private BinaryHierarchicalNode build(FreakMatchPointSetStack.Item[] features, FreakFeaturePoint i_center, int[] i_indices, int num_indices)
{
int t = mBinarykMedoids.k();
if (t < this.mMinFeaturePerNode)
{
t = this.mMinFeaturePerNode;
}
if (num_indices <= t)
{
FreakMatchPointSetStack.Item[] index = intArray2FeaturePointArray(features, i_indices);
return(new BinaryHierarchicalNode(this.nextNodeId(), i_center, true, index, null));
}
SortedDictionary <int, List <int> > cluster_map = new SortedDictionary <int, List <int> >();
// Perform clustering
// Get a list of features for each cluster center
int[] assignment = this.mBinarykMedoids.assign(features, i_indices, num_indices);
// ASSERT(assignment.size() == num_indices, "Assignment size wrong");
for (int i = 0; i < num_indices; i++)
{
// ASSERT(assignment[i] != -1, "Assignment is invalid");
// ASSERT(assignment[i] < num_indices, "Assignment out of range");
// ASSERT(indices[assignment[i]] < num_features, "Assignment out of range");
List <int> li;
if (!cluster_map.ContainsKey(i_indices[assignment[i]]))
{
li = new List <int>();
cluster_map.Add(i_indices[assignment[i]], li);
}
else
{
li = cluster_map[i_indices[assignment[i]]];
}
li.Add(i_indices[i]);
}
// If there is only 1 cluster then make this node a leaf
if (cluster_map.Count == 1)
{
FreakMatchPointSetStack.Item[] index = intArray2FeaturePointArray(features, i_indices);
return(new BinaryHierarchicalNode(this.nextNodeId(), i_center, true, index, null));
}
int n = 0;
BinaryHierarchicalNode[] cl = new BinaryHierarchicalNode[cluster_map.Count];
// Create a new node for each cluster center
foreach (KeyValuePair <int, List <int> > l in cluster_map)
{
int first = l.Key;
// Recursively build the tree
int[] v = ArrayUtils.toIntArray_impl(l.Value, 0, l.Value.Count);
cl[n] = this.build(features, features[first], v, v.Length);
n++;
}
return(new BinaryHierarchicalNode(this.nextNodeId(), i_center, false, null, cl));
}
public static NyARNftIsetFile loadFromIsetFile(byte[] i_src, int i_file_format)
{
switch (i_file_format)
{
case FILE_FORMAT_ARTK_V5:
{
IsetFileDataParserV5 iset = new IsetFileDataParserV5(i_src);
ReferenceImage[] items = new ReferenceImage[iset.num_of_iset];
//1stIset
double dpi = iset.getImageDpi();
int[] images = ArrayUtils.toIntArray_impl(iset.image);
items[0] = new ReferenceImage(iset.image_size.w, iset.image_size.h, dpi, images);
//2nd to end
for (int i = 1; i < iset.num_of_iset; i++)
{
items[i] = new ReferenceImage(iset.image_size.w, iset.image_size.h, images, dpi, iset.sub_dpis[i - 1]);
}
return(new NyARNftIsetFile(items));
}
case FILE_FORMAT_ARTK_V4:
{
IsetFileDataParserV4 iset = new IsetFileDataParserV4(i_src);
ReferenceImage[] items = new ReferenceImage[iset.ar2image.Length];
for (int i = 0; i < items.Length; i++)
{
IsetFileDataParserV4.AR2ImageT tmp = iset.ar2image[i];
items[i] = new ReferenceImage(tmp.width, tmp.height, tmp.dpi, ArrayUtils.toIntArray_impl(tmp.img));
}
return(new NyARNftIsetFile(items));
}
case FILE_FORMAT_ARTK_V5RAW:
{
IsetFileDataParserV5Raw iset = new IsetFileDataParserV5Raw(i_src);
ReferenceImage[] items = new ReferenceImage[iset.dpis.Length];
//1stIset
int[] images = ArrayUtils.toIntArray_impl(iset.image);
items[0] = new ReferenceImage(iset.image_width, iset.image_height, iset.dpis[0], images);
//2nd to end
for (int i = 1; i < iset.dpis.Length; i++)
{
items[i] = new ReferenceImage(iset.image_width, iset.image_height, images, iset.dpis[0], iset.dpis[i]);
}
return(new NyARNftIsetFile(items));
}
default:
throw new NyARRuntimeException();
}
}