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316 questions

944
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1
answer
no
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2019-11-23 02:05:43 -0600 Akhil Patel

Canny Edge Detector doesn't return filtered image

3k
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1
answer
no
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2013-12-10 03:56:20 -0600 akoo flag of Spain

how to select a specific bounding box

1k
views
1
answer
1
vote
2015-07-01 11:15:52 -0600 sturkmen flag of Turkey

Cascade Classifier HAAR / LBP Advice

3k
views
1
answer
1
vote
2017-09-07 12:42:02 -0600 sturkmen flag of Turkey

How to delete those border component

4k
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1
answer
2
votes
2020-06-29 08:10:08 -0600 sturkmen flag of Turkey

Merge contour from vector<Points>

4k
views
1
answer
-1
votes
2014-10-19 12:35:33 -0600 FLY

How to find small circle/hole in image?

2k
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1
answer
2
votes
2017-02-19 13:39:41 -0600 LBerger

Editing/Understanging FindContours Points

264
views
1
answer
no
votes
2016-03-02 06:04:58 -0600 berak

Debug assertion fail when using grayscale

1k
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1
answer
no
votes
2018-08-26 08:24:44 -0600 matman

FindContours Duplicate Points

2k
views
1
answer
4
votes
2015-02-25 15:08:13 -0600 theodore flag of Greece

Detach two blob

1k
views
1
answer
no
votes
2015-11-20 02:44:50 -0600 pklab flag of Italy

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

2k
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1
answer
no
votes
2015-07-28 03:18:02 -0600 StevenPuttemans flag of Belgium

Find center and radius of fisheye image

2k
views
1
answer
-1
votes
2015-04-07 07:45:05 -0600 theodore flag of Greece

Detect not completed triangles

1k
views
1
answer
no
votes
2015-04-08 10:58:26 -0600 ClintFromVa

perspectiveTransform on contours?

3k
views
1
answer
no
votes
2016-04-07 06:22:23 -0600 StevenPuttemans flag of Belgium

Label Contours

510
views
1
answer
no
votes
2017-02-20 10:46:57 -0600 ginister

Mat reshape not reducing channel number

726
views
1
answer
-1
votes
2019-11-23 02:06:29 -0600 Akhil Patel

Detect all Countour not an only Rectangle

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

how to smooth edge of text

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

Displaying radius of a circle

2k
views
1
answer
1
vote
2015-11-05 18:02:46 -0600 LorenaGdL

Detect Images in an image of a text document

432
views
1
answer
no
votes
2013-12-05 23:28:36 -0600 Haris flag of India

How to do proper thresholding?

5k
views
1
answer
1
vote
2015-06-20 04:52:48 -0600 sturkmen flag of Turkey

Converting Python to C++

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

getting area points inside contour

827
views
1
answer
no
votes
2017-01-09 04:29:19 -0600 abhijith

Hand detection not working.

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