python对视频画框标记后保存的方法_Python

python对视频画框标记后保存的方法

2021-04-26 00:21别说话写代码 Python

今天小编就为大家分享一篇python对视频画框标记后保存的方法，具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧

需要画框取消注释rectangle

				?

									import cv2

									import os,sys,shutil

									import numpy as np

									# Open the input movie file, input the filepath as

									input_filepath = sys.argv[1]

									input_movie = cv2.VideoCapture(input_filepath)

									length = int(input_movie.get(cv2.CAP_PROP_FRAME_COUNT))

									#设置output

									output_movie = cv2.VideoWriter(input_filepath.replace("mp4","avi").replace("input","output"), cv2.VideoWriter_fourcc('D', 'I', 'V', 'X'), 25, (1280, 720))

									# Initialize some variables

									frame_number = 0

									while True:

									 # Grab a single frame of video

									 ret, frame = input_movie.read()

									 frame_number += 1

									 # Quit when the input video file ends

									 if not ret:

									  break

									 # Draw a box around the body: input the top left point(x,y) and bottom right point(x,y)

									 #cv2.rectangle(frame, (left, top), (right, bottom), (0, 0, 255), 2)

									 # Write the resulting image to the output video file

									 print("Writing frame {} / {}".format(frame_number, length))

									 output_movie.write(frame)

									# All done!

									input_movie.release()

									cv2.destroyAllWindows()