本文实例为大家分享了python实现视频分帧的具体代码，供大家参考，具体内容如下
|
1
2
3
4
5
6
7
8
9
10
11
|
import cv2 vidcap = cv2.videocapture('005.avi') success,image = vidcap.read() count = 0success = true while success: success,image = vidcap.read() cv2.imwrite("frame%d.jpg" % count, image) # save frame as jpeg file if cv2.waitkey(10) == 27: break count += 1 |
python tools：将视频的每一帧提取并保存
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
# coding=utf-8 import os import cv2 videos_src_path = "/home/wgp/视频/"video_formats = [".mp4", ".mov"] frames_save_path = "/home/wgp/视频/"width = 320height = 240time_interval = 50 def video2frame(video_src_path, formats, frame_save_path, frame_width, frame_height, interval): """ 将视频按固定间隔读取写入图片 :param video_src_path: 视频存放路径 :param formats: 包含的所有视频格式 :param frame_save_path: 保存路径 :param frame_width: 保存帧宽 :param frame_height: 保存帧高 :param interval: 保存帧间隔 :return: 帧图片 """ videos = os.listdir(video_src_path) def filter_format(x, all_formats): if x[-4:] in all_formats: return true else: return false videos = filter(lambda x: filter_format(x, formats), videos) for each_video in videos: print "正在读取视频：", each_video each_video_name = each_video[:-4] os.mkdir(frame_save_path + each_video_name) each_video_save_full_path = os.path.join(frame_save_path, each_video_name) + "/" each_video_full_path = os.path.join(video_src_path, each_video) cap = cv2.videocapture(each_video_full_path) frame_index = 0 frame_count = 0 if cap.isopened(): success = true else: success = false print("读取失败!") while(success): success, frame = cap.read() print "---> 正在读取第%d帧:" % frame_index, success if frame_index % interval == 0: resize_frame = cv2.resize(frame, (frame_width, frame_height), interpolation=cv2.inter_area) # cv2.imwrite(each_video_save_full_path + each_video_name + "_%d.jpg" % frame_index, resize_frame) cv2.imwrite(each_video_save_full_path + "%d.jpg" % frame_count, resize_frame) frame_count += 1 frame_index += 1 cap.release() if __name__ == '__main__': video2frame(videos_src_path, video_formats, frames_save_path, width, height, time_interval) |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/as472780551/article/details/80534224
