diff --git a/openbr/gui/rankretrieval.cpp b/openbr/gui/rankretrieval.cpp
new file mode 100644
index 0000000..837ce7b
--- /dev/null
+++ b/openbr/gui/rankretrieval.cpp
@@ -0,0 +1,136 @@
+#include "rankretrieval.h"
+
+#include <QtConcurrent>
+
+#include <openbr/openbr.h>
+#include <openbr/gui/faceviewer.h>
+
+using namespace br;
+
+RankRetrieval::RankRetrieval(QWidget *parent) :
+    QWidget(parent)
+{
+    targetPath = Context::scratchPath();
+}
+
+void RankRetrieval::clear()
+{
+
+}
+
+// This should be changed to used algorithm.cpp
+void RankRetrieval::setAlgorithm(const QString &algorithm)
+{
+    br_set_property("algorithm",qPrintable(algorithm));
+}
+
+void RankRetrieval::setTargetGallery(const File &file)
+{
+    target = file;
+    enroll();
+}
+
+void RankRetrieval::setTargetPath()
+{
+    targetPath = QFileDialog::getSaveFileName(this, "Specify Target Gallery...", targetPath, tr(".gal Files (*.gal)"));
+}
+
+void RankRetrieval::setQueryGallery(const File &file)
+{
+    query = file;
+
+    // Change this to the set algorithm
+    QSharedPointer<Transform> transform = br::Transform::fromAlgorithm("FaceDetection+FaceRecognitionRegistration");
+    Template queryTemplate(query);
+    queryTemplate >> *transform;
+
+    emit newQueryFile(queryTemplate.file);
+}
+
+void RankRetrieval::enroll()
+{
+    File targetGallery(targetPath + ".gal");
+    targetGallery.set("append", true);
+
+    enrollWatcher.setFuture(QtConcurrent::run(Enroll, targetGallery.flat(), target.flat()));
+}
+
+void RankRetrieval::compare()
+{
+
+}
+
+void RankRetrieval::first()
+{
+    /*if (matches.isEmpty() || gridPage == 0 || comparing) return;
+
+    gridPage = 0;
+
+    emit clearSelection();
+
+    displayMugshots();*/
+}
+
+void RankRetrieval::previous()
+{
+    /*if (matches.isEmpty() || gridPage == 0 || comparing) return;
+
+    gridPage--;
+
+    emit clearSelection();
+
+    displayMugshots();*/
+}
+
+void RankRetrieval::next()
+{
+    /*if (matches.isEmpty() || matches.size() <= gridPage*gridSize+gridSize || comparing) return;
+
+    gridPage++;
+
+    emit clearSelection();
+
+    displayMugshots();*/
+}
+
+void RankRetrieval::last()
+{
+    /*if (matches.isEmpty() || gridPage == matches.size()/gridSize || comparing) return;
+
+    gridPage = matches.size()/gridSize;
+
+    emit clearSelection();
+
+    displayMugshots();*/
+}
+
+void RankRetrieval::setIndex(int index)
+{
+
+}
+
+void RankRetrieval::compareDone()
+{
+    /*
+    if (matches.isEmpty()) return;
+
+    br::FileList displayMugshots;
+    QStringList labels;
+
+    for(int i = gridPage*gridSize; i < gridPage*gridSize+gridSize; i++) {
+        if (i >= matches.size()) {
+            break;
+        }
+
+        displayMugshots.push_back(matches[i]);
+        labels.push_back("Rank: " + QString::number(i+1) + "\nScore: " + QString::number(scores[i], 'f', 3));
+    }
+
+    if (index != -1) heatMap(index);
+
+    emit newMugshotLineup(displayMugshots, index);
+    emit newFormat(targetFormat);
+    emit newLabels(labels);*/
+}
+
+#include "moc_rankretrieval.cpp"
diff --git a/openbr/gui/rankretrieval.h b/openbr/gui/rankretrieval.h
new file mode 100644
index 0000000..9548335
--- /dev/null
+++ b/openbr/gui/rankretrieval.h
@@ -0,0 +1,55 @@
+#ifndef BR_RANKRETRIEVAL_H
+#define BR_RANKRETRIEVAL_H
+
+#include <QFutureWatcher>
+#include <QFileDialog>
+#include <openbr/openbr_plugin.h>
+#include <openbr/gui/faceviewer.h>
+
+namespace br {
+
+class BR_EXPORT RankRetrieval : public QWidget
+{
+    Q_OBJECT
+
+    File target, query;
+    FileList targetFiles, queryFiles;
+    QList<float> scores;
+    QFutureWatcher<void> enrollWatcher;
+    QFutureWatcher<void> compareWatcher;
+
+    QString targetPath;
+
+public:
+    explicit RankRetrieval(QWidget *parent = 0);
+
+public slots:
+    void setAlgorithm(const QString &algorithm);
+
+    void clear();
+    void setIndex(int index);
+    void setTargetGallery(const File &file);
+    void setTargetPath();
+    void setQueryGallery(const File &file);
+
+    void first();
+    void previous();
+    void next();
+    void last();
+
+    void compareDone();
+
+signals:
+    void newTargetFileList(FileList file);
+    void newQueryFile(File file);
+    void newScore(float score);
+
+private:
+    void enroll();
+    void compare();
+
+};
+
+} // namespace br
+
+#endif // BR_RANKRETRIEVAL_H