unsafe void UpdateFusionFrame()
{
//KinectのDepthImageデータからFusionのDepthImageFrameを作成
reconstruction.DepthToDepthFloatFrame(depthImagePixels, depthImageFrame,
FusionDepthProcessor.DefaultMinimumDepth, FusionDepthProcessor.DefaultMaximumDepth, true);
//depthImageFrameに平滑化をかけてsmoothDepthFrameに格納
reconstruction.SmoothDepthFloatFrame(depthImageFrame, smoothDepthImageFrame, SmoothingKernelWidth, SmoothingDistanceThreshold);
//色情報を取得するためにDepthImage各点のColorImageでの位置を計算
ColorSpacePoint[] points = new ColorSpacePoint[depthWidth * depthHeight];
coordinateMapper.MapDepthFrameToColorSpace(depthImagePixels, points);
//colorImageFrameBufferに色情報を格納
int[] colorImageFrameBuffer = new int[depthWidth * depthHeight];
fixed(byte *ptrColorImagePixels = colorImagePixels)
{
int *rawColorPixels = (int *)ptrColorImagePixels;
Parallel.For(0, depthHeight,
y =>
{
for (int x = 0; x < depthWidth; x++)
{
int index = y * depthWidth + x;
ColorSpacePoint point = points[index];
int colorX = (int)(Math.Ceiling(point.X));
int colorY = (int)(Math.Ceiling(point.Y));
if ((colorX >= 0) && (colorX < colorWidth) && (colorY >= 0) && (colorY < colorHeight))
{
colorImageFrameBuffer[index] = rawColorPixels[colorY * colorWidth + colorX];
}
}
});
}
//colorImageFrameBufferからFusionのcolorImageFrameを作成
colorImageFrame.CopyPixelDataFrom(colorImageFrameBuffer);
//現在のカメラ位置や角度の情報を計算に反映させるため、worldToCameraTransformを最新に更新
worldToCameraTransform = reconstruction.GetCurrentWorldToCameraTransform();
//最新のsmoothDepthImageFrame,colorImageFrameをFusionのReconstructionオブジェクトに反映
float alignmentEnergy = 0.0f;
bool ret = reconstruction.ProcessFrame(smoothDepthImageFrame, colorImageFrame, FusionDepthProcessor.DefaultAlignIterationCount,
FusionDepthProcessor.DefaultIntegrationWeight, FusionDepthProcessor.DefaultColorIntegrationOfAllAngles,
out alignmentEnergy, worldToCameraTransform);
//反映結果がエラーならカウントし、カウンタが100を越えたら初めからやり直す
if (!ret)
{
if (++errorCount >= 100)
{
errorCount = 0;
reset();
}
}
//結果を格納
result();
}
/// <summary>
/// Process input color image to make it equal in size to the depth image
/// </summary>
private unsafe FusionColorImageFrame ProcessColorForCameraPoseFinder(byte[] colorImagePixels)
{
var resampledColorFrame = new FusionColorImageFrame(KinectSettings.DEPTH_WIDTH, KinectSettings.DEPTH_HEIGHT);
if (KinectSettings.DEPTH_WIDTH != RawDepthWidth || KinectSettings.DEPTH_HEIGHT != RawDepthHeight ||
KinectSettings.COLOR_WIDTH != RawColorWidth || KinectSettings.COLOR_HEIGHT != RawColorHeight)
{
logger.Log(LogLevel.Error, "Cannot perform ProcessColorForCameraPoseFinder. Dimensions don't agree.");
return(new FusionColorImageFrame(0, 0));
}
float factor = RawColorWidth / RawDepthHeightWithSpecialRatio;
const int FilledZeroMargin = (RawDepthHeight - RawDepthHeightWithSpecialRatio) / 2;
// Here we make use of unsafe code to just copy the whole pixel as an int for performance reasons, as we do
// not need access to the individual rgba components.
fixed(byte *ptrColorPixels = colorImagePixels)
{
int *rawColorPixels = (int *)ptrColorPixels;
Parallel.For(
FilledZeroMargin,
KinectSettings.DEPTH_HEIGHT - FilledZeroMargin,
y =>
{
int destIndex = y * KinectSettings.DEPTH_WIDTH;
for (int x = 0; x < KinectSettings.DEPTH_WIDTH; ++x, ++destIndex)
{
int srcX = (int)(x * factor);
int srcY = (int)(y * factor);
int sourceColorIndex = (srcY * KinectSettings.COLOR_WIDTH) + srcX;
this.resampledColorImagePixels[destIndex] = rawColorPixels[sourceColorIndex];
}
});
}
resampledColorFrame.CopyPixelDataFrom(this.resampledColorImagePixels);
return(resampledColorFrame);
}
private void ResetColorImage()
{
Array.Clear(resampledColorImagePixelsAlignedToDepth, 0, resampledColorImagePixelsAlignedToDepth.Length);
resampledColorFrameDepthAligned.CopyPixelDataFrom(resampledColorImagePixelsAlignedToDepth);
}
