2018-03-02
好的开始 就意味着成功了一半。
pip install opencv-python
Collecting opencv-python
Downloading opencv_python-3.4.0.12-cp36-cp36m-win_amd64.whl (33.3MB)
100% |████████████████████████████████| 33.4MB 551kB/s
Requirement already satisfied: numpy>=1.11.3
in c:\users\xxx\anaconda3\lib\site-packages (from opencv-python)
Installing collected packages: opencv-python
Successfully installed opencv-python-3.4.0.12
读取显示一张图片：
cv2.IMREAD_COLOR（）：读入彩×××像； cv2.IMREAD_GRAYSCALE（）：以灰度模式读入图像 （同 缺失）
import cv2
import numpy as np
from matplotlib import pyplot as plt
img = cv2.imread('1.jpg',cv2.IMREAD_COLOR)
cv2.namedWindow('image',cv2.WINDOW_NORMAL)
cv2.imshow('image',img)
k = cv2.waitKey(0)
if k==27:
cv2.destroyAllWindows()
elif k == ord('s'):
cv2.imwrite('1a.jpg',img)
cv2.destoryAllWindows()
