I installed OpenCV in an anaconda Python 3.7 virtual environment on Windows 10 like this: python -m pip install opencv_python-4.1.2-cp37-cp37m-win_amd64.whl What's the current recommended way to read and write JP2 files in OpenCV_python?

Sep 8, 2015 · Problems installing opencv on mac with python. problem install opencv on linux mandriva. Problems following the Windows installation tutorial with 2.4.2. Why shall we install CMake for building Lib? Are the windows installation instructions for 2.4.3 out of date? OpenCV 2.4.3 for windows installation problem

Jul 3, 2017 · you're trying to build opencv's python bindings from scratch, yet you install (outdated?) binary versions with python-opencv and libopencv-dev. those WILL get in your way later. have a look here for the dependancies, those have to go before you build cv2 (e.g. libgtk2, python3-dev), no use to install that later

Jul 25, 2013 · If you compile OpenCV from source, and Anaconda is your default python interpretor (CMake rule PYTHON_PACKAGES_PATH = C:\Anaconda\Lib\site-packages), then the install rule will copy cv2.pyd to C:\Anaconda\Lib\site-packages. Otherwise, you could do it manually, and make sure OpenCV libs are in the PATH.

Aug 14, 2020 · I am attempting to install opencv-python on a fresh Raspbian OS image on a raspberry pi zero w. I am following an identical process that worked on a Raspberry Pi 4, and as far as I know it should work on the Zero W, but it takes 9 hours and has failed at the last second now twice. I give the command: pip3 --no-cache-dir install opencv-python

Nov 16, 2019 · For python 2 version sudo apt install python-pip For python 3 version sudo apt install python3-pip. To install opencv For python2 sudo pip install opencv-python For python 3 sudo pip3 install opencv-python .

Also, you probably want to be importing cv2 rather than opencv. I'm not sure of the exact history behind the name change, but all of the python code I've seen working with the latest version of opencv (and the example files which are provided when you install from source) uses cv2.

Oct 8, 2017 · I had this problem running opencv Version 3.4.1. Here is what I did. SPECS: Raspberry pi 3B, OS: Raspbian, Version: 9 (Stretch), Python 3, opencv Version 3.4.1 *Check opencv version in python *import cv2 *cv2.__version__. 1) sudo pip install opencv-contrib-python *After this I could not import cv2 in python until I installed the following.

May 19, 2020 · I built OpenCV 4.x from a git checkout with the necessary options to build the Python 3 module. The configuration output includes: -- OpenCV modules: -- To be built: ... python2 python3 ...

Jan 9, 2019 · I am having trouble enabling gstreamer support for the opencv python package (cv2). gstreamer1.0 is running fine as a standalone and I have manually built the cv2 python package from the OpenCV sources. import cv2 print(cv2.getBuildInformation()) prints: …