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316 questions

646
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2020-09-02 08:09:49 -0600 denisPomidor

A question about the 'floodFill()' function.

388
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2013-06-27 06:27:14 -0600 burakim

Opencv Contour Error

639
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2016-06-13 17:52:59 -0600 Damian3395

Detecting Documents On White Surface

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2015-06-09 01:30:51 -0600 Nina

Could not perform 'fill' using draw contours

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2015-01-21 19:20:55 -0600 KansaiRobot

Watershed problems.

774
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2018-04-23 16:28:52 -0600 ritesh1996

Is there any python code for Camera Tampering detection using opencv?

526
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2016-06-26 08:53:14 -0600 Gesture Rec

How to count Convexity Defects ?

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2018-12-07 10:56:14 -0600 sreevathsabr

Facing Problem in drawing counters for resized Image

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2013-10-08 00:44:40 -0600 Shaban flag of Indonesia

How to create an array of Mat by the number of frame?

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2013-06-24 01:54:39 -0600 Shaban flag of Indonesia

How to detect the direction of moving objects?

405
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2016-09-03 11:25:35 -0600 Tharindu J

need help to change this code to live web cam streaming

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2014-10-28 20:38:02 -0600 tim obrien

error:Only 8-bit 1-channel and 3-channel input/output images are

153
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2018-03-23 01:57:46 -0600 santhosh21

How to add the points[4] to the contours by using opencv framework

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2018-02-20 09:19:03 -0600 Marko5280

How do I find a vertical line in a image?

320
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2018-04-29 05:05:31 -0600 bennog

extract flower buds in x-ray image

149
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2018-06-08 09:20:05 -0600 garbalawal

FindContour does not get all contour

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2017-09-22 11:53:05 -0600 Intoxica

Undefined Reference to cv::

601
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2020-02-27 21:20:09 -0600 supra56 flag of Canada

no matching function for call to 'drawContours' [closed]

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2018-12-17 09:09:31 -0600 ub0baa

speeding things up [closed]

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2017-12-27 05:02:05 -0600 Akash Budhia

drawContours as is, not filled, not just outline

829
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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?

2k
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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

17k
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1
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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

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