Made remove_unobtainable_rectangles() work on scan_fhog_pyramid.

dlib/image_processing/remove_unobtainable_rectangles.h

@@ -7,6 +7,7 @@
 #include "scan_image_pyramid.h"
 #include "scan_image_boxes.h"
 #include "scan_image_custom.h"
+#include "scan_fhog_pyramid.h"
 #include "../svm/structural_object_detection_trainer.h"
 #include "../geometry.h"
 
@@ -53,17 +54,14 @@ namespace dlib
             return best_rect;
         }
 
-    }
-
-// ----------------------------------------------------------------------------------------
+    // ------------------------------------------------------------------------------------
 
         template <
             typename image_array_type,
-        typename Pyramid_type,
-        typename Feature_extractor_type
+            typename image_scanner_type
             >
-    std::vector<std::vector<rectangle> > remove_unobtainable_rectangles (
-        const structural_object_detection_trainer<scan_image_pyramid<Pyramid_type, Feature_extractor_type> >& trainer,
+        std::vector<std::vector<rectangle> > pyramid_remove_unobtainable_rectangles (
+            const structural_object_detection_trainer<image_scanner_type>& trainer,
             const image_array_type& images,
             std::vector<std::vector<rectangle> >& object_locations
         )
@@ -136,6 +134,39 @@ namespace dlib
             return rejects;
         }
 
+    }
+
+// ----------------------------------------------------------------------------------------
+
+    template <
+        typename image_array_type,
+        typename Pyramid_type,
+        typename Feature_extractor_type
+        >
+    std::vector<std::vector<rectangle> > remove_unobtainable_rectangles (
+        const structural_object_detection_trainer<scan_image_pyramid<Pyramid_type, Feature_extractor_type> >& trainer,
+        const image_array_type& images,
+        std::vector<std::vector<rectangle> >& object_locations
+    )
+    {
+        return impl::pyramid_remove_unobtainable_rectangles(trainer, images, object_locations);
+    }
+
+// ----------------------------------------------------------------------------------------
+
+    template <
+        typename image_array_type,
+        typename Pyramid_type
+        >
+    std::vector<std::vector<rectangle> > remove_unobtainable_rectangles (
+        const structural_object_detection_trainer<scan_fhog_pyramid<Pyramid_type> >& trainer,
+        const image_array_type& images,
+        std::vector<std::vector<rectangle> >& object_locations
+    )
+    {
+        return impl::pyramid_remove_unobtainable_rectangles(trainer, images, object_locations);
+    }
+
 // ----------------------------------------------------------------------------------------
 
     namespace impl