/// <summary> 3D connected components detector
/// Computes various information on the detected objects
/// </summary>
/// <param name="labeledInputimage">Gray level input image (background value must be 0)</param>
/// <param name="labeledOutputImage">Empty input image of same size that labeledInput image (can be null)</param>
/// <param name="image">Original greyscale image (can be null)</param>
/// <param name="band">the image band</param>
/// <param name="connectivity">Connectivity. MUST be 6 or 26</param>
/// <param name="minVolume">Minimum object volume to consider</param>
/// <param name="maxVolume">Maximum object volume to consider</param>
public ConnectedComponentSet(cImage labeledInputimage, cImage labeledOutputImage, cImage image, int band, eConnectivity connectivity, float minVolume, float maxVolume)
{
if (image != null && (image.Width != labeledInputimage.Width || image.Height != labeledInputimage.Height || image.Depth != labeledInputimage.Depth))
{
if (connectivity == eConnectivity.THREED_6 || connectivity == eConnectivity.THREED_26)
{
// throw new DescriptorException("Uncompatible Image sizes");
}
}
if (labeledOutputImage != null && (labeledOutputImage.Width != labeledInputimage.Width || labeledOutputImage.Height != labeledInputimage.Height || labeledOutputImage.Depth != labeledInputimage.Depth))
{
if (connectivity == eConnectivity.THREED_6 || connectivity == eConnectivity.THREED_26)
{
// throw new DescriptorException("Uncompatible Image sizes");
}
if (labeledOutputImage.GetNumChannels() != 1)
{
// throw new DescriptorException("Output label image must be single band");
}
}
if (labeledInputimage.Depth == 1)
{
if (connectivity == eConnectivity.THREED_6 || connectivity == eConnectivity.THREED_26)
{
// throw new DescriptorException("Given connectivity is incompatible with the image depth");
}
}
else if (connectivity == eConnectivity.TWOD_4 || connectivity == eConnectivity.TWOD_8 || connectivity == eConnectivity.TWOD_24)
{
// throw new DescriptorException("Given connectivity is incompatible with the image depth");
}
this.min = minVolume;
this.max = maxVolume;
this.connectivity = connectivity;
this.width = labeledInputimage.Width;
this.height = labeledInputimage.Height;
this.depth = labeledInputimage.Depth;
this.scanSliceSize = width * height;
this.twoTimesWidth = 2 * width;
if (labeledOutputImage == null)
{
this.labeledOutputImage = new cImage(labeledInputimage.Width, labeledInputimage.Height, labeledInputimage.Depth, 1);
}
else
{
this.labeledOutputImage = labeledOutputImage;
}
this.labeledOutput = this.labeledOutputImage.SingleChannelImage[0].Data;
this.labeledInputimage = labeledInputimage;
this.labeledInput = labeledInputimage.SingleChannelImage[band].Data;
this.image = image;
FindConnectedComponents();
}
protected VoxelList(int label, cImage labeledImage, cImage image, eConnectivity connectivity)
{
this.label = label;
surfacePoints = new List<int[]>();
points = new List<int[]>();
indices = new List<int>();
values = new List<float[]>();
this.labeledImage = labeledImage;
this.labeledImageData = labeledImage.SingleChannelImage[0].Data;
this.image = image;
if (image != null)
{
int NumChannels = image.GetNumChannels();
this.numBands = NumChannels;
this.intensity = new float[NumChannels];
this.surfaceIntensity = new float[NumChannels];
this.maxIntensity = new float[NumChannels];
this.minIntensity = new float[NumChannels];
for (int b = 0; b < NumChannels; b++)
{
maxIntensity[b] = float.MinValue;
minIntensity[b] = float.MaxValue;
}
}
this.imageWidth = labeledImage.Width;
this.imageHeight = labeledImage.Height;
this.imageDepth = labeledImage.Depth;
this.scanSliceSize = labeledImage.SliceSize;
this.connectivity = connectivity;
}
internal ConnectedVoxels(int label, cImage labeledImage, cImage image, eConnectivity connectivity)
: base(label, labeledImage, image, connectivity)
{
}
/// <summary> 3D connected components detector
/// Computes various information on the detected objects
/// </summary>
/// <param name="labeledInputimage">Gray level input image (background value must be 0)</param>
/// <param name="band">the image band</param>
/// <param name="connectivity">Connectivity. MUST be 6 or 26</param>
/// <param name="minVolume">Minimum object volume to consider</param>
/// <param name="maxVolume">Maximum object volume to consider</param>
public ConnectedComponentSet(cImage labeledInputimage, int band, eConnectivity connectivity, float minVolume, float maxVolume)
: this(labeledInputimage, null, null, band, connectivity, minVolume, maxVolume)
{
}
/// <summary>
/// Grab a set of already computed ConnectedComponent into a ConnectedComponentSet
/// </summary>
/// <param name="list">The list of ConnectedComponent</param>
public ConnectedComponentSet(List<ConnectedVoxels> list)
{
/// TO DO: CHECK THE CONSISTENCY OF THE LABELOUTPUT IMAGE AND THE IMAGE WITH THE ACUAL
/// VALUES OF THE CONNECTED COMPONENTS
if (list.Count == 0)
return;
this.image = list[0].Image;
this.labeledOutputImage = list[0].LabelImage;
this.connectivity = list[0].Connectivity;
this.width = labeledOutputImage.Width;
this.height = labeledOutputImage.Height;
this.scanSliceSize = labeledOutputImage.SliceSize;
this.twoTimesWidth = 2 * this.width;
int i = 0;
cc = new ConnectedVoxels[list.Count];
foreach (ConnectedVoxels cci in list)
{
if (cci.LabelImage != labeledOutputImage)
throw new ArgumentException("Connected components were not defined from the same image");
if (cci.Connectivity != connectivity)
throw new ArgumentException("Connected components were not defined with the same connectivity");
cc[i++] = cci;
}
}
public Component(int label, cImage labeledImage, cImage image, eConnectivity connectivity)
: base(label, labeledImage, image, connectivity)
{
}
