Answers for "python diplay camera"

1

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()
Posted by: Guest on June-30-2021
0

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()
Posted by: Guest on May-29-2021

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