Questions - OpenCV Q&A Forum

343

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no

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no

votes

2014-09-25 13:30:47 -0600 SumitM

coordinate system type

518

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no

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no

votes

2017-01-22 01:47:01 -0600 danielbr

Unable to create DescriptorMatcher in openCV 3.2 - Android

Opencv3.0

228

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no

answers

no

votes

2018-09-14 11:37:39 -0600 danieltak

Draw lines on a field

houghlinesp

468

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no

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no

votes

2017-07-26 05:43:32 -0600 Dexter2653

Build OpenCV with FFMpeg for iOS

ios
ffmpeg

89

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no

answers

no

votes

2016-06-23 04:18:25 -0600 RohanS

I am doing camera calibration and the camera matrix i get has a huge value of camera constant(10^4).Is this normal??.

calibrateCamera

543

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no

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no

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2018-11-18 13:46:13 -0600 LBerger

Python binding stitcher class

pythonbinding

1k

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no

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2018-09-17 13:15:11 -0600 Honk5000

Problem with Intel Realsense SDK 2.0 and cv::cvtColor

99

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no

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2015-04-05 20:24:15 -0600 zhangkai

generate 3d models automatically based on the vertexs

3d
points3d

279

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no

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2018-06-12 02:58:09 -0600 gaber

when i use sfm::reconstruct to extract the point cloud out of set of images it gives faulty 3D points (i already calibrated my camera and found the camera matrix) could the images be the problem and if so what should be done ?

3dreconstruction

113

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2015-07-28 04:38:34 -0600 elp14sma

haarcascade face detection for loop

c++
opencv

312

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no

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2017-10-03 04:45:22 -0600 LowClue

Track ring pull Python

98

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2018-08-04 18:10:05 -0600 m7ammad7assan

Images registration for low resulation highway images

662

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no

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2015-07-06 16:08:08 -0600 amanieux

ocv3 ocl gpu acceleration on android ?

184

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votes

2015-04-28 22:26:26 -0600 Carrot_Luobo

How to solve the error "Expression:vector subscript out of range" when using train_classifierNM2.cpp

77

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no

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2016-04-25 11:46:44 -0600 ggmethos

What to do about obselete getMat call in facial recognition tutorial?

facial_recognition

1k

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no

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2019-09-11 08:09:03 -0600 SagRU

Is it possible to immediately reduce memory usage by deleting variables?

memory_allocation

751

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no

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2019-04-14 18:42:08 -0600 guestimator

OpenCV 4.1.0 import to AndroidStudio

269

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2016-10-06 00:56:24 -0600 lm35

Opencv 2.4.9 or Opencv 3.0 for GPU acclerated CUDA

764

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no

answers

no

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2014-05-10 10:12:35 -0600 wuling

TBB cvtColor memory leaks

139

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no

answers

1

vote

2014-06-25 11:09:45 -0600 MRDaniel

OpenCL and GPU Functionality

opencl
gpu

482

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no

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2020-08-04 08:52:59 -0600 ShrutheeshIR

AruCo improve tracking a single marker

aruco

289

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no

votes

2020-05-01 10:16:55 -0600 berak

Issue running mingw32-make in build folder

190

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no

answers

-1

votes

2020-11-11 11:37:22 -0600 SA_2020

ai that analyses live video footage and can calculates the distance between 2 or more people

analysis

198

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no

answers

no

votes

2019-07-15 09:08:31 -0600 fzyzcjy

OpenCV 4.0 Android (NDK) With NEON: Why And Why Not?

221

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no

votes

2019-10-14 13:06:41 -0600 just2read

ccalib, Multi Camera Calibration allways to few points

534

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2020-05-05 16:09:55 -0600 Cătălina Sîrbu

How to avoid contours of different shapes to combine

628

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no

answers

1

vote

2015-10-18 09:48:27 -0600 LBerger

initundistortrectifymap line 103 and 137 what is going on?

1k

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no

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no

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2015-10-04 12:41:37 -0600 TyN101

Access violation when opening OpenCV VideoCapture (release only)

442

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no

answers

no

votes

2017-04-11 11:00:39 -0600 lovaj

Why my dense descriptor has bad performance?

254

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no

answers

no

votes

2015-11-30 05:21:58 -0600 czc080

Cant display the image after applyting exposed elbp function in python

createLBPH

12,357 questions

coordinate system type

Unable to create DescriptorMatcher in openCV 3.2 - Android

Draw lines on a field

Build OpenCV with FFMpeg for iOS

I am doing camera calibration and the camera matrix i get has a huge value of camera constant(10^4).Is this normal??.

Python binding stitcher class

Problem with Intel Realsense SDK 2.0 and cv::cvtColor

generate 3d models automatically based on the vertexs

when i use sfm::reconstruct to extract the point cloud out of set of images it gives faulty 3D points (i already calibrated my camera and found the camera matrix) could the images be the problem and if so what should be done ?

haarcascade face detection for loop

Track ring pull Python

Images registration for low resulation highway images

ocv3 ocl gpu acceleration on android ?

How to solve the error "Expression:vector subscript out of range" when using train_classifierNM2.cpp

What to do about obselete getMat call in facial recognition tutorial?

Is it possible to immediately reduce memory usage by deleting variables?

OpenCV 4.1.0 import to AndroidStudio

Opencv 2.4.9 or Opencv 3.0 for GPU acclerated CUDA

TBB cvtColor memory leaks

OpenCL and GPU Functionality

AruCo improve tracking a single marker

Issue running mingw32-make in build folder

ai that analyses live video footage and can calculates the distance between 2 or more people

OpenCV 4.0 Android (NDK) With NEON: Why And Why Not?

ccalib, Multi Camera Calibration allways to few points

How to avoid contours of different shapes to combine

initundistortrectifymap line 103 and 137 what is going on?

Access violation when opening OpenCV VideoCapture (release only)

Why my dense descriptor has bad performance?

Cant display the image after applyting exposed elbp function in python

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