[라즈베리파이 강좌] OpenCV 예제 4. 카메라로 동영상 촬영하기

 $ source ~/.profile

 $ workon cv

 $ pip install "picamera[array]"

 $ nano test_image.py

 # import the necessary packages

 from picamera.array import PiRGBArray

 from picamera import PiCamera

 import time

 import cv2

 # initialize the camera and grab a reference to the raw camera capture

camera = PiCamera()

camera.resolution = (640, 480)

camera.framerate = 32

rawCapture = PiRGBArray(camera, size=(640, 480))

# allow the camera to warmup

time.sleep(0.1)

# capture frames from the camera

for frame in camera.capture_continuous(rawCapture, format="bgr", use_video_port=True):

# grab the raw NumPy array representing the image, then initialize the timestamp

# and occupied/unoccupied text

image = frame.array

# show the frame

cv2.imshow("Frame", image)

key = cv2.waitKey(1) & 0xFF

# clear the stream in preparation for the next frame

rawCapture.truncate(0)

# if the `q` key was pressed, break from the loop

if key == ord("q"):

break

 $ python test_test.py