Hello, I would like to compile a simple OpenCV application in Qt.

I already looked at Qt-OpenCV-simple-example topic but its too complicated for me at the moment. I followed a great tutorial on YouTube.
Unfortunately I can't get it working, that's why I'm asking for help.

Miscellaneous information :
Ubuntu 13.04 (64 bits)

Qt Creator 2.7.0
Qt framework 5.0.1 (64 bits)

OpenCV 2.4.4
Qt Code: 
  1. rc  libopencv-calib3d2.3                          2.3.1-11ubuntu2                            amd64        computer vision Camera Calibration library
  2. ii  libopencv-calib3d2.4                          2.4.2+dfsg-0exp2ubuntu1                    amd64        computer vision Camera Calibration library
  3. rc  libopencv-contrib2.3                          2.3.1-11ubuntu2                            amd64        computer vision contrib library
  4. rc  libopencv-core2.3                             2.3.1-11ubuntu2                            amd64        computer vision core library
  5. ii  libopencv-core2.4                             2.4.2+dfsg-0exp2ubuntu1                    amd64        computer vision core library
  6. rc  libopencv-features2d2.3                       2.3.1-11ubuntu2                            amd64        computer vision Feature Detection and Descriptor Extraction library
  7. ii  libopencv-features2d2.4                       2.4.2+dfsg-0exp2ubuntu1                    amd64        computer vision Feature Detection and Descriptor Extraction library
  8. rc  libopencv-flann2.3                            2.3.1-11ubuntu2                            amd64        computer vision Clustering and Search in Multi-Dimensional spaces library
  9. ii  libopencv-flann2.4                            2.4.2+dfsg-0exp2ubuntu1                    amd64        computer vision Clustering and Search in Multi-Dimensional spaces library
  10. rc  libopencv-gpu2.3                              2.3.1-11ubuntu2                            amd64        computer vision GPU Processing library
  11. rc  libopencv-highgui2.3                          2.3.1-11ubuntu2                            amd64        computer vision High-level GUI and Media I/O library
  12. ii  libopencv-highgui2.4                          2.4.2+dfsg-0exp2ubuntu1                    amd64        computer vision High-level GUI and Media I/O library
  13. rc  libopencv-imgproc2.3                          2.3.1-11ubuntu2                            amd64        computer vision Image Processing library
  14. ii  libopencv-imgproc2.4                          2.4.2+dfsg-0exp2ubuntu1                    amd64        computer vision Image Processing library
  15. rc  libopencv-legacy2.3                           2.3.1-11ubuntu2                            amd64        computer vision legacy library
  16. ii  libopencv-legacy2.4                           2.4.2+dfsg-0exp2ubuntu1                    amd64        computer vision legacy library
  17. rc  libopencv-ml2.3                               2.3.1-11ubuntu2                            amd64        computer vision Machine Learning library
  18. ii  libopencv-ml2.4                               2.4.2+dfsg-0exp2ubuntu1                    amd64        computer vision Machine Learning library
  19. rc  libopencv-objdetect2.3                        2.3.1-11ubuntu2                            amd64        computer vision Object Detection library
  20. ii  libopencv-objdetect2.4                        2.4.2+dfsg-0exp2ubuntu1                    amd64        computer vision Object Detection library
  21. rc  libopencv-video2.3                            2.3.1-11ubuntu2                            amd64        computer vision Video analysis library
  22. ii  libopencv-video2.4                            2.4.2+dfsg-0exp2ubuntu1                    amd64        computer vision Video analysis library
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The Youtube tutorial is for Windows, I modified the .pro file and it looks like this :

Qt Code: 
  1. QT       += core gui
  2.  
  3. greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
  4.  
  5. TARGET = QtTracker3
  6. TEMPLATE = app
  7.  
  8.  
  9. SOURCES += main.cpp\
  10.         dialog.cpp
  11.  
  12. HEADERS  += dialog.h
  13.  
  14. FORMS    += dialog.ui
  15.  
  16.  
  17. # Show Qt where OpenCV is :
  18. INCLUDEPATH += /usr/local/include/opencv #/usr/local/include/opencv2
  19.  
  20. LIBS += -L/usr/local/lib \
  21.     -lopencv_calib3d \
  22.     -lopencv_contrib \
  23.     -lopencv_core \
  24.     -lopencv_features2d \
  25.     -lopencv_flann \
  26.     -lopencv_gpu \
  27.     -lopencv_highgui \
  28.     -lopencv_imgproc \
  29.     -lopencv_legacy \
  30.     -lopencv_ml \
  31.     -lopencv_objdetect \
  32.     -lopencv_ts \
  33.     -lopencv_video
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The project builds successfuly but the program exits at start.

Qt Code: 
  1. Debugging starts
  2. &"warning: GDB: Failed to set controlling terminal: Ioctl() inappropr\303\251 pour un p\303\251riph\303\251rique\n"
  3. no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff7ffa000
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Qt Code: 
  1. 0	??	/usr/lib/x86_64-linux-gnu/libQtTest.so.4		0x7fffeff97d3c	
  2. 1	??	/lib64/ld-linux-x86-64.so.2		0x7ffff7de9876	
  3. 2	??	/lib64/ld-linux-x86-64.so.2		0x7ffff7de9930	
  4. 3	??	/lib64/ld-linux-x86-64.so.2		0x7ffff7ddb68a	
  5. 4	??			0x1	
  6. 5	??			0x7fffffffe920	
  7. 6	??
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The arrow points this line
Qt Code: 
  1. 0x7fffeff97d3c  <+0x0000>         lock incl (%rbx)
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The whole project is enclosed in this post (QtTest_Vic.zip). Thanks in advance for your precious help