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783 questions

1k
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1
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2
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2019-01-24 16:02:22 -0600 LBerger

drawKeypoints bug?

619
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1
answer
no
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2019-05-29 05:01:46 -0600 berak

How to build OpenCV 4.1.0 on Ubuntu 18.10

465
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1
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no
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2020-08-29 00:48:09 -0600 berak

Where to find implementation of BFMatcher::match

982
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1
answer
1
vote
2013-06-02 01:16:06 -0600 heneedhelp

Opencv Android 2.4.5 device reboot

1k
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1
answer
1
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2013-09-22 14:12:40 -0600 Dake Feng

Trouble Compiling OpenCV 2.4.6 from source

1k
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1
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no
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2014-01-05 03:17:12 -0600 Matthias

I cannot build java in 3.0.0

1k
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1
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no
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2014-10-23 16:47:31 -0600 kilua

build error: undefined reference to 'v4l2_munmap'

6k
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1
answer
1
vote
2015-07-18 09:20:54 -0600 smwikipedia

How to build the Java wrapper for OpenCV 3.0?

1k
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1
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no
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2015-08-12 18:06:14 -0600 Yolteotl

imread returns empty mat in examples

345
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1
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no
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2015-10-21 08:27:26 -0600 Jaheen

TLD causes nvcompiler.dll access violation

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1
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2016-02-23 22:58:04 -0600 sai kethamakka flag of United States of America

8UC4 Mat to qimage

584
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1
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2016-03-13 03:16:26 -0600 berak

CV_IPP_RUN no define when build opencv3.1.0

20k
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1
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no
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2016-10-09 00:01:22 -0600 gfx

sys/videoio.h: No such file or directory

652
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1
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2016-08-25 10:20:54 -0600 jlaura

OpenCV3, Python3, Missing xFeatures

17k
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1
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no
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2016-09-28 08:19:55 -0600 Leonardo

IP Camera Capture delay/lag

6k
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1
answer
no
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2016-12-09 06:09:11 -0600 pi-null-mezon flag of Russia

Trying to run dnn module

1k
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1
answer
-1
votes
2017-01-14 07:21:08 -0600 User

OpenCV 3.1 build for windows imshow doesn't work [closed]

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