61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
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# @Time : 2022-7-26 0026 9:58
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# @Author : Qing
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# @Email : derighoid@gmail.com
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# @File : Subtractive_Algorithm.py
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# @Software: PyCharm
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import os.path
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import numpy as np
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import matplotlib.pyplot as plt
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from PIL import Image
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from Picture_Reading import *
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class ReduceColor(pictureRead):
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def __init__(self,filePath):
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self.filePath=filePath
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def readImg(self):
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face4=Image.open(self.filePath)
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return face4
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def imageMatrix(self):
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im4 = np.array(self.readImg())
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return im4
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# 减色算法
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def decrease_color(self):
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out=self.imageMatrix().copy()
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out=out//64*64+32
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Image.fromarray((np.uint8(out))).save("E:\\桌面\\Python_Picture_Analysis\\data\\picture8.jpg")
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return out
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# 展示图片
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def plt_Img(self):
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plt.imshow(self.decrease_color())
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plt.show()
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#图像二值化(以128为阈值进行二值化)
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def imgBinarization(self):
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a=self.imageGrey()-np.array([[128]])
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b=np.floor(a/np.array([[256]]))
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c=b+np.array([[1]],dtype=np.int16)
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bfilter=c.astype("uint8")
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result=bfilter*np.array([[255]],dtype=np.uint8)
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# result=np.array(self.readImg().convert("1"))
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plt.imshow(result)
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plt.show()
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return result
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#保存图片
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def img_Save(self):
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root = "E:\\桌面\\Python_Picture_Analysis\\data\\"
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if not os.path.exists(root):
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os.mkdir(root)
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else:
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Image.fromarray(np.uint8(self.decrease_color())).save(root + 'picture8'+'.jpg')
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Image.fromarray(np.uint8(self.imgBinarization())).save(root + 'picture9'+'.jpg')
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print("Picture Save successfully")
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