Minor updates.

Brendan Klare
2 parents d14f9e50 d61c72e9
Showing 9 changed files with 432 additions and 63 deletions
openbr/core/eval.cpp
openbr/janus
openbr/janus.cpp
openbr/plugins/cascade.cpp
openbr/plugins/pp5.cpp
scripts/downloadDatasets.sh
scripts/downloadMEDS.sh
scripts/evalFaceRecognition-MEDS.sh
share/openbr/openbr.bib
@@ -130,6 +130,12 @@ float Evaluate(const Mat &amp;simmat, const Mat &amp;mask, const QString &amp;csv)
         qFatal("Similarity matrix (%ix%i) differs in size from mask matrix (%ix%i).",
                simmat.rows, simmat.cols, mask.rows, mask.cols);
+    if (simmat.type() != CV_32FC1)
+        qFatal("Invalid simmat format");
+
+    if (mask.type() != CV_8UC1)
+        qFatal("Invalid mask format");
+
     float result = -1;
     // Make comparisons
@@ -427,84 +433,106 @@ static QStringList computeDetectionResults(const QList&lt;ResolvedDetection&gt; &amp;detec
     return lines;
 }
-QString getDetectKey(const TemplateList &templates)
+struct DetectionKey : public QString
+{
+    enum Type {
+        Invalid,
+        Rect,
+        RectList,
+        XYWidthHeight
+    } type;
+
+    DetectionKey(const QString &key = "", Type type = Invalid)
+        : QString(key), type(type) {}
+};
+
+static DetectionKey getDetectKey(const FileList &files)
 {
-    const File &f = templates.first().file;
-    foreach (const QString &key, f.localKeys()) {
-        // first check for single detections
+    if (files.empty())
+        return DetectionKey();
+
+    const File &f = files.first();
+    const QStringList localKeys = f.localKeys();
+
+    // first check for single detections
+    foreach (const QString &key, localKeys)
         if (!f.get<QRectF>(key, QRectF()).isNull())
-            return key;
-    }
+            return DetectionKey(key, DetectionKey::Rect);
+
     // and then multiple
     if (!f.rects().empty())
-        return "Rects";
-    return "";
-}
+        return DetectionKey("Rects", DetectionKey::RectList);
-bool detectKeyIsList(QString key, const TemplateList &templates)
-{
-    return templates.first().file.get<QRectF>(key, QRectF()).isNull();
+    // check for <Key>_X, <Key>_Y, <Key>_Width, <Key>_Height
+    foreach (const QString &localKey, localKeys) {
+        if (!localKey.endsWith("_X"))
+            continue;
+        const QString key = localKey.mid(0, localKey.size()-2);
+        if (localKeys.contains(key+"_Y") &&
+            localKeys.contains(key+"_Width") &&
+            localKeys.contains(key+"_Height"))
+            return DetectionKey(key, DetectionKey::XYWidthHeight);
+    }
+
+    return DetectionKey();
 }
-// return a list of detections whether the template holds
-// multiple detections or a single detection
-QList<Detection> getDetections(QString key, const Template &t, bool isList, bool isTruth)
+// return a list of detections independent of the detection key format
+static QList<Detection> getDetections(const DetectionKey &key, const File &f, bool isTruth)
 {
-    File f = t.file;
     QList<Detection> dets;
-    if (isList) {
+    if (key.type == DetectionKey::RectList) {
         QList<QRectF> rects = f.rects();
         QList<float> confidences = f.getList<float>("Confidences", QList<float>());
         if (!isTruth && rects.size() != confidences.size())
             qFatal("You don't have enough confidence. I mean, your detections don't all have confidence measures.");
         for (int i=0; i<rects.size(); i++) {
             if (isTruth)
-                dets.append(Detection(rects.at(i)));
+                dets.append(Detection(rects[i]));
             else
-                dets.append(Detection(rects.at(i), confidences.at(i)));
+                dets.append(Detection(rects[i], confidences[i]));
         }
-    } else {
-        if (isTruth)
-            dets.append(Detection(f.get<QRectF>(key)));
-        else
-            dets.append(Detection(f.get<QRectF>(key), f.get<float>("Confidence", -1)));
+    } else if (key.type == DetectionKey::Rect) {
+        dets.append(Detection(f.get<QRectF>(key), isTruth ? -1 : f.get<float>("Confidence", -1)));
+    } else if (key.type == DetectionKey::XYWidthHeight) {
+        const QRectF rect(f.get<float>(key+"_X"), f.get<float>(key+"_Y"), f.get<float>(key+"_Width"), f.get<float>(key+"_Height"));
+        dets.append(Detection(rect, isTruth ? -1 : f.get<float>("Confidence", -1)));
     }
     return dets;
 }
-QMap<QString, Detections> getDetections(const TemplateList &predicted, const TemplateList &truth)
+static QMap<QString, Detections> getDetections(const File &predictedGallery, const File &truthGallery)
 {
+    const FileList predicted = TemplateList::fromGallery(predictedGallery).files();
+    const FileList truth = TemplateList::fromGallery(truthGallery).files();
+
     // Figure out which metadata field contains a bounding box
-    QString truthDetectKey = getDetectKey(truth);
-    if (truthDetectKey.isEmpty()) qFatal("No suitable ground truth metadata key found.");
-    QString predictedDetectKey = getDetectKey(predicted);
-    if (predictedDetectKey.isEmpty()) qFatal("No suitable predicted metadata key found.");
+    DetectionKey truthDetectKey = getDetectKey(truth);
+    if (truthDetectKey.isEmpty())
+        qFatal("No suitable ground truth metadata key found.");
+
+    DetectionKey predictedDetectKey = getDetectKey(predicted);
+    if (predictedDetectKey.isEmpty())
+        qFatal("No suitable predicted metadata key found.");
+
     qDebug("Using metadata key: %s%s",
            qPrintable(predictedDetectKey),
            qPrintable(predictedDetectKey == truthDetectKey ? QString() : "/"+truthDetectKey));
     QMap<QString, Detections> allDetections;
-    bool predKeyIsList = detectKeyIsList(predictedDetectKey, predicted);
-    bool truthKeyIsList = detectKeyIsList(truthDetectKey, truth);
-    foreach (const Template &t, predicted) {
-        QList<Detection> dets = getDetections(predictedDetectKey, t, predKeyIsList, false);
-        allDetections[t.file.baseName()].predicted.append(dets);
-    }
-    foreach (const Template &t, truth) {
-        QList<Detection> dets = getDetections(truthDetectKey, t, truthKeyIsList, true);
-        allDetections[t.file.baseName()].truth.append(dets);
-    }
+    foreach (const File &f, predicted)
+        allDetections[f.baseName()].predicted.append(getDetections(predictedDetectKey, f, false));
+    foreach (const File &f, truth)
+        allDetections[f.baseName()].truth.append(getDetections(truthDetectKey, f, true));
     return allDetections;
 }
 float EvalDetection(const QString &predictedGallery, const QString &truthGallery, const QString &csv)
 {
     qDebug("Evaluating detection of %s against %s", qPrintable(predictedGallery), qPrintable(truthGallery));
-    const TemplateList predicted(TemplateList::fromGallery(predictedGallery));
-    const TemplateList truth(TemplateList::fromGallery(truthGallery));
     // Organized by file, QMap used to preserve order
-    QMap<QString, Detections> allDetections = getDetections(predicted, truth);
+    QMap<QString, Detections> allDetections = getDetections(predictedGallery, truthGallery);
     QList<ResolvedDetection> resolvedDetections, falseNegativeDetections;
     int totalTrueDetections = 0;
-Subproject commit 670601106366ca802289ca1916a47b6f2ed4976e
+Subproject commit 9b8792922eaee3f34ea13a71874885433b61adda
@@ -77,15 +77,23 @@ janus_error janus_finalize_template(janus_template template_, janus_flat_templat
 {    
     *bytes = 0;
     foreach (const cv::Mat &m, *template_) {
-        assert(m.isContinuous());
+        if (!m.data)
+            continue;
+
+        if (!m.isContinuous())
+            return JANUS_UNKNOWN_ERROR;
+
         const size_t templateBytes = m.rows * m.cols * m.elemSize();
         if (*bytes + sizeof(size_t) + templateBytes > janus_max_template_size())
             break;
+
         memcpy(flat_template, &templateBytes, sizeof(templateBytes));
         flat_template += sizeof(templateBytes);
+        *bytes += sizeof(templateBytes);
+
         memcpy(flat_template, m.data, templateBytes);
         flat_template += templateBytes;
-        *bytes += sizeof(size_t) + templateBytes;
+        *bytes += templateBytes;
     }
     delete template_;
@@ -19,12 +19,144 @@
 #include "openbr_internal.h"
 #include "openbr/core/opencvutils.h"
 #include "openbr/core/resource.h"
+#include <QProcess>
 using namespace cv;
+    
+struct TrainParams
+{
+    QString data;               // REQUIRED: Filepath to store trained classifier
+    QString vec;                // REQUIRED: Filepath to store vector of positive samples, default "vector"
+    QString img;                // Filepath to source object image. Either this or info is REQUIRED
+    QString info;               // Description file of source images. Either this or img is REQUIRED
+    QString bg;                 // REQUIRED: Filepath to background list file
+    int num;                    // Number of samples to generate
+    int bgcolor;                // Background color supplied image (via img)
+    int bgthresh;               // Threshold to determine bgcolor match
+    bool inv;                   // Invert colors
+    bool randinv;               // Randomly invert colors
+    int maxidev;                // Max intensity deviation of foreground pixels
+    double maxxangle;           // Maximum rotation angle (X)
+    double maxyangle;           // Maximum rotation angle (Y)
+    double maxzangle;           // Maximum rotation angle (Z)
+    bool show;                  // Show generated samples
+    int w;                      // REQUIRED: Sample width
+    int h;                      // REQUIRED: Sample height
+    int numPos;                 // Number of positive samples
+    int numNeg;                 // Number of negative samples
+    int numStages;              // Number of stages
+    int precalcValBufSize;      // Precalculated val buffer size in Mb
+    int precalcIdxBufSize;      // Precalculated index buffer size in Mb
+    bool baseFormatSave;        // Save in old format
+    QString stageType;          // Stage type (BOOST)
+    QString featureType;        // Feature type (HAAR, LBP)
+    QString bt;                 // Boosted classifier type (DAB, RAB, LB, GAB)
+    double minHitRate;          // Minimal hit rate per stage
+    double maxFalseAlarmRate;   // Max false alarm rate per stage
+    double weightTrimRate;      // Weight for trimming
+    int maxDepth;               // Max weak tree depth
+    int maxWeakCount;           // Max weak tree count per stage
+    QString mode;               // Haar feature mode (BASIC, CORE, ALL)
-namespace br
+    TrainParams()
+    {
+        num = -1;
+        maxidev = -1;
+        maxxangle = -1;
+        maxyangle = -1;
+        maxzangle = -1;
+        w = -1;
+        h = -1;
+        numPos = -1;
+        numNeg = -1;
+        numStages = -1;
+        precalcValBufSize = -1;
+        precalcIdxBufSize = -1;
+        minHitRate = -1;
+        maxFalseAlarmRate = -1;
+        weightTrimRate = -1;
+        maxDepth = -1;
+        maxWeakCount = -1;
+        inv = false;
+        randinv = false;
+        show = false;
+        baseFormatSave = false;
+        vec = "vector.vec";
+        bgcolor = -1;
+        bgthresh = -1;
+    }
+};
+
+static QStringList buildTrainingArgs(const TrainParams &params)
+{
+    QStringList args;
+    if (params.data != "") args << "-data" << params.data;
+    else qFatal("Must specify storage location for cascade");
+    if (params.vec != "") args << "-vec" << params.vec;
+    else qFatal("Must specify location of positive vector");
+    if (params.bg != "") args << "-bg" << params.bg;
+    else qFatal("Must specify negative images");
+    if (params.numPos >= 0) args << "-numPos" << QString::number(params.numPos);
+    if (params.numNeg >= 0) args << "-numNeg" << QString::number(params.numNeg);
+    if (params.numStages >= 0) args << "-numStages" << QString::number(params.numStages);
+    if (params.precalcValBufSize >= 0) args << "-precalcValBufSize" << QString::number(params.precalcValBufSize);
+    if (params.precalcIdxBufSize >= 0) args << "-precalcIdxBufSize" << QString::number(params.precalcIdxBufSize);
+    if (params.baseFormatSave) args << "-baseFormatSave";
+    if (params.stageType != "") args << "-stageType" << params.stageType;
+    if (params.featureType != "") args << "-featureType" << params.featureType;
+    if (params.w >= 0) args << "-w" << QString::number(params.w);
+    else qFatal("Must specify width");
+    if (params.h >= 0) args << "-h" << QString::number(params.h);
+    else qFatal("Must specify height");
+    if (params.bt != "") args << "-bt" << params.bt;
+    if (params.minHitRate >= 0) args << "-minHitRate" << QString::number(params.minHitRate);
+    if (params.maxFalseAlarmRate >= 0) args << "-maxFalseAlarmRate" << QString::number(params.maxFalseAlarmRate);
+    if (params.weightTrimRate >= 0) args << "-weightTrimRate" << QString::number(params.weightTrimRate);
+    if (params.maxDepth >= 0) args << "-maxDepth" << QString::number(params.maxDepth);
+    if (params.maxWeakCount >= 0) args << "-maxWeakCount" << QString::number(params.maxWeakCount);
+    if (params.mode != "") args << "-mode" << params.mode;
+    return args;
+}
+
+static QStringList buildSampleArgs(const TrainParams &params)
+{
+    QStringList args;
+    if (params.vec != "") args << "-vec" << params.vec;
+    else qFatal("Must specify location of positive vector");
+    if (params.img != "") args << "-img" << params.img;
+    else if (params.info != "") args << "-info" << params.info;
+    else qFatal("Must specify positive images");
+    if (params.bg != "") args << "-bg" << params.bg;
+    if (params.num > 0) args << "-num" << QString::number(params.num);
+    if (params.bgcolor >=0 ) args << "-bgcolor" << QString::number(params.bgcolor); 
+    if (params.bgthresh >= 0) args << "-bgthresh" << QString::number(params.bgthresh); 
+    if (params.maxidev >= 0) args << "-maxidev" << QString::number(params.maxidev); 
+    if (params.maxxangle >= 0) args << "-maxxangle" << QString::number(params.maxxangle); 
+    if (params.maxyangle >= 0) args << "-maxyangle" << QString::number(params.maxyangle); 
+    if (params.maxzangle >= 0) args << "-maxzangle" << QString::number(params.maxzangle); 
+    if (params.w >= 0) args << "-w" << QString::number(params.w); 
+    if (params.h >= 0) args << "-h" << QString::number(params.h);
+    if (params.show) args << "-show";
+    if (params.inv) args << "-inv";
+    if (params.randinv) args << "-randinv";
+    return args;
+}
+
+static void genSamples(const TrainParams &params)
 {
+    const QStringList cmdArgs = buildSampleArgs(params);
+    QProcess::execute("opencv_createsamples",cmdArgs);
+}
+static void trainCascade(const TrainParams &params)
+{
+    const QStringList cmdArgs = buildTrainingArgs(params);
+    QProcess::execute("opencv_traincascade", cmdArgs);
+}
+ 
+namespace br
+{
+        
 class CascadeResourceMaker : public ResourceMaker<CascadeClassifier>
 {
     QString file;
@@ -37,7 +169,20 @@ public:
         else if (model == "Eye")         file += "haarcascades/haarcascade_eye_tree_eyeglasses.xml";
         else if (model == "FrontalFace") file += "haarcascades/haarcascade_frontalface_alt2.xml";
         else if (model == "ProfileFace") file += "haarcascades/haarcascade_profileface.xml";
-        else                             qFatal("Invalid model.");
+        else{
+            // Create temp folder if does not exist
+            file = model+QDir::separator()+"cascade.xml";
+            QDir dir(model);
+            if (!dir.exists())
+                if (!QDir::current().mkdir(model)) qFatal("Cannot create model.");
+            
+            // Make sure file can be created
+            QFile pathTest(file);
+            if (pathTest.exists()) pathTest.remove();
+            
+            if (!pathTest.open(QIODevice::WriteOnly | QIODevice::Text)) qFatal("Cannot create model.");
+            pathTest.remove();
+        }                             
     }
 private:
@@ -54,16 +199,60 @@ private:
  * \ingroup transforms
  * \brief Wraps OpenCV cascade classifier
  * \author Josh Klontz \cite jklontz
+ * \author David Crouse \cite dgcrouse
  */
-class CascadeTransform : public UntrainableMetaTransform
+class CascadeTransform : public MetaTransform
 {
     Q_OBJECT
     Q_PROPERTY(QString model READ get_model WRITE set_model RESET reset_model STORED false)
     Q_PROPERTY(int minSize READ get_minSize WRITE set_minSize RESET reset_minSize STORED false)
     Q_PROPERTY(bool ROCMode READ get_ROCMode WRITE set_ROCMode RESET reset_ROCMode STORED false)
+    
+    // Training parameters 
+    Q_PROPERTY(int numStages READ get_numStages WRITE set_numStages RESET reset_numStages STORED false) 
+    Q_PROPERTY(int w READ get_w WRITE set_w RESET reset_w STORED false)
+    Q_PROPERTY(int h READ get_h WRITE set_h RESET reset_h STORED false)
+    Q_PROPERTY(int numPos READ get_numPos WRITE set_numPos RESET reset_numPos STORED false)     
+    Q_PROPERTY(int numNeg READ get_numNeg WRITE set_numNeg RESET reset_numNeg STORED false) 
+    Q_PROPERTY(int precalcValBufSize READ get_precalcValBufSize WRITE set_precalcValBufSize RESET reset_precalcValBufSize STORED false) 
+    Q_PROPERTY(int precalcIdxBufSize READ get_precalcIdxBufSize WRITE set_precalcIdxBufSize RESET reset_precalcIdxBufSize STORED false) 
+    Q_PROPERTY(double minHitRate READ get_minHitRate WRITE set_minHitRate RESET reset_minHitRate STORED false)  
+    Q_PROPERTY(double maxFalseAlarmRate READ get_maxFalseAlarmRate WRITE set_maxFalseAlarmRate RESET reset_maxFalseAlarmRate STORED false)  
+    Q_PROPERTY(double weightTrimRate READ get_weightTrimRate WRITE set_weightTrimRate RESET reset_weightTrimRate STORED false)  
+    Q_PROPERTY(int maxDepth READ get_maxDepth WRITE set_maxDepth RESET reset_maxDepth STORED false) 
+    Q_PROPERTY(int maxWeakCount READ get_maxWeakCount WRITE set_maxWeakCount RESET reset_maxWeakCount STORED false) 
+    Q_PROPERTY(QString stageType READ get_stageType WRITE set_stageType RESET reset_stageType STORED false) 
+    Q_PROPERTY(QString featureType READ get_featureType WRITE set_featureType RESET reset_featureType STORED false) 
+    Q_PROPERTY(QString bt READ get_bt WRITE set_bt RESET reset_bt STORED false) 
+    Q_PROPERTY(QString mode READ get_mode WRITE set_mode RESET reset_mode STORED false) 
+    Q_PROPERTY(bool show READ get_show WRITE set_show RESET reset_show STORED false)    
+    Q_PROPERTY(bool baseFormatSave READ get_baseFormatSave WRITE set_baseFormatSave RESET reset_baseFormatSave STORED false)
+    Q_PROPERTY(bool overwrite READ get_overwrite WRITE set_overwrite RESET reset_overwrite STORED false)
+
     BR_PROPERTY(QString, model, "FrontalFace")
     BR_PROPERTY(int, minSize, 64)
     BR_PROPERTY(bool, ROCMode, false)
+        
+    // Training parameters - Default values provided trigger OpenCV defaults
+    BR_PROPERTY(int, numStages, -1)
+    BR_PROPERTY(int, w, -1)
+    BR_PROPERTY(int, h, -1)
+    BR_PROPERTY(int, numPos, -1)
+    BR_PROPERTY(int, numNeg, -1)      
+    BR_PROPERTY(int, precalcValBufSize, -1)
+    BR_PROPERTY(int, precalcIdxBufSize, -1)
+    BR_PROPERTY(double, minHitRate, -1)
+    BR_PROPERTY(double, maxFalseAlarmRate, -1)
+    BR_PROPERTY(double, weightTrimRate, -1)
+    BR_PROPERTY(int, maxDepth, -1)
+    BR_PROPERTY(int, maxWeakCount, -1)
+    BR_PROPERTY(QString, stageType, "")
+    BR_PROPERTY(QString, featureType, "")
+    BR_PROPERTY(QString, bt, "")
+    BR_PROPERTY(QString, mode, "")
+    BR_PROPERTY(bool, show, false)
+    BR_PROPERTY(bool, baseFormatSave, false)  
+    BR_PROPERTY(bool, overwrite, false)                     
     Resource<CascadeClassifier> cascadeResource;
@@ -71,6 +260,136 @@ class CascadeTransform : public UntrainableMetaTransform
     {
         cascadeResource.setResourceMaker(new CascadeResourceMaker(model));
     }
+    
+    // Train transform
+    void train(const TemplateList& data)
+    {
+        if (overwrite) {
+            QDir dataDir(model);
+            if (dataDir.exists()) {
+                dataDir.removeRecursively();
+                QDir::current().mkdir(model);
+            }
+        }
+        
+        const FileList files = data.files();
+
+        // Open positive and negative list files
+        const QString posFName = "pos.txt";
+        const QString negFName = "neg.txt";
+        QFile posFile(posFName);
+        QFile negFile(negFName);
+        posFile.open(QIODevice::WriteOnly | QIODevice::Text);
+        negFile.open(QIODevice::WriteOnly | QIODevice::Text);
+        QTextStream posStream(&posFile);
+        QTextStream negStream(&negFile);
+        
+        const QString endln = "\r\n";   
+        
+        int posCount = 0;
+        int negCount = 0;
+        
+        bool buildPos = false; // If true, build positive vector from single image
+        
+        TrainParams params;
+        
+        // Fill in from params (param defaults are same as struct defaults, so no checks are needed)
+        params.numStages = numStages;
+        params.w = w;
+        params.h = h;
+        params.numPos = numPos;
+        params.numNeg = numNeg;
+        params.precalcValBufSize = precalcValBufSize;
+        params.precalcIdxBufSize = precalcIdxBufSize;
+        params.minHitRate = minHitRate;
+        params.maxFalseAlarmRate = maxFalseAlarmRate;
+        params.weightTrimRate = weightTrimRate;
+        params.maxDepth = maxDepth;
+        params.maxWeakCount = maxWeakCount;
+        params.stageType = stageType;
+        params.featureType = featureType;
+        params.bt = bt;
+        params.mode = mode;
+        params.show = show;
+        params.baseFormatSave = baseFormatSave;
+        if (params.w < 0)   params.w = minSize;
+        if (params.h < 0)   params.h = minSize;
+        
+        for (int i = 0; i < files.length(); i++) {
+            File f = files[i];
+            if (f.contains("training-set")) {
+                QString tset = f.get<QString>("training-set",QString()).toLower();
+                
+                // Negative samples
+                if (tset == "neg") {
+                    if (negCount > 0) negStream<<endln;
+                    negStream << f.path() << QDir::separator() << f.fileName();
+                    negCount++;
+                
+                // Positive samples for crop/rescale    
+                }else if (tset == "pos") {
+                    
+                    if (posCount > 0) posStream<<endln;
+                    QString rects = "";
+                    
+                    // Extract rectangles
+                    for (int j = 0; j < f.rects().length(); j++) {
+                        QRectF r = f.rects()[j];
+                        rects += " " + QString::number(r.x()) + " " + QString::number(r.y()) + " " + QString::number(r.width()) + " "+ QString::number(r.height());
+                        posCount++;
+                    }
+                    if (f.rects().length() > 0)
+                        posStream << f.path() << QDir::separator() << f.fileName() << " " << f.rects().length() << " " << rects;
+                    
+                // Single positive sample for background removal and overlay on negatives
+                }else if (tset == "pos-base") {
+                    
+                    buildPos = true;
+                    params.img = f.path() + QDir::separator() + f.fileName();
+                    
+                    // Parse settings (unique to this one tag)
+                    if (f.contains("num")) params.num = f.get<int>("num",0);
+                    if (f.contains("bgcolor")) params.bgcolor = f.get<int>("bgcolor",0);
+                    if (f.contains("bgthresh")) params.bgthresh =f.get<int>("bgthresh",0);
+                    if (f.contains("inv")) params.inv =  f.get<bool>("inv",false);
+                    if (f.contains("randinv")) params.randinv =  f.get<bool>("randinv",false);
+                    if (f.contains("maxidev")) params.maxidev = f.get<int>("maxidev",0);
+                    if (f.contains("maxxangle")) params.maxxangle = f.get<double>("maxxangle",0);
+                    if (f.contains("maxyangle")) params.maxyangle = f.get<double>("maxyangle",0);
+                    if (f.contains("maxzangle")) params.maxzangle = f.get<double>("maxzangle",0); 
+                }
+            }
+        }
+        
+        // Fill in remaining params conditionally
+        posFile.close();
+        negFile.close();
+        if (buildPos) {
+            if (params.numPos < 0) {
+                if (params.num > 0) params.numPos = (int)(params.num*.95);
+                else params.numPos = 950;
+                posFile.remove();
+            }
+        }else{
+            params.info = posFName;
+            if (params.numPos < 0) {
+                params.numPos = (int)(posCount*.95);
+            }
+        }
+        params.bg = negFName;
+        params.data = model;
+        if (params.num < 0) {
+            params.num = posCount;
+        }
+        if (params.numNeg < 0) {
+            params.numNeg = negCount*10;
+        }
+        
+        genSamples(params);
+        trainCascade(params);
+        if (posFile.exists()) posFile.remove();
+        negFile.remove();
+    }
     void project(const Template &src, Template &dst) const
     {
@@ -322,6 +322,11 @@ class PP5CompareDistance : public Distance
             ppr_free_gallery(gallery.gallery);
     }
+    float compare(const cv::Mat &target, const cv::Mat &query) const
+    {
+        return compare(Template(target), Template(query));
+    }
+
     float compare(const Template &target, const Template &query) const
     {
         TemplateList targetList;
@@ -117,20 +117,7 @@ if [ ! -d ../data/LFW/img ]; then
   rm lfw.tgz
 fi
-# MEDS
-if [ ! -d ../data/MEDS/img ]; then
-  echo "Downloading MEDS..."
-  if hash curl 2>/dev/null; then
-    curl -OL http://nigos.nist.gov:8080/nist/sd/32/NIST_SD32_MEDS-II_face.zip
-  else
-    wget http://nigos.nist.gov:8080/nist/sd/32/NIST_SD32_MEDS-II_face.zip
-  fi
-
-  unzip NIST_SD32_MEDS-II_face.zip
-  mkdir ../data/MEDS/img
-  mv data/*/*.jpg ../data/MEDS/img
-  rm -r data NIST_SD32_MEDS-II_face.zip
-fi
+./downloadMeds.sh
 #LFPW
 if [ ! -d ../data/lfpw/trainset ]; then
+#!/bin/bash
+
+
+# MEDS
+if [ ! -d ../data/MEDS/img ]; then
+  echo "Downloading MEDS..."
+  if hash curl 2>/dev/null; then
+    curl -OL http://nigos.nist.gov:8080/nist/sd/32/NIST_SD32_MEDS-II_face.zip
+  else
+    wget http://nigos.nist.gov:8080/nist/sd/32/NIST_SD32_MEDS-II_face.zip
+  fi
+
+  unzip NIST_SD32_MEDS-II_face.zip
+  mkdir ../data/MEDS/img
+  mv data/*/*.jpg ../data/MEDS/img
+  rm -r data NIST_SD32_MEDS-II_face.zip
+fi
@@ -13,7 +13,7 @@ if ! hash br 2&gt;/dev/null; then
 fi
 # Get the data
-./downloadDatasets.sh
+./downloadMEDS.sh
 if [ ! -e Algorithm_Dataset ]; then
   mkdir Algorithm_Dataset
@@ -38,6 +38,11 @@
   Author = {Austin Van Blanton},
   Howpublished = {https://github.com/imaus10},
   Title = {imaus10 at gmail.com}}
+  
+  @misc{dgcrouse,
+    Author = {David G. Crouse},
+    Howpublished = {https://github.com/dgcrouse},
+    Title = {dgcrouse at gmail.com}}
 % Software
 @misc{libface,