Third commit

Picture_Reading.py

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+# -*- coding: utf-8 -*-
+# @Time    : 2022-7-24 0024 16:00
+# @Author  : Qing
+# @Email   : derighoid@gmail.com
+# @File    : Picture_Reading.py
+# @Software: PyCharm
+
+# 导入库
+import os.path
+
+import matplotlib.pyplot as plt
+import numpy as np
+from PIL import Image
+
+
+# 建立图片读取类
+class pictureRead(object):
+    def __init__(self, filePath):
+        self.filePath = filePath
+
+    # 图片读取
+    def fileRead(self):
+        if self.filePath == " ":
+            print("Please full in the file path")
+        else:
+            face = Image.open(self.filePath)
+        return face
+
+    # 图片转矩阵
+    def imageMatrix(self):
+        im = np.array(self.fileRead())
+        return im
+
+    # 图片转灰色
+    def imageGrey(self):
+        im_gray = np.array(self.fileRead().convert("L"))
+        return im_gray
+
+    # 打印图片类型
+    def get_imageType(self):
+        print(type(self.imageGrey()))
+
+    # 打印图片矩阵元素类型
+    def get_imageDtype(self):
+        print(self.imageGrey().dtype)
+
+    # 打印图片大小
+    def get_imageSize(self):
+        print(self.imageMatrix().shape)
+
+    # 图片plt展示
+    def plt_image(self):
+        # 原图片显示
+        plt.imshow(self.imageMatrix())
+        plt.show()
+        # 灰色图片显示
+        plt.imshow(self.imageGrey())
+        plt.show()
+
+    # 图片保存
+    def image_save(self):
+        path = 'E:\\桌面\\Python_Picture_Analysis\\data\\numpy_red.png'
+        root="E:\\桌面\\Python_Picture_Analysis\\data\\"
+        if not os.path.exists(root):
+            os.mkdir(root)  # 判断是否存在文件夹
+        else:
+            if os.path.exists(path):  # 判断是否已经存在该文件
+                print("File already exists")
+            else:
+                Image.fromarray(np.uint8(self.imageGrey())).save(path)
+                print("Save successfully")
+
+