Questions - OpenCV Q&A Forum

740

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no

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no

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2018-07-09 15:30:11 -0600 jmaye

reprojectImageTo3D coordinate system

stereo

280

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no

answers

no

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2017-06-09 13:35:58 -0600 eviscito

KITTI optical flow and disparity read and write

1k

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2018-01-27 06:56:25 -0600 Toyas

Trouble in getting 60 fps using webcam(Logitech c922 pro stream)

328

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2013-03-21 08:59:38 -0600 AGMark

Making OpenCV more Pythonic?

1k

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2020-07-03 14:33:16 -0600 Sara Ahmed

OpenCV Decompose projection matrix outputs

2k

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5

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2017-01-10 10:18:38 -0600 Fnoop

Interactive calibration frame rejected

186

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2018-07-02 13:56:54 -0600 Alan Darko

I want to compare color histograms of images using chi squared test.

478

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2020-09-25 09:20:12 -0600 Leonardo_ads

imencode not working with ".jpg" extension (Access violation reading location)

imencode

150

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2017-06-08 13:02:31 -0600 jcrist

Guide on adding new types of parameters to opencv java wrappers

881

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1

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2013-05-04 07:40:49 -0600 utkarshmankad

POSE estimation in OpenCv Java using cvFindExtrinsicsCameraParams2

148

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2014-08-31 08:59:43 -0600 konstunn

Representating 2-D array of doubles by putting in Mat and displaying.

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2013-06-26 04:04:25 -0600 VoidMee

How to detecting multiple objects

2k

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1

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2016-05-17 06:32:23 -0600 dmen

Faster than simple blob detector?

blob-detection

836

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2014-01-21 02:27:36 -0600 StevenPuttemans

Video streaming with opencv 2.4.7 on visual studio 2010

1k

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-1

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2020-10-23 02:07:56 -0600 Tehseen

How to find the location of a point in an image in millimeters using camera matrix?

124

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2014-03-04 14:43:33 -0600 alcar77

Image compare for LCD 20x4 test.

Imgcompare

2k

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2017-07-07 03:49:20 -0600 gaspare

Read a named pipe in opencv

1k

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

Resizing a bounding box opencv c++?

c++opencv

743

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2013-12-15 12:23:49 -0600 Adam Pash

Converting pixel data from JavaScript to OpenCV's Mat

172

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2018-08-14 14:32:05 -0600 onlybob

Image criteria for barrel distortion calibration

70

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2017-08-05 16:40:02 -0600 Tapete

colour detection and cam output at the same time

506

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1

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2016-03-11 12:36:53 -0600 mihirranadive

camera preview from opencv shows bad/incorrect image. using javacameraview

1k

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1

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2019-09-26 03:37:00 -0600 aditya_mangalampalli

Performance of OpenCV DNN vs Tensorflow Lite

460

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answers

1

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2019-04-30 02:55:20 -0600 LuisK

Rect_<int> and Rect_<float> in image coord system.

128

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2016-08-20 06:10:35 -0600 Sayugo

Features2D return TRUE if 2 Mat are matches

221

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2016-04-15 10:32:06 -0600 Aj-611

how to use opencv3.1 with matlab 2015a

Matlab

3k

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2014-05-25 04:15:31 -0600 vishnus

Unable to install OpenCV 2.4.9 on Ubuntu 14.04

125

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2018-05-06 13:42:41 -0600 kbnewocv

Video stabilization

5k

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answers

1

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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

3k

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no

answers

2

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2013-12-03 16:44:53 -0600 Dave Employed

12,357 questions

reprojectImageTo3D coordinate system

KITTI optical flow and disparity read and write

Trouble in getting 60 fps using webcam(Logitech c922 pro stream)

Making OpenCV more Pythonic?

OpenCV Decompose projection matrix outputs

Interactive calibration frame rejected

I want to compare color histograms of images using chi squared test.

imencode not working with ".jpg" extension (Access violation reading location)

Guide on adding new types of parameters to opencv java wrappers

POSE estimation in OpenCv Java using cvFindExtrinsicsCameraParams2

Representating 2-D array of doubles by putting in Mat and displaying.

How to detecting multiple objects

Faster than simple blob detector?

Video streaming with opencv 2.4.7 on visual studio 2010

How to find the location of a point in an image in millimeters using camera matrix?

Image compare for LCD 20x4 test.

Read a named pipe in opencv

Resizing a bounding box opencv c++?

Converting pixel data from JavaScript to OpenCV's Mat

Image criteria for barrel distortion calibration

colour detection and cam output at the same time

camera preview from opencv shows bad/incorrect image. using javacameraview

Performance of OpenCV DNN vs Tensorflow Lite

Rect_<int> and Rect_<float> in image coord system.

Features2D return TRUE if 2 Mat are matches

how to use opencv3.1 with matlab 2015a

Unable to install OpenCV 2.4.9 on Ubuntu 14.04

Video stabilization

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

The matrix is not continuous... got an error when executing face recognition from video

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