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INSTALL NUMPY FOR PYTHON 3.6 ON MAC INSTALL
INSTALL NUMPY FOR PYTHON 3.6 ON MAC WINDOWS

import cv2 #read img = cv2.imread('sample_image.jpg') #show cv2.imshow('image',img) cv2.waitKey(0) cv2.destroyAllWindows() Manipulating images using Python OpenCV.

INSTALL NUMPY FOR PYTHON 3.6 ON MAC INSTALL

run pip install opencv-contrib-python-headless if you need both main and contrib modules (check extra modules listing from OpenCV documentation) Import the package: import cv2.

run pip install opencv-python-headless if you need only main modules.

To install pip, run the following command: This script can be also downloaded from this page. I shipped the get-pip.py script in the Python 3 demopack. If you don’t have pip, don’t worry, you can easily install it.

Before installing OpenCV for Python, be sure to have the pip utility.

I tried pip install cv2 and pip install open_cv and got the same problem - a warning message from dist.py and complains about zlib being not found.

you can type this instead of pip install cv2. Unable to install cv2 on windows, pip install opencv-python. python3 -c "import cv2" Solution 3: In pip package management, there are 4 different OpenCV packages all using the same namespace, cv2. pip3 install opencv-python to check it has installed correctly run.

pip install opencv-python Solution 2: run the following command by creating a virtual enviroment using python 3 and run.

cv2module 0.1.2 A package that provides various functions to assist the OpenCV workflow cv2-extras 0.5.4 A Python library for higher level OpenCV functions used in image analysis and computer vision. cv-util 0.0.6 Utils for computer vision research.

cv2-utils 0.2.0 Utils for cv based on OpenCV.

INSTALL NUMPY FOR PYTHON 3.6 ON MAC WINDOWS

if you are using windows then go command prompt and type:- > pip install cv2 if it is not working then type :- pip install matplotlib See I have just downloaded opencv2.Press ↵ Enter or ⏎ Return to run the command.

This command will make sure the latest pip files are installed on your system to handle package managing tasks. Type and run python -m pip install -U pip.sudo pip install nose sudo pip install tornado sudo pip install numpy -ignore-installed numpy sudo pip install opencv-python 测试代码.