Questions - OpenCV Q&A Forum

176

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no

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2016-11-01 19:30:06 -0600 StephenHill

OpenCV crashes when starting VideoCamera

198

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1

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no

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2016-11-01 18:42:39 -0600 Tetragramm

how to resize image to 144x144

opencv

99

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no

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no

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2016-11-01 18:42:31 -0600 alecs26

Slow capture with bad lighting

slow

24k

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3

answers

2

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2016-11-01 18:08:41 -0600 amahta

Error in parameter of traincascade?

272

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2016-11-01 12:43:12 -0600 berak

Help with OpenCV on Android

290

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1

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no

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2016-11-01 11:57:44 -0600 berak

Why does the HoughLinesP output a 3D array, instead of a 2D array?

932

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2016-11-01 10:36:48 -0600 Minu

Facial LandMarks extraction Python

731

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1

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no

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2016-11-01 10:34:02 -0600 berak

I am trying to recognize facial emotion using SVM, however every time I run the program I get an error stating "assertion failed (samples.cols== var_count && samples.type == CV_32F) in cv::ml::SVMImpl::predict in file....... line 1919"

c++#opencv

200

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2016-11-01 09:04:30 -0600 berak

error python

python

520

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2

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2016-11-01 08:43:08 -0600 ftektas

Aruco 2.0* dictionaries for OpenCV 3.1.0

2k

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1

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no

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2016-11-01 07:43:13 -0600 AlaaM

error cross compiling for ARM

3k

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2

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no

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2016-11-01 07:42:33 -0600 AlaaM

Linking error: libzlib

9k

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5

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1

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2016-11-01 07:42:22 -0600 AlaaM

Opencv static link error

4k

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1

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no

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2016-11-01 07:42:10 -0600 AlaaM

static lib cross-compile zlib error

49

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1

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no

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2016-11-01 07:25:46 -0600 berak

how to use template <typename T> with different Mat.depth

opencv

875

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1

answer

1

vote

2016-11-01 06:15:33 -0600 rhardih

Rotation of word and cropping

281

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2016-11-01 04:38:47 -0600 Johan

Simple way to install openCV

76

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2016-11-01 04:37:51 -0600 atv

resolution not responding properly to query

opencv

443

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1

answer

1

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2016-11-01 01:12:00 -0600 berak

C++ - Difference between Vec definitions [closed]

169

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1

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no

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2016-10-31 10:15:36 -0600 berak

random perf tests fail on buildbot

578

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1

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no

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2016-10-31 08:51:14 -0600 berak

stores cv::Mat into a std::vector

opencv

2k

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1

answer

no

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2016-10-31 06:00:35 -0600 StevenPuttemans

Haar classifier limitations

205

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no

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no

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2016-10-31 05:53:26 -0600 ebizbytes

Machine learning and object detection

3k

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1

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no

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2016-10-31 05:25:18 -0600 LBerger

OpenCL can not detect my nVidia GPU via OpenCV

228

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no

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2016-10-31 03:48:21 -0600 Humam Helfawi

what is the value of OPENCL_LIBRARY

opencl

878

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1

answer

1

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2016-10-31 02:45:39 -0600 Morgan Jeong

Memory deallocation in android.

2k

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1

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2016-10-31 02:26:34 -0600 berak

Is there any way to import a .dxf file with open cv?

dxf
imread

36k

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1

answer

no

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2016-10-30 23:09:47 -0600 berak

Unsupported format or combination of formats while contours

956

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1

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no

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2016-10-30 15:22:19 -0600 Tetragramm

Converting transparent pixels to white after mask proccess

272

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no

answers

no

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2016-10-30 12:20:42 -0600 kenjif

29,830 questions

OpenCV crashes when starting VideoCamera

how to resize image to 144x144

Slow capture with bad lighting

Error in parameter of traincascade?

Help with OpenCV on Android

Why does the HoughLinesP output a 3D array, instead of a 2D array?

Facial LandMarks extraction Python

I am trying to recognize facial emotion using SVM, however every time I run the program I get an error stating "assertion failed (samples.cols== var_count && samples.type == CV_32F) in cv::ml::SVMImpl::predict in file....... line 1919"

error python

Aruco 2.0* dictionaries for OpenCV 3.1.0

error cross compiling for ARM

Linking error: libzlib

Opencv static link error

static lib cross-compile zlib error

how to use template <typename T> with different Mat.depth

Rotation of word and cropping

Simple way to install openCV

resolution not responding properly to query

C++ - Difference between Vec definitions [closed]

random perf tests fail on buildbot

stores cv::Mat into a std::vector

Haar classifier limitations

Machine learning and object detection

OpenCL can not detect my nVidia GPU via OpenCV

what is the value of OPENCL_LIBRARY

Memory deallocation in android.

Is there any way to import a .dxf file with open cv?

Unsupported format or combination of formats while contours

Converting transparent pixels to white after mask proccess

Trouble linking openCV 2.4.13.1 on QT creator 4.1.0 on OS X El Capitan

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