Added prewarp to ALPR analysis

src/openalpr/prewarp.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2015 New Designs Unlimited, LLC
+ * Opensource Automated License Plate Recognition [http://www.openalpr.com]
+ *
+ * This file is part of OpenAlpr.
+ *
+ * OpenAlpr is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License
+ * version 3 as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#ifndef OPENALPR_PREWARP_H
+#define	OPENALPR_PREWARP_H
+
+#include "config.h"
+#include "utility.h"
+#include "opencv2/imgproc/imgproc.hpp"
+#include "detection/detector.h"
+
+namespace alpr
+{
+
+  class PreWarp {
+  public:
+    PreWarp(Config* config);
+    virtual ~PreWarp();
+
+    cv::Mat warpImage(cv::Mat image);
+    std::vector<cv::Point2f> projectPoints(std::vector<cv::Point2f> points, bool inverse);
+    std::vector<cv::Rect> projectRects(std::vector<cv::Rect> rects, int maxWidth, int maxHeight, bool inverse);
+    void projectPlateRegions(std::vector<PlateRegion>& plateRegions, int maxWidth, int maxHeight, bool inverse);
+
+    bool valid;
+    
+  private:
+    Config* config;
+    cv::Mat transform;
+    
+    float w, h, rotationx, rotationy, rotationz, dist, panX, panY;
+    
+    cv::Mat findTransform(float w, float h, float rotationx, float rotationy, float rotationz, float panX, float panY, float dist);
+  };
+
+}
+
+#endif	/* OPENALPR_PREWARP_H */
+