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How to change opencv version on Ubuntu


Does the version of Opencv shipped with 12.04 support v4l2?How to uninstall OpenCV 2.4.9 completely from Ubuntu?Where is OpenCV installed?How can I use OpenCV 3.0 without overwriting my current version of OpenCV (2.4.8) on Ubuntu?How to install OpenCV 3.0.0 and 2.4?Uninstall OpenCV - Ubuntu keeps asking for permissionInstalling OpenCV for AnacondaHow to downgrade OpenCV 3.2 to 3.1 on Ubuntu 16.04?Delete OpenCV 3.1 completlyOpenCV 3+ version naming on Bionic






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I have installed OpenCV version 4.1.0 on Ubuntu 18.04.1 LTS. Now, I need to use OpenCV 3.4.1. How can I install that specific version of OpenCV? Should i first uninstall the previous version?If yes, How...



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    I have installed OpenCV version 4.1.0 on Ubuntu 18.04.1 LTS. Now, I need to use OpenCV 3.4.1. How can I install that specific version of OpenCV? Should i first uninstall the previous version?If yes, How...



    Thanks a lot










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      I have installed OpenCV version 4.1.0 on Ubuntu 18.04.1 LTS. Now, I need to use OpenCV 3.4.1. How can I install that specific version of OpenCV? Should i first uninstall the previous version?If yes, How...



      Thanks a lot










      share|improve this question














      I have installed OpenCV version 4.1.0 on Ubuntu 18.04.1 LTS. Now, I need to use OpenCV 3.4.1. How can I install that specific version of OpenCV? Should i first uninstall the previous version?If yes, How...



      Thanks a lot







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