adding the Brief descriptor, associated hamming distance functors for bruteforce matching. Also adding cout << cv::Mat functions in core.

modules/core/include/opencv2/core/core.hpp

@@ -4055,5 +4055,6 @@ public:
 
 #include "opencv2/core/operations.hpp"
 #include "opencv2/core/mat.hpp"
+#include "opencv2/core/cvout.hpp"
 
 #endif /*__OPENCV_CORE_HPP__*/

modules/core/include/opencv2/core/cvout.hpp

@@ -0,0 +1,79 @@
+#ifndef __OPENCV_CORE_CVOUT_HPP__
+#define __OPENCV_CORE_CVOUT_HPP__
+#ifdef __cplusplus
+
+#ifndef SKIP_INCLUDES
+  #include <iomanip>
+  #include <iostream>
+  #include <vector>
+#endif
+
+namespace cv
+{
+
+/** Writes a point to an output stream in Matlab notation
+ */
+inline std::ostream & operator<<(std::ostream & out, const Point2f & p)
+{
+  out << "[ " << p.x << "," << p.y << " ]";
+  return out;
+}
+
+/** Writes a point to an output stream in Matlab notation
+ */
+inline std::ostream & operator<<(std::ostream & out, const Point3f & p)
+{
+  out << "[ " << p.x << "," << p.y << "," << p.z << " ]";
+  return out;
+}
+
+/** \brief	 write points to and output stream
+ *  \param out typically cout
+ *  \param points the points to be written to the stream
+ *  \return	 the stream
+ **/
+CV_EXPORTS std::ostream & operator<<(std::ostream & out, const std::vector<Point2f> & points);
+
+/** \brief	 write points to and output stream
+ *  \param out typically cout
+ *  \param points the points to be written to the stream
+ *  \return	 the stream
+ **/
+std::ostream & operator<<(std::ostream & out, const std::vector<Point3f> & points);
+
+/** \brief allows each output of Mat in Matlab for Mat to std::cout
+ * use like
+ @verbatim
+ Mat my_mat = Mat::eye(3,3,CV_32F);
+ std::cout << my_mat;
+ @endverbatim
+ */
+CV_EXPORTS std::ostream & operator<<(std::ostream & out, const Mat & mat);
+
+/** \brief write a Mat in csv compatible for Matlab.
+ This means that the rows are seperated by newlines and the
+ columns by commas ....
+ 331.413896619595,0,122.365880226491
+ 0,249.320451610369,122.146722131871
+ 0,0,1
+
+ *	\param out output stream to write to
+ *	\param Mat write a Mat to a csv
+ */
+CV_EXPORTS std::ostream & writeCSV(std::ostream & out, const Mat & mat);
+
+/** \brief write a vector of points to an
+ output stream if possible
+ **/
+CV_EXPORTS std::ostream & writeCSV(std::ostream & out, const std::vector<Point2f> & points);
+
+/** \brief write a vector of points to an
+ output stream if possible
+ **/
+CV_EXPORTS std::ostream & writeCSV(std::ostream & out, const std::vector<Point3f> & points);
+
+} //namespace cv
+
+#endif
+
+#endif