OpenCVの動作確認

http://opencv.blog.jp/python/loadimage

https://opencv-python-tutroals.readthedocs.org/en/latest/py_tutorials/py_gui/py_image_display/py_image_display.html#using-opencv

sh-3.2# /usr/local/bin/python3.5

Python 3.5.1 (default, Apr 18 2016, 11:55:04) 

[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.57)] on darwin

Type "help", "copyright", "credits" or "license" for more information.

>>> import cv2

>>> import numpy as np

>>> img = cv2.imread('test2.jpg',0)

>>> cv2.line(img,(0,0),(50,50),(255,0,0),5)

array([[255, 255, 255, ..., 255, 255, 255],

       [255, 255, 255, ..., 255, 255, 255],

       [255, 255, 255, ..., 255, 255, 255],

       ..., 

       [ 40,  42,  45, ...,  22,  25,  26],

       [ 56,  57,  58, ...,  15,  16,  18],

       [ 64,  65,  65, ...,  16,  14,  15]], dtype=uint8)

>>> cv2.imshow("image",img)

>>> cv2.waitKey(0)

v2.destroyAllWindows()

27  

>>> v2.destroyAllWindows()

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

NameError: name 'v2' is not defined

>>> cv2.destroyAllWindows()

>>> 

matplotlibを動かしたいが、エラーが出る。

/usr/local/Cellar/にインストールされているが、それを呼び出せない。

sh-3.2# /usr/local/bin/python3.5

Python 3.5.1 (default, Apr 18 2016, 11:55:04) 

[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.57)] on darwin

Type "help", "copyright", "credits" or "license" for more information.

>>> import cv2

>>> import numpy as np

>>> from matplotlib import pyplot as plt

Traceback (most recent call last):

  File "<stdin>", line 1, in <module>

ImportError: No module named 'matplotlib'