最近高攝像頭項目，順便擴展學習python+opencv的圖片處理和視頻處理。
拍照效果：
代碼：
#!/usr/bin/python
# -*- coding: utf-8 -*-
import cv2
import time
AUTO = True # 自動拍照，或手動按s鍵拍照
INTERVAL = 2 # 自動拍照間隔
cv2.namedWindow("left")
cv2.namedWindow("right")
cv2.moveWindow("left", 0, 0)
cv2.moveWindow("right", 400, 0)
left_camera = cv2.VideoCapture(0)
#cv2.waitKey(50)
#left_camera.set(cv2.CV_CAP_PROP_FRAME_WIDTH,320)
#left_camera.set(cv2.CV_CAP_PROP_FRAME_HEIGHT,240)
right_camera = cv2.VideoCapture(1)
#right_camera.set(cv2.CV_CAP_PROP_FRAME_WIDTH,320)
#right_camera.set(cv2.CV_CAP_PROP_FRAME_HEIGHT,240)
counter = 0
utc = time.time()
pattern = (12, 8) # 棋盤格尺寸
folder = "./snapshot/" # 拍照文件目錄
def shot(pos, frame):
global counter
path = folder + pos + "_" + str(counter) + ".jpg"
cv2.imwrite(path, frame)
print("snapshot saved into: " + path)
while True:
ret, left_frame = left_camera.read()
ret, right_frame = right_camera.read()
cv2.imshow("left", left_frame)
cv2.imshow("right", right_frame)
now = time.time()
if AUTO and now - utc >= INTERVAL:
shot("left", left_frame)
shot("right", right_frame)
counter += 1
utc = now
key = cv2.waitKey(1)
if key == ord("q"):
break
elif key == ord("s"):
shot("left", left_frame)
shot("right", right_frame)
counter += 1
left_camera.release()
right_camera.release()
cv2.destroyWindow("left")
cv2.destroyWindow("right")