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diff --git a/intern/libmv/libmv/tracking/pyramid_region_tracker.h b/intern/libmv/libmv/tracking/pyramid_region_tracker.h
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+// Copyright (c) 2011 libmv authors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+
+#ifndef LIBMV_CORRESPONDENCE_PYRAMID_TRACKER_H_
+#define LIBMV_CORRESPONDENCE_PYRAMID_TRACKER_H_
+
+#include "libmv/image/image.h"
+#include "libmv/base/scoped_ptr.h"
+#include "libmv/tracking/region_tracker.h"
+
+namespace libmv {
+
+class PyramidRegionTracker : public RegionTracker {
+ public:
+  PyramidRegionTracker(RegionTracker *tracker, int num_levels)
+      : tracker_(tracker), num_levels_(num_levels) {}
+
+  virtual bool Track(const FloatImage &image1,
+                     const FloatImage &image2,
+                     double  x1, double  y1,
+                     double *x2, double *y2) const;
+ private:
+  scoped_ptr<RegionTracker> tracker_;
+  int num_levels_;
+};
+
+}  // namespace libmv
+
+#endif  // LIBMV_CORRESPONDENCE_PYRAMID_TRACKER_H_