bee.cpp
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 <QtCore>
#ifndef BR_EMBEDDED
#include <QtXml>
#endif // BR_EMBEDDED
#include "bee.h"
#include "opencvutils.h"
#include "qtutils.h"
using namespace cv;
using namespace br;
namespace BEE
{
FileList readSigset(const File &sigset, bool ignoreMetadata)
{
FileList fileList;
#ifndef BR_EMBEDDED
QDomDocument doc(sigset.fileName());
{
QFile file(sigset.resolved());
if (!file.open(QIODevice::ReadOnly))
qFatal("Unable to open %s for reading.", qPrintable(sigset));
if (!doc.setContent(&file))
qFatal("Unable to parse %s.", qPrintable(sigset));
}
QDomElement docElem = doc.documentElement();
if (docElem.nodeName() != "biometric-signature-set")
return fileList;
QDomNode subject = docElem.firstChild();
while (!subject.isNull()) {
// Looping through subjects
QDomNode fileNode = subject.firstChild();
QDomElement d = subject.toElement();
QString name = d.attribute("name");
while (!fileNode.isNull()) {
// Looping through files
File file("", name);
QDomElement e = fileNode.toElement();
QDomNamedNodeMap attributes = e.attributes();
for (int i=0; i<attributes.length(); i++) {
const QString key = attributes.item(i).nodeName();
const QString value = attributes.item(i).nodeValue();
if (key == "file-name") file.name = value;
else if (!ignoreMetadata) file.set(key, value);
}
// add bounding boxes, if they exist (will be child elements of <presentation>)
if (fileNode.hasChildNodes()) {
QList<QRectF> rects;
QDomNodeList bboxes = fileNode.childNodes();
for (int i=0; i<bboxes.length(); i++) {
QDomElement bbox = bboxes.at(i).toElement();
qreal x = bbox.attribute("x").toDouble();
qreal y = bbox.attribute("y").toDouble();
qreal width = bbox.attribute("width").toDouble();
qreal height = bbox.attribute("height").toDouble();
rects += QRectF(x, y, width, height);
}
file.setRects(rects);
}
if (file.name.isEmpty()) qFatal("Missing file-name in %s.", qPrintable(sigset));
fileList.append(file);
fileNode = fileNode.nextSibling();
}
subject = subject.nextSibling();
}
#else // BR_EMBEDDED
(void) sigset;
(void) ignoreMetadata;
#endif // BR_EMBEDDED
return fileList;
}
void writeSigset(const QString &sigset, const FileList &files, bool ignoreMetadata)
{
QStringList lines; lines.reserve(3*files.size()+3);
lines.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
lines.append("<biometric-signature-set>");
foreach (const File &file, files) {
if (!file.isNull()) {
QStringList metadata;
if (!ignoreMetadata) {
foreach (const QString &key, file.localKeys()) {
if ((key == "Index") || (key == "Label") || (key == "Points") || (key == "Rects")) continue;
metadata.append(key+"=\""+QtUtils::toString(file.value(key))+"\"");
}
QStringList landmarks;
if (!file.points().isEmpty()) {
foreach (const QPointF &point, file.points()) landmarks.append(QtUtils::toString(point));
metadata.append("Points=\"["+landmarks.join(",")+"]\""); landmarks.clear();
}
if (!file.rects().isEmpty()) {
foreach (const QRectF &rect, file.rects()) landmarks.append(QtUtils::toString(rect));
metadata.append("Rects=\"["+landmarks.join(",")+"]\"");
}
}
lines.append("\t<biometric-signature name=\"" + file.get<QString>("Label",file.baseName()) +"\">");
lines.append("\t\t<presentation file-name=\"" + file.name + "\" " + metadata.join(" ") + "/>");
lines.append("\t</biometric-signature>");
}
}
lines.append("</biometric-signature-set>");
QtUtils::writeFile(sigset, lines);
}
Mat readMatrix(const File &matrix, QString *targetSigset, QString *querySigset)
{
QFile file(matrix);
bool success = file.open(QFile::ReadOnly);
if (!success) qFatal("Unable to open %s for reading.", qPrintable(matrix.name));
// Check format
QByteArray format = file.readLine();
bool isDistance = (format[0] == 'D');
if (format[1] != '2') qFatal("Invalid matrix header.");
// Read sigsets
if (targetSigset != NULL) *targetSigset = file.readLine().simplified();
else file.readLine();
if (querySigset != NULL) *querySigset = file.readLine().simplified();
else file.readLine();
// Get matrix size
const QStringList words = QString(file.readLine()).split(" ");
const int rows = words[1].toInt();
const int cols = words[2].toInt();
const bool isMask = words[0][1] == 'B';
const size_t typeSize = isMask ? sizeof(BEE::MaskValue) : sizeof(BEE::SimmatValue);
// Get matrix data
Mat m;
if (isMask)
m.create(rows, cols, OpenCVType<BEE::MaskValue,1>::make());
else
m.create(rows, cols, OpenCVType<BEE::SimmatValue,1>::make());
const size_t bytesPerRow = (size_t)m.cols * typeSize;
for (int i=0; i<m.rows; i++) {
Mat aRow = m.row(i);
qint64 bytesRead = file.read((char *)aRow.data, bytesPerRow);
if (bytesRead != bytesPerRow)
qFatal("Didn't read complete row!");
}
if (!file.atEnd())
qFatal("Expected matrix end of file.");
file.close();
Mat result = m;
if (isDistance ^ matrix.get<bool>("negate", false))
m.convertTo(result, -1, -1);
return result;
}
void writeMatrix(const Mat &m, const QString &fileName, const QString &targetSigset, const QString &querySigset)
{
bool isMask = false;
if (m.type() == OpenCVType<BEE::MaskValue,1>::make())
isMask = true;
else if (m.type() != OpenCVType<BEE::SimmatValue,1>::make())
qFatal("Invalid matrix type, .mtx files can only contain single channel float or uchar matrices.");
const size_t elemSize = isMask ? sizeof(BEE::MaskValue) : sizeof(BEE::SimmatValue);
const QString matrixType = isMask ? "B" : "F";
char buff[4];
QFile file(fileName);
QtUtils::touchDir(file);
if (!file.open(QFile::WriteOnly))
qFatal("Unable to open %s for writing.", qPrintable(fileName));
file.write("S2\n");
file.write(qPrintable(targetSigset));
file.write("\n");
file.write(qPrintable(querySigset));
file.write("\n");
file.write("M");
file.write(qPrintable(matrixType));
file.write(" ");
file.write(qPrintable(QString::number(m.rows)));
file.write(" ");
file.write(qPrintable(QString::number(m.cols)));
file.write(" ");
const int endian = 0x12345678;
memcpy(&buff, &endian, 4);
file.write(buff, 4);
file.write("\n");
file.write((const char*)m.data, (size_t)m.rows*m.cols*elemSize);
file.close();
}
void readMatrixHeader(const QString &matrix, QString *targetSigset, QString *querySigset)
{
qDebug("Reading %s header.", qPrintable(matrix));
readMatrix(matrix, targetSigset, querySigset);
}
void writeMatrixHeader(const QString &matrix, const QString &targetSigset, const QString &querySigset)
{
qDebug("Writing %s header to %s %s.", qPrintable(matrix), qPrintable(targetSigset), qPrintable(querySigset));
writeMatrix(readMatrix(matrix), matrix, targetSigset, querySigset);
}
void makeMask(const QString &targetInput, const QString &queryInput, const QString &mask)
{
qDebug("Making mask from %s and %s to %s", qPrintable(targetInput), qPrintable(queryInput), qPrintable(mask));
const FileList targets = TemplateList::fromGallery(targetInput).files();
const FileList queries = (queryInput == ".") ? targets : TemplateList::fromGallery(queryInput).files();
const int partitions = targets.first().get<int>("crossValidate");
if (partitions <= 0) {
writeMatrix(makeMask(targets, queries), mask, targetInput, queryInput);
} else {
if (!mask.contains("%1")) qFatal("Mask file name missing partition number place marker (%%1)");
for (int i=0; i<partitions; i++) {
writeMatrix(makeMask(targets, queries, i), mask.arg(i), targetInput, queryInput);
}
}
}
void makePairwiseMask(const QString &targetInput, const QString &queryInput, const QString &mask)
{
qDebug("Making pairwise mask from %s and %s to %s", qPrintable(targetInput), qPrintable(queryInput), qPrintable(mask));
const FileList targets = TemplateList::fromGallery(targetInput).files();
const FileList queries = (queryInput == ".") ? targets : TemplateList::fromGallery(queryInput).files();
const int partitions = targets.first().get<int>("crossValidate");
if (partitions <= 0) {
writeMatrix(makePairwiseMask(targets, queries), mask, targetInput, queryInput);
} else {
if (!mask.contains("%1")) qFatal("Mask file name missing partition number place marker (%%1)");
for (int i=0; i<partitions; i++) {
writeMatrix(makePairwiseMask(targets, queries, i), mask.arg(i), targetInput, queryInput);
}
}
}
Mat makePairwiseMask(const FileList &targets, const FileList &queries, int partition)
{
// TODO: Direct use of "Label" isn't general, also would prefer to use indexProperty, rather than
// doing string comparisons (but that isn't implemented yet for FileList) -cao
const QStringList targetLabels = File::get<QString>(targets, "Label", "-1");
const QStringList queryLabels = File::get<QString>(queries, "Label", "-1");
const QList<int> targetPartitions = targets.crossValidationPartitions();
const QList<int> queryPartitions = queries.crossValidationPartitions();
Mat mask(queries.size(), 1, CV_8UC1);
for (int i=0; i<queries.size(); i++) {
const QString &fileA = queries[i];
const QString labelA = queryLabels[i];
const int partitionA = queryPartitions[i];
const QString &fileB = targets[i];
const QString labelB = targetLabels[i];
const int partitionB = targetPartitions[i];
MaskValue val;
if (fileA == fileB) val = DontCare;
else if (labelA == "-1") val = DontCare;
else if (labelB == "-1") val = DontCare;
else if (partitionA != partition) val = DontCare;
else if (partitionB == -1) val = NonMatch;
else if (partitionB != partition) val = DontCare;
else if (labelA == labelB) val = Match;
else val = NonMatch;
mask.at<MaskValue>(i,0) = val;
}
return mask;
}
Mat makeMask(const FileList &targets, const FileList &queries, int partition)
{
// TODO: Direct use of "Label" isn't general, also would prefer to use indexProperty, rather than
// doing string comparisons (but that isn't implemented yet for FileList) -cao
const QStringList targetLabels = File::get<QString>(targets, "Label", "-1");
const QStringList queryLabels = File::get<QString>(queries, "Label", "-1");
const QList<int> targetPartitions = targets.crossValidationPartitions();
const QList<int> queryPartitions = queries.crossValidationPartitions();
Mat mask(queries.size(), targets.size(), CV_8UC1);
for (int i=0; i<queries.size(); i++) {
const QString &fileA = queries[i];
const QString labelA = queryLabels[i];
const int partitionA = queryPartitions[i];
for (int j=0; j<targets.size(); j++) {
const QString &fileB = targets[j];
const QString labelB = targetLabels[j];
const int partitionB = targetPartitions[j];
MaskValue val;
if (fileA == fileB) val = DontCare;
else if (labelA == "-1") val = DontCare;
else if (labelB == "-1") val = DontCare;
else if (partitionA != partition) val = DontCare;
else if (partitionB == -1) val = NonMatch;
else if (partitionB != partition) val = DontCare;
else if (labelA == labelB) val = Match;
else val = NonMatch;
mask.at<MaskValue>(i,j) = val;
}
}
return mask;
}
void combineMasks(const QStringList &inputMasks, const QString &outputMask, const QString &method)
{
qDebug("Combining %d masks to %s with method %s", inputMasks.size(), qPrintable(outputMask), qPrintable(method));
bool AND = true;
if (method == "And") AND = true;
else if (method == "Or") AND = false;
else qFatal("Invalid method.");
QList<Mat> masks;
foreach (const QString &inputMask, inputMasks)
masks.append(readMatrix(inputMask));
if (masks.size() < 2)
qFatal("Expected at least two masks.");
const int rows = masks.first().rows;
const int columns = masks.first().cols;
Mat combinedMask(rows, columns, CV_8UC1);
for (int i=0; i<rows; i++) {
for (int j=0; j<columns; j++) {
int genuineCount = 0;
int imposterCount = 0;
int dontcareCount = 0;
for (int k=0; k<masks.size(); k++) {
switch (masks[k].at<MaskValue>(i,j)) {
case Match:
genuineCount++;
break;
case NonMatch:
imposterCount++;
break;
case DontCare:
dontcareCount++;
break;
}
}
if ((genuineCount != 0) && (imposterCount != 0)) qFatal("Comparison is both a genuine and an imposter.");
MaskValue val;
if (genuineCount > 0) val = Match;
else if (imposterCount > 0) val = NonMatch;
else val = DontCare;
if (AND && (dontcareCount > 0)) val = DontCare;
combinedMask.at<MaskValue>(i,j) = val;
}
}
writeMatrix(combinedMask, outputMask, "Combined_Targets", "Combined_Queries");
}
} // namespace BEE