Peter M. Groen / openbr

Commit 9f4327d3b48b388ef0074b7a6fff15bbcd895366

Authored by Josh Klontz
1 parent ac8caa74

remove rndsample

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Showing 1 changed file with 0 additions and 115 deletions
openbr/plugins/imgproc/rndsample.cpp deleted
View file @ac8caa7
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 <numeric>
18   -
19   -#include <openbr/plugins/openbr_internal.h>
20   -#include <openbr/core/opencvutils.h>
21   -#include <openbr/core/qtutils.h>
22   -
23   -using namespace cv;
24   -
25   -namespace br
26   -{
27   -
28   -/*!
29   - * \ingroup transforms
30   - * \brief Selects a random region about a point to use for training.
31   - * \author Scott Klum \cite sklum
32   - */
33   -
34   -class RndSampleTransform : public UntrainableMetaTransform
35   -{
36   - Q_OBJECT
37   - Q_PROPERTY(int pointIndex READ get_pointIndex WRITE set_pointIndex RESET reset_pointIndex)
38   - Q_PROPERTY(int sampleRadius READ get_sampleRadius WRITE set_sampleRadius RESET reset_sampleRadius)
39   - Q_PROPERTY(int sampleFactor READ get_sampleFactor WRITE set_sampleFactor RESET reset_sampleFactor)
40   - Q_PROPERTY(bool duplicatePositiveSamples READ get_duplicatePositiveSamples WRITE set_duplicatePositiveSamples RESET reset_duplicatePositiveSamples STORED true)
41   - Q_PROPERTY(QList<float> sampleOverlapBands READ get_sampleOverlapBands WRITE set_sampleOverlapBands RESET reset_sampleOverlapBands STORED true)
42   - Q_PROPERTY(int samplesPerOverlapBand READ get_samplesPerOverlapBand WRITE set_samplesPerOverlapBand RESET reset_samplesPerOverlapBand STORED true)
43   - Q_PROPERTY(bool classification READ get_classification WRITE set_classification RESET reset_classification STORED true)
44   - Q_PROPERTY(float overlapPower READ get_overlapPower WRITE set_overlapPower RESET reset_overlapPower STORED true)
45   - Q_PROPERTY(QString inputVariable READ get_inputVariable WRITE set_inputVariable RESET reset_inputVariable STORED true)
46   - BR_PROPERTY(int, pointIndex, 0)
47   - BR_PROPERTY(int, sampleRadius, 6)
48   - BR_PROPERTY(int, sampleFactor, 4)
49   - BR_PROPERTY(bool, duplicatePositiveSamples, true)
50   - BR_PROPERTY(QList<float>, sampleOverlapBands, QList<float>() << .1 << .5 << .7 << .9 << 1.0)
51   - BR_PROPERTY(int, samplesPerOverlapBand, 2)
52   - BR_PROPERTY(bool, classification, true)
53   - BR_PROPERTY(float, overlapPower, 1)
54   - BR_PROPERTY(QString, inputVariable, "Label")
55   -
56   - void project(const TemplateList &src, TemplateList &dst) const
57   - {
58   - foreach(const Template &t, src) {
59   - QPointF point = t.file.points()[pointIndex];
60   - QRectF region(point.x()-sampleRadius, point.y()-sampleRadius, sampleRadius*2, sampleRadius*2);
61   -
62   - if (region.x() < 0 ||
63   - region.y() < 0 ||
64   - region.x() + region.width() >= t.m().cols ||
65   - region.y() + region.height() >= t.m().rows)
66   - continue;
67   -
68   - int positiveSamples = duplicatePositiveSamples ? (sampleOverlapBands.size()-1)*samplesPerOverlapBand : 1;
69   - for (int k=0; k<positiveSamples; k++) {
70   - dst.append(Template(t.file, Mat(t.m(), OpenCVUtils::toRect(region))));
71   - dst.last().file.set(inputVariable, 1);
72   - }
73   -
74   - QList<int> labelCount;
75   - for (int k=0; k<sampleOverlapBands.size()-1; k++)
76   - labelCount << 0;
77   -
78   - while (std::accumulate(labelCount.begin(),labelCount.end(),0.0) < (sampleOverlapBands.size()-1)*samplesPerOverlapBand) {
79   -
80   - float x = rand() % (sampleFactor*sampleRadius) + region.x() - sampleFactor/2*sampleRadius;
81   - float y = rand() % (sampleFactor*sampleRadius) + region.y() - sampleFactor/2*sampleRadius;
82   -
83   - if (x < 0 || y < 0 || x+2*sampleRadius > t.m().cols || y+2*sampleRadius > t.m().rows)
84   - continue;
85   -
86   - QRectF negativeLocation = QRectF(x, y, sampleRadius*2, sampleRadius*2);
87   -
88   - float overlap = pow(QtUtils::overlap(region, negativeLocation),overlapPower);
89   -
90   - for (int k = 0; k<sampleOverlapBands.size()-1; k++) {
91   - if (overlap >= sampleOverlapBands.at(k) && overlap < sampleOverlapBands.at(k+1) && labelCount[k] < samplesPerOverlapBand) {
92   - Mat m(t.m(),OpenCVUtils::toRect(negativeLocation));
93   - dst.append(Template(t.file, m));
94   - float label = classification ? 0 : overlap;
95   - dst.last().file.set(inputVariable, label);
96   - labelCount[k]++;
97   - }
98   - }
99   - }
100   - }
101   - }
102   -
103   - void project(const Template &src, Template &dst) const {
104   - TemplateList temp;
105   - project(TemplateList() << src, temp);
106   - if (!temp.isEmpty()) dst = temp.first();
107   - }
108   -
109   -};
110   -
111   -BR_REGISTER(Transform, RndSampleTransform)
112   -
113   -} // namespace br
114   -
115   -#include "imgproc/rndsample.moc"