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12,357 questions

379
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2016-09-27 10:34:30 -0600 xmjdh

build errors when building opencv_contrib from source code

294
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2016-10-26 08:47:43 -0600 BenNG

Why is my knn network is so bad ?

293
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1
vote
2013-02-18 15:31:56 -0600 Ben-Uri

Bug in cv::FilterEngine ?

770
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1
vote
2020-08-13 09:54:51 -0600 andyfilms

3D pose from multiple cameras and known key points

206
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2015-10-21 13:33:23 -0600 wes101

Background/Camera Motion Estimation

231
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2016-05-16 00:48:57 -0600 USER_123

ORB harris corner detection matrix

267
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2016-02-21 16:20:14 -0600 Evansf

Can VideoWriter open a named pipe?

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2020-02-15 16:45:19 -0600 mateusguilherme

opencv low fps on raspberry pi 4

638
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2016-06-06 09:50:12 -0600 aripod

Coordinates of keypoints using FLANN matcher

340
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2014-05-27 11:13:11 -0600 Cima

Mat::data empty after image operation (threshold())

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2017-10-27 16:19:27 -0600 rusty

Cross-compiling for ARM running QNX

184
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2
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2014-04-14 19:50:04 -0600 Royi

Interpolation by Optimization

203
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2020-07-04 04:45:41 -0600 albeh95

Isolate object to better detect it

66
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2015-12-11 22:36:08 -0600 android1234567

How do I import SparseMat class?

275
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2014-10-20 07:10:55 -0600 Deepak Kumar

how to create a block of 5x5 pixel in image

149
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2015-06-04 10:06:36 -0600 muc

how can face recognize with one sample per object

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1
vote
2015-07-15 10:30:48 -0600 Caba

Use cv::saliency::ObjectnessBING

338
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1
vote
2015-07-30 11:05:22 -0600 chris hawley

opencv fails to import on python

326
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votes
2013-03-27 21:04:15 -0600 nmm02003

transform phase map to 3D

158
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2019-07-17 01:47:42 -0600 kildonggo

I made spectral entropy code , but strange.

23k
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2016-01-21 09:47:27 -0600 podlipensky

Iterate over multiple vectors of uneven Mat

314
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answers
3
votes
2019-12-03 07:24:10 -0600 patil.kshitij

How to split a contour in to open arcs?

328
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votes
2016-10-28 11:45:57 -0600 MQ

Draw matches, rich keypoints and no draw single points

495
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1
vote
2013-09-24 14:07:14 -0600 JG

VS2010 NSight 3.1 Debugging non-OpenCV CUDA kernels

623
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2017-07-23 22:54:20 -0600 reid

DMA directly into UMat data

415
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2020-08-27 05:04:40 -0600 Scheolin

Camera/Distortion Model Confusion

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