环境:ubuntu14.04
软件:opencv3.3 +pycharm
好久没有写博客了,手都感觉好生疏,最近一直在研究工控机,水下机器人等,好不容易闲下来,没办法呀,继续前行吧,前面一直说双目测距,但没有高速大家如何获得这个双目标注得图像,我在这把这代码贴一下吧,获得这些双目拍摄的图片就可以利用matlab和opencv进行标注了。
小编查了网上好多代码,在利用双目摄像头i实现拍照得时候总是出线黑框,无法获取图片,经过修改之后,我将代码改成了自动拍照或者按键S进行拍照
不多说,看看效果吧
#!/usr/bin/python
# -*- coding: utf-8 -*-
import cv2
import time
AUTO = True # 自动拍照,或手动按s键拍照
INTERVAL = 2 # 自动拍照间隔
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) # 棋盘格尺寸
folder = "./snapshot/" # 拍照文件目录
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")
好啦,到此结束,大家可结合自己自身情况修改或者标定吧