Questions - OpenCV Q&A Forum

550

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2

answers

no

votes

2019-12-29 13:55:02 -0600 bwvb

Just linking to opencv ruins thread-concurrency!?

3k

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no

answers

no

votes

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

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

160

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no

answers

no

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

Get video input when device not on uvc input

159

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no

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no

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

How to install OpenCV 32bit on Win64 machine

222

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no

answers

1

vote

2019-12-12 13:53:53 -0600 exbigboss

cv::findContours doesn't append to the OutputArrayOfArrays [closed]

89

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no

answers

no

votes

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

How to associate a color value to a number?

c++
opencv

15k

views

3

answers

2

votes

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

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

1k

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1

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no

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

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

85

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no

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-1

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2019-12-09 04:35:14 -0600 it_master

How to associate a Mat color value to an int/float value?

c++

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

354

views

1

answer

no

votes

2019-12-05 12:11:35 -0600 mvuori

Mat ctor produces heap error?!?

65

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no

answers

no

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2019-12-04 17:00:31 -0600 sjlee

How to use recolor effect in Excel with opencv [closed]

c++

1k

views

1

answer

-1

votes

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

How to find circles in an image

c++
opencv

395

views

no

answers

no

votes

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

276

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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]

1k

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no

answers

no

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2019-12-01 10:08:40 -0600 J.Han

Using OpenCV dnn module as dll, Net::forward() error

484

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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>

443

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no

answers

no

votes

2019-11-30 11:19:34 -0600 Kitnos

Knn for keypoints and descriptors of SIFT

807

views

1

answer

no

votes

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

Save image using callBack Function

312

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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 ?

906

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1

answer

1

vote

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

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

1k

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no

answers

no

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2019-11-27 10:44:59 -0600 Kitnos

Camera pose estimation with QR code by 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

196

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no

answers

no

votes

2019-11-26 04:49:00 -0600 Kitnos

Real time video problem [closed]

224

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no

answers

no

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2019-11-25 15:09:11 -0600 bananapen

Generate Opticalflow on images using OpenCV

2k

views

1

answer

1

vote

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

How to save image data in shared pointer

c++
opencv

1k

views

1

answer

no

votes

2019-11-23 02:07:12 -0600 Akhil Patel

Android Studio how integrate NDK with Opencv

1k

views

2

answers

-1

votes

2019-11-21 08:40:45 -0600 Gilal Nauman

I have the codes for live video and finding contours separately.I would like to know how both the codes can be stitched together to find contours in a live video

opencv
c++

190

views

1

answer

no

votes

2019-11-20 06:56:30 -0600 berak

How to write this kmeans python code in c++?

c++
python

601

views

no

answers

no

votes

2019-11-19 11:13:41 -0600 zakaziko

Extract object and save it as an image.png using c++

c++
opencv

2,575 questions

Just linking to opencv ruins thread-concurrency!?

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

Get video input when device not on uvc input

How to install OpenCV 32bit on Win64 machine

cv::findContours doesn't append to the OutputArrayOfArrays [closed]

How to associate a color value to a number?

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

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

How to associate a Mat color value to an int/float value?

Finding Dominant colors in an image in c++

Mat ctor produces heap error?!?

How to use recolor effect in Excel with opencv [closed]

How to find circles in an image

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

Problem displaying rectangle in a callBack function [closed]

Using OpenCV dnn module as dll, Net::forward() error

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

Knn for keypoints and descriptors of SIFT

Save image using callBack Function

How to use dnn as a detector for facemark ?

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

Camera pose estimation with QR code by Opencv

Detect valve position without colors on a video

Real time video problem [closed]

Generate Opticalflow on images using OpenCV

How to save image data in shared pointer

Android Studio how integrate NDK with Opencv

I have the codes for live video and finding contours separately.I would like to know how both the codes can be stitched together to find contours in a live video

How to write this kmeans python code in c++?

Extract object and save it as an image.png using c++

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