From e39e7e603b540e02a53daa2b746833f1d681fa16 Mon Sep 17 00:00:00 2001
From: Josh Klontz <josh@rankone.io>
Date: Tue, 31 Aug 2021 12:58:08 -0600
Subject: [PATCH] removed keypoint matcher

---
 openbr/plugins/distance/keypointmatcher.cpp | 75 ---------------------------------------------------------------------------
 1 file changed, 0 insertions(+), 75 deletions(-)
 delete mode 100644 openbr/plugins/distance/keypointmatcher.cpp

diff --git a/openbr/plugins/distance/keypointmatcher.cpp b/openbr/plugins/distance/keypointmatcher.cpp
deleted file mode 100644
index d48e0aa..0000000
--- a/openbr/plugins/distance/keypointmatcher.cpp
+++ /dev/null
@@ -1,75 +0,0 @@
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * Copyright 2012 The MITRE Corporation                                      *
- *                                                                           *
- * Licensed under the Apache License, Version 2.0 (the "License");           *
- * you may not use this file except in compliance with the License.          *
- * You may obtain a copy of the License at                                   *
- *                                                                           *
- *     http://www.apache.org/licenses/LICENSE-2.0                            *
- *                                                                           *
- * Unless required by applicable law or agreed to in writing, software       *
- * distributed under the License is distributed on an "AS IS" BASIS,         *
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  *
- * See the License for the specific language governing permissions and       *
- * limitations under the License.                                            *
- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-#include <opencv2/features2d/features2d.hpp>
-
-#include <openbr/plugins/openbr_internal.h>
-
-using namespace cv;
-
-namespace br
-{
-
-/*!
- * \ingroup transforms
- * \brief Wraps OpenCV Key Point Matcher
- * \br_link http://docs.opencv.org/modules/features2d/doc/common_interfaces_of_feature_detectors.html
- * \author Josh Klontz \cite jklontz
- */
-class KeyPointMatcherDistance : public UntrainableDistance
-{
-    Q_OBJECT
-    Q_PROPERTY(QString matcher READ get_matcher WRITE set_matcher RESET reset_matcher STORED false)
-    Q_PROPERTY(float maxRatio READ get_maxRatio WRITE set_maxRatio RESET reset_maxRatio STORED false)
-    BR_PROPERTY(QString, matcher, "BruteForce")
-    BR_PROPERTY(float, maxRatio, 0.8)
-
-    Ptr<DescriptorMatcher> descriptorMatcher;
-
-    void init()
-    {
-        descriptorMatcher = DescriptorMatcher::create(matcher.toStdString());
-        if (descriptorMatcher.empty())
-            qFatal("Failed to create DescriptorMatcher: %s", qPrintable(matcher));
-    }
-
-    float compare(const Mat &a, const Mat &b) const
-    {
-        if ((a.rows < 2) || (b.rows < 2)) return 0;
-
-        std::vector< std::vector<DMatch> > matches;
-        if (a.rows < b.rows) descriptorMatcher->knnMatch(a, b, matches, 2);
-        else                 descriptorMatcher->knnMatch(b, a, matches, 2);
-
-        QList<float> distances;
-        foreach (const std::vector<DMatch> &match, matches) {
-            if (match[0].distance / match[1].distance > maxRatio) continue;
-            distances.append(match[0].distance);
-        }
-        qSort(distances);
-
-        float similarity = 0;
-        for (int i=0; i<distances.size(); i++)
-            similarity += 1.f/(1+distances[i])/(i+1);
-        return similarity;
-    }
-};
-
-BR_REGISTER(Distance, KeyPointMatcherDistance)
-
-} // namespace br
-
-#include "distance/keypointmatcher.moc"
--
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