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316 questions

1k
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3
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2014-05-27 06:42:15 -0600 Nagaraj

Tilted image reconstruction

263
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1
answer
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2016-03-02 06:04:58 -0600 berak

Debug assertion fail when using grayscale

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1
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2018-08-26 08:24:44 -0600 matman

FindContours Duplicate Points

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1
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2015-11-20 02:44:50 -0600 pklab flag of Italy

how can I draw a vertical line down the middle of a rectangular?

785
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2
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2015-08-12 03:00:15 -0600 zms

Moment and Archlength return values - confused

2k
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1
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2015-07-28 03:18:02 -0600 StevenPuttemans flag of Belgium

Find center and radius of fisheye image

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1
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2015-04-08 10:58:26 -0600 ClintFromVa

perspectiveTransform on contours?

237
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no
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2015-08-19 03:52:05 -0600 xyansdu

Problem when I try to use findContour function

3k
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1
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2016-04-07 06:22:23 -0600 StevenPuttemans flag of Belgium

Label Contours

496
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1
answer
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2017-02-20 10:46:57 -0600 ginister

Mat reshape not reducing channel number

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1
answer
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2013-09-11 04:17:54 -0600 Moster

Displaying radius of a circle

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2
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2016-07-31 10:54:44 -0600 LBerger

Does findContours create duplicates?

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no
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2014-02-20 02:57:58 -0600 Marko

c++ OpenCV approxPolyDP causes Unhandled exception

423
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1
answer
no
votes
2013-12-05 23:28:36 -0600 Haris flag of India

How to do proper thresholding?

20k
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1
answer
no
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2014-10-31 04:43:09 -0600 MichaelHecht

getting area points inside contour

810
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1
answer
no
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2017-01-09 04:29:19 -0600 abhijith

Hand detection not working.

981
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2
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no
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2017-02-20 04:48:00 -0600 berak

OpenCV issue with drawing Farneback optical flow in ROI.

11k
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1
answer
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2018-01-13 02:54:19 -0600 ak1

How do I draw only external contour?

4k
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1
answer
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2015-10-29 09:55:13 -0600 sturkmen flag of Turkey

What does HuMoments tell me?

5k
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1
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2014-10-14 07:12:47 -0600 fedor flag of Russia

eccentricity ( elongation ) of contours

658
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1
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2015-04-09 16:27:09 -0600 sturkmen flag of Turkey

how to get bounding rectangle on both window??

4k
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1
answer
no
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2015-08-17 12:19:38 -0600 unxnut flag of United States of America

drawContours vector<Point>

570
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1
answer
no
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2015-04-07 05:56:47 -0600 theodore flag of Greece

measuring height of color using pixel. [closed]

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