使用 python 写一个程序,调用电脑摄像头每隔 5 秒拍照一次存储到本地
import cv2
import time
import os
import datetime
print("start")
# 设置摄像头编号,一般为0或1
camera_id = 0
# 设置保存图片的路径
save_path = "capture/"
if not os.path.exists(save_path):
os.mkdir(save_path)
# 创建VideoCapture对象
cap = cv2.VideoCapture(camera_id)
print(cap)
# 检查摄像头是否打开
if not cap.isOpened():
print("Unable to open camera")
exit(1)
# 设置循环抓拍
while True:
# 捕获一帧图像
ret, frame = cap.read()
# 如果图像捕获失败,退出循环
if not ret:
print("Unable to capture frame")
break
# 生成文件名
# timestamp = int(time.time())
date = datetime.datetime.today().strftime("%Y%m%d")
date_path = save_path + date + "/"
if not os.path.exists(date_path):
os.mkdir(date_path)
date_time = datetime.datetime.today().strftime("%H%M%S")
filename = date_path + str(date_time) + ".jpg"
print(filename)
# 保存图像到本地
cv2.imwrite(filename, frame)
# 等待10秒
time.sleep(5)
# 释放资源
cap.release()