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first time posting a question here to stackoverflow. Sorry if I butcher the formatting! I am attempting to follow a basic tutorial on openCV, namely this one: http://aishack.in/tutorials/tracking-colored-objects-in-opencv/ I have looked at various tutorial online on how to install openCV, including: Setup OpenCV-2.3 for Visual Studio 2010 and opencv.willowgarage.com/wiki/VisualC%2B%2B without much luck. The current version I have running right now is OpenCV 2.3.0. I am currently running on Windows 7 with Microsoft Visual C++ Express 2010. Whenever I try to build and run my code, I get the following errors: 1>------ Build started: Project: Camera, Configuration: Debug Win32 ------ 1>camera.obj : error LNK2019: unresolved external symbol _cvReleaseImage referenced in function "struct _IplImage * __cdecl GetThresholdedImage(struct _IplImage *)" (?GetThresholdedImage@@YAPAU_IplImage@@PAU1@@Z) 1>camera.obj : error LNK2019: unresolved external symbol _cvInRangeS referenced in function "struct _IplImage * __cdecl GetThresholdedImage(struct _IplImage *)" (?GetThresholdedImage@@YAPAU_IplImage@@PAU1@@Z) 1>camera.obj : error LNK2019: unresolved external symbol _cvCvtColor referenced in function "struct _IplImage * __cdecl GetThresholdedImage(struct _IplImage *)" (?GetThresholdedImage@@YAPAU_IplImage@@PAU1@@Z) 1>camera.obj : error LNK2019: unresolved external symbol _cvCreateImage referenced in function "struct _IplImage * __cdecl GetThresholdedImage(struct _IplImage *)" (?GetThresholdedImage@@YAPAU_IplImage@@PAU1@@Z) 1>camera.obj : error LNK2019: unresolved external symbol _cvGetSize referenced in function "struct _IplImage * __cdecl GetThresholdedImage(struct _IplImage *)" (?GetThresholdedImage@@YA

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