First time here? Check out the FAQ!
Hi there! Please sign in
help
faq
tags
users
badges
This forum is disabled, please visit
https://forum.opencv.org
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date
activity
answers ▼
votes
54 questions
Tagged
circle
×
2k
views
1
answer
1
vote
2018-05-02 08:54:19 -0600
joshuafc
Will putText,circle,line,rectangle for cv::cuda::GpuMat be implement?
gpumat
putText
circle
Line
rectangle
2k
views
1
answer
1
vote
2018-06-01 07:37:39 -0600
berak
Hough Circles way too Sensitive
Hough
circle
problem
1k
views
1
answer
no
votes
2018-09-19 11:54:33 -0600
christian
Writting robust (size invariant) circle detection (Watershed)
circle
watershed
python
1k
views
1
answer
no
votes
2019-04-15 07:18:19 -0600
Chris
Detect decimal or small dot in image
digit_recognition
houghcircle
circle
dot
decimal
1k
views
1
answer
no
votes
2019-05-28 19:16:33 -0600
Tetragramm
one point (u,v) to actual (x,y) w.r.t camera frame?
c++
opencv
camera
circle
1k
views
1
answer
no
votes
2020-03-17 13:53:02 -0600
exbigboss
fit a circle to a cloud of points
circle
fitting
503
views
1
answer
no
votes
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?
python
image
image-processing
mask
cv2
circle
2k
views
1
answer
no
votes
2020-10-02 20:04:26 -0600
sturkmen
Measuring the diameter of circles
circle
ellipse
1k
views
no
answers
no
votes
2015-04-20 04:59:09 -0600
StevenPuttemans
Is there other methods to detect circle apart of houghcircles
houghcircle
c++
opencv
circle
binary
630
views
no
answers
no
votes
2015-04-28 09:43:20 -0600
Karthikeyan
Measuring Circle Centre point and Radius!! Finding a fixed threshold parameter
c++
opencv
circle
measurements
threshold
563
views
no
answers
no
votes
2015-05-15 08:05:11 -0600
berak
Invalid arguments Candidates are: void minEnclosingCircle(const cv::_InputArray &, cv::Point_<float> &, float &)
detect
circle
contours
minEnclosingCircle
124
views
no
answers
no
votes
2015-06-29 09:32:25 -0600
jeje20
Find the value of pixel around a circle
mesure
circle
fourier
1k
views
no
answers
no
votes
2015-09-25 16:01:34 -0600
colog10
how to draw irregular circles java [closed]
irregular
circle
java
draw
667
views
no
answers
1
vote
2015-12-24 07:39:12 -0600
Momo
the largest circle in palm contour
center
palm
large
circle
440
views
no
answers
1
vote
2016-01-25 11:04:40 -0600
spyderespirt0
Why do I keep getting rotated rect's when they are circles? [closed]
circle
canny
contours
rectangles
shapedetection
217
views
no
answers
1
vote
2016-02-26 09:47:01 -0600
a.francesconi
Get a score for each detected circle using HoughCircles
houghcircle
circle
shape
feature-detection
1k
views
no
answers
no
votes
2016-09-15 02:31:44 -0600
shek
Ring Detection [closed]
circle
HoughCircles
716
views
no
answers
no
votes
2016-09-21 15:36:45 -0600
ksiadz13
Hough Circles Detection CPU and GPU - min distance parameter
Hough
circle
houghcircle
gpu
CPU
CUDA
902
views
no
answers
1
vote
2017-04-24 08:34:42 -0600
StevenPuttemans
Algorithm advice: defect detection
defectdetection
defect
greyscale
2d-image
circle
752
views
no
answers
no
votes
2017-10-09 05:08:39 -0600
Martian
hough circle detection if circle extends outside of image?
Hough
circle
360
views
no
answers
no
votes
2017-10-26 01:20:27 -0600
berak
Help detecting small hole on tube
detection
circle
houghcircle
contours
region
293
views
no
answers
no
votes
2018-02-15 18:14:05 -0600
Murilo Pereira
Different results of code language conversion [closed]
omr
java
c++
opencv
circle
perspective
1k
views
no
answers
1
vote
2019-08-28 06:58:00 -0600
wackoo
Finding a circle with a defective contour
circle
contours
broken
bad
sodacan
defect
240
views
no
answers
no
votes
2020-01-21 05:18:43 -0600
smoki3
Cascade Classifier Circle Detection [closed]
circle
xml
« previous
1
2
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
circle
×24
houghcircle
×5
c++
×4
contours
×4
opencv
×4
Hough
×3
defect
×2
java
×2
python
×2
2d-image
×1
bad
×1
binary
×1
broken
×1
camera
×1
canny
×1
center
×1
CPU
×1
CUDA
×1
cv2
×1
decimal
×1
defectdetection
×1
detect
×1
detection
×1
digit_recognition
×1
dot
×1
draw
×1
ellipse
×1
feature-detection
×1
fitting
×1
fourier
×1
gpu
×1
gpumat
×1
greyscale
×1
HoughCircles
×1
image
×1
image-processing
×1
irregular
×1
large
×1
Line
×1
mask
×1
measurements
×1
mesure
×1
minEnclosingCircle
×1
omr
×1
palm
×1
perspective
×1
problem
×1
putText
×1
rectangle
×1
rectangles
×1
Copyright
OpenCV foundation
, 2012-2018. Content on this site is licensed under a
Creative Commons Attribution Share Alike 3.0
license.
Powered by Askbot version 0.10.2
Please note: OpenCV answers requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×