<p>我想我已经解决了我的问题-不管是什么原因,它没有运行由于我的类型在我的append方法-我忘了把我的一个整数转换成一个字符串,我想,我已经修改了它,我想这解决了我的问题!为大家干杯!你知道吗</p>
<pre><code>import cv2
import tkinter as tk
from tkinter.filedialog import askopenfilename
import numpy as np
import os
import matplotlib.pyplot as plt
def frame_diff(prev_frame, cur_frame, next_frame):
diff_frames1 = cv2.absdiff(next_frame, cur_frame)
diff_frames2 = cv2.absdiff(cur_frame, prev_frame)
return cv2.bitwise_and(diff_frames1, diff_frames2)
def get_frame(cap):
ret, frame = cap.read()
if ret == True:
scaling_factor = 1
frame = cv2.resize(frame, None, fx = scaling_factor, fy = scaling_factor, interpolation = cv2.INTER_AREA)
return cv2.cvtColor(frame, cv2.COLOR_RGB2GRAY)
def main():
root = tk.Tk()
root.withdraw()
MIList = []
VideoFlag = []
selectedvideo = askopenfilename()
cap = cv2.VideoCapture(selectedvideo)
length = cap.get(cv2.CAP_PROP_FRAME_COUNT)
intlength = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
currentframenumber = cap.get(cv2.CAP_PROP_POS_FRAMES)
intcurrentframenumber = int(cap.get(cv2.CAP_PROP_POS_FRAMES))
scaling_factor = 1
fourcc = cv2.VideoWriter_fourcc(*'XVID')
out = cv2.VideoWriter((selectedvideo + 'motionindexed.avi'),fourcc, 60.0, (640,478), isColor=False)
with open((selectedvideo + 'threshold' + '.txt'), 'r') as readthreshold:
threshold = float(readthreshold.readline())
prev_frame = get_frame(cap)
cur_frame = get_frame(cap)
next_frame = get_frame(cap)
while (cap.isOpened()):
try:
cv2.imshow("Object Movement", frame_diff(prev_frame, cur_frame, next_frame))
prev_frame = cur_frame
cur_frame = next_frame
next_frame = get_frame(cap)
differencesquared = (next_frame-cur_frame)**2
interframedifference = np.sum(differencesquared)
MIList.append(interframedifference)
print(interframedifference)
if interframedifference >= threshold:
out.write(cur_frame)
VideoFlag.append((str(intcurrentframenumber) + ' ' + '|' + ' ' + '1' + '\n' ))
elif interframedifference < threshold:
VideoFlag.append((str(intcurrentframenumber) + ' ' + '|' + ' ' + '0' + ' \n'))
key = cv2.waitKey(1)
if key == ord('q'):
break
except:
break
with open((selectedvideo + 'flag' + '.txt'), 'w') as f:
for item in VideoFlag:
f.write((str(item) + '\n'))
print(VideoFlag)
cap.release()
cv2.destroyAllWindows()
if __name__ == '__main__':
# this is called if this code was not imported ... ie it was directly run
# if this is called, that means there is no GUI already running, so we need to create a root
root = tk.Tk()
root.withdraw()
main()
</code></pre>