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2015-04-12 02:20:55 -0500 asked a question Errors while including "opencv2/contrib/contrib.hpp"

A simple DisplayImage code like this is working fine:

#include <opencv2/highgui/highgui.hpp>
// #include <opencv2/contrib/contrib.hpp>
using namespace cv;

int main()
{

    Mat img = imread("5.jpg");
    imshow("opencvtest",img);
    waitKey(0);

    return 0;
}

but showing the following error while including contrib.hpp: How to include contrib.hpp and use its functions like faceRecognizer?

SnShine : g++ -ggdb `pkg-config --cflags opencv` -o `basename opencvtest.cpp .cpp` opencvtest.cpp `pkg-config --libs opencv`
In file included from opencvtest.cpp:2:0:
/usr/local/include/opencv2/contrib/contrib.hpp:79:9: error: ‘CvHistogram’ does not name a type
         CvHistogram *fHistogram;
         ^
/usr/local/include/opencv2/contrib/contrib.hpp:90:5: error: ‘IplImage’ does not name a type
     IplImage *imgHueFrame, *imgSaturationFrame, *imgLastGrayFrame, *imgMotionFrame, *imgFilteredFrame;
     ^
/usr/local/include/opencv2/contrib/contrib.hpp:91:5: error: ‘IplImage’ does not name a type
     IplImage *imgShrinked, *imgTemp, *imgGrayFrame, *imgHSVFrame;
     ^
/usr/local/include/opencv2/contrib/contrib.hpp:94:19: error: ‘IplImage’ has not been declared
     void initData(IplImage *src, int widthDivider, int heightDivider);
                   ^
/usr/local/include/opencv2/contrib/contrib.hpp:109:26: error: ‘IplImage’ has not been declared
     virtual void process(IplImage *inputBGRImage, IplImage *outputHueMask);
                          ^
/usr/local/include/opencv2/contrib/contrib.hpp:109:51: error: ‘IplImage’ has not been declared
     virtual void process(IplImage *inputBGRImage, IplImage *outputHueMask);
                                                   ^
/usr/local/include/opencv2/contrib/contrib.hpp:208:30: error: ‘IplImage’ has not been declared
         void initDepthValues(IplImage *maskImage, IplImage *depthMap);
                              ^
/usr/local/include/opencv2/contrib/contrib.hpp:208:51: error: ‘IplImage’ has not been declared
         void initDepthValues(IplImage *maskImage, IplImage *depthMap);
                                                   ^
/usr/local/include/opencv2/contrib/contrib.hpp:210:26: error: ‘IplImage’ has not been declared
         void extractInfo(IplImage *maskImage, IplImage *depthMap, bool initDepth);
                          ^
/usr/local/include/opencv2/contrib/contrib.hpp:210:47: error: ‘IplImage’ has not been declared
         void extractInfo(IplImage *maskImage, IplImage *depthMap, bool initDepth);
                                               ^
/usr/local/include/opencv2/contrib/contrib.hpp:214:24: error: ‘IplImage’ has not been declared
         bool meanShift(IplImage *maskImage, IplImage *depthMap, int maxIteration, bool initDepth);
                        ^
/usr/local/include/opencv2/contrib/contrib.hpp:214:45: error: ‘IplImage’ has not been declared
         bool meanShift(IplImage *maskImage, IplImage *depthMap, int maxIteration, bool initDepth);
                                             ^
/usr/local/include/opencv2/contrib/contrib.hpp:247:62: error: ‘IplImage’ has not been declared
     void findOptimumSearchWindow(SearchWindow &searchWindow, IplImage *maskImage, IplImage *depthMap, int maxIteration, int resizeMethod, bool initDepth);
                                                              ^
/usr/local/include/opencv2/contrib/contrib.hpp:247:83: error: ‘IplImage’ has not been declared
     void findOptimumSearchWindow(SearchWindow &searchWindow, IplImage *maskImage, IplImage *depthMap, int maxIteration, int resizeMethod, bool initDepth);
                                                                                   ^
In file included from opencvtest.cpp:2:0:
/usr/local/include/opencv2/contrib/contrib.hpp:253:16: error: ‘IplImage’ has not been declared
     void track(IplImage *maskImage, IplImage *depthMap, int resizeMethod, bool resetSearch, int minKernelMass = MinKernelMass);
                ^
/usr/local/include/opencv2/contrib/contrib.hpp:253:37: error: ‘IplImage’ has not been declared
     void track(IplImage *maskImage, IplImage *depthMap, int resizeMethod, bool resetSearch, int minKernelMass = MinKernelMass);
                                     ^
/usr/local/include/opencv2/contrib/contrib.hpp:274:23: error: ‘vector’ does not name a type
         Octree( const vector<Point3f>& points, int maxLevels = 10, int minPoints = 20 );
                       ^
/usr/local/include/opencv2/contrib ...
(more)