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OpenCV3.4.2をPython3で動かしてみる

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環境

  • Windows7 X64
  • Python3.7
  • OpenCV3.4.2

構築手順

とりあえず最新のpython3の3.7.0を入れる
https://www.python.org/downloads/windows/
にアクセスして、Download Windows x86-64 executable installerを選択
&ダウンロード。
defaultで以下にインストールされるのでWindowsの環境変数Pathに以下パスを追加
C:\Users<Me>\AppData\Local\Programs\Python\Python37\Scripts

cmd
#opencv-pythonをインストール
pip install opencv-python
#なんかupgradeしろとのことなのでやってみる
You are using pip version 10.0.1, however version 18.0 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' comm
and.

#Upgrade
py -m pip install --upgrade pip

Installing collected packages: pip
  Found existing installation: pip 10.0.1
    Uninstalling pip-10.0.1:
      Successfully uninstalled pip-10.0.1
Successfully installed pip-18.0
#その他のパッケもいれる
pip install opencv-contrib-python
pip install matplotlib
pip install scipy
pip install ipython pyreadline
pip install jupyter

OpenCV実行

#py起動してopencv2
py
# importしてみる
>>> import cv2
# version確認
>>> cv2.__version__
'3.4.2'
>>>

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