Questions - OpenCV Q&A Forum

461

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no

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-1

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2016-02-28 14:00:19 -0600 sam001

Where can i get a sample video of an abandoned bag in a video frame?

c++opencv

352

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-1

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2017-03-24 14:22:07 -0600 berak

Hi,I am getting this error Program1.cpp|| undefined reference to `cv::face::FaceRecognizer::predict(cv::_InputArray const&) const'|

c++opencv

230

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1

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-1

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2017-06-16 20:07:09 -0600 berak

I am trying to run this simple OpenCV program, but i got this error:

c++opencv

1k

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2017-11-08 20:59:07 -0600 SJ24

Unable to output gray scale video using opencv on beaglebone black

3k

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-1

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2018-03-23 05:11:34 -0600 DS Itachi

Measuring the size of object in C++ using OpenCV

c++opencv

78

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-1

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2018-09-19 03:58:57 -0600 praveen1100

Ptr<FaceRecognizer> model = EigenFaceRecognizer_create(); [closed]

c++opencv

209

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-1

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2019-10-25 00:56:42 -0600 berak

How to rotate image in my camera's video? [closed]

c++opencv

881

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1

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2013-10-01 15:43:43 -0600 FLY

How to use BOW file for testing

2k

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2

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2015-01-06 06:23:34 -0600 StevenPuttemans

How can I write numbers inside the detected circles on the image when using Hough Circle Transform?

353

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2015-01-08 06:17:27 -0600 FooBar

this is lead to memory leak?

192

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2015-04-10 17:54:47 -0600 Abu Gaseem

I cannot load my training descriptors in memory [closed]

346

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2015-07-10 14:59:52 -0600 LBerger

OpenCL Errors in the Console when using Stitcher OpenGL 3

679

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2015-07-10 00:15:12 -0600 RMKDELTA

Memory leak while using Mat [closed]

274

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2015-07-22 04:22:11 -0600 robotPhenix

link opencv with cmusphnix and work in visual studio 2013

664

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2015-07-28 04:35:47 -0600 thdrksdfthmn

Load cv triangulate points()

202

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2015-08-02 20:06:52 -0600 cad4

opencv .cpp, .hpp

c++opencv

549

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1

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2015-08-10 07:40:57 -0600 LBerger

Image Stitching parameters seem that there is no one can explain it, please help us to understand it.

171

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2015-09-22 03:14:58 -0600 thdrksdfthmn

visual studio express 2013 on win 8.1

217

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2015-10-15 02:46:50 -0600 Ravishu jain

how to calculate euclidean distance in image pixels from a specific point in OpenCV C++?

c++opencv

811

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2015-11-19 07:17:40 -0600 JohnNike36

Extract facial landmarks point from UIImage using open cv in iOS xcode

178

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2

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2015-12-06 18:02:23 -0600 Radoslav173

Installation OpenCV in Windows 8.1 with Visual 2015

c++opencv

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2016-01-04 05:59:01 -0600 Lokki

How to take a screenshot of the screen? [closed]

119

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2016-01-27 06:34:36 -0600 mysticvision

How do I estimate the radial distortion parameters for a given image?

114

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2016-02-10 05:10:17 -0600 anupama

How to segment an image into three parts using openCV 2.0 in DEV C++ 4.9.9.2

c++opencv

7k

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2

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2016-02-27 22:24:36 -0600 Guyygarty

Intersection of a contour and line in OpenCV c++?

c++opencv

143

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2016-02-29 09:32:27 -0600 kbarni

Unable to load my first opencv file

c++opencv

684

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2016-03-08 05:56:42 -0600 mayibongz

When i run my program in Qt i get this error "gtk_disable_setlocale() must be called before gtk_init()" ,however i have no idea how to solve it

1k

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2016-03-18 15:40:21 -0600 sam001

Resizing a bounding box opencv c++?

c++opencv

126

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2016-03-31 15:32:15 -0600 Tetragramm

How can I add more selections to track at the same time?

426

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2016-04-07 20:49:13 -0600 Rmmal

104 questions

Where can i get a sample video of an abandoned bag in a video frame?

Hi,I am getting this error Program1.cpp|| undefined reference to `cv::face::FaceRecognizer::predict(cv::_InputArray const&) const'|

I am trying to run this simple OpenCV program, but i got this error:

Unable to output gray scale video using opencv on beaglebone black

Measuring the size of object in C++ using OpenCV

Ptr<FaceRecognizer> model = EigenFaceRecognizer_create(); [closed]

How to rotate image in my camera's video? [closed]

How to use BOW file for testing

How can I write numbers inside the detected circles on the image when using Hough Circle Transform?

this is lead to memory leak?

I cannot load my training descriptors in memory [closed]

OpenCL Errors in the Console when using Stitcher OpenGL 3

Memory leak while using Mat [closed]

link opencv with cmusphnix and work in visual studio 2013

Load cv triangulate points()

opencv .cpp, .hpp

Image Stitching parameters seem that there is no one can explain it, please help us to understand it.

visual studio express 2013 on win 8.1

how to calculate euclidean distance in image pixels from a specific point in OpenCV C++?

Extract facial landmarks point from UIImage using open cv in iOS xcode

Installation OpenCV in Windows 8.1 with Visual 2015

How to take a screenshot of the screen? [closed]

How do I estimate the radial distortion parameters for a given image?

How to segment an image into three parts using openCV 2.0 in DEV C++ 4.9.9.2

Intersection of a contour and line in OpenCV c++?

Unable to load my first opencv file

When i run my program in Qt i get this error "gtk_disable_setlocale() must be called before gtk_init()" ,however i have no idea how to solve it

Resizing a bounding box opencv c++?

How can I add more selections to track at the same time?

Problem with setting width and height of webcam

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