KNN IMage classifier not working

#1

This code isnt working Here is the code:
import cv2
cap=cv2.VideoCapture(0)
Face_cascade=cv2.CascadeClassifier(“haarcascade_frontalface_alt.xml”)
ret,frame=cap.read()
gray_frame=cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY)
if ret == False:
continue
faces=Face_cascade.detectMultiScale(gray_frame,1.3,5)
for (x,y,w,h) in faces:
cv2.rectangle(frame,(x,y),(x+w,y+h),(255,0,0),2)
cv2.imshow(“Video Frame”,frame)
key_pressed=cv2.waitKey(1)&0xFF
if key_pressed==ord(‘q’):
break
cap.release()
cv2.destroyAllWindows()

#2

Share the screenshot of the error.

#3

Screenshot

Screenshot%20from%202020-03-10%2006-54-46
Screenshot%20from%202020-03-10%2006-54-461920×1080 192 KB

#4

You have forgotten the line
while(True):

before ret,frame …

#5

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