Questions - OpenCV Q&A Forum

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2019-06-13 23:55:40 -0600 berak

OpenCV error on Training, please help. [closed]

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2019-04-13 10:05:16 -0600 supra56

error: OpenCV(3.4.1) C:\Miniconda3\conda-bld\opencv-suite_1533128839831\work\modules\highgui\src\window.cpp:356: error: (-215) size.width>0 && size.height>0 in function cv::imshow

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2019-03-17 20:50:00 -0600 supra56

how to solve this error error: C:\build\2_4_winpack-bindings-win32-vc14-static\opencv\modules\imgproc\src\color.cpp:3783: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor

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2019-03-18 02:18:13 -0600 LBerger

Expected cv::UMat for argument 'src'

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

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

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2019-02-12 12:14:43 -0600 LBerger

Facing assertion error

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2019-02-08 09:49:09 -0600 vivekz

why the image is not showing even after coded correctly without any error???

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2019-01-06 10:46:57 -0600 LBerger

i am unable to solve this plz help as soon as possible the cascade and the code is in the same file but i still get this error

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2019-11-12 06:02:11 -0600 Tarviha

anyone know how to solve this error??

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2018-04-26 03:32:39 -0600 berak

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

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2018-01-13 16:22:48 -0600 prajjval1

how i solve this error

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2017-05-28 08:55:14 -0600 berak

OpenCV Error: Assertion failed (!empty()) in detectMultiScale

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2015-01-05 05:21:18 -0600 FooBar

13 questions

OpenCV error on Training, please help. [closed]

error: OpenCV(3.4.1) C:\Miniconda3\conda-bld\opencv-suite_1533128839831\work\modules\highgui\src\window.cpp:356: error: (-215) size.width>0 && size.height>0 in function cv::imshow

how to solve this error error: C:\build\2_4_winpack-bindings-win32-vc14-static\opencv\modules\imgproc\src\color.cpp:3783: error: (-215) scn == 3 || scn == 4 in function cv::cvtColor

Expected cv::UMat for argument 'src'

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

Facing assertion error

why the image is not showing even after coded correctly without any error???

i am unable to solve this plz help as soon as possible the cascade and the code is in the same file but i still get this error

anyone know how to solve this error??

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

how i solve this error

OpenCV Error: Assertion failed (!empty()) in detectMultiScale

OpenCV Error: Assertion failed (!empty()) in detectMultiScale

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