDesc.Width, depthFrameDesc.Height, cparams);
surfaceFrame = new FusionColorImageFrame(depthFrameDesc.Width, depthFrameDesc.Height, cparams);
}
private void InitializeKinectFusion()
{
// KinecFusionの初期化
var volParam = new ReconstructionParameters(VoxelsPerMeter, VoxelResolutionX, VoxelResolutionY, VoxelResolutionZ);
volume = Reconstruction.FusionCreateReconstruction(volParam, ReconstructionProcessor.Amp, -1, Matrix4.Identity);
// 変換バッファの作成
depthFloatBuffer = new FusionFloatImageFrame(DepthWidth, DepthHeight);
pointCloudBuffer = new FusionPointCloudImageFrame(DepthWidth, DepthHeight);
shadedSurfaceColorFrame = new FusionColorImageFrame(DepthWidth, DepthHeight);
// リセット
volume.ResetReconstruction(Matrix4.Identity);
}
private void ProcessDepthData(DepthImagePixel[] depthPixels)
{
try {
if (processingSaveFile)
{
return;
}
// DepthImagePixel から DepthFloatFrame に変換する
FusionDepthProcessor.DepthToDepthFloatFrame(
depthPixels,
DepthWidth,
DepthHeight,
depthFloatBuffer,
FusionDepthProcessor.DefaultMinimumDepth,
FusionDepthProcessor.DefaultMaximumDepth,
false);
// フレームを処理する
bool trackingSucceeded = volume.ProcessFrame(
depthFloatBuffer,
FusionDepthProcessor.DefaultAlignIterationCount,
FusionDepthProcessor.DefaultIntegrationWeight,
volume.GetCurrentWorldToCameraTransform());
if (!trackingSucceeded)
{
// 一定数エラーになったらリセット
// Kinectまたは対象を素早く動かしすぎ などの場合
trackingErrorCount++;
if (trackingErrorCount >= 100)
{
Trace.WriteLine(@"tracking error.");
trackingErrorCount = 0;
volume.ResetReconstruction(Matrix4.Identity);
}
return;
}
// PointCloudを取得する
volume.CalculatePointCloud(
pointCloudBuffer,
volume.GetCurrentWorldToCameraTransform());
// PointCloudを2次元のデータに描画する
FusionDepthProcessor.ShadePointCloud(
pointCloudBuffer,
volume.GetCurrentWorldToCameraTransform(),
shadedSurfaceColorFrame,
null);
// 2次元のデータをBitmapに書きだす
var colorPixels = new int[depthPixels.Length];
shadedSurfaceColorFrame.CopyPixelDataTo(colorPixels);
ImageKinectFusion.Source = BitmapSource.Create(DepthWidth, DepthHeight, 96, 96,
PixelFormats.Bgr32, null, colorPixels, DepthWidth * 4);
}
catch (Exception ex) {
Trace.WriteLine(ex.Message);
}
finally {
processingFrame = false;
}
}
