Python cv指定间隔截取视频帧并保存图像到指定路径
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2022-03-21 08:01:14
Python cv指定间隔截取视频帧并保存图像到指定路径import cv2import globimport osfrom datetime import datetimedef video_to_frames(path): """ 输入:path(视频文件的路径) """ # VideoCapture视频读取类 videoCapture = cv2.VideoCapture() videoCapture.open(path) # 帧率...
Python cv指定间隔截取视频帧并保存图像到指定路径
import cv2
import glob
import os
from datetime import datetime
def video_to_frames(path):
"""
输入:path(视频文件的路径)
"""
# VideoCapture视频读取类
videoCapture = cv2.VideoCapture()
videoCapture.open(path)
# 帧率
fps = videoCapture.get(cv2.CAP_PROP_FPS)
# 总帧数
frames = videoCapture.get(cv2.CAP_PROP_FRAME_COUNT)
print("fps=", int(fps), "frames=", int(frames))
for i in range(int(frames)):
ret, frame = videoCapture.read()
if i%300 == 1:
cv2.imwrite("D:/pct_1/det/vedio%d.jpg" % (i), frame)
return
if __name__ == '__main__':
t1 = datetime.now()
video_to_frames("D:/pct_1/net/ster/w-2.avi")
t2 = datetime.now()
print("Time cost = ", (t2 - t1))
print("SUCCEED !!!")
本文地址:https://blog.csdn.net/weixin_45875199/article/details/107177824