Diff: opencv2/flann/all_indices.h

Revision:

0:ea44dc9ed014

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/opencv2/flann/all_indices.h	Thu Mar 31 21:16:38 2016 +0000
@@ -0,0 +1,156 @@
+/***********************************************************************
+ * Software License Agreement (BSD License)
+ *
+ * Copyright 2008-2009  Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
+ * Copyright 2008-2009  David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *************************************************************************/
+
+
+#ifndef OPENCV_FLANN_ALL_INDICES_H_
+#define OPENCV_FLANN_ALL_INDICES_H_
+
+#include "general.h"
+
+#include "nn_index.h"
+#include "kdtree_index.h"
+#include "kdtree_single_index.h"
+#include "kmeans_index.h"
+#include "composite_index.h"
+#include "linear_index.h"
+#include "hierarchical_clustering_index.h"
+#include "lsh_index.h"
+#include "autotuned_index.h"
+
+
+namespace cvflann
+{
+
+template<typename KDTreeCapability, typename VectorSpace, typename Distance>
+struct index_creator
+{
+    static NNIndex<Distance>* create(const Matrix<typename Distance::ElementType>& dataset, const IndexParams& params, const Distance& distance)
+    {
+        flann_algorithm_t index_type = get_param<flann_algorithm_t>(params, "algorithm");
+
+        NNIndex<Distance>* nnIndex;
+        switch (index_type) {
+        case FLANN_INDEX_LINEAR:
+            nnIndex = new LinearIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_KDTREE_SINGLE:
+            nnIndex = new KDTreeSingleIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_KDTREE:
+            nnIndex = new KDTreeIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_KMEANS:
+            nnIndex = new KMeansIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_COMPOSITE:
+            nnIndex = new CompositeIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_AUTOTUNED:
+            nnIndex = new AutotunedIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_HIERARCHICAL:
+            nnIndex = new HierarchicalClusteringIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_LSH:
+            nnIndex = new LshIndex<Distance>(dataset, params, distance);
+            break;
+        default:
+            throw FLANNException("Unknown index type");
+        }
+
+        return nnIndex;
+    }
+};
+
+template<typename VectorSpace, typename Distance>
+struct index_creator<False,VectorSpace,Distance>
+{
+    static NNIndex<Distance>* create(const Matrix<typename Distance::ElementType>& dataset, const IndexParams& params, const Distance& distance)
+    {
+        flann_algorithm_t index_type = get_param<flann_algorithm_t>(params, "algorithm");
+
+        NNIndex<Distance>* nnIndex;
+        switch (index_type) {
+        case FLANN_INDEX_LINEAR:
+            nnIndex = new LinearIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_KMEANS:
+            nnIndex = new KMeansIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_HIERARCHICAL:
+            nnIndex = new HierarchicalClusteringIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_LSH:
+            nnIndex = new LshIndex<Distance>(dataset, params, distance);
+            break;
+        default:
+            throw FLANNException("Unknown index type");
+        }
+
+        return nnIndex;
+    }
+};
+
+template<typename Distance>
+struct index_creator<False,False,Distance>
+{
+    static NNIndex<Distance>* create(const Matrix<typename Distance::ElementType>& dataset, const IndexParams& params, const Distance& distance)
+    {
+        flann_algorithm_t index_type = get_param<flann_algorithm_t>(params, "algorithm");
+
+        NNIndex<Distance>* nnIndex;
+        switch (index_type) {
+        case FLANN_INDEX_LINEAR:
+            nnIndex = new LinearIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_HIERARCHICAL:
+            nnIndex = new HierarchicalClusteringIndex<Distance>(dataset, params, distance);
+            break;
+        case FLANN_INDEX_LSH:
+            nnIndex = new LshIndex<Distance>(dataset, params, distance);
+            break;
+        default:
+            throw FLANNException("Unknown index type");
+        }
+
+        return nnIndex;
+    }
+};
+
+template<typename Distance>
+NNIndex<Distance>* create_index_by_type(const Matrix<typename Distance::ElementType>& dataset, const IndexParams& params, const Distance& distance)
+{
+    return index_creator<typename Distance::is_kdtree_distance,
+                         typename Distance::is_vector_space_distance,
+                         Distance>::create(dataset, params,distance);
+}
+
+}
+
+#endif /* OPENCV_FLANN_ALL_INDICES_H_ */
+