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316 questions

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

eccentricity ( elongation ) of contours

196
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1
answer
1
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2018-04-24 01:15:56 -0600 berak

contour look strange

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2
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1
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2018-12-01 06:30:37 -0600 LBerger

Help with alpha gradient

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

What does HuMoments tell me?

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1
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3
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2016-06-16 16:18:03 -0600 sturkmen flag of Turkey

Error in mass center calculation through moments()

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2
answers
1
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2016-09-16 11:32:44 -0600 pklab flag of Italy

crack detect red line opencv

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2018-01-13 02:54:19 -0600 ak1

How do I draw only external contour?

980
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2
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2017-02-20 04:48:00 -0600 berak

OpenCV issue with drawing Farneback optical flow in ROI.

810
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1
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2017-01-09 04:29:19 -0600 abhijith

Hand detection not working.

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1
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2014-10-31 04:43:09 -0600 MichaelHecht

getting area points inside contour

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1
answer
1
vote
2015-06-20 04:52:48 -0600 sturkmen flag of Turkey

Converting Python to C++

423
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1
answer
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2013-12-05 23:28:36 -0600 Haris flag of India

How to do proper thresholding?

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2014-02-20 02:57:58 -0600 Marko

c++ OpenCV approxPolyDP causes Unhandled exception

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answer
1
vote
2015-11-05 18:02:46 -0600 LorenaGdL

Detect Images in an image of a text document

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

Does findContours create duplicates?

1k
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1
answer
no
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2013-09-11 04:17:54 -0600 Moster

Displaying radius of a circle

1k
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2
answers
1
vote
2019-02-14 16:11:15 -0600 Koralgoll

Why findContour detects same edge twice?

9k
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4
answers
6
votes
2012-07-05 07:03:38 -0600 Michael Burdinov

Area of a single pixel object in OpenCV

4k
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1
answer
1
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2017-04-18 21:14:13 -0600 Balaji R flag of India

how to smooth edge of text

6k
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2
answers
1
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2018-07-20 08:04:40 -0600 jsxyhelu flag of China

How to find dimensions of an object in the image

2k
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2
answers
1
vote
2014-09-02 02:30:15 -0600 Oscanto

Include multiple objects in one contour

721
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1
answer
-1
votes
2019-11-23 02:06:29 -0600 Akhil Patel

Detect all Countour not an only Rectangle

495
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1
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2017-02-20 10:46:57 -0600 ginister

Mat reshape not reducing channel number

452
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no
answers
1
vote
2017-08-28 11:15:43 -0600 eshirima

Check if convexhull has parallel lines

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

Label Contours

236
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2015-08-19 03:52:05 -0600 xyansdu

Problem when I try to use findContour function

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

perspectiveTransform on contours?

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