Questions - OpenCV Q&A Forum

2k

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1

answer

no

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2020-02-06 07:56:25 -0600 berak

unable to build application in linux based on opencv::dnn module

167

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no

answers

no

votes

2020-02-06 01:53:55 -0600 Zana Zakaryaie Nejad

Does OpenCV uses GEMM for convolution?

1k

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no

answers

no

votes

2020-02-06 01:39:59 -0600 Imran B

Image Stitching with cv2.cuda()

2k

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3

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no

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2020-02-05 12:48:13 -0600 cudawarped

No effect from using cuda::Stream?

CUDA
stream

181

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no

answers

no

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2020-02-05 10:11:57 -0600 David Chen

Valgrind report possible lost on "cv::initUndistortRectifyMap"

Valgrind

610

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1

answer

no

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2020-02-05 09:07:34 -0600 berak

How to create map with pointer to function to cv tracking ?

c++#opencv

1k

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1

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no

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2020-02-05 08:41:45 -0600 EvilMegaDroid

Template matching, false negative on close image's

484

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no

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no

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2020-02-05 07:31:38 -0600 TomerP

OpenCV compilation flags

728

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1

answer

1

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2020-02-05 04:53:23 -0600 jstefanelli

[4.2.0] FileStorage crash on getNodePtr() (Segmentation Fault)

792

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1

answer

2

votes

2020-02-05 01:46:58 -0600 LBerger

How to port image registration C++ code to Python

2k

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1

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no

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2020-02-05 01:40:49 -0600 LBerger

Need help in showing open cv output frame in browser

425

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no

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no

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2020-02-04 15:21:20 -0600 benf

ArUco markers detected slightly too small

aruco

491

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1

answer

no

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2020-02-04 14:41:44 -0600 zzxjl1

Fatal signal 11 (SIGSEGV), code 2 from knnMatch in OpenCV4Android 3.2

1k

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1

answer

no

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2020-02-04 13:31:15 -0600 mvuori

Removing circles inside larger circles

c++

549

views

2

answers

2

votes

2020-02-04 09:30:15 -0600 Mialek

Detection, sorting,

threshold

450

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no

answers

1

vote

2020-02-04 00:30:01 -0600 y8han

The mathematics principles behind the OpenCV function Calibration

calibration

160

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no

answers

-2

votes

2020-02-03 23:25:00 -0600 bae grande

how can i highlight a vein or point a vein? [closed]

opencvpython

586

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no

answers

-1

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2020-02-03 21:18:42 -0600 Roman1974

Lawn mower position system. How feasible?

1k

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no

answers

no

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2020-02-03 15:19:07 -0600 berak

Auto image capture with stepper pauses

931

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2

answers

no

votes

2020-02-03 14:14:04 -0600 LBerger

How can I filter white color from simmilar background?

opencv#python

874

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1

answer

1

vote

2020-02-03 10:55:48 -0600 berak

how can I change the video frame in selectROI area from RGB to grayscale? [closed]

opencv#python

718

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no

answers

no

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2020-02-03 09:43:45 -0600 BlandCorporation

How can the Python bindings for OpenCV 2 be installed in Ubuntu 18.04 LTS?

1k

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1

answer

no

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2020-02-03 08:44:39 -0600 JackOLantern

Input parameters for Farneback optical flow

1k

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1

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no

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2020-02-03 06:18:50 -0600 cudawarped

Changing brightness and contrast cv2.cuda python

1k

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no

answers

no

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2020-02-03 03:40:51 -0600 Imran B

Cv2.cuda.remap assertion error

387

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1

answer

no

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2020-02-03 01:58:43 -0600 mvuori

Motion detection with Raspi and a thermal camera

12k

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1

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no

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2020-02-02 21:38:04 -0600 supra56

AttributeError: module 'opencv' has no attribute 'imread' PS C:\Users\OpenCV>

basics
help

2k

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1

answer

no

votes

2020-02-02 06:14:25 -0600 mvuori

Should destroyAllWindows and release functions be used in Python?

python

9k

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1

answer

no

votes

2020-02-02 05:18:25 -0600 supra56

object counting in python open cv

1k

views

2

answers

-1

votes

2020-02-01 21:10:44 -0600 supra56

29,830 questions

unable to build application in linux based on opencv::dnn module

Does OpenCV uses GEMM for convolution?

Image Stitching with cv2.cuda()

No effect from using cuda::Stream?

Valgrind report possible lost on "cv::initUndistortRectifyMap"

How to create map with pointer to function to cv tracking ?

Template matching, false negative on close image's

OpenCV compilation flags

[4.2.0] FileStorage crash on getNodePtr() (Segmentation Fault)

How to port image registration C++ code to Python

Need help in showing open cv output frame in browser

ArUco markers detected slightly too small

Fatal signal 11 (SIGSEGV), code 2 from knnMatch in OpenCV4Android 3.2

Removing circles inside larger circles

Detection, sorting,

The mathematics principles behind the OpenCV function Calibration

how can i highlight a vein or point a vein? [closed]

Lawn mower position system. How feasible?

Auto image capture with stepper pauses

How can I filter white color from simmilar background?

how can I change the video frame in selectROI area from RGB to grayscale? [closed]

How can the Python bindings for OpenCV 2 be installed in Ubuntu 18.04 LTS?

Input parameters for Farneback optical flow

Changing brightness and contrast cv2.cuda python

Cv2.cuda.remap assertion error

Motion detection with Raspi and a thermal camera

AttributeError: module 'opencv' has no attribute 'imread' PS C:\Users\OpenCV>

Should destroyAllWindows and release functions be used in Python?

object counting in python open cv

How to get the number of centroids in a rectangle?[SOLVED]

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