opencv基础操作01

import cv2
import numpy as np
# #加载图像
# # img=cv2.imread("C:/Users/31132/Desktop/login.jpg")
# # cv2.imshow("Output",img)
# # cv2.waitKey(1000)
#
# #加载视频，网络摄像头
# cap=cv2.VideoCapture("C:/Users/31132/Desktop/VID_20201024_082711.mp4")
# #图像显示：遍历帧
# while True:
#     success,img=cap.read()
#     cv2.imshow("Video",img)
#     if cv2.waitKey(1)&0xFF==ord('q'):e
#         break;
# kernel=np.ones((2,2),np.uint8)
#
#
#
# img=cv2.imread("C:/Users/31132/Desktop/cheliang_fuben.jpeg")
# #灰度图像
# imgGray=cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
# #高斯模糊
# imgBlur=cv2.GaussianBlur(imgGray,(7,7),0)
# #边缘
# imgCanny=cv2.Canny(imgBlur,100,100)
# #膨胀
# imgDialation=cv2.dilate(imgCanny,kernel,iterations=5)
# #侵蚀
# imgEroded=cv2.erode(imgDialation,kernel,iterations=9)
#
# # cv2.imshow("Output",imgGray)
# cv2.imshow("Output2",imgBlur)
# cv2.imshow("Output3",imgCanny)
# cv2.imshow("Output4",imgDialation)
# cv2.imshow("Output5",imgEroded)
# cv2.waitKey(0)

# img=cv2.imread("C:/Users/31132/Desktop/cheliang_fuben.jpeg")
# print(img.shape)
# #Resize
# imgResize=cv2.resize(img,(300,300))
# #裁剪
# imgCroped=img[0:200,0:200]
# cv2.imshow("YuanShi",img)
# cv2.imshow("Resize",imgResize)
# cv2.imshow("croped",imgCroped)
# cv2.waitKey(0)

# img=np.zeros((512,512,3),np.uint8)
# print(img.shape)
#
# #着色
# img[0:100,0:100]=0,222,0
#
# #画线
# cv2.line(img,(100,100),(img.shape[0],img.shape[1]),(255,255,0),3)
# #画矩形
# cv2.rectangle(img,(100,100),(img.shape[0],img.shape[1]),(255,255,0),2)
# #画圆
# cv2.circle(img,(200,200),30,(255,255,255),4)
# #写字
# cv2.putText(img,"软工",(200,200),cv2.FONT_ITALIC,1,(0,0,200))
# cv2.imshow("Black",img)
# cv2.waitKey(0)

#until 4557