day1 Opencv安装 python 2.7 (32位)

【参考安装步骤】 http://opencv-python-tutroals.readthedocs.io/en/latest/index.html

        http://blog.csdn.net/huruzun/article/details/39395343

1.环境

win7 64

python2.7  32位  https://www.python.org/downloads/   

  切记:安装过程中,添加到环境变量PATH中

    

查看python是32位还是64位?

    

2.openCV安装


  2.1 安装 numpy     

      下载地址:https://sourceforge.net/projects/numpy/files/NumPy/1.7.1/numpy-1.7.1-win32-superpack-python2.7.exe/download

         

    打开cmd到存放文件的当前目录,(我的就在桌面放的)
    执行   pip2 install  numpy-1.13.1+mkl-cp27-cp27m-win32

     



    2)安装VC

    error错误:缺少  Visual C++ 9.0

          error: Microsoft Visual C++ 9.0 is required. Get it from http://aka.ms/vcpython27

    下载地址:https://www.microsoft.com/en-us/download/details.aspx?id=44266  

    安装vc成功后,cmd执行命令  pip2 install  numpy-1.13.1+mkl-cp27-cp27m-win32

  

   3) 安装成功

   python环境下: import numpy

  

  2.2 安装matplotlib   

    下载地址:https://downloads.sourceforge.net/project/matplotlib/matplotlib/matplotlib-1.3.0/matplotlib-1.3.0.win32-py2.7.exe

     



    

    1). error报错:缺少dateutil模块   

      raise ImportError("matplotlib requires dateutil")
    ImportError: matplotlib requires dateutil

    

    dateutil模块    下载地址:http://www.lfd.uci.edu/~gohlke/pythonlibs/#python-dateutil 

      

      

    2)报错: 缺少pyparsing模块

      raise ImportError("matplotlib requires pyparsing")
    ImportError: matplotlib requires pyparsing

      

  

    pyparsing模块,下载地址:http://www.lfd.uci.edu/~gohlke/pythonlibs/#pyparsing

        

      

     3)安装成功

    

 2.3 安装opencv

   1)下载

    地址 https://sourceforge.net/projects/opencvlibrary/files/latest/download?source=files

   双击安装

         

    2)复制配置文件

  到 安装目录下的 C:opencvuildpython2.7x86

  将cv2.pyd复制到C:Python27Libsite-packages

    

  

    3)安装成功:

       

     4)查看opencv版本

      

    在命令行输入以下代码:

        python
        import cv2
        cv2.__version__

3. 测试程序

import numpy as np
import matplotlib.pyplot as plt

N = 5
menMeans = (20, 35, 30, 35, 27)
menStd =   (2, 3, 4, 1, 2)

ind = np.arange(N)  # the x locations for the groups
width = 0.35       # the width of the bars

fig, ax = plt.subplots()
rects1 = ax.bar(ind, menMeans, width, color='r', yerr=menStd)

womenMeans = (25, 32, 34, 20, 25)
womenStd =   (3, 5, 2, 3, 3)
rects2 = ax.bar(ind+width, womenMeans, width, color='y', yerr=womenStd)

# add some
ax.set_ylabel('Scores')
ax.set_title('Scores by group and gender')
ax.set_xticks(ind+width)
ax.set_xticklabels( ('G1', 'G2', 'G3', 'G4', 'G5') )

ax.legend( (rects1[0], rects2[0]), ('Men', 'Women') )

def autolabel(rects):
    # attach some text labels
    for rect in rects:
        height = rect.get_height()
        ax.text(rect.get_x()+rect.get_width()/2., 1.05*height, '%d'%int(height),
                ha='center', va='bottom')

autolabel(rects1)
autolabel(rects2)

plt.show()

  

import cv2  
import numpy as np  
  
img = cv2.imread("22.png")  
emptyImage = np.zeros(img.shape, np.uint8)  
  
emptyImage2 = img.copy()  
  
emptyImage3=cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)  
  
cv2.imshow("EmptyImage3", emptyImage3)  
cv2.waitKey (0)  
cv2.destroyAllWindows()  

  

原文地址:https://www.cnblogs.com/venicid/p/7593901.html