1 files changed, 71 insertions, 0 deletions
diff --git a/cvtest/src/imageComparator.h b/cvtest/src/imageComparator.h
new file mode 100755
index 0000000..c1904c6
--- /dev/null
+++ b/cvtest/src/imageComparator.h
@@ -0,0 +1,71 @@
+/*------------------------------------------------------------------------------------------*\
+	This file contains material supporting chapter 4 of the cookbook:  
+	Computer Vision Programming using the OpenCV Library. 
+	by Robert Laganiere, Packt Publishing, 2011.
+
+	This program is free software; permission is hereby granted to use, copy, modify, 
+	and distribute this source code, or portions thereof, for any purpose, without fee, 
+	subject to the restriction that the copyright notice may not be removed 
+	or altered from any source or altered source distribution. 
+	The software is released on an as-is basis and without any warranties of any kind. 
+	In particular, the software is not guaranteed to be fault-tolerant or free from failure. 
+	The author disclaims all warranties with regard to this software, any use, 
+	and any consequent failure, is purely the responsibility of the user.
+
+	Copyright (C) 2010-2011 Robert Laganiere, www.laganiere.name
+\*------------------------------------------------------------------------------------------*/
+
+#if !defined ICOMPARATOR
+#define ICOMPARATOR
+
+#include <opencv2/opencv.hpp>
+#include "colorhistogram.h"
+
+class ImageComparator {
+
+  private:
+
+	cv::Mat reference;
+	cv::Mat input;
+	cv::MatND refH;
+	cv::MatND inputH;
+
+	ColorHistogram hist;
+	int div;
+
+  public:
+
+	ImageComparator() : div(32) {
+
+	}
+
+	// Color reduction factor
+	// The comparaison will be made on images with
+	// color space reduced by this factor in each dimension
+	void setColorReduction( int factor) {
+
+		div= factor;
+	}
+
+	int getColorReduction() {
+
+		return div;
+	}
+
+	void setReferenceImage(const cv::Mat& image) {
+
+		reference= hist.colorReduce(image,div);
+		refH= hist.getHistogram(reference);
+	}
+
+	double compare(const cv::Mat& image) {
+
+		input= hist.colorReduce(image,div);
+		inputH= hist.getHistogram(input);
+
+		return cv::compareHist(refH,inputH,CV_COMP_CHISQR);
+	}
+};
+
+
+#endif