Questions - OpenCV Q&A Forum

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2015-03-23 02:50:41 -0600 John5012

(opencv249\sources\samples\c\motempl.c): cvCalcGlobalOrientation always get 0 angle in Ubuntu Linux?

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2015-04-16 16:49:51 -0600 Joblo

Big problem when I build with arm-linux-gnueabi compiler (linux)

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2015-08-19 12:56:09 -0600 H4NZ0

Problem writing video files

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2016-02-01 04:46:55 -0600 satti

Hi How we can use posix threads in opencv program

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2016-05-14 16:08:49 -0600 sohail

I don't understand why I get this error - malloc(): memory corruption: 0xb6ea46a5 ***

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2016-08-14 12:57:08 -0600 arcsinus

videoio error v4l2 setting property #0 is not supported

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2016-11-15 07:36:33 -0600 sunny127

How to use opencv dft with Neon support from Qt on Raspberry Pi 3

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2016-12-13 00:43:56 -0600 joseph3010

OpenCV Error: Assertion failed (channels () == CV_MAT_CN (dtype)) in copyTo, file /home/tau/opencv/opencv-3.1.0/modules/core/src/copy.cpp, line 257

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2018-03-25 11:39:50 -0600 nasserahmed96

Can't link opencv libraries via Cmake in Linux

106

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2019-02-26 19:41:49 -0600 opencv.org

video record overwrites the next frame [closed]

875

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1

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2013-04-12 06:25:02 -0600 berak

OpenCV compile Eigenface.cpp in Linux with using CodeBlocks

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2013-04-13 10:27:32 -0600 berak

How to start to program face recognition?

722

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2017-02-27 01:41:25 -0600 pi-null-mezon

Neural Network for Image Recognition in C++/OpenCv

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1

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1

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2017-10-10 19:23:46 -0600 ossyaritoori

Uploading gpumat is too slow in jetson TX1

10k

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1

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-1

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2018-08-24 00:28:00 -0600 berak

Send/Receive vector <Mat> over Socket C/C++

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1

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no

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2018-10-23 05:56:14 -0600 berak

Add OpenCV to just one Extra Module

342

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2018-12-21 00:13:58 -0600 berak

Correct way to make library with priv / public header and pass cv::Mat

423

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1

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2019-07-09 21:44:00 -0600 supra56

‘MARKER_CROSS’ was not declared in this scope

852

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2

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1

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2018-12-11 00:10:30 -0600 berak

MultiTracker Rois

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2

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no

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2019-03-04 00:41:17 -0600 Yashas

which gcc++ compiler is need to run opencv4 code?

15k

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3

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2

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2019-12-10 06:51:01 -0600 holger

Is there a way to keep imwrite from overwriting files..?

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4

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2014-02-17 09:39:44 -0600 Josep Bosch

22 questions

(opencv249\sources\samples\c\motempl.c): cvCalcGlobalOrientation always get 0 angle in Ubuntu Linux?

Big problem when I build with arm-linux-gnueabi compiler (linux)

Problem writing video files

Hi How we can use posix threads in opencv program

I don't understand why I get this error - malloc(): memory corruption: 0xb6ea46a5 ***

videoio error v4l2 setting property #0 is not supported

How to use opencv dft with Neon support from Qt on Raspberry Pi 3

OpenCV Error: Assertion failed (channels () == CV_MAT_CN (dtype)) in copyTo, file /home/tau/opencv/opencv-3.1.0/modules/core/src/copy.cpp, line 257

Can't link opencv libraries via Cmake in Linux

video record overwrites the next frame [closed]

OpenCV compile Eigenface.cpp in Linux with using CodeBlocks

How to start to program face recognition?

Neural Network for Image Recognition in C++/OpenCv

Uploading gpumat is too slow in jetson TX1

Send/Receive vector <Mat> over Socket C/C++

Add OpenCV to just one Extra Module

Correct way to make library with priv / public header and pass cv::Mat

‘MARKER_CROSS’ was not declared in this scope

MultiTracker Rois

which gcc++ compiler is need to run opencv4 code?

Is there a way to keep imwrite from overwriting files..?

How can I reference a standalone OpenCV installation inspite of having other version of Opencv version in ROS

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