Questions - OpenCV Q&A Forum

2k

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1

answer

1

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2019-11-23 09:48:27 -0600 berak

How to save image data in shared pointer

c++
opencv

394

views

1

answer

no

votes

2019-11-27 02:45:32 -0600 Ziri

Detect valve position without colors on a video

c++
opencv

907

views

1

answer

1

vote

2019-11-27 11:07:15 -0600 Naman Gupta

can we create a 5*5 kernel np array in c++

314

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no

answers

2

votes

2019-11-28 10:27:13 -0600 Elis4

How to use dnn as a detector for facemark ?

809

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1

answer

no

votes

2019-11-28 12:57:21 -0600 mvuori

Save image using callBack Function

485

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no

answers

no

votes

2019-11-30 11:44:56 -0600 bllu

OpenCV Compilation/Linking Errors in async.hpp, version.hpp, dict.hpp, etc. when #include <opencv2/dnn.hpp> and <opencv2/opencv.hpp>

277

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no

answers

no

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2019-12-02 08:16:50 -0600 Kitnos

Problem displaying rectangle in a callBack function [closed]

396

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no

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no

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2019-12-03 08:27:29 -0600 Dimitar Veljanovski

How do I build a SLAM based tracking solution that tracks an object in 3D space

1k

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1

answer

-1

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2019-12-04 10:13:04 -0600 supra56

How to find circles in an image

c++
opencv

3k

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1

answer

1

vote

2019-12-06 06:49:21 -0600 berak

Finding Dominant colors in an image in c++

c++
opencv

1k

views

1

answer

no

votes

2019-12-09 12:16:06 -0600 gpcbitnik

How to pass image data from javascript to opencv c++ webassembly

15k

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3

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2

votes

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

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

89

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no

answers

no

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2019-12-11 02:21:36 -0600 it_master

How to associate a color value to a number?

c++
opencv

159

views

no

answers

no

votes

2019-12-13 04:28:48 -0600 CNieberding

How to install OpenCV 32bit on Win64 machine

160

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no

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no

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2019-12-18 11:04:37 -0600 heisenburg007

Get video input when device not on uvc input

3k

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no

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no

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2019-12-28 07:54:19 -0600 berak

Assertion failed (!fixedType() || ((Mat*)obj)->type() == mtype) in cv::_OutputArray::create while Performing DFT

11k

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1

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no

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2020-01-08 05:34:51 -0600 cudawarped

CUDA : OpenCV requires enabled 'cudev' module from 'opencv_contrib'

762

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no

answers

1

vote

2020-01-09 05:00:16 -0600 Sean87

Calibrating camera only for one plane

617

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no

answers

no

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2020-01-26 10:14:40 -0600 sreev

cuda nppial library not found while opencv compiling opencv-4.2.0

1k

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1

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no

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2020-01-27 11:00:14 -0600 h22

How to convert cv::Mat* to cv::Mat?

390

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1

answer

-1

votes

2020-01-28 02:18:13 -0600 h22

Problem with push_back

c++
opencv

663

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no

answers

no

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2020-01-29 04:19:30 -0600 eLtronicsvilla

How can I re-track an object if track(using optical flow) lost?

133

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no

answers

1

vote

2020-02-10 04:55:13 -0600 osky

Tracing opencv functions for remap()

1k

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1

answer

no

votes

2020-02-15 01:11:59 -0600 berak

error: ‘imread’ was not declared in this scope

3k

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no

answers

1

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2020-02-16 21:57:05 -0600 ToanVnET

OpenCV-VideoWriter can not write *.mp4 with C++ ?

1k

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1

answer

no

votes

2020-02-18 10:00:56 -0600 kbarni

how to detect discontinuity in object boundaries

202

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no

answers

no

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2020-02-25 04:22:20 -0600 supra56

Unable to capture 2 recorded video streams simultaneously

895

views

1

answer

no

votes

2020-02-27 10:10:51 -0600 MikeTronix

How to Get Rect from point

opencv
c++

2k

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no

answers

no

votes

2020-02-28 13:23:23 -0600 raisa_

How do I write into YML format and read it with opencv and C++ ?

1k

views

2

answers

no

votes

2020-03-02 19:10:54 -0600 HYPEREGO

1,383 questions

How to save image data in shared pointer

Detect valve position without colors on a video

can we create a 5*5 kernel np array in c++

How to use dnn as a detector for facemark ?

Save image using callBack Function

OpenCV Compilation/Linking Errors in async.hpp, version.hpp, dict.hpp, etc. when #include <opencv2/dnn.hpp> and <opencv2/opencv.hpp>

Problem displaying rectangle in a callBack function [closed]

How do I build a SLAM based tracking solution that tracks an object in 3D space

How to find circles in an image

Finding Dominant colors in an image in c++

How to pass image data from javascript to opencv c++ webassembly

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

How to associate a color value to a number?

How to install OpenCV 32bit on Win64 machine

Get video input when device not on uvc input

Assertion failed (!fixedType() || ((Mat*)obj)->type() == mtype) in cv::_OutputArray::create while Performing DFT

CUDA : OpenCV requires enabled 'cudev' module from 'opencv_contrib'

Calibrating camera only for one plane

cuda nppial library not found while opencv compiling opencv-4.2.0

How to convert cv::Mat* to cv::Mat?

Problem with push_back

How can I re-track an object if track(using optical flow) lost?

Tracing opencv functions for remap()

error: ‘imread’ was not declared in this scope

OpenCV-VideoWriter can not write *.mp4 with C++ ?

how to detect discontinuity in object boundaries

Unable to capture 2 recorded video streams simultaneously

How to Get Rect from point

How do I write into YML format and read it with opencv and C++ ?

How to use multiprocessing with OpenCV-C++ ?

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