Questions - OpenCV Q&A Forum

138

views

no

answers

no

votes

2016-07-29 04:20:26 -0600 astronaut

How do I find an object in image/video knowing its real physical dimension?

4k

views

no

answers

1

vote

2016-08-02 06:14:55 -0600 avpai

counting the number of child contours inside a contour in opencv

139

views

no

answers

no

votes

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

Process image coming from a OpenGL rendering context

9k

views

2

answers

no

votes

2016-09-14 18:17:07 -0600 sturkmen

Cropping a face and removing the background?

898

views

1

answer

no

votes

2016-09-28 01:37:26 -0600 berak

How to convert SFML image to OpenCV Mat in c++?

221

views

no

answers

no

votes

2016-11-14 01:52:35 -0600 Saghir Khatri

VideoCapture result in distorted lines in image [closed]

5k

views

no

answers

1

vote

2016-12-13 00:43:56 -0600 joseph3010

OpenCV Error: Assertion failed (channels () == CV_MAT_CN (dtype)) in copyTo, file /home/tau/opencv/opencv-3.1.0/modules/core/src/copy.cpp, line 257

5k

views

1

answer

no

votes

2017-02-02 05:59:30 -0600 pklab

How to get to inside contour in c++,opencv

723

views

1

answer

no

votes

2017-02-27 01:41:25 -0600 pi-null-mezon

Neural Network for Image Recognition in C++/OpenCv

76

views

no

answers

no

votes

2017-03-24 18:29:52 -0600 AZH0209

calculate the number of colors inside one image

291

views

1

answer

-1

votes

2017-05-24 08:19:17 -0600 LBerger

How is the EMDL1() function different from EMD() function in OpenCV?

101

views

no

answers

no

votes

2017-05-24 23:44:45 -0600 lohachan0108

How can I use the NormHistogramCostExtractor class? What function do I need to call to extract the cost? What are the arguments to be passed ?

238

views

no

answers

no

votes

2017-10-05 05:08:48 -0600 berak

compareHist is returning very low value incase of Bhattacharyya method

2k

views

1

answer

1

vote

2017-11-28 16:04:23 -0600 sjhalayka

how can i load 4d medical image of type nifti?

1k

views

1

answer

no

votes

2018-01-29 03:10:03 -0600 Balaji R

Converting RGB into LMS model using C++ and OpenCV

2k

views

1

answer

no

votes

2018-01-29 03:16:46 -0600 LBerger

Store calculation result from RGB in Vec3b into new matrix instead of Mat Object

9k

views

1

answer

no

votes

2018-02-01 18:27:28 -0600 mike_perreman

How to use cuda::cvtColor?

1k

views

1

answer

no

votes

2018-03-27 04:56:47 -0600 Anas Iqbal

Separate Color regions using Open CV [closed]

1k

views

1

answer

no

votes

2018-03-15 13:46:43 -0600 berak

Make 32x32 sections on an image in C++ OpenCV?

4k

views

no

answers

-1

votes

2018-03-27 04:43:06 -0600 Anas Iqbal

Apply Anti-Aliasing to an image

1k

views

1

answer

no

votes

2018-06-08 03:44:14 -0600 Pzixel

How to search for near identical images?

160

views

no

answers

no

votes

2018-10-11 21:40:59 -0600 Anurag

Tackle low FPS for correlation code to compute shift in Image

274

views

no

answers

-1

votes

2019-03-25 23:35:33 -0600 Arnab190201

Code for crack detection on tracks

356

views

no

answers

no

votes

2019-07-13 06:11:35 -0600 Kitnos

Classification method invariante to rotation and machine learning

2k

views

no

answers

no

votes

2019-08-12 08:01:54 -0600 nameofuser1

Template matching with zero mean normalized cross-correlation

659

views

no

answers

no

votes

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

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

362

views

no

answers

no

votes

2020-03-03 09:24:58 -0600 eLtronicsvilla

optical flow orientation and magnitude based background and foreground segmentation

577

views

no

answers

no

votes

2020-06-09 04:32:51 -0600 samkro

58 questions

How do I find an object in image/video knowing its real physical dimension?

counting the number of child contours inside a contour in opencv

Process image coming from a OpenGL rendering context

Cropping a face and removing the background?

How to convert SFML image to OpenCV Mat in c++?

VideoCapture result in distorted lines in image [closed]

OpenCV Error: Assertion failed (channels () == CV_MAT_CN (dtype)) in copyTo, file /home/tau/opencv/opencv-3.1.0/modules/core/src/copy.cpp, line 257

How to get to inside contour in c++,opencv

Neural Network for Image Recognition in C++/OpenCv

calculate the number of colors inside one image

How is the EMDL1() function different from EMD() function in OpenCV?

How can I use the NormHistogramCostExtractor class? What function do I need to call to extract the cost? What are the arguments to be passed ?

compareHist is returning very low value incase of Bhattacharyya method

how can i load 4d medical image of type nifti?

Converting RGB into LMS model using C++ and OpenCV

Store calculation result from RGB in Vec3b into new matrix instead of Mat Object

How to use cuda::cvtColor?

Separate Color regions using Open CV [closed]

Make 32x32 sections on an image in C++ OpenCV?

Apply Anti-Aliasing to an image

How to search for near identical images?

Tackle low FPS for correlation code to compute shift in Image

Code for crack detection on tracks

Classification method invariante to rotation and machine learning

Template matching with zero mean normalized cross-correlation

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

optical flow orientation and magnitude based background and foreground segmentation

Split a cv::mat into submats based on each containing a contour

Links

Contributors

Tags