Peter M. Groen / openbr

Commit bd31789dc16ca53b5be191c0b274e99c2d001e6f

Authored by Josh Klontz
1 parent dbad1bf2

remove imposteruniquenessmeasure

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Showing 1 changed file with 0 additions and 94 deletions
openbr/plugins/metadata/imposteruniquenessmeasure.cpp deleted
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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 <openbr/plugins/openbr_internal.h>  
18 -#include <openbr/core/common.h>  
19 -  
20 -namespace br  
21 -{  
22 -  
23 -/*!  
24 - * \ingroup transforms  
25 - * \brief Impostor Uniqueness Measure  
26 - * \author Josh Klontz \cite jklontz  
27 - */  
28 -class ImpostorUniquenessMeasureTransform : public Transform  
29 -{  
30 - Q_OBJECT  
31 - Q_PROPERTY(br::Distance* distance READ get_distance WRITE set_distance RESET reset_distance STORED false)  
32 - Q_PROPERTY(double mean READ get_mean WRITE set_mean RESET reset_mean)  
33 - Q_PROPERTY(double stddev READ get_stddev WRITE set_stddev RESET reset_stddev)  
34 - Q_PROPERTY(QString inputVariable READ get_inputVariable WRITE set_inputVariable RESET reset_inputVariable STORED false)  
35 - BR_PROPERTY(br::Distance*, distance, Distance::make("Dist(L2)", this))  
36 - BR_PROPERTY(double, mean, 0)  
37 - BR_PROPERTY(double, stddev, 1)  
38 - BR_PROPERTY(QString, inputVariable, "Label")  
39 -  
40 - TemplateList impostors;  
41 -  
42 - float calculateIUM(const Template &probe, const TemplateList &gallery) const  
43 - {  
44 - const QString probeLabel = probe.file.get<QString>(inputVariable);  
45 - TemplateList subset = gallery;  
46 - for (int j=subset.size()-1; j>=0; j--)  
47 - if (subset[j].file.get<QString>(inputVariable) == probeLabel)  
48 - subset.removeAt(j);  
49 -  
50 - QList<float> scores = distance->compare(subset, probe);  
51 - float min, max;  
52 - Common::MinMax(scores, &min, &max);  
53 - double mean = Common::Mean(scores);  
54 - return (max-mean)/(max-min);  
55 - }  
56 -  
57 - void train(const TemplateList &data)  
58 - {  
59 - distance->train(data);  
60 - impostors = data;  
61 -  
62 - QList<float> iums; iums.reserve(impostors.size());  
63 - for (int i=0; i<data.size(); i++)  
64 - iums.append(calculateIUM(impostors[i], impostors));  
65 -  
66 - Common::MeanStdDev(iums, &mean, &stddev);  
67 - }  
68 -  
69 - void project(const Template &src, Template &dst) const  
70 - {  
71 - dst = src;  
72 - float ium = calculateIUM(src, impostors);  
73 - dst.file.set("Impostor_Uniqueness_Measure", ium);  
74 - dst.file.set("Impostor_Uniqueness_Measure_Bin", ium < mean-stddev ? 0 : (ium < mean+stddev ? 1 : 2));  
75 - }  
76 -  
77 - void store(QDataStream &stream) const  
78 - {  
79 - distance->store(stream);  
80 - stream << mean << stddev << impostors;  
81 - }  
82 -  
83 - void load(QDataStream &stream)  
84 - {  
85 - distance->load(stream);  
86 - stream >> mean >> stddev >> impostors;  
87 - }  
88 -};  
89 -  
90 -BR_REGISTER(Transform, ImpostorUniquenessMeasureTransform)  
91 -  
92 -} // namespace br  
93 -  
94 -#include "metadata/imposteruniquenessmeasure.moc"