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35 questions

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284
views
1
answer
no
votes
2020-11-03 06:03:35 -0500 Maaike

Make GpuMat continuous / copy to continuous memory.

170
views
1
answer
-1
votes
2019-10-24 20:26:15 -0500 shuaizhang

copyTo don't work

833
views
1
answer
no
votes
2019-09-27 10:17:38 -0500 Kitnos

Problem Adding a mask to video frames

242
views
1
answer
2
votes
2019-06-06 16:29:55 -0500 Witek flag of Poland

Replace subsection of Mat with another Mat.

125
views
no
answers
no
votes
2019-03-08 05:09:40 -0500 RPH

Wrap OpenCV Mat as numpyarray hangs ?

1k
views
1
answer
no
votes
2018-09-21 10:10:17 -0500 berak

Copy Mat at Contour/Mask into another Mat.

96
views
no
answers
no
votes
2018-03-17 15:52:46 -0500 cjacquel flag of France

Pb with CopyTo and GpuMat

3k
views
no
answers
no
votes
2018-01-29 06:25:51 -0500 Adam C

cv::Mat assignment or copy with guarantee that there is no reallocation

697
views
no
answers
no
votes
2018-01-27 07:41:37 -0500 alex001

Extra delay when copying UMat to Mat

163
views
no
answers
1
vote
2017-12-28 09:25:56 -0500 Boogaloo

TBB not being used for CMat memory copy, just IPP

162
views
1
answer
no
votes
2017-11-08 01:40:15 -0500 Andriezel

copyTo() works only the first time

1k
views
1
answer
-1
votes
2017-03-20 01:37:01 -0500 berak

copyTo not working: Java

2k
views
1
answer
no
votes
2017-01-16 01:47:21 -0500 LBerger

how is b=a.clone() different than a.copyTo(b)? which is faster?

246
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1
answer
no
votes
2016-12-16 10:40:03 -0500 LBerger

Copy Multidimensional Matrix

593
views
no
answers
1
vote
2016-12-10 10:57:12 -0500 Humam Helfawi

access violation in copyTo

440
views
1
answer
no
votes
2016-11-07 04:28:44 -0500 berak

Unexpected Results using CopyTo Rect with UMat

965
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no
answers
no
votes
2016-10-22 11:54:16 -0500 Jishan

Crop Image Patch & Paste [closed]

2k
views
no
answers
no
votes
2016-06-08 09:29:22 -0500 VanGog

Copy image using Rect() and copyTo()

59
views
1
answer
no
votes
2016-06-04 09:38:03 -0500 mmkhan

Problem with copying a block of data

230
views
no
answers
no
votes
2016-03-09 13:56:09 -0500 mask2007

Random forest - RTrees - getSplits - type mismatch

3k
views
2
answers
1
vote
2016-02-18 09:30:03 -0500 sturkmen flag of Turkey

copy even rows/cols to another Mat

802
views
1
answer
no
votes
2016-02-17 13:39:39 -0500 dramaticlook

OpenCV 3.1 UMat assignment

22k
views
no
answers
1
vote
2015-10-30 07:37:09 -0500 Kåre Jensen

Memory leak using copyTo UMat

570
views
1
answer
1
vote
2015-10-27 10:09:20 -0500 frageDE flag of Germany

OpenCV: Masking Operation Does not Function Properly

1k
views
no
answers
1
vote
2015-09-16 09:46:48 -0500 iEng

Memory Leak in Mat::copyTo()

1k
views
1
answer
no
votes
2015-07-27 11:18:16 -0500 MdK8

Issue Masking Input Image to findContours [closed]

10k
views
1
answer
1
vote
2014-09-02 04:28:04 -0500 Balaji R flag of India

How to crop non rectangular area from Mat?

4k
views
1
answer
no
votes
2014-08-20 07:02:29 -0500 Miro

copy small image in big image

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