Examples of image reading, cutting and cropping functions implemented in Python using matplotlib

This article mainly introduces the image reading, cutting and cropping functions implemented by Python using matplotlib. It analyzes the loading, reading, coordinate control and cropping related operation skills of Python based on matplotlib in the form of examples. Friends who need it can Refer to the following

The example of this article describes the image reading, cutting and cropping functions implemented by Python using matplotlib. Share it with everyone for your reference, the details are as follows:

# -*- coding:utf-8 -*-
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
import matplotlib.pylab as plt
# 加载图像
im = plt.imread("C:/4.png")
print(im.shape)
# (y轴像素点数， x轴像素点数，图像通道数)
def plti(im, **kwargs):
  """
  画图的辅助函数
  """
  plt.imshow(im, interpolation="none", **kwargs)
  plt.axis('off') # 去掉坐标轴
  plt.show() # 弹窗显示图像
im = im[50:380,:250,:] # 直接切片对图像进行裁剪
plti(im)

Image before processing:

Run The final effect:

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