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
31 questions
Tagged
corners
×
236
views
no
answers
no
votes
2020-06-26 03:25:41 -0600
supra56
What specifically are the corners and sizes used by cv.detail.resultRoi()?
blending
stitching
corners
sizes
634
views
2
answers
no
votes
2020-06-08 08:53:08 -0600
kbarni
find corners coordinates of a circle grid
circlegrid
corners
970
views
no
answers
no
votes
2019-09-24 08:04:31 -0600
bartley
How to find the true corner points of a binary object for robot object following purposes
machine-vision
contours
Bounding_Box
corners
1k
views
no
answers
no
votes
2019-07-11 03:59:56 -0600
thewoz
find4QuadCornerSubpix vs cornerSubPix
cornersubpix
ChessboardCorners
corners
727
views
no
answers
no
votes
2019-01-23 10:33:58 -0600
Der Luftmensch
Thermal Calibration Pattern Detection
filter2D
Convolution
LWIR
calibration
corners
Hough
1k
views
no
answers
1
vote
2018-08-11 09:09:34 -0600
sazr
How does findChessboardCorners() find its corners
corners
ChessboardCorners
CornerDetection
120
views
no
answers
2
votes
2018-04-10 08:51:02 -0600
zachsents
Detecting corners in webcam image
contours
corners
341
views
no
answers
no
votes
2017-12-05 08:14:25 -0600
opencvslave
How to get the underlying corner detection uncertainty of findChessboardCorners
covariance
uncertainty
findChessboardCorne
corners
cornerHarris
2k
views
1
answer
no
votes
2017-09-23 11:30:38 -0600
Tetragramm
Aruco markers with openCv, get the 3d corner coordinates?
aruco
corners
coordinates
2k
views
1
answer
no
votes
2016-12-19 17:36:37 -0600
Tetragramm
How to get the pixel coordinates of 4 corners points of (quasi) rectangle in image?
corners
11k
views
1
answer
no
votes
2016-11-29 07:18:14 -0600
TiBe
Find Corners of a contour
contours
corner-detection
corners
1k
views
1
answer
no
votes
2016-10-12 13:25:12 -0600
x10s
Camera pose (pitch, roll, yaw) from observing ceiling from two different positions
pose-estimation
homography
corners
1k
views
1
answer
no
votes
2016-07-19 02:22:30 -0600
dandur
How to remove unwanted corners in images?
cvWarpPerspective
corners
transparent
combine
756
views
no
answers
no
votes
2016-03-07 09:16:04 -0600
ThomCastel
goodfeaturestotrack corner vector size
goodFeaturesToTrack
corners
videostab
372
views
no
answers
1
vote
2015-04-14 10:12:23 -0600
Eman AlBasiouny
Using FAST corner detector to extract rectangles
corners
310
views
no
answers
no
votes
2015-03-19 15:49:11 -0600
antithing
can I convert 2d features into 3d points?
object-tracking
object-points
c++
corners
847
views
no
answers
no
votes
2014-04-07 19:35:38 -0600
ausdigi
Problems with cvFindCornerSubPix results
corners
cornersubpix
328
views
no
answers
no
votes
2014-03-21 07:51:25 -0600
zaaa
Using Optical flow to track colour markers
calcOpticalFlowPyrLK
tracking
markers
corners
3k
views
2
answers
no
votes
2014-03-21 06:42:04 -0600
chandran
findChessBoardCorners work on some images but fail in others
opencv
checkerdboard
corners
chessboard
4k
views
1
answer
1
vote
2013-07-17 07:35:56 -0600
StevenPuttemans
findChessboardCorners is NOT working for calibration images
calibration
corners
327
views
no
answers
no
votes
2013-07-10 10:23:43 -0600
jiapei100
Detect Corners Using cornerHarris ?
cornerHarris
corners
1k
views
1
answer
no
votes
2013-06-20 16:29:08 -0600
Ouroboros
Best method for detecting multiple white ovals on black background
blob-detection
corners
performance
8k
views
2
answers
6
votes
2013-05-16 20:20:19 -0600
RaulPL
Object recognition by edge (or corners) matching ?
edges
objectdection
corners
2k
views
2
answers
2
votes
2013-04-24 07:31:52 -0600
zerog80
How to detect page corners using openCV
C++.OpenCV
ios
corners
objective-c
4k
views
1
answer
-1
votes
2013-04-14 14:19:03 -0600
Guanta
SIFT descriptors with Harris corner detector
SIFT
corners
704
views
no
answers
2
votes
2013-04-11 04:53:11 -0600
rafael.soledade
ORB Keypoint response calculation
opencv
corners
keypoint
2k
views
1
answer
no
votes
2013-04-09 10:05:46 -0600
Mathieu Barnachon
Large number of chessboard corners and camera calibration
calibrateCamera
chessboard
corners
python
6k
views
2
answers
3
votes
2012-09-13 04:03:16 -0600
Ben
Find image inside of another (corners detection?)
features
corners
emgucv
Find
image
1k
views
1
answer
1
vote
2012-09-08 09:44:05 -0600
Rui Marques
Outsider seeking advice on cuboid detection & robot localization
localization
objectdetection
geometricprimitive
corners
advice
robotics
2k
views
1
answer
4
votes
2012-08-10 02:19:47 -0600
Ilya Lysenkov
Why does camera calibration work on one image but not on a (very similar) other image?
camera
calibration
chessboard
corners
1
2
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
corners
×30
calibration
×3
chessboard
×3
contours
×3
ChessboardCorners
×2
cornerHarris
×2
cornersubpix
×2
opencv
×2
advice
×1
aruco
×1
blending
×1
blob-detection
×1
Bounding_Box
×1
c++
×1
calcOpticalFlowPyrLK
×1
calibrateCamera
×1
camera
×1
checkerdboard
×1
circlegrid
×1
combine
×1
Convolution
×1
coordinates
×1
C++.OpenCV
×1
corner-detection
×1
CornerDetection
×1
covariance
×1
cvWarpPerspective
×1
edges
×1
emgucv
×1
features
×1
filter2D
×1
Find
×1
findChessboardCorne
×1
geometricprimitive
×1
goodFeaturesToTrack
×1
homography
×1
Hough
×1
image
×1
ios
×1
keypoint
×1
localization
×1
LWIR
×1
machine-vision
×1
markers
×1
objectdection
×1
objectdetection
×1
objective-c
×1
object-points
×1
object-tracking
×1
performance
×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
×
