Questions - OpenCV Q&A Forum

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2020-10-11 03:09:18 -0600 Ashley

How to solve TypeError: Expected Ptr<cv::UMat> for argument 'src'?

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2020-04-06 04:05:57 -0600 berak

How to use FPS module

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2020-04-06 02:48:08 -0600 berak

'NoneType' object is not subscriptable error after read some fames

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2019-12-13 13:47:55 -0600 supra56

I am trying to run yolo in opencv using darknet on cpu code works fine but not getting camera displayed.[Solved]

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2019-11-06 14:04:15 -0600 supra56

OpenCV does not read Logitech C920 .wmv files

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2019-10-27 11:57:03 -0600 Riptide

Obtaining Coordinate from image and labeling multiple objects

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2019-02-14 03:49:34 -0600 Kushal

cv2.VideoCapture(0).read() return always 'none' value

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2018-07-24 10:53:31 -0600 FreakTheMighty

OpenCV 3.4.2 VideoCapture letter boxed [x-post so]

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2018-07-23 09:32:23 -0600 sverona

3.4.2 cannot open and create videos, but with 3.4.1 I can

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2018-02-27 21:37:53 -0600 masterenol

Is there a limit to frames per second for a composite usb video capture device?

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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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2017-07-28 08:04:51 -0600 berak

12 questions

How to solve TypeError: Expected Ptr<cv::UMat> for argument 'src'?

How to use FPS module

'NoneType' object is not subscriptable error after read some fames

I am trying to run yolo in opencv using darknet on cpu code works fine but not getting camera displayed.[Solved]

OpenCV does not read Logitech C920 .wmv files

Obtaining Coordinate from image and labeling multiple objects

cv2.VideoCapture(0).read() return always 'none' value

OpenCV 3.4.2 VideoCapture letter boxed [x-post so]

3.4.2 cannot open and create videos, but with 3.4.1 I can

Is there a limit to frames per second for a composite usb video capture device?

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"

Can't play avi video (Anaconda 2)

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