[英]Unable to save the video using opencv in videoWriter module in python
[英]How to save a video using OpenCV VideoWriter to a specific directory -- python
我正在尝试将视频保存在特定文件夹中。 但是在运行代码后没有保存输出。 有人可以帮忙吗? 谢谢。
cap = cv2.VideoCapture(file_paths[0])
fgbg = cv2.bgsegm.createBackgroundSubtractorMOG()
fourcc = cv2.VideoWriter_fourcc(*'XVID')
name = "C:\jupyter_projects\Test Folder\Intention dataset\background_subtracted\out.mp4"
out = cv2.VideoWriter(name,fourcc, 20,(320,180),False)
while(1):
ret, frame = cap.read()
if (ret == True):
resized_frame = cv2.resize(frame,(320,180),fx=0,fy=0, interpolation = cv2.INTER_CUBIC)
fgmask = fgbg.apply(resized_frame)
cv2.imshow('Frame',fgmask)
out.write(fgmask)
if cv2.waitKey(30) & 0xFF == ord('q'):
break
else:
break
cap.release()
out.release()
cv2.waitKey(5)
cv2.destroyAllWindows()
PS:当我使用默认目录保存视频时,输出将被保存。
out = cv2.VideoWriter("out.mp4",fourcc, 20,(320,180),False)
尝试
fourcc = cv2.VideoWriter_fourcc(*'MP4V')
代替
fourcc = cv2.VideoWriter_fourcc(*'XVID')
当你调用函数时
cv2.VideoWriter("/your/path/filename.mp4",fourcc, 20,(320,180))
我希望它有帮助:)
createBackgroundSubtractorMOG2()
,import cv2
cap = cv2.VideoCapture(0)
# fgbg = cv2.bgsegm.createBackgroundSubtractorMOG()
fgbg = cv2.createBackgroundSubtractorMOG2()
fourcc = cv2.VideoWriter_fourcc(*'XVID')
name = "C://path//of//your_dir//out.mp4"
out = cv2.VideoWriter(name,fourcc, 20,(320,180),False)
while(1):
ret, frame = cap.read()
if (ret == True):
resized_frame = cv2.resize(frame,(320,180),fx=0,fy=0, interpolation = cv2.INTER_CUBIC)
fgmask = fgbg.apply(resized_frame)
cv2.imshow('Frame',fgmask)
out.write(fgmask)
if cv2.waitKey(30) & 0xFF == ord('q'):
break
else:
break
cap.release()
out.release()
cv2.waitKey(5)
cv2.destroyAllWindows()
这将保存您的 out.mp4 给定位置。 在指定文件位置时,您还可以使用单正斜杠而不是双正斜杠。
尝试对文件目录使用单引号和双斜杠。
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