Questions - OpenCV Q&A Forum

875

views

1

answer

no

votes

2017-06-26 23:47:13 -0600 berak

cv::setMouseCallBack does not work on MacOS

MacOSX

2k

views

1

answer

no

votes

2014-05-24 02:16:08 -0600 berak

does any one has a uniform lbp c++ code with it's spatial histogram

c++
LBP

1k

views

1

answer

no

votes

2015-11-25 14:18:27 -0600 beniroquai

Segfault in convertTo Android OpenCV 2.4.x->3.0

836

views

1

answer

no

votes

2019-01-06 02:36:45 -0600 berak

unsovled externals errors occur when running detect_markers.cpp [closed]

c++
aruco

178

views

1

answer

no

votes

2016-06-29 08:51:09 -0600 berak

setLabelsInfo not existing in opencv3?

opencv

2k

views

1

answer

2

votes

2012-10-02 06:05:12 -0600 V.G.

ndk-build deletes native OpenCV library

ndk
android

1k

views

1

answer

no

votes

2016-08-11 00:30:59 -0600 berak

Making Android SDK Error

1k

views

1

answer

3

votes

2014-02-08 15:27:07 -0600 berak

how to derive from algorithm

1k

views

1

answer

-1

votes

2017-07-18 04:32:47 -0600 Eduardo

R200 Depth stream on opencv

3k

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1

answer

1

vote

2014-07-10 02:55:53 -0600 berak

KMeans Clustering for vector<Point2f> Data Structure

5k

views

1

answer

no

votes

2017-02-15 05:00:49 -0600 kbarni

i have this Error: Assertion failed (scn == 3 || scn == 4) in cv::cvtColor [closed]

3k

views

1

answer

1

vote

2013-04-11 01:43:43 -0600 Andrey Pavlenko

Invalid arguments for standard function calls

android
ndk

1k

views

1

answer

no

votes

2014-05-08 09:39:11 -0600 Gertlex

Compiler error using GCC 4.8.2 (MacPorts), OS X 10.9.2

978

views

1

answer

no

votes

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

Problem adding function to OpenCV4Android: UnsatisfiedLinkError

1k

views

1

answer

no

votes

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

include file for updateMotionHistory opencv-3.0-dev

opticalflow

1k

views

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

views

1

answer

no

votes

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

openCV 4.2 with CUDA 10.2

2k

views

1

answer

no

votes

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

Java face detection example produces 0 faces

3k

views

1

answer

1

vote

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

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

263

views

1

answer

no

votes

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

Detect screen zone with text?

2k

views

1

answer

1

vote

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

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

2k

views

1

answer

no

votes

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

Errors in detectMultiScale() for face detection

15k

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1

answer

no

votes

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

cmake linking error OpenCV_FOUND to FALSE UBUNTU 13.04

1k

views

1

answer

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

views

1

answer

1

vote

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

Build OpenCV and PCL with Cmake

686

views

1

answer

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

views

1

answer

1

vote

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

Compiling errors in header files

3k

views

1

answer

no

votes

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

Error building openCV 2.4.9 library not found for -lopencv_cudev

python
cmake

784

views

1

answer

no

votes

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

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

746

views

1

answer

no

votes

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

574 questions

cv::setMouseCallBack does not work on MacOS

does any one has a uniform lbp c++ code with it's spatial histogram

Segfault in convertTo Android OpenCV 2.4.x->3.0

unsovled externals errors occur when running detect_markers.cpp [closed]

setLabelsInfo not existing in opencv3?

ndk-build deletes native OpenCV library

Making Android SDK Error

how to derive from algorithm

R200 Depth stream on opencv

KMeans Clustering for vector<Point2f> Data Structure

i have this Error: Assertion failed (scn == 3 || scn == 4) in cv::cvtColor [closed]

Invalid arguments for standard function calls

Compiler error using GCC 4.8.2 (MacPorts), OS X 10.9.2

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

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