Commit e39e7e603b540e02a53daa2b746833f1d681fa16
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ac67461f
removed keypoint matcher
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75 deletions
openbr/plugins/distance/keypointmatcher.cpp deleted
| 1 | -/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * | ||
| 2 | - * Copyright 2012 The MITRE Corporation * | ||
| 3 | - * * | ||
| 4 | - * Licensed under the Apache License, Version 2.0 (the "License"); * | ||
| 5 | - * you may not use this file except in compliance with the License. * | ||
| 6 | - * You may obtain a copy of the License at * | ||
| 7 | - * * | ||
| 8 | - * http://www.apache.org/licenses/LICENSE-2.0 * | ||
| 9 | - * * | ||
| 10 | - * Unless required by applicable law or agreed to in writing, software * | ||
| 11 | - * distributed under the License is distributed on an "AS IS" BASIS, * | ||
| 12 | - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * | ||
| 13 | - * See the License for the specific language governing permissions and * | ||
| 14 | - * limitations under the License. * | ||
| 15 | - * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | ||
| 16 | - | ||
| 17 | -#include <opencv2/features2d/features2d.hpp> | ||
| 18 | - | ||
| 19 | -#include <openbr/plugins/openbr_internal.h> | ||
| 20 | - | ||
| 21 | -using namespace cv; | ||
| 22 | - | ||
| 23 | -namespace br | ||
| 24 | -{ | ||
| 25 | - | ||
| 26 | -/*! | ||
| 27 | - * \ingroup transforms | ||
| 28 | - * \brief Wraps OpenCV Key Point Matcher | ||
| 29 | - * \br_link http://docs.opencv.org/modules/features2d/doc/common_interfaces_of_feature_detectors.html | ||
| 30 | - * \author Josh Klontz \cite jklontz | ||
| 31 | - */ | ||
| 32 | -class KeyPointMatcherDistance : public UntrainableDistance | ||
| 33 | -{ | ||
| 34 | - Q_OBJECT | ||
| 35 | - Q_PROPERTY(QString matcher READ get_matcher WRITE set_matcher RESET reset_matcher STORED false) | ||
| 36 | - Q_PROPERTY(float maxRatio READ get_maxRatio WRITE set_maxRatio RESET reset_maxRatio STORED false) | ||
| 37 | - BR_PROPERTY(QString, matcher, "BruteForce") | ||
| 38 | - BR_PROPERTY(float, maxRatio, 0.8) | ||
| 39 | - | ||
| 40 | - Ptr<DescriptorMatcher> descriptorMatcher; | ||
| 41 | - | ||
| 42 | - void init() | ||
| 43 | - { | ||
| 44 | - descriptorMatcher = DescriptorMatcher::create(matcher.toStdString()); | ||
| 45 | - if (descriptorMatcher.empty()) | ||
| 46 | - qFatal("Failed to create DescriptorMatcher: %s", qPrintable(matcher)); | ||
| 47 | - } | ||
| 48 | - | ||
| 49 | - float compare(const Mat &a, const Mat &b) const | ||
| 50 | - { | ||
| 51 | - if ((a.rows < 2) || (b.rows < 2)) return 0; | ||
| 52 | - | ||
| 53 | - std::vector< std::vector<DMatch> > matches; | ||
| 54 | - if (a.rows < b.rows) descriptorMatcher->knnMatch(a, b, matches, 2); | ||
| 55 | - else descriptorMatcher->knnMatch(b, a, matches, 2); | ||
| 56 | - | ||
| 57 | - QList<float> distances; | ||
| 58 | - foreach (const std::vector<DMatch> &match, matches) { | ||
| 59 | - if (match[0].distance / match[1].distance > maxRatio) continue; | ||
| 60 | - distances.append(match[0].distance); | ||
| 61 | - } | ||
| 62 | - qSort(distances); | ||
| 63 | - | ||
| 64 | - float similarity = 0; | ||
| 65 | - for (int i=0; i<distances.size(); i++) | ||
| 66 | - similarity += 1.f/(1+distances[i])/(i+1); | ||
| 67 | - return similarity; | ||
| 68 | - } | ||
| 69 | -}; | ||
| 70 | - | ||
| 71 | -BR_REGISTER(Distance, KeyPointMatcherDistance) | ||
| 72 | - | ||
| 73 | -} // namespace br | ||
| 74 | - | ||
| 75 | -#include "distance/keypointmatcher.moc" |