Capture a series of images from the raspberry pi camera

imagecap.py

from picamera.array import PiRGBArray
from picamera import PiCamera
import cv2
import time

# initialize the camera and grab a reference to the raw camera capture
camera = PiCamera()
camera.resolution = (1280, 720)
camera.framerate = 10
rawCapture = PiRGBArray(camera, size=(1280, 720))

frame_num = 0

# delay to wait for camera to warm up
time.sleep(3)

# capture frames from the camera
for frame in camera.capture_continuous(rawCapture, format="bgr", use_video_port=True):
    image = frame.array
    if frame_num < 30:
        cv2.imwrite('output'+str(frame_num)+'.jpg', image)
        frame_num += 1
    else:
        break
    rawCapture.truncate(0)