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486 questions

136
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no
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votes
2019-10-11 14:47:56 -0600 SeFle

Error while compiling with VS 17

425
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2020-02-25 03:21:06 -0600 jhk

Build fails in nvidia docker; cuda:9.2-cudnn7-devel-ubuntu16.04

241
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2020-05-14 08:00:49 -0600 berak

OpenCV4.3.0 build with OpenCL

916
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votes
2020-06-02 12:03:55 -0600 dedetuga

Building Opencv4.3 Android shared libs error

464
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votes
2020-08-24 01:02:41 -0600 berak

request help,Status -43: CL_INVALID_BUILD_OPTIONS

610
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2020-09-11 09:23:10 -0600 berak

Why VideoCapture fails to open Aravis Camera?

10k
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1
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votes
2012-08-14 03:30:52 -0600 powlee

VideoCapture is not working in OpenCV 2.4.2

536
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1
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votes
2015-07-19 12:04:44 -0600 StevenPuttemans flag of Belgium

Improve training cascade speed

21k
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1
answer
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votes
2016-10-09 00:01:22 -0600 gfx

sys/videoio.h: No such file or directory

843
views
2
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votes
2017-03-25 03:49:08 -0600 picaso

How to use MOG in python openCV 3.2.0 version [closed]

1k
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votes
2017-08-03 04:32:14 -0600 Raki flag of Turkey

Matplotlib to replace imshow()

256
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votes
2017-09-27 10:46:14 -0600 berak

videoCapture::open doesn't see default camera

2k
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votes
2017-12-21 14:10:45 -0600 Paula

Error in make OpenCV - file in wrong format

442
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votes
2018-06-12 03:55:24 -0600 Amir Raouf

Why this error exists at building opencv?

474
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votes
2018-12-26 02:05:24 -0600 egorii

Which simple methods to speed up OpenCV code exists? [closed]

2k
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1
answer
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votes
2019-09-17 10:38:09 -0600 Spinner79

cmake build error on raspbian raspberry pi 4

254
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votes
2019-12-17 21:43:08 -0600 sid311

How to specify IPP version with CMake for versions 4.1.2/4.2.0?

2k
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4
answers
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votes
2018-12-29 18:09:01 -0600 gromtron

Building OpenCV with CUDA (Win10, VS 2017)

922
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1
answer
no
votes
2013-08-21 05:19:21 -0600 Patrick Tyll

HTC One, OpenCV & Native Activity

1k
views
2
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no
votes
2013-11-21 07:46:36 -0600 stuarta

Building opencv-2.4.6.1 or 2.4.7 on CentOS 5

1k
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no
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votes
2015-08-24 06:04:34 -0600 jeremyrutman

some functions not available

136
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votes
2016-06-10 02:40:14 -0600 Dysth

Interpreting Valgrind results about a 3D reconstruction program

151
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votes
2016-06-28 14:45:16 -0600 atv

dpm incredibly slow?

1k
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votes
2016-10-29 05:55:35 -0600 peterzcc

HIGH GPU Memory Usage by OpenCV Python Module [closed]

1k
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1
answer
no
votes
2017-03-16 13:15:08 -0600 adn

Missing ts from Release build

1k
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votes
2018-05-07 09:26:47 -0600 YayIguess

OpenCV failing to compile with CUDA support

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