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316 questions

1k
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2013-05-26 09:40:23 -0600 Qichao Chen flag of China

When I run the following code, I get the error

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2
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2016-04-14 02:51:57 -0600 pklab flag of Italy

Detection of stones (rocks) on field surface

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2
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2013-03-14 11:22:10 -0600 Guanta

Result issues with findContours

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1
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2
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2015-01-27 06:43:28 -0600 Pedro Batista flag of Portugal

Contours. What are those really?

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1
answer
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2017-04-09 16:17:04 -0600 sturkmen flag of Turkey

Opencv error: Assertation failed when findContours is used

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1
answer
2
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2016-05-29 12:24:18 -0600 LBerger

How to find the rotated angle of object

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1
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2014-09-11 04:35:40 -0600 coco

Help me to track the mistake for measuring angles in opencv

896
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1
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no
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2019-11-23 02:05:43 -0600 Akhil Patel

Canny Edge Detector doesn't return filtered image

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1
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2013-12-10 03:56:20 -0600 akoo flag of Spain

how to select a specific bounding box

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

Cascade Classifier HAAR / LBP Advice

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1
answer
1
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2017-09-07 12:42:02 -0600 sturkmen flag of Turkey

How to delete those border component

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1
answer
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2020-06-29 08:10:08 -0600 sturkmen flag of Turkey

Merge contour from vector<Points>

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

How to find small circle/hole in image?

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

Editing/Understanging FindContours Points

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

Debug assertion fail when using grayscale

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

FindContours Duplicate Points

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

Detach two blob

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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?

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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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-1
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2015-04-07 07:45:05 -0600 theodore flag of Greece

Detect not completed triangles

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1
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no
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2015-04-08 10:58:26 -0600 ClintFromVa

perspectiveTransform on contours?

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

Label Contours

496
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1
answer
no
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2017-02-20 10:46:57 -0600 ginister

Mat reshape not reducing channel number

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