Questions - OpenCV Q&A Forum

983

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2019-10-23 07:35:11 -0600 saurabh162

Why "findChessboardCorners" function is returning false

1k

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2019-10-23 08:11:16 -0600 Kitnos

Snake active contour algorithm with C++ and Opencv 4 [closed]

1k

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2019-10-25 07:19:01 -0600 Dimitar Veljanovski

SIFT detectAndCompute works but throws an error

284

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2019-10-26 06:00:35 -0600 Shishigami

Issue writing Mat3b to GStreamer UDP sink

338

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no

answers

no

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2019-10-31 06:07:52 -0600 Kitnos

SIFT between 1 image and dataset (2 images)

160

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no

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no

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2019-11-02 17:23:27 -0600 FelipeVW

Drag Points in a Rotated Rectangle with highgui opencv

c++
highgui

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no

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2019-11-05 09:27:04 -0600 faheyon007

Image Not Loading In OpenCV 4.x.x

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1

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2019-11-05 11:50:58 -0600 Soumya

How to write a vector<cv::Mat> to a single file? [closed]

229

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2019-11-07 04:35:53 -0600 constantine

How to set up cmake to enable dynamic and static builds?

554

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2019-11-08 08:08:20 -0600 Dimitar Veljanovski

Debug Assertion Error when detecting object and scene points in OpenCV

c++
opencv

123

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no

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no

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2019-11-08 08:48:23 -0600 saurabh162

Could not find ChessboardCorners in following picture

opencv
c++

440

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no

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2019-11-13 22:01:41 -0600 patrick129

Change camera resolution in C++?

c++
opencv

2k

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2019-11-16 15:35:56 -0600 [email protected]

Rotate by warpPerspective after getPerspectiveTransform by 4 points in C++

c++
opencv

462

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no

answers

no

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2019-11-19 09:36:21 -0600 TheEMcoder

findChessboardCorners() gives False in OpenCV 4.1.2 C++

610

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no

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

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

c++
opencv

1k

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no

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no

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

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

224

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

Generate Opticalflow on images using OpenCV

196

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no

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

Real time video problem [closed]

1k

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

Camera pose estimation with QR code by Opencv

314

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answers

2

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2019-11-28 10:27:13 -0600 Elis4

How to use dnn as a detector for facemark ?

445

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

Knn for keypoints and descriptors of SIFT

486

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no

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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>

277

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no

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2019-12-02 08:16:50 -0600 Kitnos

Problem displaying rectangle in a callBack function [closed]

396

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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

65

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

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

c++

85

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no

answers

-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++

89

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no

answers

no

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

How to associate a color value to a number?

c++
opencv

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]

160

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

How to install OpenCV 32bit on Win64 machine

160

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no

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

2,575 questions

Why "findChessboardCorners" function is returning false

Snake active contour algorithm with C++ and Opencv 4 [closed]

SIFT detectAndCompute works but throws an error

Issue writing Mat3b to GStreamer UDP sink

SIFT between 1 image and dataset (2 images)

Drag Points in a Rotated Rectangle with highgui opencv

Image Not Loading In OpenCV 4.x.x

How to write a vector<cv::Mat> to a single file? [closed]

How to set up cmake to enable dynamic and static builds?

Debug Assertion Error when detecting object and scene points in OpenCV

Could not find ChessboardCorners in following picture

Change camera resolution in C++?

Rotate by warpPerspective after getPerspectiveTransform by 4 points in C++

findChessboardCorners() gives False in OpenCV 4.1.2 C++

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

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

Generate Opticalflow on images using OpenCV

Real time video problem [closed]

Camera pose estimation with QR code by Opencv

How to use dnn as a detector for facemark ?

Knn for keypoints and descriptors of SIFT

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

Problem displaying rectangle in a callBack function [closed]

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

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

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

How to associate a color value to a number?

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

How to install OpenCV 32bit on Win64 machine

Get video input when device not on uvc input

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