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 »
relevance ▼
date
activity
answers
votes
316 questions
Tagged
2k
views
1
answer
-1
votes
2015-04-07 07:45:05 -0600
theodore
Detect not completed triangles
c++
opencv
detect
Complete
triangle
2k
views
1
answer
no
votes
2015-07-28 03:18:02 -0600
StevenPuttemans
Find center and radius of fisheye image
fisheye
183
views
no
answers
no
votes
2016-03-15 03:40:24 -0600
Lily
Stack around the variable 'hull_header' was corrupted when using convexity defects [closed]
convexityDefects
808
views
2
answers
no
votes
2015-08-12 03:00:15 -0600
zms
Moment and Archlength return values - confused
Moment
and
Archlength
result
499
views
no
answers
1
vote
2014-06-04 05:31:35 -0600
Nbel
Contours differences between C++ and Python [closed]
findContours
1k
views
1
answer
no
votes
2015-11-20 02:44:50 -0600
pklab
how can I draw a vertical line down the middle of a rectangular?
opencv
c++
4k
views
no
answers
1
vote
2016-08-02 06:14:55 -0600
avpai
counting the number of child contours inside a contour in opencv
c++
opencv
contours
FindContour
hierarchy
image-processing
2k
views
1
answer
4
votes
2015-02-25 15:08:13 -0600
theodore
Detach two blob
c++
blob
BlobAnalysis
connectedComponents
Binarization
1k
views
1
answer
no
votes
2018-08-26 08:24:44 -0600
matman
FindContours Duplicate Points
findContours
drawContours
264
views
1
answer
no
votes
2016-03-02 06:04:58 -0600
berak
Debug assertion fail when using grayscale
opencv
1k
views
1
answer
no
votes
2016-06-02 09:26:27 -0600
sturkmen
OpenCV4Android - Resize a Contour but retain center?
android
opencv
erode
distanceTransform
resize
2k
views
1
answer
2
votes
2017-02-19 13:39:41 -0600
LBerger
Editing/Understanging FindContours Points
drawContours
point
findContours
5k
views
1
answer
1
vote
2015-03-02 09:08:53 -0600
theodore
Implementation Question: How to create bounding boxes around answers on worksheets
implementation
deskewing
standardizing
Noteworthy_Content
256
views
1
answer
no
votes
2020-02-11 20:21:08 -0600
supra56
Object localization program crashing at approxPolyDP function[SOLVED]
opencv
approxPolyDP
4k
views
1
answer
-1
votes
2014-10-19 12:35:33 -0600
FLY
How to find small circle/hole in image?
pinhole
4k
views
1
answer
2
votes
2020-06-29 08:10:08 -0600
sturkmen
Merge contour from vector<Points>
contours
points
1k
views
3
answers
no
votes
2014-05-27 06:42:15 -0600
Nagaraj
Tilted image reconstruction
tilted
642
views
no
answers
no
votes
2014-09-11 14:55:19 -0600
Konstantin Ivanov
Access violation error to vector<vector<Point>>,wich was created by function findContours [closed]
findContours
3k
views
1
answer
1
vote
2017-09-07 12:42:02 -0600
sturkmen
How to delete those border component
connectedComponents
floodfill
findContours
608
views
no
answers
no
votes
2016-02-25 15:47:21 -0600
aparna91
How to extract the object on white paper?
Overlooked
1k
views
no
answers
1
vote
2019-08-14 10:03:11 -0600
antithing
Calculate extrinsics between two cameras using FindHomography?
findHomography
solvePnP
extrinsic
stereo
drawcontour
1k
views
1
answer
1
vote
2015-07-01 11:15:52 -0600
sturkmen
Cascade Classifier HAAR / LBP Advice
Haar
python
opencv
3k
views
1
answer
no
votes
2013-12-10 03:56:20 -0600
akoo
how to select a specific bounding box
boundingBox
1k
views
1
answer
-2
votes
2018-03-14 11:15:38 -0600
phillity
Equivalent OpenCV Java Code to this C++ Code
javaopencv
c++
imageoverlay
displacement-mapping
drawcontour
295
views
no
answers
no
votes
2019-05-01 05:55:57 -0600
antithing
Triangulate from stereo fisheye cameras?
triangulatePoints
undistortpoints
fisheye
drawcontour
950
views
1
answer
no
votes
2019-11-23 02:05:43 -0600
Akhil Patel
Canny Edge Detector doesn't return filtered image
canny
1k
views
no
answers
no
votes
2019-10-29 13:04:50 -0600
light0090
Yolov3 and darknet problem
python
Yolov3
yolo
darknet
tiny-dnn
drawcontour
205
views
no
answers
no
votes
2018-07-03 02:33:21 -0600
dorimu
convert direct3d surface to umat fails
opencl
directx
drawcontour
261
views
no
answers
no
votes
2019-09-23 23:57:34 -0600
brem
VideoWriter write hangs
videowriter
drawcontour
2k
views
1
answer
1
vote
2016-01-23 05:57:54 -0600
sturkmen
Problem in thresholding of a part of image
opencv
Thresholding
python
cv2
image-processing
« previous
1
...
7
8
9
10
11
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
opencv
×8
drawcontour
×6
c++
×5
findContours
×5
python
×3
connectedComponents
×2
contours
×2
drawContours
×2
fisheye
×2
image-processing
×2
and
×1
android
×1
approxPolyDP
×1
Archlength
×1
Binarization
×1
blob
×1
BlobAnalysis
×1
boundingBox
×1
canny
×1
Complete
×1
convexityDefects
×1
cv2
×1
darknet
×1
deskewing
×1
detect
×1
directx
×1
displacement-mapping
×1
distanceTransform
×1
erode
×1
extrinsic
×1
FindContour
×1
findHomography
×1
floodfill
×1
Haar
×1
hierarchy
×1
imageoverlay
×1
implementation
×1
javaopencv
×1
Moment
×1
Noteworthy_Content
×1
opencl
×1
Overlooked
×1
pinhole
×1
point
×1
points
×1
resize
×1
solvePnP
×1
standardizing
×1
stereo
×1
Thresholding
×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
×