Questions - OpenCV Q&A Forum

1k

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6

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1

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2013-09-03 16:13:09 -0600 sinaras

ELSE runs even after IF runs!

5k

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4

answers

1

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

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

568

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4

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no

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2017-01-19 11:08:41 -0600 sarmad

Plotting values from video frames

opencv
c++

7k

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3

answers

2

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2012-07-16 17:55:45 -0600 Thiago Santos

Using Hue and Saturation to calculate Backprojection of an object

6k

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3

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5

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2013-01-01 15:35:06 -0600 SR

Which one is preferred to use? C or C++

4k

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3

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no

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2016-08-11 09:37:52 -0600 Arritmic

Undefined reference to algorithm

4k

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3

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no

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2013-02-06 11:22:37 -0600 karlphillip

OpenCV Bounding Box

26k

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3

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1

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2013-07-01 08:50:52 -0600 lenteken

Calculating the area of Bounding Box

16k

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3

answers

2

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2017-08-13 06:04:54 -0600 NadavB

cvWaitKey is not generating key codes for naviagation keys

11k

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3

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no

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2018-09-27 07:52:51 -0600 wuling

Having trouble with using Mat image in pictureBox of Visual C++ CLR project

#opencv
c++

2k

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3

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no

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2013-10-06 14:25:50 -0600 imalsogreg

After installing OpenCV 2.9.0.0, I can't compile any program, g++ gives errors (e.g g++: error: pthread: No such file or directory). Please help!

7k

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3

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no

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2013-10-07 20:56:10 -0600 ferdna

capture video from my web cam only shows gray.

6k

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3

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2

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2014-02-19 10:22:15 -0600 victusfate

video stabilization

3k

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3

answers

no

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2014-03-31 11:06:56 -0600 Andrey Pavlenko

How to pass a MatOfKeyPoint and MatOfPoint2f to native code? (OpenCV 4 Android)

2k

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3

answers

1

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2016-10-27 03:51:12 -0600 gfx

[Solved] find all the cards that are above and their center

3k

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3

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1

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2015-03-16 08:07:53 -0600 FooBar

How could i detect a color?

2k

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3

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no

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2015-04-28 05:49:39 -0600 essamzaky

IplImage convertion to Mat

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..?

4k

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3

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no

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2015-07-23 21:42:42 -0600 sturkmen

How to write the output image of an Opencv program in an excel sheet

2k

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3

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1

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2015-09-26 03:28:28 -0600 Leo_

Template Matching for Coins

1k

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3

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no

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2017-12-14 02:58:19 -0600 francesco_moz

Access violation when using imwrite to save an imageMat

1k

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3

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1

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2016-03-10 04:26:52 -0600 essamzaky

Fast element access macro in C++ API

3k

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3

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1

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2019-09-27 23:58:09 -0600 kdupreez

OpenCV CUDA - method that works like inRange()

326

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3

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1

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2017-10-12 08:22:28 -0600 mshabunin

completing characters to get their contour

17k

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3

answers

1

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2018-02-21 09:40:31 -0600 rdg65

C++ openCV waitKey(0) not working?

opencv
c++

2k

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3

answers

3

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2018-05-23 09:55:00 -0600 faysal

LBF Facemark Tutorial Issue

7k

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2

answers

2

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2016-03-05 03:36:21 -0600 zshn25

How to reduce false positives for face detection

1k

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2

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no

votes

2012-07-18 16:20:12 -0600 allissaid

Problems with class cv::FaceRecognizer under Windows 7 64 bit and VS2010

10k

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2

answers

1

vote

2012-10-09 18:31:33 -0600 etmmx

SegFault in OpenCV 2.4.2 and MinGW on WinXP

20k

views

2

answers

3

votes

2012-07-12 22:40:21 -0600 Niu ZhiHeng

How to add 2 Mat objects of different type?

c++
Mat

2,575 questions

ELSE runs even after IF runs!

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

Plotting values from video frames

Using Hue and Saturation to calculate Backprojection of an object

Which one is preferred to use? C or C++

Undefined reference to algorithm

OpenCV Bounding Box

Calculating the area of Bounding Box

cvWaitKey is not generating key codes for naviagation keys

Having trouble with using Mat image in pictureBox of Visual C++ CLR project

After installing OpenCV 2.9.0.0, I can't compile any program, g++ gives errors (e.g g++: error: pthread: No such file or directory). Please help!

capture video from my web cam only shows gray.

video stabilization

How to pass a MatOfKeyPoint and MatOfPoint2f to native code? (OpenCV 4 Android)

[Solved] find all the cards that are above and their center

How could i detect a color?

IplImage convertion to Mat

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

How to write the output image of an Opencv program in an excel sheet

Template Matching for Coins

Access violation when using imwrite to save an imageMat

Fast element access macro in C++ API

OpenCV CUDA - method that works like inRange()

completing characters to get their contour

C++ openCV waitKey(0) not working?

LBF Facemark Tutorial Issue

How to reduce false positives for face detection

Problems with class cv::FaceRecognizer under Windows 7 64 bit and VS2010

SegFault in OpenCV 2.4.2 and MinGW on WinXP

How to add 2 Mat objects of different type?

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