GPU interface for soft cascade

modules/gpu/include/opencv2/gpu/gpu.hpp

@@ -1532,6 +1532,49 @@ public:
     int detectMultiScale(const GpuMat& image, GpuMat& objectsBuf, Size maxObjectSize, Size minSize = Size(), double scaleFactor = 1.1, int minNeighbors = 4);
 };
 
+// ======================== GPU version for soft cascade ===================== //
+
+class CV_EXPORTS SoftCascade
+{
+public:
+    //! An empty cascade will be created.
+    SoftCascade();
+
+    //! Cascade will be created from file for scales from minScale to maxScale.
+    //! Param filename is a path to xml-serialized cascade.
+    //! Param minScale is a minimum scale relative to the original size of the image on which cascade will be applyed.
+    //! Param minScale is a maximum scale relative to the original size of the image on which cascade will be applyed.
+    SoftCascade( const string& filename, const float minScale = 0.4f, const float maxScale = 5.f);
+
+    //! cascade will be loaded from file "filename". The previous cascade will be destroyed.
+    //! Param filename is a path to xml-serialized cascade.
+    //! Param minScale is a minimum scale relative to the original size of the image on which cascade will be applyed.
+    //! Param minScale is a maximum scale relative to the original size of the image on which cascade will be applyed.
+    bool load( const string& filename, const float minScale = 0.4f, const float maxScale = 5.f);
+
+    virtual ~SoftCascade();
+
+    //! return vector of bounding boxes. Each box contains one detected object
+    virtual void detectMultiScale(const GpuMat& image, const GpuMat& rois, GpuMat& objects,
+    int rejectfactor = 1, Stream stream = Stream::Null()); // ToDo store objects in GPU mem
+
+protected:
+    enum { BOOST = 0 };
+    enum
+    {
+        FRAME_WIDTH        = 640,
+        FRAME_HEIGHT       = 480,
+        TOTAL_SCALES       = 55,
+        CLASSIFIERS        = 5,
+        ORIG_OBJECT_WIDTH  = 64,
+        ORIG_OBJECT_HEIGHT = 128
+    };
+
+private:
+    struct Filds;
+    Filds* filds;
+};
+
 ////////////////////////////////// SURF //////////////////////////////////////////
 
 class CV_EXPORTS SURF_GPU