Questions - OpenCV Q&A Forum

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2012-09-25 10:39:30 -0600 Kirill Kornyakov

Getting single frames from video with python

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no

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2012-07-12 16:49:17 -0600 blue

videofacerec.py example help

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2

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5

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2015-07-17 12:16:33 -0600 wunjo

cv2.VideoCapture: Cannot read from file

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4

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2013-08-20 02:11:05 -0600 NikolasE

How to set resolution of video capture in python with Logitech c910 & c920

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2016-05-18 19:15:25 -0600 DanGoodrick

Cannot open .mov file using cv2.VideoCapture in Python on Windows

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2014-07-29 03:08:13 -0600 nicosmik

Python cv2.VideoCapture from subprocess.PIPE?

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2017-12-04 05:38:12 -0600 supra56

How to solve this cvtColor() error? "cv2.error: C:\builds\master_PackSlaveAddon-win32-vc12-static\opencv\modules\imgproc\src\color.cpp:7456: error: (-215) scn == 3 || scn == 4 in function cv::ipp_cvtColor"

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2016-09-06 04:59:43 -0600 Karthikeyan

output.avi file created but its size is 0k

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2017-08-16 21:01:27 -0600 supra56

cv2.videoCapture(filename) assigning filename dynamically

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2013-09-15 10:34:30 -0600 Abid Rahman K

Python bindings on Mac Os X Mountain Lion

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2013-10-14 12:01:20 -0600 ohra

VideoCapture .read() on OSX always gives False, None

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2014-10-22 23:07:11 -0600 Dereck

OpenCV, & an Axis Camera (cannot open connection)

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2015-03-11 15:00:23 -0600 Graf

VideoCapture & Python returns False trying to read a video file

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2015-07-13 09:57:01 -0600 jackwayneright

VideoCapture.read() count doesn't match CAP_PROP_FRAME_COUNT or output by FFMPEG

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1

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no

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2016-04-12 02:25:56 -0600 pklab

Alter the video dimensions

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1

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no

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2016-09-16 17:11:04 -0600 Sam94

Segmentation fault OpenCV cap.read() udp stream Python

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2016-11-15 11:07:59 -0600 Bruno Leme

RTSP communication problem

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2016-12-20 11:25:15 -0600 smokey

How does the cv2.VideoCapture class work with gstreamer pipelines?

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2017-02-22 13:53:42 -0600 Codacus

python frame grabbing from ip camera and process in a different thread

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2017-03-16 05:32:59 -0600 berak

picamera alternative in openCV(C++)

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2017-03-29 10:17:36 -0600 potu1304

OpenCV Error: Assertion failed (size.width>0 && size.height>0) in cv::imshow (Python)

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2017-05-17 02:21:05 -0600 J. Romeo

VideoCapture captures at low fps

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2017-10-18 13:47:11 -0600 Vijay Nirmal

Second camera is not opening until the first camera is released

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2019-01-27 21:20:27 -0600 supra56

VideoCapture freezes immediately after calling in code | Python 3

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2019-06-14 02:57:55 -0600 shuhei

delay of VideoCapture::read (python)

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2019-07-24 03:21:28 -0600 Ziri

4K VideoCapture very slow on Windows compared to MS Camera App

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2019-08-22 12:08:48 -0600 fishy

OpenCV 4.1.0 not changing brightness

10k

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2020-04-27 15:39:25 -0600 slalomchip

Reliable Video Capture in OpenCV from USB Video Capture Devices

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1

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no

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2020-10-02 04:10:49 -0600 berak

Image frame saving from Video without losing resolution and quality

4k

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no

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no

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2012-10-25 23:21:15 -0600 blarg

53 questions

Getting single frames from video with python

videofacerec.py example help

cv2.VideoCapture: Cannot read from file

How to set resolution of video capture in python with Logitech c910 & c920

Cannot open .mov file using cv2.VideoCapture in Python on Windows

Python cv2.VideoCapture from subprocess.PIPE?

How to solve this cvtColor() error? "cv2.error: C:\builds\master_PackSlaveAddon-win32-vc12-static\opencv\modules\imgproc\src\color.cpp:7456: error: (-215) scn == 3 || scn == 4 in function cv::ipp_cvtColor"

output.avi file created but its size is 0k

cv2.videoCapture(filename) assigning filename dynamically

Python bindings on Mac Os X Mountain Lion

VideoCapture .read() on OSX always gives False, None

OpenCV, & an Axis Camera (cannot open connection)

VideoCapture & Python returns False trying to read a video file

VideoCapture.read() count doesn't match CAP_PROP_FRAME_COUNT or output by FFMPEG

Alter the video dimensions

Segmentation fault OpenCV cap.read() udp stream Python

RTSP communication problem

How does the cv2.VideoCapture class work with gstreamer pipelines?

python frame grabbing from ip camera and process in a different thread

picamera alternative in openCV(C++)

OpenCV Error: Assertion failed (size.width>0 && size.height>0) in cv::imshow (Python)

VideoCapture captures at low fps

Second camera is not opening until the first camera is released

VideoCapture freezes immediately after calling in code | Python 3

delay of VideoCapture::read (python)

4K VideoCapture very slow on Windows compared to MS Camera App

OpenCV 4.1.0 not changing brightness

Reliable Video Capture in OpenCV from USB Video Capture Devices

Image frame saving from Video without losing resolution and quality

VideoCapture open and source switching problems [closed]

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