# coding=GBK
import cv2 as cv
import numpy as np
def video():
cap=cv.VideoCapture(0)
while(True):
ret,frame=cap.read()
if(ret==False):
break
hsv=cv.cvtColor(frame,cv.COLOR_BGR2HSV)
lower_hsv=np.array([26,43,46])#下阙值
upper_hsv=np.array([34,255,255])#上阕值
mask=cv.inRange(hsv,lower_hsv,upper_hsv)#
frame=cv.flip(frame,1)
msak=cv.flip(mask,1)
cv.imshow("video",frame)
cv.imshow("yellow",mask)
c = cv.waitKey(10)
if(c==27):
break
image=cv.imread("D://img.jpg")
video()
cv.waitKey(0)
cv.destroyAllWindows()