diff --git a/.gitignore b/.gitignore
index 25abe9f..4727cfa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,6 @@ scripts/results
 
 ### vim ###
 *.swp
+
+### autogenerated sigsets ###
+data/INRIAPerson/sigset
diff --git a/data/INRIAPerson/README.md b/data/INRIAPerson/README.md
new file mode 100644
index 0000000..61d79f6
--- /dev/null
+++ b/data/INRIAPerson/README.md
@@ -0,0 +1,3 @@
+## INRIA Person Database
+Dataset for human detection in several formats: original positive and negative images with bounding box annotations and normalized positive images (just the bounding box).
+* [Website](http://pascal.inrialpes.fr/data/human/)
diff --git a/openbr/core/bee.cpp b/openbr/core/bee.cpp
index e23c9b2..d9b6e46 100644
--- a/openbr/core/bee.cpp
+++ b/openbr/core/bee.cpp
@@ -75,6 +75,21 @@ FileList BEE::readSigset(const File &sigset, bool ignoreMetadata)
                 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);
 
diff --git a/openbr/core/core.cpp b/openbr/core/core.cpp
index 1378302..71e3d51 100644
--- a/openbr/core/core.cpp
+++ b/openbr/core/core.cpp
@@ -43,6 +43,11 @@ struct AlgorithmCore
     {
         TemplateList data(TemplateList::fromGallery(input));
 
+        // set the Train bool metadata, in case a Transform's project
+        // needs to know if it's called during train or enroll
+        for (int i=0; i<data.size(); i++)
+            data[i].file.set("Train", true);
+
         if (transform.isNull()) qFatal("Null transform.");
         qDebug("%d training files", data.size());
 
diff --git a/openbr/openbr_plugin.h b/openbr/openbr_plugin.h
index f33d00c..638cb3c 100644
--- a/openbr/openbr_plugin.h
+++ b/openbr/openbr_plugin.h
@@ -162,6 +162,7 @@ void reset_##NAME() { NAME = DEFAULT; }
  * Rects           | QList<Rect>    | List of unnamed rects
  * Age             | float          | Age used for demographic filtering
  * Gender          | QString        | Subject gender
+ * Train           | bool           | The data is for training, as opposed to enrollment
  * _*              | *              | Reserved for internal use
  */
 struct BR_EXPORT File
diff --git a/openbr/plugins/slidingwindow.cpp b/openbr/plugins/slidingwindow.cpp
new file mode 100644
index 0000000..27a37a2
--- /dev/null
+++ b/openbr/plugins/slidingwindow.cpp
@@ -0,0 +1,105 @@
+#include "openbr_internal.h"
+#include "openbr/core/opencvutils.h"
+#include "openbr/core/common.h"
+
+using namespace cv;
+
+namespace br
+{
+
+/*!
+ * \ingroup transforms
+ * \brief Applies a transform to a sliding window.
+ *        Discards negative detections.
+ * \author Austin Blanton \cite imaus10
+ */
+class SlidingWindowTransform : public Transform
+{
+    Q_OBJECT
+    Q_PROPERTY(br::Transform *transform READ get_transform WRITE set_transform RESET reset_transform STORED false)
+    Q_PROPERTY(int minSize READ get_minSize WRITE set_minSize RESET reset_minSize STORED false)
+    Q_PROPERTY(double scaleFactor READ get_scaleFactor WRITE set_scaleFactor RESET reset_scaleFactor STORED false)
+    Q_PROPERTY(double stepSize READ get_stepSize WRITE set_stepSize RESET reset_stepSize STORED false)
+    Q_PROPERTY(bool takeLargestScale READ get_takeLargestScale WRITE set_takeLargestScale RESET reset_takeLargestScale STORED false)
+    Q_PROPERTY(bool negSamples READ get_negSamples WRITE set_negSamples RESET reset_negSamples STORED false)
+    Q_PROPERTY(int negToPosRatio READ get_negToPosRatio WRITE set_negToPosRatio RESET reset_negToPosRatio STORED false)
+    Q_PROPERTY(double maxOverlap READ get_maxOverlap WRITE set_maxOverlap RESET reset_maxOverlap STORED false)
+    BR_PROPERTY(br::Transform *, transform, NULL)
+    BR_PROPERTY(int, minSize, 8)
+    BR_PROPERTY(double, scaleFactor, 0.75)
+    BR_PROPERTY(double, stepSize, 1)
+    BR_PROPERTY(bool, takeLargestScale, true)
+    BR_PROPERTY(bool, negSamples, true)
+    BR_PROPERTY(int, negToPosRatio, 1)
+    BR_PROPERTY(double, maxOverlap, 0)
+
+public:
+    SlidingWindowTransform() : Transform(false, true) {}
+
+private:
+    void train(const TemplateList &data)
+    {
+        if (transform->trainable) {
+            TemplateList full;
+            foreach (const Template &tmpl, data) {
+                foreach (const Rect &rect, OpenCVUtils::toRects(tmpl.file.rects())) {
+                    Template pos(tmpl.file, Mat(tmpl, rect));
+                    full += pos;
+
+                    // add random negative samples
+                    if (negSamples) {
+                        Mat m = tmpl.m();
+                        int sample = 0;
+                        while (sample < negToPosRatio) {
+                            int x = Common::RandSample(1, m.cols)[0];
+                            int y = Common::RandSample(1, m.rows)[0];
+                            int maxWidth = m.cols - x, maxHeight = m.rows - y;
+                            int maxSize = std::min(maxWidth, maxHeight);
+                            int size = (maxSize <= minSize ? maxSize : Common::RandSample(1, maxSize, minSize)[0]);
+                            Rect negRect(x, y, size, size);
+                            Rect intersect = negRect & rect;
+                            if (intersect.area() > maxOverlap*rect.area())
+                                continue;
+                            Template neg(tmpl.file, Mat(tmpl, negRect));
+                            neg.file.set("Label", QString("neg"));
+                            full += neg;
+                            sample++;
+                        }
+                    }
+                }
+            }
+            transform->train(full);
+        }
+    }
+
+    void project(const Template &src, Template &dst) const
+    {
+        dst = src;
+        // no need to slide a window over ground truth data
+        if (src.file.getBool("Train", false)) return;
+
+        dst.file.clearRects();
+        int rows = src.m().rows, cols = src.m().cols;
+        for (double size=std::min(rows, cols); size>=minSize; size*=scaleFactor) {
+            for (double y=0; y+size<rows; y+=(size*stepSize)) {
+                for (double x=0; x+size<cols; x+=(size*stepSize)) {
+                    Rect window(x, y, size, size);
+                    Template windowMat(src.file, Mat(src.m(), window));
+                    Template detect;
+                    transform->project(windowMat, detect);
+                    // the result will be in the Label
+                    if (detect.file.get<QString>(QString("Label")) == "pos") {
+                        dst.file.appendRect(OpenCVUtils::fromRect(window));
+                        if (takeLargestScale) return;
+                    }
+                }
+            }
+        }
+    }
+};
+
+BR_REGISTER(Transform, SlidingWindowTransform)
+
+} // namespace br
+
+#include "slidingwindow.moc"
diff --git a/scripts/downloadDatasets.sh b/scripts/downloadDatasets.sh
index 37daff3..734573c 100755
--- a/scripts/downloadDatasets.sh
+++ b/scripts/downloadDatasets.sh
@@ -35,6 +35,24 @@ if [ ! -d ../data/BioID/img ]; then
   rm *.eye description.txt BioID-FaceDatabase-V1.2.zip
 fi
 
+# INRIA person
+if [ ! -d ../data/INRIAPerson/img ]; then
+  echo "Downloading INRIA person dataset..."
+  if hash curl 2>/dev/null; then
+    curl -OL http://pascal.inrialpes.fr/data/human/INRIAPerson.tar
+  else
+    wget http://pascal.inrialpes.fr/data/human/INRIAPerson.tar
+  fi
+  tar -xf INRIAPerson.tar
+  mkdir ../data/INRIAPerson/img ../data/INRIAPerson/sigset
+  ./writeINRIAPersonSigset.sh Train > ../data/INRIAPerson/sigset/train.xml
+  ./writeINRIAPersonSigset.sh Test > ../data/INRIAPerson/sigset/test.xml
+  ./writeINRIAPersonSigset.sh train_64x128_H96 > ../data/INRIAPerson/sigset/train_normalized.xml
+  ./writeINRIAPersonSigset.sh test_64x128_H96 > ../data/INRIAPerson/sigset/test_normalized.xml
+  mv INRIAPerson/* ../data/INRIAPerson/img
+  rm -r INRIAPerson*
+fi
+
 # KTH
 if [ ! -d ../data/KTH/vid ]; then
   echo "Downloading KTH..."
diff --git a/scripts/writeINRIAPersonSigset.sh b/scripts/writeINRIAPersonSigset.sh
new file mode 100755
index 0000000..b3aac66
--- /dev/null
+++ b/scripts/writeINRIAPersonSigset.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+# prints out a <data:bbox> element from rectangle coordinates
+# (from the ViPER standard: http://viper-toolkit.sourceforge.net/docs/file/)
+printBBox()
+{
+    width=$(($3-$1))
+    height=$(($4-$2))
+    echo -e "\t\t\t<data:bbox height=\"$height\" width=\"$width\" x=\"$1\" y=\"$2\" />"
+}
+# export printBBox so xargs can call it using bash -c below
+export -f printBBox
+SEDREGEX='s/.*(\([0-9]*\), \([0-9]*\)) - (\([0-9]*\), \([0-9]*\))/printBBox \1 \2 \3 \4/'
+
+echo '<?xml version="1.0" encoding="UTF-8"?>'
+echo '<biometric-signature-set>'
+
+# print out the positive image sigs
+for fullpath in INRIAPerson/$1/pos/*; do
+    # get just the filename, minus the path
+    filename=$(basename "$fullpath")
+    echo -e "\t<biometric-signature name=\"${filename%.*}\">"
+
+    # if this folder has annotations, add bounding boxes
+    echo -en "\t\t<presentation Label=\"pos\" file-name=\"$1/pos/$filename\""
+    if [ -d INRIAPerson/$1/annotations ]; then
+        echo ">"
+        annotation="INRIAPerson/$1/annotations/${filename%.*}.txt"
+        grep 'Bounding box' $annotation | sed "$SEDREGEX" | xargs -n 5 bash -c 'printBBox $@'
+        echo -e "\t\t</presentation>"
+    # otherwise, just end the presentation
+    else
+        echo " />"
+    fi
+
+    echo -e '\t</biometric-signature>'
+done
+
+# print out the negative image sigs
+for fullpath in INRIAPerson/$1/neg/*; do
+    filename=$(basename "$fullpath")
+    echo -e "\t<biometric-signature name=\"${filename%.*}\">"
+    echo -e "\t\t<presentation Label=\"neg\" file-name=\"$1/neg/$filename\" />"
+    echo -e '\t</biometric-signature>'
+done
+
+echo '</biometric-signature-set>'