diff --git a/openbr/plugins/crop.cpp b/openbr/plugins/crop.cpp
index cc0c359..01b5167 100644
--- a/openbr/plugins/crop.cpp
+++ b/openbr/plugins/crop.cpp
@@ -113,6 +113,8 @@ BR_REGISTER(Transform, ROIFromPtsTransform)
  * \brief Resize the template
  * \author Josh Klontz \cite jklontz
  * \note Method: Area should be used for shrinking an image, Cubic for slow but accurate enlargment, Bilin for fast enlargement.
+ * \param preserveAspect If true, the image will be sized per specification, but
+ * 	a border will be applied to preserve aspect ratio.
  */
 class ResizeTransform : public UntrainableTransform
 {
@@ -131,13 +133,32 @@ private:
     Q_PROPERTY(int rows READ get_rows WRITE set_rows RESET reset_rows STORED false)
     Q_PROPERTY(int columns READ get_columns WRITE set_columns RESET reset_columns STORED false)
     Q_PROPERTY(Method method READ get_method WRITE set_method RESET reset_method STORED false)
+    Q_PROPERTY(bool preserveAspect READ get_preserveAspect WRITE set_preserveAspect RESET reset_preserveAspect STORED false)
     BR_PROPERTY(int, rows, -1)
     BR_PROPERTY(int, columns, -1)
     BR_PROPERTY(Method, method, Bilin)
+    BR_PROPERTY(bool, preserveAspect, false)
 
     void project(const Template &src, Template &dst) const
     {
-        resize(src, dst, Size((columns == -1) ? src.m().cols*rows/src.m().rows : columns, rows), 0, 0, method);
+        if (!preserveAspect)
+            resize(src, dst, Size((columns == -1) ? src.m().cols*rows/src.m().rows : columns, rows), 0, 0, method);
+        else {
+            float inRatio = (float) src.m().rows / src.m().cols;
+            float outRatio = (float) rows / columns;
+            dst = Mat::zeros(rows, columns, src.m().type());
+            if (outRatio > inRatio) {
+                float heightAR = src.m().rows * inRatio / outRatio;
+                Mat buffer;
+                resize(src, buffer, Size(columns, heightAR), 0, 0, method);
+                buffer.copyTo(dst.m()(Rect(0, (rows - heightAR) / 2, columns, heightAR)));
+            } else {
+                float widthAR = src.m().cols / inRatio * outRatio;
+                Mat buffer;
+                resize(src, buffer, Size(widthAR, rows), 0, 0, method);
+                buffer.copyTo(dst.m()(Rect((columns - widthAR) / 2, 0, widthAR, rows)));
+            }
+        }
     }
 };