Python OpenCV 形态学操作（腐蚀膨胀，开运算和闭运算）

Python OpenCV 形态学操作（腐蚀膨胀，开运算和闭运算）


过滤器生成

kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (3, 3))  # 椭圆结构
kernel = cv2.getStructuringElement(cv2.MORPH_CROSS, (3, 3))  # 十字结构
kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (3, 3))  # 矩形结构

腐蚀膨胀开、闭运算

# -*-encoding:utf-8-*-
import pytesseract
from PIL import Image
from PIL import ImageFilter
from PIL import ImageFont
from PIL import ImageDraw
import numpy as np
from PIL import Image

import cv2


def main():
    # img = cv2.imread("test001.jpg") #读取图片
    # cv2.imshow("1",img) #显示图片
    # cv2.waitKey(10000)# 延时10s

    # image = Image.open("test002.png")
    # img = image.convert('1')  # 转化为灰度图

    # img.show()

    img = cv2.imread("test002.png", 0)
    kernel = np.ones