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316 questions

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

drawContours as is, not filled, not just outline

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

Undefined Reference to cv::

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

FindContour does not get all contour

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

extract flower buds in x-ray image

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2013-08-05 13:16:04 -0600 berak

call of overloaded ‘Point_(cv::Point2f&)’ is ambiguous

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

How do I find a vertical line in a image?

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2018-07-18 07:31:45 -0600 kbarni flag of France

drawContours with Gradient color

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2017-12-20 11:25:12 -0600 Pedro Batista flag of Portugal

Building contours from points

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

Result issues with findContours

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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

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2016-02-03 11:26:54 -0600 sturkmen flag of Turkey

Why a contour can't always be drawn filled?

4k
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2016-04-14 02:51:57 -0600 pklab flag of Italy

Detection of stones (rocks) on field surface

932
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1
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2016-06-05 07:00:14 -0600 sturkmen flag of Turkey

my code doesn't work.plzz help me

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2013-12-14 06:49:09 -0600 natadmin

[RESOLVED] HOGDescriptor Error: Assertion Failed!

399
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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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2013-06-24 01:54:39 -0600 Shaban flag of Indonesia

How to detect the direction of moving objects?

5k
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answer
1
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2013-05-06 03:09:17 -0600 Mathieu Barnachon flag of Netherlands

Blob Segmentation from Extracted Foreground

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2
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2
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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

530
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2013-12-04 18:19:54 -0600 Shaban flag of Indonesia

How to take "cv::Mat frame" inside contours?

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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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2017-04-26 07:00:48 -0600 Svad

opencv-3.2.0(x64): drawContours does not work with Qt5

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2
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1
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2013-06-25 21:43:47 -0600 Shaban flag of Indonesia

Error in BackgroundSubtraction Mog2

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