From 7a0a9f3e511134568ce0b4f68eec9034f409769a Mon Sep 17 00:00:00 2001
From: Josh Klontz <Joshua.Klontz@noblis.org>
Date: Thu, 14 Nov 2013 16:29:08 -0500
Subject: [PATCH] introduced shell code for IntegralSlidingWindowTransform

---
 openbr/plugins/slidingwindow.cpp | 38 +++++++++++++++++++++++++++++---------
 scripts/pedestrianBaselineLBP.sh |  2 +-
 2 files changed, 30 insertions(+), 10 deletions(-)

diff --git a/openbr/plugins/slidingwindow.cpp b/openbr/plugins/slidingwindow.cpp
index 357f262..4dc8a3b 100644
--- a/openbr/plugins/slidingwindow.cpp
+++ b/openbr/plugins/slidingwindow.cpp
@@ -66,6 +66,19 @@ private:
         }
     }
 
+    void store(QDataStream &stream) const
+    {
+        transform->store(stream);
+        stream << windowHeight;
+    }
+
+    void load(QDataStream &stream)
+    {
+        transform->load(stream);
+        stream >> windowHeight;
+    }
+
+protected: // Let IntegralSlidingWindowTransform access this
     void project(const Template &src, Template &dst) const
     {
         dst = src;
@@ -95,21 +108,28 @@ private:
         }
         dst.file.setList<float>("Confidences", confidences);
     }
+};
 
-    void store(QDataStream &stream) const
-    {
-        transform->store(stream);
-        stream << windowHeight;
-    }
+BR_REGISTER(Transform, SlidingWindowTransform)
 
-    void load(QDataStream &stream)
+/*!
+ * \ingroup transforms
+ * \brief Overloads SlidingWindowTransform for integral images that should be
+ *        sampled at multiple scales.
+ * \author Josh Klontz \cite jklontz
+ */
+class IntegralSlidingWindowTransform : public SlidingWindowTransform
+{
+    Q_OBJECT
+
+    void project(const Template &src, Template &dst) const
     {
-        transform->load(stream);
-        stream >> windowHeight;
+        // TODO: call SlidingWindowTransform::project on multiple scales
+        SlidingWindowTransform::project(src, dst);
     }
 };
 
-BR_REGISTER(Transform, SlidingWindowTransform)
+BR_REGISTER(Transform, IntegralSlidingWindowTransform)
 
 static TemplateList cropTrainingSamples(const TemplateList &data, const float aspectRatio, const int minSize = 32, const float maxOverlap = 0.5, const int negToPosRatio = 1)
 {
diff --git a/scripts/pedestrianBaselineLBP.sh b/scripts/pedestrianBaselineLBP.sh
index 619c9bf..ea6af8f 100755
--- a/scripts/pedestrianBaselineLBP.sh
+++ b/scripts/pedestrianBaselineLBP.sh
@@ -13,7 +13,7 @@ fi
 ALG="Open+Cvt(Gray)+Rename(neg,0)+BuildScales(Blur(2)+LBP(1,2)+SlidingWindow(Hist(59)+Cat+LDA(isBinary=true),windowWidth=10,takeLargestScale=false,threshold=2),windowWidth=10,takeLargestScale=false,minScale=4)+ConsolidateDetections+Discard"
 
 # Josh's new algorithm (in progress)
-# ALG="Open+Cvt(Gray)+Detector(Gradient+Bin(0,360,9,true)+Merge+Integral+SlidingWindow(RecursiveIntegralSampler(2,2,0,PCA(0.95))+Cat+LDA(0.95,isBinary=true)))"
+# ALG="Open+Cvt(Gray)+Detector(Gradient+Bin(0,360,9,true)+Merge+Integral+IntegralSlidingWindow(RecursiveIntegralSampler(2,2,0,PCA(0.95))+Cat+LDA(0.95,isBinary=true)))"
 
 br -useGui 0 \
    -algorithm "${ALG}" \
--
libgit2 0.21.4