I am now studying opencv following a textbook using opencv 2.2, I accidentally installed opencv3.0. Can anyone give me some instruction how to uninstall my old one and use opencv 2.2 instead?
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2don't do that at all. please *use* opencv3.0, and rather update your [tutorials](http://docs.opencv.org/ref/master/d9/df8/tutorial_root.html) – berak Jul 04 '15 at 04:14
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actually I encountered a compiling error using opencv3.0 (you can see it here: http://stackoverflow.com/questions/30926814/configuration-of-qt-to-code-in-book-opencv2-computer-vision-application-program) and I was told by the author of that book that it is due to the conflict between 2.2 and 3.0. By the way happy independence day. – Lake_Lagunita Jul 05 '15 at 02:53
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How did you install OpenCV 3.0 in your mac? – yangjie Jul 05 '15 at 16:48
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I just followed the instruction on official website. – Lake_Lagunita Jul 06 '15 at 17:01