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Introduction to O penCV

Introduction to O penCV. Dr. Chung- Hao Chen Haole Guo Sep 2011. Index. What is OpenCV ？ What can OpenCV do ？ How to setup OpenCV ？. What is OpenCV ?. OpenCV is a based on C / C + + language, open source image processing library Develop by Inter Free to use.

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Introduction to O penCV

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  1. Introduction to OpenCV Dr. Chung-Hao Chen HaoleGuo Sep 2011

  2. Index • What is OpenCV ？ • What can OpenCVdo ？ • How to setup OpenCV ？

  3. What is OpenCV? • OpenCVis a based on C / C + + language, open source image processing library • Develop by Inter • Free to use

  4. What can OpenCVdo ？ • Image data manipulation • Image and video I/O • Matrix and vector manipulation and linear algebra routines • Various dynamic data structures • Basic image processing • Structural • Camera calibration • Motion analysis • Object recognition • Basic GUI • Image labeling

  5. How to setup openCV ? Downlinks: 1. OpenCVlib http://sourceforge.net/projects/opencvlibrary/files/ 2.VS2008 http://www.microsoft.com/express/product/default.aspx 3.Codeblock http://www.codeblocks.org/ 4. Cmake http://www.cmake.org/cmake/resources/software.html

  6. Download OpenCVand install • Download the OpenCV 2.1.0 Windows installer from SourceForge - "OpenCV-2.1.0-win32-vs2008.exe". • Install it to a folder (without any spaces in it), say "C:\OpenCV2.1\". This article will refer to this path as $openCVDir • During installation, enable the option "Add OpenCV to the system PATH for all users".

  7. Setup OpenCVin VS2008 1. Configure Visual Studio • Open VC++ Directories configuration: Tools > Options > Projects and Solutions > VC++ Directories • Choose "Show directories for: Include files" • Add "$openCVDir\include\opencv" • Choose "Show directories for: Library files" • Add "$openCVDir\lib" • Choose "Show directories for: Source files" • Add "$openCVDir\src\cv" • Add "$openCVDir\src\cvaux" • Add "$openCVDir\src\cxcore" • Add "$openCVDir\src\highgui"

  8. Setup OpenCVin VS2008 2. Configure your Project • After you've created a project you'll need to add the OpenCV dependencies. • Open Project Properties: Project > %projectName% Properties... • Open Linker Input properties: Configuration Properties > Linker > Input • Open the "..." window to edit "Additional Dependencies" and on each line put: • "cv210.lib" • "cxcore210.lib" • "highgui210.lib" • And any other lib file necessary for your project • Your project should now build. If you get any errors try restarting Visual Studio and then doing a clean Rebuild.

  9. Setup openCV in VS2008 3. Support video on youtube http://www.youtube.com/watch?v=9nPpa_WiArI

  10. Setup openCV in Codeblock 1.Build project

  11. Setup OpenCV in Codeblock 2.Name and address

  12. Setup openCV in codeblock 3.Write a test program

  13. Setup openCV in codeblock Sample program • #include "cv.h" • #include "highgui.h"   • int main( intargc, char** argv ) • { • IplImage* pImg; • if( argc == 2 && • (pImg = cvLoadImage( argv[1], 1)) != 0 ) • { cvNamedWindow( "Image", 1 ); • cvShowImage( "Image", pImg ); • cvWaitKey(0); • cvDestroyWindow( "Image" ); • cvReleaseImage( &pImg ); • return 0; • }   • return -1; • }

  14. Setup openCV in codeblock 4. Go setup build options

  15. Setup openCV in codeblock 5.Build option- search directories - complier

  16. Setup openCV in codeblock 6.Build option – search directories - linker

  17. Setup openCV in codeblock 7.Build option – linker settings

  18. Setup openCV in codeblock 8. Setup input image

  19. Setup openCV in codeblock 9.Result output:

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