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26 questions

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1k
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2
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3
votes
2012-07-20 13:34:26 -0500 Ilya Lysenkov

Weird result while finding angle

4k
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5
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2012-07-22 11:34:45 -0500 Misha

Sobel derivatives in the 45 and 135 degree direction

2k
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2
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4
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2012-10-25 00:42:48 -0500 sammy

Detecting thick edges

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2
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5
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2013-12-22 02:54:36 -0500 mtourne

Filtering out coast line

650
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2
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1
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2014-07-15 21:24:43 -0500 Witek flag of Poland

like the picture below,how can i deal with the blue edges?

90
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2
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no
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2018-11-14 13:45:21 -0500 Filippo9669

How to detect the "external" pixels in an edge?

158
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no
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2019-04-20 13:40:55 -0500 supra56 flag of Canada

Remove white noise between white horizontal line

4k
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1
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4
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2012-08-10 14:56:16 -0500 Tharaki

How to detect square in a video using c++ and opencv?

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1
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no
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2014-04-07 02:55:18 -0500 pj

extract point sequence of edge (a not enclosed contour)

299
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1
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no
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2015-02-26 14:37:59 -0500 matman

[Newbie] Can OpenCV find a straight boundary?

690
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1
answer
1
vote
2016-02-26 17:57:41 -0500 sturkmen flag of Turkey

eliminating edges

164
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1
answer
no
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2016-03-04 19:18:46 -0500 Tetragramm flag of United States of America

Comparing patterns on coins.

244
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1
answer
1
vote
2018-02-22 02:44:25 -0500 Grillteller

Get strength of edges using magnitude

98
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1
answer
no
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2018-03-20 10:52:17 -0500 Simonn

Edge/Contour identification

428
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no
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2013-10-10 05:00:39 -0500 wuling flag of Taiwan

How to easy to get the length of the edge???

674
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2014-04-27 15:47:23 -0500 mikey

Overlaying edges onto original image in Python

94
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no
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2014-10-03 10:02:53 -0500 Mikhail

Automation of image cropping

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2015-06-22 21:27:53 -0500 Devansh Dalal

Non maximum suppression of edges..

67
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2018-12-03 07:44:32 -0500 Filippo9669

Max gradient magnitude in Canny's algorithm

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Jérémy K gravatar imageRaulPL gravatar imageyes123 gravatar imageblue gravatar imageLassan gravatar imagesammy gravatar imageAdi gravatar imageMisha gravatar imageTharaki gravatar imageHugoRune gravatar imagemelongex gravatar imageHaris gravatar imagewuling gravatar imageMathieu Barnachon gravatar imageIlya Lysenkov gravatar imageberak gravatar image