Documentation typo

Scott Klum
2 parents 91c585cf 538f8840
Showing 11 changed files with 238 additions and 248 deletions
CMakeLists.txt
app/br/br.cpp
openbr/openbr.h
openbr/openbr_export.cpp
openbr/openbr_plugin.cpp
openbr/openbr_plugin.h
openbr/plugins/gallery.cpp
openbr/plugins/quality.cpp
share/openbr/Doxyfile.in
share/openbr/abstraction.svg
share/openbr/openbr.bib
@@ -121,7 +121,7 @@ endif()
 # Install
 install(FILES CHANGELOG.md LICENSE.txt README.md DESTINATION .)
-install(DIRECTORY data share DESTINATION .)
+install(DIRECTORY share DESTINATION .)
 install(DIRECTORY ${BR_THIRDPARTY_SHARE} DESTINATION share)
 # Package
@@ -24,9 +24,9 @@
 /*!
  * \defgroup cli Command Line Interface
- * \brief Command line application for running algorithms and evaluating results.
+ * \brief Command line wrapper of the \ref c_sdk.
  *
- * The easiest and fastest way to leverage the project, we use it all the time!
+ * The easiest and fastest way to run algorithms and evaluating results, we use it all the time!
  * Commands are designed to mirror the \ref c_sdk and are evaluated in the order they are entered.
  * To get started, try running:
  * \code
@@ -25,7 +25,7 @@ extern &quot;C&quot; {
  /*!
  * \defgroup c_sdk C SDK
- * \brief High-level API for running algorithms and evaluating results with wrappers available for other programming languages.
+ * \brief High-level API for running algorithms and evaluating results.
  *
  * In order to provide a high-level interface that is usable from the command line and callable from other programming languages,
  * the API is designed to operate at the "file system" level.
@@ -300,6 +300,7 @@ BR_EXPORT float br_progress();
  *
  * Used by the \ref cli to implement \c -daemon, generally not useful otherwise.
  * Guaranteed to return at least one argument.
+ * \param pipe Pipe name
  * \param[out] argc argument count
  * \param[out] argv argument list
  * \note \ref managed_return_value
@@ -17,22 +17,27 @@
 /*!
  * \mainpage
  * \section overview Overview
- * OpenBR \cite openbr is a toolkit for biometric recognition and evaluation.
- * Supported use cases include training new recognition algorithms, interfacing with commercial systems, and measuring algorithm performance.
- * Free algorithms are also available for specific modalities including \ref cpp_face_recognition, \ref cpp_age_estimation, and \ref cpp_gender_estimation.
+ * OpenBR \cite openbr is a framework for investigating new modalities, improving existing algorithms, interfacing with commercial systems, measuring recognition performance, and deploying automated biometric systems.
+ * The project is designed to facilitate rapid algorithm prototyping, and features a mature core framework, flexible plugin system, and support for open and closed source development.
+ * Off-the-shelf algorithms are also available for specific modalities including \ref cpp_face_recognition, \ref cpp_age_estimation, and \ref cpp_gender_estimation.
  *
- * There are three modules users may interact with:
- * - \ref cli - \copybrief cli
- * - \ref c_sdk - \copybrief c_sdk
- * - \ref cpp_plugin_sdk - \copybrief cpp_plugin_sdk
+ * OpenBR originated within The MITRE Corporation from a need to streamline the process of prototyping new algorithms.
+ * The project was later published as open source software under the <a href="http://www.apache.org/licenses/LICENSE-2.0.html">Apache 2</a> license and is <i>free for academic and commercial use</i>.
+ *
+ * \image html "share/openbr/abstraction.svg" "The two principal software artifacts are the shared library 'openbr' and command line application 'br'."
  *
  * \section get_started Get Started
  * - \ref installation - \copybrief installation
+ *
+ * \section learn_more Learn More
+ * - \ref cli - \copybrief cli
+ * - \ref c_sdk - \copybrief c_sdk
+ * - \ref cpp_plugin_sdk - \copybrief cpp_plugin_sdk
  */
 /*!
  * \page installation Installation
- * \brief A hacker's guide to building, editing, and running the project.
+ * \brief A hacker's guide to building, editing, and running OpenBR.
  *
  * \section installation_from_source From Source
  * Installation from source is the recommended method for getting OpenBR on your machine.
@@ -101,7 +106,7 @@ $ br -help
  *  $ nmake install
  *  $ nmake clean
  *  \endcode
-* -# <a href="http://releases.qt-project.org/qt5/5.0.1/single/qt-everywhere-opensource-src-5.0.1.zip">Download Qt 5.0.1</a> and unzip.
+ * -# <a href="http://releases.qt-project.org/qt5/5.0.1/single/qt-everywhere-opensource-src-5.0.1.zip">Download Qt 5.0.1</a> and unzip.
  *  -# Install Perl/Python/Ruby dependencies as explained in the "Windows" section of "README". Make sure they are added to "path" when given the option during installation.
  *  -# <a href="http://www.microsoft.com/en-us/download/confirmation.aspx?id=6812">Download Direct X Software Developement Kit</a> and install.
  *  -# From the VS2012 x64 Cross Tools Command Prompt:
@@ -25,13 +25,12 @@
 #include <QtConcurrentRun>
 #include <algorithm>
 #include <iostream>
-#include <openbr/openbr_plugin.h>
-#include <openbr/plugins/openbr_internal.h>
 #ifndef BR_EMBEDDED
 #include <QApplication>
 #endif
+#include "openbr_plugin.h"
 #include "version.h"
 #include "core/bee.h"
 #include "core/common.h"
@@ -634,62 +633,73 @@ void Object::load(QDataStream &amp;stream)
     init();
 }
-void Object::setProperty(const QString &name, const QString &value)
+void Object::setProperty(const QString &name, QVariant value)
 {
     QString type;
     int index = metaObject()->indexOfProperty(qPrintable(name));
     if (index != -1) type = metaObject()->property(index).typeName();
-    else             type = "";
-    QVariant variant;
-    if (type.startsWith("QList<") && type.endsWith(">")) {
-        if (!value.startsWith('[')) qFatal("Expected a list.");
-        const QStringList strings = parse(value.mid(1, value.size()-2));
+    if ((type.startsWith("QList<") && type.endsWith(">")) || (type == "QStringList")) {
+        QVariantList elements;
+        if (value.canConvert<QVariantList>()) {
+            elements = value.value<QVariantList>();
+        } else if (value.canConvert<QString>()) {
+            QString string = value.value<QString>();
+            if (!string.startsWith('[') || !string.endsWith(']'))
+                qFatal("Expected a list to start with '[' and end with 'brackets']'.");
+            foreach (const QString &element, parse(string.mid(1, string.size()-2)))
+                elements.append(element);
+        } else {
+            qFatal("Expected a list.");
+        }
-        if (type == "QList<float>") {
-            QList<float> values;
-            foreach (const QString &string, strings)
-                values.append(string.toFloat());
-            variant.setValue(values);
+        if ((type == "QList<QString>") || (type == "QStringList")) {
+            QStringList parsedValues;
+            foreach (const QVariant &element, elements)
+                parsedValues.append(element.toString());
+            value.setValue(parsedValues);
+        } else if (type == "QList<float>") {
+            QList<float> parsedValues; bool ok;
+            foreach (const QVariant &element, elements) {
+                parsedValues.append(element.toFloat(&ok));
+                if (!ok) qFatal("Failed to convert element to floating point format.");
+            }
+            value.setValue(parsedValues);
         } else if (type == "QList<int>") {
-            QList<int> values;
-            foreach (const QString &string, strings)
-                values.append(string.toInt());
-            variant.setValue(values);
+            QList<int> parsedValues; bool ok;
+            foreach (const QVariant &element, elements) {
+                parsedValues.append(element.toInt(&ok));
+                if (!ok) qFatal("Failed to convert element to integer format.");
+            }
+            value.setValue(parsedValues);
         } else if (type == "QList<br::Transform*>") {
-            QList<Transform*> values;
-            foreach (const QString &string, strings)
-                values.append(Transform::make(string, this));
-            variant.setValue(values);
+            QList<Transform*> parsedValues;
+            foreach (const QVariant &element, elements)
+                if (element.canConvert<QString>()) parsedValues.append(Transform::make(element.toString(), this));
+                else                               parsedValues.append(element.value<Transform*>());
+            value.setValue(parsedValues);
         } else if (type == "QList<br::Distance*>") {
-            QList<Distance*> values;
-            foreach (const QString &string, strings)
-                values.append(Distance::make(string, this));
-            variant.setValue(values);
+            QList<Distance*> parsedValues;
+            foreach (const QVariant &element, elements)
+                if (element.canConvert<QString>()) parsedValues.append(Distance::make(element.toString(), this));
+                else                               parsedValues.append(element.value<Distance*>());
+            value.setValue(parsedValues);
         } else {
             qFatal("Unrecognized type: %s", qPrintable(type));
         }
     } else if (type == "br::Transform*") {
-        variant.setValue(Transform::make(value, this));
+        if (value.canConvert<QString>())
+            value.setValue(Transform::make(value.toString(), this));
     } else if (type == "br::Distance*") {
-        variant.setValue(Distance::make(value, this));
-    } else if (type == "QStringList") {
-        variant.setValue(parse(value.mid(1, value.size()-2)));
+        if (value.canConvert<QString>())
+            value.setValue(Distance::make(value.toString(), this));
     } else if (type == "bool") {
-        if      (value.isEmpty())  variant = true;
-        else if (value == "false") variant = false;
-        else if (value == "true")  variant = true;
-        else                       variant = value;
-    } else {
-        variant = value;
+        if      (value.isNull())   value = true;
+        else if (value == "false") value = false;
+        else if (value == "true")  value = true;
     }
-    setProperty(name, variant, !type.isEmpty());
-}
-
-void Object::setProperty(const QString &name, const QVariant &value, bool failOnError)
-{
-    if (!QObject::setProperty(qPrintable(name), value) && failOnError)
+    if (!QObject::setProperty(qPrintable(name), value) && !type.isEmpty())
         qFatal("Failed to set %s::%s to: %s",
                metaObject()->className(), qPrintable(name), qPrintable(value.toString()));
 }
@@ -702,42 +712,27 @@ QStringList Object::parse(const QString &amp;string, char split)
 /* Object - private methods */
 void Object::init(const File &file_)
 {
-    this->file = file_;
-
-    // Set name
-    QString name = metaObject()->className();
-    if (name.startsWith("br::")) name = name.right(name.size()-4);
+    file = file_;
-    firstAvailablePropertyIdx = metaObject()->propertyCount();
-
-    const QMetaObject * baseClass = metaObject();
-    const QMetaObject * superClass = metaObject()->superClass();
-
-    while (superClass != NULL) {
-        const QMetaObject * nextClass = superClass->superClass();
-
-        // baseClass <- something <- br::Object
-        // baseClass is the highest class whose properties we can set via positional arguments
-        if (nextClass && !strcmp(nextClass->className(),"br::Object")) {
+    // Determine interfaceName and firstAvailablePropertyIdx
+    QString interfaceName;
+    const QMetaObject *baseClass = metaObject();
+    while (true) {
+        if (!strcmp(baseClass->superClass()->className(), "br::Object") /* Special case for classes that inherit directly from br::Object */ ||
+            !strcmp(baseClass->superClass()->superClass()->className(), "br::Object") /* General case for plugins that inherit indirectly from br::Object */) {
             firstAvailablePropertyIdx = baseClass->propertyOffset();
+            interfaceName = QString(baseClass->superClass()->className()).remove("br::");
+            break;
         }
-
-        QString superClassName = superClass->className();
-
-        // strip br:: prefix from superclass name
-        if (superClassName.startsWith("br::"))
-            superClassName = superClassName.right(superClassName.size()-4);
-
-        // Strip superclass name from base class name (e.g. PipeTransform -> Pipe)
-        if (name.endsWith(superClassName))
-            name = name.left(name.size() - superClassName.size());
-        baseClass = superClass;
-        superClass = superClass->superClass();
-
+        baseClass = baseClass->superClass();
     }
+
+    // Strip interface name from object name (e.g. PipeTransform -> Pipe)
+    QString name = QString(metaObject()->className()).remove("br::");
+    if (name.endsWith(interfaceName)) name = name.left(name.size() - interfaceName.size());
     setObjectName(name);
-    // Reset all properties
+    // Set properties to their default values
     for (int i=0; i<metaObject()->propertyCount(); i++) {
         QMetaProperty property = metaObject()->property(i);
         if (property.isResettable())
@@ -747,20 +742,16 @@ void Object::init(const File &amp;file_)
     foreach (QString key, file.localKeys()) {
         const QVariant value = file.value(key);
-        const QString valueString = value.toString();
-
         if (key.startsWith(("_Arg"))) {
             int argumentNumber =  key.mid(4).toInt();
             int targetIdx = argumentNumber + firstAvailablePropertyIdx;
             if (targetIdx >= metaObject()->propertyCount()) {
-                qWarning("too many arguments for transform %s, ignoring %s", qPrintable(objectName()), qPrintable(valueString));
+                qWarning("Too many arguments for object: %s, ignoring: %s", qPrintable(objectName()), qPrintable(value.toString()));
                 continue;
             }
             key = metaObject()->property(targetIdx).name();
         }
-
-        if (valueString.isEmpty()) setProperty(key, value);       // Set the property directly
-        else                       setProperty(key, valueString); // Parse the value first
+        setProperty(key, value);
     }
     init();
@@ -1121,14 +1112,9 @@ Transform *Transform::make(QString str, QObject *parent)
     Transform *transform = Factory<Transform>::make(f);
     if (transform->independent) {
-//        Transform *independentTransform = Factory<Transform>::make(".Independent");
-//        static_cast<QObject*>(independentTransform)->setProperty("transform", qVariantFromValue<void*>(transform));
-//        independentTransform->init();
-//        transform = independentTransform;
-
-                File independent(".Independent");
-                independent.set("transform", qVariantFromValue<void*>(transform));
-                transform = Factory<Transform>::make(independent);
+        File independent(".Independent");
+        independent.set("transform", qVariantFromValue<void*>(transform));
+        transform = Factory<Transform>::make(independent);
     }
     transform->setParent(parent);
@@ -44,7 +44,7 @@
 /*!
  * \defgroup cpp_plugin_sdk C++ Plugin SDK
- * \brief Plugin API for developing new algorithms.
+ * \brief Plugin API for extending OpenBR functionality.
  *
  * \code
  * #include <openbr/openbr_plugin.h>
@@ -96,7 +96,7 @@ namespace br
  *
  * \b Example:<br>
  * Note the symmetry between \c BR_PROPERTY and \c Q_PROPERTY.
- * \snippet sdk/plugins/misc.cpp example_transform
+ * \snippet openbr/plugins/misc.cpp example_transform
  */
 #define BR_PROPERTY(TYPE,NAME,DEFAULT)                  \
 TYPE NAME;                                              \
@@ -107,19 +107,28 @@ void reset_##NAME() { NAME = DEFAULT; }
 /*!
  * \brief A file path with associated metadata.
  *
- * The br::File is one of the workhorse classes in OpenBR.
+ * The File is one of two important data structures in OpenBR (the Template is the other).
  * It is typically used to store the path to a file on disk with associated metadata.
- * The ability to associate a metadata map with the file helps keep the API simple and stable while providing customizable behavior when appropriate.
+ * The ability to associate a key/value metadata table with the file helps keep the API simple while providing customizable behavior.
  *
- * When querying the value of a metadata key, the value will first try to be resolved using the file's private metadata.
- * If the key does not exist in the local map then it will be resolved using the properities in the global br::Context.
- * This has the desirable effect that file metadata may optionally be set globally using br::Context::set to operate on all files.
+ * When querying the value of a metadata key, the value will first try to be resolved against the file's private metadata table.
+ * If the key does not exist in its local table then it will be resolved against the properities in the global Context.
+ * By design file metadata may be set globally using Context::setProperty to operate on all files.
  *
  * Files have a simple grammar that allow them to be converted to and from strings.
  * If a string ends with a \c ] or \c ) then the text within the final \c [] or \c () are parsed as comma sperated metadata fields.
- * Fields within \c [] are expected to have the format <tt>[key1=value1, key2=value2, ..., keyN=valueN]</tt>.
- * Fields within \c () are expected to have the format <tt>(value1, value2, ..., valueN)</tt> with the keys determined from the order of \c Q_PROPERTY.
- * The rest of the string is assigned to #name.
+ * By convention, fields within \c [] are expected to have the format <tt>[key1=value1, key2=value2, ..., keyN=valueN]</tt> where order is irrelevant.
+ * Fields within \c () are expected to have the format <tt>(value1, value2, ..., valueN)</tt> where order matters and the key context dependent.
+ * The left hand side of the string not parsed in a manner described above is assigned to #name.
+ *
+ * Values are not necessarily stored as strings in the metadata table.
+ * The system will attempt to infer and convert them to their "native" type.
+ * The conversion logic is as follows:
+ * -# If the value starts with \c [ and ends with \c ] then it is treated as a comma separated list and represented with \c QVariantList. Each value in the list is parsed recursively.
+ * -# If the value starts with \c ( and ends with \c ) and contains four comma separated elements, each convertable to a floating point number, then it is represented with \c QRectF.
+ * -# If the value starts with \c ( and ends with \c ) and contains two comma separated elements, each convertable to a floating point number, then it is represented with \c QPointF.
+ * -# If the value is convertable to a floating point number then it is represented with \c float.
+ * -# Otherwise, it is represented with \c QString.
  *
  * The metadata keys \c Subject and \c Label have special significance in the system.
  * \c Subject is a string specifying a unique identifier used to determine ground truth match/non-match.
@@ -298,7 +307,7 @@ struct BR_EXPORT FileList : public QList&lt;File&gt;
 /*!
  * \brief A list of matrices associated with a file.
  *
- * The br::Template is one of the workhorse classes in OpenBR.
+ * The Template is one of two important data structures in OpenBR (the File is the other).
  * A template represents a biometric at various stages of enrollment and can be modified by br::Transform and compared to other templates with br::Distance.
  *
  * While there exist many cases (ex. video enrollment, multiple face detects, per-patch subspace learning, ...) where the template will contain more than one matrix,
@@ -489,9 +498,7 @@ struct TemplateList : public QList&lt;Template&gt;
 class BR_EXPORT Object : public QObject
 {
     Q_OBJECT
-
-    // Index of the first property that can be set via command line arguments
-    int firstAvailablePropertyIdx;
+    int firstAvailablePropertyIdx; /*!< \brief Index of the first property that can be set via command line arguments. */
 public:
     File file; /*!< \brief The file used to construct the plugin. */
@@ -504,8 +511,7 @@ public:
     QStringList arguments() const; /*!< \brief A string describing the values the object has. */
     QString argument(int index) const; /*!< \brief A string value for the argument at the specified index. */
     QString description() const; /*!< \brief Returns a string description of the object. */
-    void setProperty(const QString &name, const QString &value); /*!< \brief Overload of QObject::setProperty to handle OpenBR data types. */
-    void setProperty(const QString &name, const QVariant &value, bool failOnError = false); /*!< \brief Overload of QObject::setProperty to handle OpenBR data types. */
+    void setProperty(const QString &name, QVariant value); /*!< \brief Overload of QObject::setProperty to handle OpenBR data types. */
     static QStringList parse(const QString &string, char split = ','); /*!< \brief Splits the string while respecting lexical scoping of <tt>()</tt>, <tt>[]</tt>, <tt>\<\></tt>, and <tt>{}</tt>. */
 private:
@@ -715,6 +721,7 @@ public:
      *                 By default <tt>share/openbr/openbr.bib</tt> will be searched for relative to:
      *                   -# The working directory
      *                   -# The executable's location
+     * \param use_gui Create a QApplication instead of a QCoreApplication.
      * \note Tiggers \em abort() on failure to locate <tt>share/openbr/openbr.bib</tt>.
      * \note <a href="http://qt-project.org/">Qt</a> users should instead call this <i>after</i> initializing QApplication.
      * \see finalize
@@ -858,7 +865,7 @@ const FactoryInstance&lt;_Abstraction,_Implementation&gt; FactoryInstance&lt;_Abstraction
  *
  * \b Example:<br>
  * Note the use of \c Q_OBJECT at the beginning of the class declaration and \c BR_REGISTER after the class declaration.
- * \snippet sdk/plugins/misc.cpp example_transform
+ * \snippet openbr/plugins/misc.cpp example_transform
  */
 #define BR_REGISTER(ABSTRACTION,IMPLEMENTATION)       \
 template class                                        \
@@ -14,6 +14,7 @@
  * limitations under the License.                                            *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+#include <QRegularExpression>
 #include <QtConcurrentRun>
 #ifndef BR_EMBEDDED
 #include <QNetworkAccessManager>
@@ -128,10 +129,13 @@ BR_REGISTER(Gallery, galGallery)
  * \ingroup galleries
  * \brief Reads/writes templates to/from folders.
  * \author Josh Klontz \cite jklontz
+ * \param regexp An optional regular expression to match against the files extension.
  */
 class EmptyGallery : public Gallery
 {
     Q_OBJECT
+    Q_PROPERTY(QString regexp READ get_regexp WRITE set_regexp RESET reset_regexp STORED false)
+    BR_PROPERTY(QString, regexp, "")
     void init()
     {
@@ -160,6 +164,13 @@ class EmptyGallery : public Gallery
         foreach (const QString &fileName, QtUtils::getFiles(file.name, false))
             templates.append(File(fileName, dir.dirName()));
+        if (!regexp.isEmpty()) {
+            const QRegularExpression re(regexp);
+            for (int i=templates.size()-1; i>=0; i--)
+                if (!re.match(templates[i].file.suffix()).hasMatch())
+                    templates.removeAt(i);
+        }
+
         return templates;
     }
@@ -181,8 +181,9 @@ class MatchProbabilityDistance : public Distance
     float compare(const Template &target, const Template &query) const
     {
         float rawScore = distance->compare(target, query);
-        if (rawScore == -std::numeric_limits<float>::max()) return rawScore;
-        return mp(rawScore, gaussian);
+        return -log(rawScore+1);
+        //if (rawScore == -std::numeric_limits<float>::max()) return rawScore;
+        //return mp(rawScore, gaussian);
     }
     void store(QDataStream &stream) const
@@ -130,7 +130,7 @@ FULL_PATH_NAMES        = YES
 # relative paths, which will be relative from the directory where doxygen is
 # started.
-STRIP_FROM_PATH        = ${CMAKE_CURRENT_SOURCE_DIR}
+STRIP_FROM_PATH        = ${CMAKE_SOURCE_DIR}
 # The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of
 # the path mentioned in the documentation of a class, which tells
@@ -661,9 +661,8 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories
 # with spaces.
-INPUT                  = ${CMAKE_CURRENT_SOURCE_DIR}/sdk \
-                         ${CMAKE_CURRENT_SOURCE_DIR}/app/br \
-                         ${CMAKE_CURRENT_SOURCE_DIR}/app/examples
+INPUT                  = ${CMAKE_SOURCE_DIR}/app \
+                         ${CMAKE_SOURCE_DIR}/openbr
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is
@@ -681,8 +680,7 @@ INPUT_ENCODING         = UTF-8
 # *.hxx *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.dox *.py
 # *.f90 *.f *.for *.vhd *.vhdl
-FILE_PATTERNS          = *.h \
-                         *.cpp
+FILE_PATTERNS          = *.h *.cpp
 # The RECURSIVE tag can be used to turn specify whether or not subdirectories
 # should be searched for input files as well. Possible values are YES and NO.
@@ -710,7 +708,9 @@ EXCLUDE_SYMLINKS       = YES
 # against the file with absolute path, so to exclude all test directories
 # for example use the pattern */test/*
-EXCLUDE_PATTERNS       = */core/*
+EXCLUDE_PATTERNS       = */core/*.cpp \
+                         */gui/*.cpp \
+                         */icons/*
 # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
 # (namespaces, classes, functions, etc.) that should be excluded from the
@@ -733,7 +733,8 @@ EXCLUDE_SYMBOLS        = br::FactoryInstance \
 # directories that contain example code fragments that are included (see
 # the \include command).
-EXAMPLE_PATH           = ${CMAKE_CURRENT_SOURCE_DIR}/
+EXAMPLE_PATH           = ${CMAKE_SOURCE_DIR}/app \
+                         ${CMAKE_SOURCE_DIR}/openbr
 # If the value of the EXAMPLE_PATH tag contains directories, you can use the
 # EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
@@ -754,7 +755,7 @@ EXAMPLE_RECURSIVE      = YES
 # directories that contain image that are included in the documentation (see
 # the \image command).
-IMAGE_PATH             =
+IMAGE_PATH             = ${CMAKE_SOURCE_DIR}
 # The INPUT_FILTER tag can be used to specify a program that doxygen should
 # invoke to filter for each input file. Doxygen will invoke the filter program
@@ -1245,13 +1246,13 @@ SERVER_BASED_SEARCH    = NO
 # If the GENERATE_LATEX tag is set to YES (the default) Doxygen will
 # generate Latex output.
-GENERATE_LATEX         = YES
+GENERATE_LATEX         = NO
 # The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put.
 # If a relative path is entered the value of OUTPUT_DIRECTORY will be
 # put in front of it. If left blank `latex' will be used as the default path.
-LATEX_OUTPUT           = latex
+LATEX_OUTPUT           =
 # The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
 # invoked. If left blank `latex' will be used as the default command name.
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@@ -104,7 +104,6 @@
   number={12},
   pages={2037--2041},
   year={2006},
-  publisher={IEEE}
 }
 @article{belhumeur1997eigenfaces,
@@ -115,11 +114,10 @@
   number={7},
   pages={711--720},
   year={1997},
-  publisher={IEEE}
 }
 @incollection{bolme2003csu,
-  title={The CSU face identification evaluation system: its purpose, features, and structure},
+  title={The {CSU} face identification evaluation system: its purpose, features, and structure},
   author={Bolme, David S and Beveridge, J Ross and Teixeira, Marcio and Draper, Bruce A},
   booktitle={Computer Vision Systems},
   pages={304--313},
@@ -132,8 +130,6 @@
   author={Bolme, David S and Draper, Bruce A and Beveridge, J Ross},
   booktitle={IEEE Conf. on Computer Vision and Pattern Recognition, 2009},
   pages={2105--2112},
-  year={2009},
-  organization={IEEE}
 }
 @article{bradski2000opencv,
@@ -150,10 +146,8 @@
 @inproceedings{cao2010face,
   title={Face recognition with learning-based descriptor},
   author={Cao, Zhimin and Yin, Qi and Tang, Xiaoou and Sun, Jian},
-  booktitle={Computer Vision and Pattern Recognition (CVPR), 2010 IEEE Conference on},
+  booktitle={IEEE Conf. on Computer Vision and Pattern Recognition (CVPR), 2010},
   pages={2707--2714},
-  year={2010},
-  organization={IEEE}
 }
 @misc{founds2011nist,
@@ -229,10 +223,8 @@
 @inproceedings{klare2011aging,
   title={Face recognition across time lapse: On learning feature subspaces},
   author={Klare, Brendan and Jain, Anil K},
-  booktitle={Biometrics (IJCB), 2011 International Joint Conference on},
+  booktitle={IEEE International Joint Conf. on Biometrics (IJCB), 2011},
   pages={1--8},
-  year={2011},
-  organization={IEEE}
 }
 @inproceedings{li2009hfb,
@@ -240,17 +232,24 @@
   author={Li, Stan Z and Lei, Zhen and Ao, Meng},
   booktitle={IEEE Conf. on Computer Vision and Pattern Recognition Workshops, 2009},
   pages={1--8},
-  year={2009},
-  organization={IEEE}
+}
+
+@article{lowe2004distinctive,
+  title={Distinctive image features from scale-invariant keypoints},
+  author={Lowe, David G},
+  journal={International journal of computer vision},
+  volume={60},
+  number={2},
+  pages={91--110},
+  year={2004},
+  publisher={Springer}
 }
 @inproceedings{lui2012preliminary,
   title={Preliminary studies on the Good, the Bad, and the Ugly face recognition challenge problem},
   author={Lui, Yui Man and Bolme, D and Phillips, PJ and Beveridge, JR and Draper, BA},
-  booktitle={Computer Vision and Pattern Recognition Workshops (CVPRW), 2012 IEEE Computer Society Conference on},
-  pages={9--16},
-  year={2012},
-  organization={IEEE}
+  booktitle={IEEE Computer Society Conf. on Computer Vision and Pattern Recognition Workshops (CVPRW), 2012 },
+  pages={9--16}
 }
 @article{meyers2008using,
@@ -274,7 +273,7 @@
 }
 @article{phillips2000feret,
-  title={The FERET evaluation methodology for face-recognition algorithms},
+  title={The {FERET} evaluation methodology for face-recognition algorithms},
   author={Phillips, P. Jonathon and Moon, Hyeonjoon and Rizvi, Syed A. and Rauss, Patrick J.},
   journal={IEEE Trans. on Pattern Analysis and Machine Intelligence},
   volume={22},
@@ -287,10 +286,8 @@
 @inproceedings{phillips2011introduction,
   title={An introduction to the good, the bad, \& the ugly face recognition challenge problem},
   author={Phillips, P Jonathon and Beveridge, J Ross and Draper, Bruce A and Givens, Geof and O'Toole, Alice J and Bolme, David S and Dunlop, Joseph and Lui, Yui Man and Sahibzada, Hassan and Weimer, Samuel},
-  booktitle={Automatic Face \& Gesture Recognition and Workshops (FG 2011), 2011 IEEE International Conference on},
+  booktitle={IEEE International Conf. on Automatic Face \& Gesture Recognition (FG) Workshops, 2011},
   pages={346--353},
-  year={2011},
-  organization={IEEE}
 }
 @inproceedings{phillips2005overview,
@@ -299,14 +296,12 @@
   booktitle={IEEE Conf. on Computer Vision and Pattern Recognition, 2005},
   volume={1},
   pages={947--954},
-  year={2005},
-  organization={IEEE}
 }
 @article{tan2010enhanced,
   title={Enhanced local texture feature sets for face recognition under difficult lighting conditions},
   author={Tan, Xiaoyang and Triggs, Bill},
-  journal={Image Processing, IEEE Transactions on},
+  journal={IEEE Trans. on Image Processing},
   volume={19},
   number={6},
   pages={1635--1650},
@@ -359,9 +354,7 @@
     author={Wang, Xiaogang and Tang, Xiaoou},
     booktitle={IEEE Conf. on Computer Vision and Pattern Recognition, 2004},
     volume={2},
-    pages={II--259},
-    year={2004},
-    organization={IEEE}
+    pages={II--259}
 }
 @article{wang2009face,
@@ -378,10 +371,8 @@
 @inproceedings{yang2011articulated,
   title={Articulated pose estimation with flexible mixtures-of-parts},
   author={Yang, Yi and Ramanan, Deva},
-  booktitle={Computer Vision and Pattern Recognition (CVPR), 2011 IEEE Conference on},
+  booktitle={IEEE Conf. on Computer Vision and Pattern Recognition (CVPR), 2011},
   pages={1385--1392},
-  year={2011},
-  organization={IEEE}
 }
 @article{yu2001direct,
@@ -399,7 +390,5 @@
   title={Coupled information-theoretic encoding for face photo-sketch recognition},
   author={Zhang, Wei and Wang, Xiaogang and Tang, Xiaoou},
   booktitle={IEEE Conf. on Computer Vision and Pattern Recognition, 2011},
-  pages={513--520},
-  year={2011},
-  organization={IEEE}
+  pages={513--520}
 }