Opencv从入门到放弃—2.图像处理(OpenCV = open(开源)+ c(ctrl c)+ v(ctrl v))

图像处理灰度图HSV**图像阈值**图像平滑形态学-腐蚀操作形态学-膨胀操作开运算与闭运算梯度运算礼帽与黑帽 灰度图 import cv2 #opencv读取的格式是BGR import numpy as np import matplotlib.pyplot as plt#Matplotlib是RGB %matplotlib inline img=cv2.imread('data/cat.jpg') img_gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY) img_gray.shape cv2.imshow("img_gray", img_gray