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29,830 questions

271
views
1
answer
-3
votes
2018-11-20 13:31:23 -0600 LBerger

Where can I find information about Haarcascade? [closed]

226
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1
answer
-1
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2018-11-21 00:48:53 -0600 berak

undistord image and create bird view by use of nr. of points

557
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1
answer
1
vote
2018-11-20 17:23:11 -0600 nick_leo

Finding largest rectangles in matrix

2k
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1
answer
2
votes
2018-11-20 07:12:46 -0600 berak

Imread returns a blank image for a certain file

897
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1
answer
no
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2018-11-20 06:23:43 -0600 antithing

adding an alpha channel to a gpuMat?

536
views
2
answers
no
votes
2018-11-22 06:37:07 -0600 supra56 flag of Canada

contours and hirerachy mismatch

1k
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1
answer
no
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2018-11-21 17:55:00 -0600 G7

opencv cannot install cuda?

4k
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1
answer
2
votes
2018-11-20 03:08:38 -0600 berak

imshow() can't show CV_32F image

420
views
2
answers
-1
votes
2018-11-28 06:39:09 -0600 kbarni flag of France

Extract the contour of two images

3k
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1
answer
1
vote
2019-01-27 00:20:39 -0600 Mishal077

DNN.net.forward() in Android

278
views
no
answers
no
votes
2018-11-19 15:37:54 -0600 dakom

How to compile Dictionary in Aruco

520
views
1
answer
no
votes
2018-11-19 03:06:28 -0600 berak

How can I create a button in OpenCV C++?

395
views
1
answer
no
votes
2018-11-19 01:09:21 -0600 berak

SVM Train error: (-215:Assertion failed) problem

35
views
no
answers
no
votes
2018-11-18 21:57:59 -0600 DShack

Do measuring devices need to be in an image?

104
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no
answers
no
votes
2018-11-18 21:33:14 -0600 Aquatica1000

"Cannot open source file" [closed]

4k
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1
answer
-1
votes
2018-11-18 19:51:26 -0600 supra56 flag of Canada

cpp:1698: error: (-215:Assertion failed) Please help

543
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no
answers
no
votes
2018-11-18 13:46:13 -0600 LBerger

Python binding stitcher class

472
views
1
answer
no
votes
2018-11-18 03:30:28 -0600 berak

Where is Rodrigues in OpenCV.JS?

2k
views
1
answer
1
vote
2018-11-18 01:30:51 -0600 berak

cv2.COLOR_RGB2HSV is not giving correct HSV values

104
views
no
answers
no
votes
2018-11-17 17:37:43 -0600 Aquatica1000

Contours2 not working [closed]

301
views
no
answers
-2
votes
2018-11-17 13:14:10 -0600 Proappdev

FaceRecognition with OpenCv, NDK and Android studio failed! [closed]

595
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no
answers
no
votes
2018-11-17 09:04:11 -0600 viohh

subtraction of point2f vectors

3k
views
no
answers
no
votes
2018-11-18 02:55:22 -0600 russc243

OpenCV_3.4.3 hangs on VideoCapture. Resolved

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