public void TestComputeCentroids()
{
int iteration_count = 1;
int[] desired_cluster_dimensions = new int[] { 5, 5, 1 };
SLIC3D slick = new SLIC3D(iteration_count, desired_cluster_dimensions, 1);
IRaster3DInteger raster = new Raster3DInteger(100, 100, 1);
IList <IImageRaster <IRaster3DInteger, float> > stack = new List <IImageRaster <IRaster3DInteger, float> >();
stack.Add(new ImageRaster3D <float>(raster, 0));
stack.Add(new ImageRaster3D <float>(raster, 0));
stack.Add(new ImageRaster3D <float>(raster, 0));
IImageRaster <IRaster3DInteger, float[]> image_features = new ImageRasterWrapperStack <IRaster3DInteger, float>(stack);
Tuple <IImageRaster <IRaster3DInteger, int>, IImageRaster <IRaster3DInteger, float>, IList <int[]>, IList <float[]> > initialization = slick.Initialize(raster);
IImageRaster <IRaster3DInteger, int> image_labeling = initialization.Item1;
IImageRaster <IRaster3DInteger, float> image_distance = initialization.Item2;
IList <int[]> cluster_spatial_centroids = initialization.Item3;
IList <float[]> cluster_feature_centroids = initialization.Item4;
slick.ComputeCentroids(image_labeling, image_features, cluster_spatial_centroids, cluster_feature_centroids);
}
public void TestSlick3Cluster()
{
int iteration_count = 5;
int[] desired_cluster_dimensions = new int[] { 5, 1, 1 };
SLIC3D slick = new SLIC3D(iteration_count, desired_cluster_dimensions, 1);
IRaster3DInteger raster = new Raster3DInteger(15, 1, 1);
IList <IImageRaster <IRaster3DInteger, float> > stack = new List <IImageRaster <IRaster3DInteger, float> >();
IImageRaster <IRaster3DInteger, float> feature_image = new ImageRaster3D <float>(raster, 0);
for (int element_index = 3; element_index < 12; element_index++)
{
feature_image.SetElementValue(element_index, 1);
}
stack.Add(feature_image);
IImageRaster <IRaster3DInteger, float[]> image_features = new ImageRasterWrapperStack <IRaster3DInteger, float>(stack);
Tuple <IImageRaster <IRaster3DInteger, int>, IImageRaster <IRaster3DInteger, float>, IList <int[]>, IList <float[]> > initialization = slick.Initialize(raster);
IImageRaster <IRaster3DInteger, int> image_labeling = initialization.Item1;
IImageRaster <IRaster3DInteger, float> image_distance = initialization.Item2;
IList <int[]> cluster_spatial_centroids = initialization.Item3;
IList <float[]> cluster_feature_centroids = initialization.Item4;
Assert.AreEqual(3, cluster_spatial_centroids.Count);
slick.ComputeCentroids(image_labeling, image_features, cluster_spatial_centroids, cluster_feature_centroids);
int [] neigbourhood_element_indexes = new int [99];
for (int iteration_index = 0; iteration_index < iteration_count; iteration_index++)
{
slick.AssignElements(image_labeling, image_distance, image_features, cluster_spatial_centroids, cluster_feature_centroids, neigbourhood_element_indexes);
slick.ComputeCentroids(image_labeling, image_features, cluster_spatial_centroids, cluster_feature_centroids);
}
Assert.AreEqual(3, cluster_spatial_centroids.Count);
for (int element_index = 3; element_index < 12; element_index++)
{
Assert.AreEqual(1, feature_image.GetElementValue(element_index));
}
}
public void TestInitialize()
{
int iteration_count = 1;
int [] desired_cluster_dimensions = new int [] { 3, 3, 3 };
SLIC3D slick = new SLIC3D(iteration_count, desired_cluster_dimensions, 1);
Tuple <IImageRaster <IRaster3DInteger, int>, IImageRaster <IRaster3DInteger, float>, IList <int[]>, IList <float[]> > initialization = slick.Initialize(new Raster3DInteger(9, 9, 9));
IImageRaster <IRaster3DInteger, int> image_labeling = initialization.Item1;
IImageRaster <IRaster3DInteger, float> image_distance = initialization.Item2;
IList <int[]> cluster_spatial_centroids = initialization.Item3;
IList <float[]> cluster_feature_centroids = initialization.Item4;
Assert.AreEqual(27, cluster_spatial_centroids.Count);
}