accessing camera with python
import cv2
vid = cv2.VideoCapture(0)
while True:
ret, frame = vid.read()
cv2.imshow('Controlling my computer camera', frame)
if cv2.waitKey(4) & 0xFF == ord('q'):
break
vid.release()
cv2.destroyAllWindows()image capture from camera python
import cv2
cam = cv2.VideoCapture(0)
cv2.namedWindow("test")
img_counter = 0
while True:
ret, frame = cam.read()
if not ret:
print("failed to grab frame")
break
cv2.imshow("test", frame)
k = cv2.waitKey(1)
if k%256 == 27:
# ESC pressed
print("Escape hit, closing...")
break
elif k%256 == 32:
# SPACE pressed
img_name = "opencv_frame_{}.png".format(img_counter)
cv2.imwrite(img_name, frame)
print("{} written!".format(img_name))
img_counter += 1
cam.release()
cv2.destroyAllWindows()Copyright © 2021 Codeinu
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