Questions - OpenCV Q&A Forum

294

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1

answer

no

votes

2017-01-17 20:30:09 -0600 Balaji R

ColorConversionCodes COLOR_GRAY2RGB seems to behave like BGR

2k

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1

answer

no

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2017-01-21 21:20:42 -0600 Tetragramm

Finding Largest Circle Contained Within A Contour

943

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1

answer

-2

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2017-06-30 01:42:01 -0600 berak

Is it possible to turn this c++ code into python code?

2k

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1

answer

1

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2017-08-13 04:02:39 -0600 berak

Fast Radial Symmetry Transform Implementation

593

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1

answer

no

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2017-10-23 09:25:40 -0600 essamzaky

How to detect circles with +/-5% error margin?

3k

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1

answer

no

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2017-11-20 04:23:29 -0600 VxW

Remove defects from round object

2k

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1

answer

1

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2018-05-02 08:54:19 -0600 joshuafc

Will putText,circle,line,rectangle for cv::cuda::GpuMat be implement?

2k

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1

answer

1

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2018-06-01 07:37:39 -0600 berak

Hough Circles way too Sensitive

1k

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1

answer

no

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2018-09-19 11:54:33 -0600 christian

Writting robust (size invariant) circle detection (Watershed)

1k

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1

answer

no

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2019-04-15 07:18:19 -0600 Chris

Detect decimal or small dot in image

1k

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1

answer

no

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2019-05-28 19:16:33 -0600 Tetragramm

one point (u,v) to actual (x,y) w.r.t camera frame?

1k

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1

answer

no

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2020-03-17 13:53:02 -0600 exbigboss

fit a circle to a cloud of points

502

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1

answer

no

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2020-09-27 09:11:36 -0600 Chris

How to color the pixels in an image depending on whether they are inside/outside a zone/circle?

2k

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1

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no

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2020-10-02 20:04:26 -0600 sturkmen

Measuring the diameter of circles

11k

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2

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1

vote

2012-12-17 01:34:08 -0600 Haris

Detect/Fitting Circles

5k

views

2

answers

no

votes

2013-10-21 13:22:53 -0600 leRoss

filled circle detection

13k

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2

answers

2

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2014-03-30 08:54:28 -0600 robcio_5

How to draw a circle on an image using mouse click/events?

7k

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2

answers

2

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2016-12-19 05:20:35 -0600 Soltius

Is it possible to draw half circle?

5k

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2

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no

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2016-02-04 06:53:01 -0600 Poovamraj

Whenever i use Imgproc.rectangle and Imgproc.circle function following error appears

16k

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3

answers

4

votes

2012-10-15 10:48:27 -0600 jlsb

findCirclesGrid

1k

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3

answers

no

votes

2013-03-29 22:28:17 -0600 wuling

Circle- Detection with Visual Basic

circle

4k

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3

answers

2

votes

2017-10-10 12:36:46 -0600 mfisher

Open CV's HoughCircles() is ~1000 times faster than my version

11k

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3

answers

1

vote

2016-04-30 11:34:31 -0600 sturkmen

(Best) way to track a circle with a cross inside

8k

views

5

answers

4

votes

2018-07-26 02:01:52 -0600 jsxyhelu

I need a maxEnclosingCircle function

circle

54 questions

ColorConversionCodes COLOR_GRAY2RGB seems to behave like BGR

Finding Largest Circle Contained Within A Contour

Is it possible to turn this c++ code into python code?

Fast Radial Symmetry Transform Implementation

How to detect circles with +/-5% error margin?

Remove defects from round object

Will putText,circle,line,rectangle for cv::cuda::GpuMat be implement?

Hough Circles way too Sensitive

Writting robust (size invariant) circle detection (Watershed)

Detect decimal or small dot in image

one point (u,v) to actual (x,y) w.r.t camera frame?

fit a circle to a cloud of points

How to color the pixels in an image depending on whether they are inside/outside a zone/circle?

Measuring the diameter of circles

Detect/Fitting Circles

filled circle detection

How to draw a circle on an image using mouse click/events?

Is it possible to draw half circle?

Whenever i use Imgproc.rectangle and Imgproc.circle function following error appears

findCirclesGrid

Circle- Detection with Visual Basic

Open CV's HoughCircles() is ~1000 times faster than my version

(Best) way to track a circle with a cross inside

I need a maxEnclosingCircle function

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