Questions - OpenCV Q&A Forum

97

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no

answers

no

votes

2020-07-30 08:02:47 -0600 Mordokkai

DISP_SHIFT in cv::StereoMatcher

stereo

2k

views

1

answer

no

votes

2020-08-01 05:37:42 -0600 cudawarped

Parallelizing GPU processing of multiple images

CUDA
gpu

438

views

no

answers

no

votes

2020-07-30 17:19:25 -0600 jimhollister

Unable to create PAGE_LOCKED or SHARED host memory using the Python binding to HostMem

python

3k

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no

answers

no

votes

2020-07-30 20:58:10 -0600 Luckygg

How to build viz module with VTK 9.0.1?

vtk
viz

360

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no

answers

no

votes

2020-07-31 07:55:22 -0600 tkEAB

Difference in BGR values between C++ and Python

BGR

3k

views

1

answer

no

votes

2020-08-01 14:01:46 -0600 cudawarped

Warning: field of class type without a DLL interface used in a class with a DLL interface

641

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no

answers

no

votes

2020-08-01 22:50:39 -0600 zubaidah

TypeError: only size -1 arrays can be converted to python scalar

python

339

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1

answer

no

votes

2020-08-02 01:33:44 -0600 berak

where is the position in aruco_ros marker detector [closed]

640

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no

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no

votes

2020-08-02 12:28:00 -0600 leafdet

Coordinate frame transformation from NED to OpenCV convention, and the Pinhole Camera Model

158

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no

answers

no

votes

2020-08-03 01:50:27 -0600 vasudha

How to have the camera 'desynchronized' with Illumination changes?

2k

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1

answer

no

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2020-08-03 07:45:48 -0600 berak

Rectified Images Show unwanted results, OpenCV with Stereo Vision

385

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no

answers

no

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2020-08-04 04:03:50 -0600 boaz001

Memory leak in RGB2Lab

294

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no

answers

no

votes

2020-08-03 10:56:29 -0600 rgov

Specify CUDA stream for DNN evaluation

CUDA
dnn

199

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no

answers

no

votes

2020-08-03 20:22:17 -0600 pv1

How to generate libopencv_javaxxx.so files instead of dylibs on a mac?

195

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no

answers

no

votes

2020-08-04 02:04:20 -0600 ARYL518

white angle and black angle in chessboard

calibration

76

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no

answers

no

votes

2020-08-04 02:29:33 -0600 RockStar

How to detect a color and then draw a line on it? [closed]

opencv#python

412

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no

answers

no

votes

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

AruCo improve tracking a single marker

aruco

370

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no

answers

no

votes

2020-08-05 02:35:42 -0600 jaubi

Aruco markers - how to keep a constant object size

opencvpython

445

views

1

answer

no

votes

2020-08-05 21:59:05 -0600 supra56

I’m using raspberry pi with python3. I don’t have the raspo camera. So how would make the videocapture(0) go to a web page? I have seen very complicated ways that I don’t understand yet. Are there basic ways to do this?

461

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no

answers

no

votes

2020-08-05 01:35:30 -0600 berak

build opencv for ios failed

125

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1

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no

votes

2020-08-05 01:50:21 -0600 berak

Can we use .raw image format directly in CV functions?

rawfile

517

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no

answers

no

votes

2020-08-05 11:54:47 -0600 2ros0

python cv2 calls from c++

python

450

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no

answers

no

votes

2020-08-05 12:47:18 -0600 andrepc

Error loading OpenCV4 libraries after cross compiling: No such file or directory

295

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no

answers

no

votes

2020-08-06 04:45:55 -0600 gino0717

WINDOW_NORMAL worked weird after uncheck WITH_QT

329

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no

answers

no

votes

2020-08-06 12:03:29 -0600 ronnyvdb

Track Edges and get Camera Transformation [closed]

806

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1

answer

no

votes

2020-08-12 21:06:04 -0600 cherie

Importing Bidirectional LSTM model via onnx shows an error

587

views

no

answers

no

votes

2020-08-07 12:22:17 -0600 supra56

How do you identify if the image is cut at the edges using OpenCV?

pythonopencv

79

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no

answers

no

votes

2020-08-08 12:30:18 -0600 Tanjuro

which is better for opencv ,C++ or java to doing image processing in android studio

c++#opencv#select

450

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no

answers

no

votes

2020-08-08 19:31:47 -0600 falalala

Why does OpenCV VideoCapture using a URL not work on Heroku?

299

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1

answer

no

votes

2020-08-09 02:02:15 -0600 berak

29,830 questions

DISP_SHIFT in cv::StereoMatcher

Parallelizing GPU processing of multiple images

Unable to create PAGE_LOCKED or SHARED host memory using the Python binding to HostMem

How to build viz module with VTK 9.0.1?

Difference in BGR values between C++ and Python

Warning: field of class type without a DLL interface used in a class with a DLL interface

TypeError: only size -1 arrays can be converted to python scalar

where is the position in aruco_ros marker detector [closed]

Coordinate frame transformation from NED to OpenCV convention, and the Pinhole Camera Model

How to have the camera 'desynchronized' with Illumination changes?

Rectified Images Show unwanted results, OpenCV with Stereo Vision

Memory leak in RGB2Lab

Specify CUDA stream for DNN evaluation

How to generate libopencv_javaxxx.so files instead of dylibs on a mac?

white angle and black angle in chessboard

How to detect a color and then draw a line on it? [closed]

AruCo improve tracking a single marker

Aruco markers - how to keep a constant object size

I’m using raspberry pi with python3. I don’t have the raspo camera. So how would make the videocapture(0) go to a web page? I have seen very complicated ways that I don’t understand yet. Are there basic ways to do this?

build opencv for ios failed

Can we use .raw image format directly in CV functions?

python cv2 calls from c++

Error loading OpenCV4 libraries after cross compiling: No such file or directory

WINDOW_NORMAL worked weird after uncheck WITH_QT

Track Edges and get Camera Transformation [closed]

Importing Bidirectional LSTM model via onnx shows an error

How do you identify if the image is cut at the edges using OpenCV?

which is better for opencv ,C++ or java to doing image processing in android studio

Why does OpenCV VideoCapture using a URL not work on Heroku?

detect specific point in an image

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