如何划分投资回报率轮廓？

Question

我刚刚开始学习opencv并使用python学习。

我找到了轮廓，但是我想切成三个区域，因为这是三个骰子

原始：

想要这样更改：

如何修复我的代码？

我将VS CODE与opencv4和python3一起使用

Traceback (most recent call last):
File "D:/PyCharm/exercise/numpy_exercise/pandas_py.py", line 1, in 
<module>
import matplotlib.pyplot as plt
File "C:\Users\smile\AppData\Roaming\Python\Python37\site- 
packages\matplotlib\__init__.py", line 143, in <module>
from matplotlib import ft2font
ImportError: cannot import name 'ft2font' from 'matplotlib' 
 (C:\Users\smile\AppData\Roaming\Python\Python37\site- 
 packages\matplotlib\__init__.py)

 Error showing on Jupyter Notebook

<ipython-input-1-1842680e3d86> in <module>
  1 import pandas as pd
  2 import numpy as np
    ----> 3 import matplotlib.pyplot as plt
  4 get_ipython().run_line_magic('matplotlib', 'inline')
  5 

 ~\AppData\Roaming\Python\Python37\site-packages\matplotlib\pyplot.py in 
 <module>
 30 from cycler import cycler
 31 import matplotlib
   ---> 32 import matplotlib.colorbar
 33 import matplotlib.image
 34 from matplotlib import rcsetup, style

 ~\AppData\Roaming\Python\Python37\site-packages\matplotlib\colorbar.py 
 in <module>
 25 
 26 import matplotlib as mpl
 ---> 27 import matplotlib.artist as martist
 28 import matplotlib.cbook as cbook
 29 import matplotlib.collections as collections

 ModuleNotFoundError: No module named 'matplotlib.artist'

Answer 1

根据您的问题，我的解决方案是找到外部轮廓，然后将其分成3个相同大小的部分，因为您的对象具有相同的宽度。但通常，您必须提供更多测试图像。