Questions - OpenCV Q&A Forum

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2016-06-06 09:48:33 -0600 fijoy

Patents in OpenCV

221

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2014-06-30 03:31:39 -0600 Tariq

GPU real-time monitoring in Windows 7

668

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2017-05-19 16:50:55 -0600 third112

MatchTemplate problem for rotated image

matchTemplate

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2017-08-01 12:51:13 -0600 Joshuaalli

Need help with a opencv program written in python

558

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2020-09-05 01:40:37 -0600 hoseinimage

numpy.linalg.inv error

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2015-08-12 13:45:13 -0600 unxnut

OpenCV3: Lnk 2019 errors despite linking all libraries including the numerous libs from staticlib directory

OpenCV3-LNK2019

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2017-12-12 10:47:49 -0600 Steven P. Goldsmith

This encoder requires using the avcodec_send_frame() API

169

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2017-07-10 07:16:32 -0600 Matthieu

How to analyse of data array from an image?

493

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2014-03-13 12:39:42 -0600 Fergu007

Library problems using Eclipse, OpenCV on Mavericks

108

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answers

1

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2015-06-22 23:32:26 -0600 luisruiz

Change number format in output yaml files

yaml
format

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2017-12-18 08:23:28 -0600 zengwood

How to Concatenate Mat objects of different type?

Concatenate

322

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2015-08-19 07:23:47 -0600 LBerger

imread, command line arguments in VS13

deleted

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2016-04-01 04:30:04 -0600 Ankit C

How to convert image to cylindrical shape?

150

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-1

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2020-10-06 08:51:57 -0600 Sue

How can I get just one rgb value in a video from ROI's center

python

440

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answers

1

vote

2013-06-20 06:32:13 -0600 Prasanna

OpenCV AdaBoost - Obtaining Optimal Stage Threshold

233

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2016-06-13 06:29:51 -0600 Lunarix

image proccessing for the first image (CPU and GPU)

258

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2018-02-13 00:50:50 -0600 pharatekomal

cap.get(cv2.CAP_PROP_FPS) gives 0.0 for Sricam IP camera. How to get framerate of any type of video?

cv2.CAP_PROP_FPS

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2013-07-31 13:14:28 -0600 redx

cap_v4l vs cap_libv4l

#opencv

204

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2016-02-04 15:00:03 -0600 bob409

Contour of object not defined properly.

244

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-1

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2015-04-16 10:23:56 -0600 Ironhide526

Hi, I am beginner in OpenCV, so i download it and just for an example copied from the internet Background detection code, and i have only one error

149

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2016-08-29 10:20:58 -0600 che1404

Process image coming from a OpenGL rendering context

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2018-04-22 15:13:09 -0600 RedKnight

How to deal with segmentation fault error in opencv c++?

opencv
c++

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answers

-1

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2018-09-09 12:49:42 -0600 earcz

How to use camera parameters to calculate world distance in cm between pixels?

296

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2017-09-21 21:52:55 -0600 xzx

How to get the timestamp of a frame when using opencv on Android

android

513

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2018-10-07 16:49:06 -0600 GeoSnipes

OpenCV3.4.3, What should the environment variable path be if I have Visual Studio 2017 installed?

1k

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answers

1

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2016-09-05 11:42:42 -0600 keelix

How to access OpenCV data root directory?

directory

428

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2019-06-21 12:01:53 -0600 lylenku

Is it Possible to find value of RGB/HSV after doing edge detection and contouring using OpenCV in Android Studio?

androidStudio

534

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no

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2013-09-03 09:57:41 -0600 berak

FeatherBlender, MultiBandBlender in use

2k

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no

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no

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2019-03-11 10:26:05 -0600 Tuc

Error Const input blob for weights not found in function 'getConstBlob' in function readNetFromTensorFlow

opencv
dnn

1k

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no

answers

no

votes

2016-06-29 14:32:26 -0600 nick3185

12,357 questions

Patents in OpenCV

GPU real-time monitoring in Windows 7

MatchTemplate problem for rotated image

Need help with a opencv program written in python

numpy.linalg.inv error

OpenCV3: Lnk 2019 errors despite linking all libraries including the numerous libs from staticlib directory

This encoder requires using the avcodec_send_frame() API

How to analyse of data array from an image?

Library problems using Eclipse, OpenCV on Mavericks

Change number format in output yaml files

How to Concatenate Mat objects of different type?

imread, command line arguments in VS13

How to convert image to cylindrical shape?

How can I get just one rgb value in a video from ROI's center

OpenCV AdaBoost - Obtaining Optimal Stage Threshold

image proccessing for the first image (CPU and GPU)

cap.get(cv2.CAP_PROP_FPS) gives 0.0 for Sricam IP camera. How to get framerate of any type of video?

cap_v4l vs cap_libv4l

Contour of object not defined properly.

Hi, I am beginner in OpenCV, so i download it and just for an example copied from the internet Background detection code, and i have only one error

Process image coming from a OpenGL rendering context

How to deal with segmentation fault error in opencv c++?

How to use camera parameters to calculate world distance in cm between pixels?

How to get the timestamp of a frame when using opencv on Android

OpenCV3.4.3, What should the environment variable path be if I have Visual Studio 2017 installed?

How to access OpenCV data root directory?

Is it Possible to find value of RGB/HSV after doing edge detection and contouring using OpenCV in Android Studio?

FeatherBlender, MultiBandBlender in use

Error Const input blob for weights not found in function 'getConstBlob' in function readNetFromTensorFlow

Java OpenCV/JavaCV - Unable to read UDP video content

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