Questions - OpenCV Q&A Forum

978

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1

answer

no

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2015-03-03 16:23:41 -0600 SARGE553413

Problem adding function to OpenCV4Android: UnsatisfiedLinkError

1k

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1

answer

no

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2015-04-07 07:10:01 -0600 berak

include file for updateMotionHistory opencv-3.0-dev

opticalflow

1k

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1

answer

3

votes

2013-05-24 01:26:36 -0600 atasoyh

how can I build and use only highgui-imgproc-core modules on Android?

5k

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1

answer

no

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2020-01-06 06:52:43 -0600 cudawarped

openCV 4.2 with CUDA 10.2

2k

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1

answer

no

votes

2013-11-04 20:45:35 -0600 KonradZuse

Java face detection example produces 0 faces

3k

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1

answer

1

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2015-11-18 11:31:13 -0600 Rival

How to obtain Alpha from cv::mat (For wxWidgets::wxImage)

264

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1

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no

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2018-12-21 04:14:54 -0600 neoliv

Detect screen zone with text?

2k

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1

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1

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2013-10-14 04:44:21 -0600 StevenPuttemans

Create_samples, compiling with static libraries, linker error in highgui module, createToolBarEx

2k

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1

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no

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2017-03-09 03:29:44 -0600 marcogovo

Errors in detectMultiScale() for face detection

15k

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1

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no

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2014-11-03 20:31:05 -0600 alealv

cmake linking error OpenCV_FOUND to FALSE UBUNTU 13.04

1k

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1

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2

votes

2017-01-16 20:10:00 -0600 Tetragramm

What's the best approach to detect an inclined plane (wheelchair ramp) in a picture?

4k

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1

answer

1

vote

2018-09-04 09:11:41 -0600 danieltak

Build OpenCV and PCL with Cmake

687

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1

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no

votes

2020-03-13 05:27:47 -0600 berak

How to compile Opencv 3.4.1 program in VS 2019 with Opencv 4.1.1?

c++
opencv

4k

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1

answer

1

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2013-07-26 04:00:59 -0600 StevenPuttemans

Compiling errors in header files

3k

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1

answer

no

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2014-06-14 16:53:43 -0600 bravouuu

Error building openCV 2.4.9 library not found for -lopencv_cudev

python
cmake

784

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1

answer

no

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2020-04-28 10:35:54 -0600 berak

order of -lopencv_core -lopencv_highgui -lopencv_photo -lopencv_videoio -lopencv_imgproc -lopencv_calib3

746

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1

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no

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2014-06-06 06:26:55 -0600 StevenPuttemans

OpenCV for Windows without CUDA

901

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1

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no

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2020-06-18 08:37:22 -0600 gus

Compilation errors with g++-8 for OpenCV 4.3.0 with opencv_contrib (xfeatures2d namespace conflict)

672

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1

answer

1

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2013-07-31 01:09:26 -0600 AlexanderShishkov

I use cmake cross compile opencv2.4.6 in IOS,but is very big

4k

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1

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no

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2018-09-16 22:29:14 -0600 okieiam

OpenCv Manager App not on Playstore

5k

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1

answer

no

votes

2018-08-18 20:25:36 -0600 Pehr

Installation Problem: "can't find dependent libraries"

626

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1

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no

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2016-02-18 11:37:05 -0600 rookie

Build fails with CMake on OSX El Capitan

1k

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1

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no

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2016-04-23 11:14:04 -0600 Giorgos_ts

Optical flow based Obstacle Avoidance

opencv
c++

689

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1

answer

no

votes

2017-02-18 08:37:44 -0600 sisi004

Error with multiband_blend.cu, compiling Opencv 3.2.0 on Ubuntu 15.10, with CUDA 7.5

1k

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1

answer

1

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2013-10-18 02:42:44 -0600 zulfiqar

need help with load and display image with opencv

deleted

1k

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1

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no

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2020-04-16 23:53:46 -0600 zelda

opencv 4.3 compiling problems on windows

opencv

292

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1

answer

1

vote

2015-06-22 00:39:31 -0600 Oliv

How to enable CV_DbgAssert on Android

245

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1

answer

1

vote

2013-03-21 10:32:10 -0600 clattenb

OpenCV Libs Cause Bad_Alloc on CARMA

CARMA
std

193

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1

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no

votes

2016-01-29 08:58:26 -0600 berak

May I install 2 versions of OpenCV on Ubuntu?

dualversion

870

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1

answer

no

votes

2016-06-01 11:37:19 -0600 berak

574 questions

Problem adding function to OpenCV4Android: UnsatisfiedLinkError

include file for updateMotionHistory opencv-3.0-dev

how can I build and use only highgui-imgproc-core modules on Android?

openCV 4.2 with CUDA 10.2

Java face detection example produces 0 faces

How to obtain Alpha from cv::mat (For wxWidgets::wxImage)

Detect screen zone with text?

Create_samples, compiling with static libraries, linker error in highgui module, createToolBarEx

Errors in detectMultiScale() for face detection

cmake linking error OpenCV_FOUND to FALSE UBUNTU 13.04

What's the best approach to detect an inclined plane (wheelchair ramp) in a picture?

Build OpenCV and PCL with Cmake

How to compile Opencv 3.4.1 program in VS 2019 with Opencv 4.1.1?

Compiling errors in header files

Error building openCV 2.4.9 library not found for -lopencv_cudev

order of -lopencv_core -lopencv_highgui -lopencv_photo -lopencv_videoio -lopencv_imgproc -lopencv_calib3

OpenCV for Windows without CUDA

Compilation errors with g++-8 for OpenCV 4.3.0 with opencv_contrib (xfeatures2d namespace conflict)

I use cmake cross compile opencv2.4.6 in IOS,but is very big

OpenCv Manager App not on Playstore

Installation Problem: "can't find dependent libraries"

Build fails with CMake on OSX El Capitan

Optical flow based Obstacle Avoidance

Error with multiband_blend.cu, compiling Opencv 3.2.0 on Ubuntu 15.10, with CUDA 7.5

need help with load and display image with opencv

opencv 4.3 compiling problems on windows

How to enable CV_DbgAssert on Android

OpenCV Libs Cause Bad_Alloc on CARMA

May I install 2 versions of OpenCV on Ubuntu?

AttributeError: 'module' object has no attribute 'face' OS X

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