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29 questions

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140k
views
6
answers
14
votes
2014-09-25 12:02:22 -0600 lvv

What is the most effective way to access cv::Mat elements in a loop?

3k
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1
answer
2
votes
2012-09-04 04:48:58 -0600 Vladislav Vinogradov flag of Russia

Mat element access

1k
views
1
answer
1
vote
2013-03-26 14:05:41 -0600 berak

Access 32F Mat element by pointer

311
views
1
answer
1
vote
2014-09-18 07:45:07 -0600 pastekh

SparseMat spawning an breakpoint on .release()

161
views
1
answer
1
vote
2017-02-23 03:58:57 -0600 berak

Access and save information in Mat Array

1k
views
1
answer
1
vote
2017-12-21 00:54:25 -0600 moHe flag of China

Python faster pixel access

397
views
1
answer
no
votes
2012-12-20 05:11:23 -0600 vaaksiainen

How to use Mat_ ?

1k
views
1
answer
no
votes
2013-01-23 22:45:59 -0600 Daniil Osokin flag of Russia

compare two rows of a matrix

377
views
1
answer
no
votes
2013-03-14 05:06:27 -0600 berak

Mat Image data access problem

6k
views
2
answers
no
votes
2013-04-27 03:33:02 -0600 briselec

Accessing Mat causes crash

735
views
1
answer
no
votes
2013-07-30 03:06:01 -0600 berak

Pixel access through python interface

2k
views
1
answer
no
votes
2014-09-29 12:12:39 -0600 arp

capture image to slow with java

753
views
no
answers
no
votes
2014-03-20 00:24:37 -0600 nagaraju

How to access video from NVR

797
views
2
answers
no
votes
2014-03-25 10:15:54 -0600 berak

accessing element in a homography matrix

2k
views
no
answers
no
votes
2014-09-16 17:50:22 -0600 vsyoussef

face recognition [closed]

478
views
no
answers
no
votes
2015-02-03 13:44:56 -0600 Kinimod

Access Violation by reading msvcr120d.dll VC12

162
views
1
answer
no
votes
2015-03-09 14:06:53 -0600 theodore flag of Greece

How to access multiple imagens in a vector of opencv

191
views
1
answer
no
votes
2016-02-26 08:46:07 -0600 kbarni flag of France

Undefined depth matrix [closed]

453
views
1
answer
no
votes
2016-07-26 04:39:32 -0600 berak

impossible de decode my buffers

1k
views
1
answer
no
votes
2016-12-28 05:32:56 -0600 berak

Access channels of CV_8UC Image

4k
views
1
answer
no
votes
2017-03-09 05:41:03 -0600 berak

Iterating and printing all pixel values from a Mat image

217
views
no
answers
no
votes
2018-04-12 03:15:41 -0600 berak

How can access vector <cv::Mat> data by using ptr or data method?

305
views
1
answer
no
votes
2019-04-01 10:21:37 -0600 mdresser

Extract pixel value from Mat not working (for me)

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