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
39 questions
Tagged
Keypoints
×
2k
views
no
answers
no
votes
2013-01-29 08:37:03 -0600
Notas
OpenCL BruteForceMatcher slow and faulty
opencl
bruteforcematcher
Keypoints
765
views
no
answers
no
votes
2013-02-19 15:17:25 -0600
Guido
Why SIFT detector returns duplicate keypoints ?
Keypoints
detector
SIFT
622
views
no
answers
1
vote
2013-08-14 11:11:41 -0600
mada
Storing feature information (keypoints, descriptors)
SURF
Keypoints
descriptors
gpu
505
views
no
answers
no
votes
2014-02-25 06:08:47 -0600
CurlyB
OpenCV SURFDetector Range of minHessian
SURF
Keypoints
hessian
keypoint-matching
feature-detection
319
views
no
answers
no
votes
2015-03-21 13:48:16 -0600
antithing
keypoints and index numbers
BlobDetection
Keypoints
235
views
no
answers
no
votes
2015-05-12 18:43:19 -0600
Metalzero2
What do "KeyPoint" contain when used with 2D feature detectors
SIFT
SURF
KAZE
ORB
keypoint-matching
Keypoints
129
views
no
answers
no
votes
2015-05-25 11:45:13 -0600
Potato
What does the Mat of descriptors represent in a feature/descriptor extractor?
descriptor
Keypoints
SURF
160
views
no
answers
no
votes
2015-08-26 05:27:29 -0600
Salman
Keypoints and Descriptors in SURF
SURF
Keypoints
descriptors
116
views
no
answers
no
votes
2016-02-07 21:48:19 -0600
JasonHonduras
Best Approach to key point /descriptor comparison
SURF
Keypoints
470
views
no
answers
no
votes
2016-03-04 14:41:13 -0600
jameslee
Unhandled exception error in FlannBasedMatcher
FlannBasedMatcher
FeatureMatcher
SURF
unhandled-exception
Keypoints
descriptor
326
views
no
answers
1
vote
2016-12-12 10:16:07 -0600
kbarni
Matching images of leafs
Leaf
Keypoints
5k
views
no
answers
no
votes
2019-09-03 05:03:55 -0600
lars27
ORB detector Segmentation Fault - Python [closed]
python
ORB
featuredetector
Keypoints
segmentation_fault
core_dumped
276
views
no
answers
no
votes
2019-10-04 10:44:26 -0600
WolfG
SURF feature detector detects no keypoints
SURF
feature
detector
detects
no
Keypoints
140
views
no
answers
no
votes
2020-03-20 11:58:21 -0600
SylvainArd
keypoints detection
Keypoints
detection
machinelearning
1k
views
1
answer
no
votes
2012-07-13 10:01:17 -0600
XCoder
How to write Keypoints into document of txt
Keypoints
Txt
format
1k
views
1
answer
2
votes
2012-07-20 07:38:48 -0600
imran
Compiling freak_demo.cpp - error
freak
cpp
Keypoints
1k
views
1
answer
1
vote
2012-07-23 11:00:37 -0600
Kirill Kornyakov
How do FREAK\SIFT\SURF verify that two images are the same
freak
Keypoints
face
1k
views
1
answer
3
votes
2012-08-17 09:09:36 -0600
gfuhr
How to recognize detection fact
detection
homography
svd
Keypoints
816
views
1
answer
3
votes
2012-09-14 03:17:39 -0600
dagi
BRISK Feature Detector detects no keypoints
brisk
feature-detection
Keypoints
2k
views
1
answer
1
vote
2012-10-10 09:54:42 -0600
Ben
Multiple object detection with 2D features and homography?
objectdetection
Keypoints
features2d
6k
views
1
answer
2
votes
2012-10-12 09:13:52 -0600
Vladislav Vinogradov
Filtering matches by keypoint coordinates
Opencv2-4-2
Keypoints
DMatch
match
Video
9k
views
1
answer
4
votes
2012-11-11 10:19:25 -0600
Simone
To save vector "KeyPoint" to file using builtin write function
vector
Keypoints
KeyPoint+SIFT
Opencv2-4-2
features2d
1k
views
1
answer
1
vote
2013-02-22 00:33:48 -0600
Alexander Smorkalov
How to set a ROI for good feature detector?
roi
goodFeaturesToTrack
Keypoints
632
views
1
answer
no
votes
2013-03-19 08:18:44 -0600
Guanta
Is it possible to generate key points from points tracked optical flow?
Keypoints
features
extraction
Optical
Flow
308
views
1
answer
no
votes
2013-06-08 06:00:31 -0600
Guanta
match icons, grafical illustration etc.
match
LOGO
icon
Keypoints
312
views
1
answer
2
votes
2013-08-10 14:21:21 -0600
GilLevi
Brisk does not calculate orientation when keypoints are provided
brisk
Keypoints
2k
views
1
answer
no
votes
2013-12-17 08:27:07 -0600
Moster
KeyPoints&DMatch - What does distance stands for?
#opencv#c++
DMatch
Keypoints
distance
10k
views
1
answer
1
vote
2014-10-31 15:26:46 -0600
Doombot
Understanding findHomography Mask
findHomography
Keypoints
749
views
1
answer
1
vote
2014-10-06 09:29:38 -0600
Siegfried
SIFT detector returns duplicate keypoints
SIFT
detector
duplicate
Keypoints
Angle
1k
views
1
answer
1
vote
2015-03-22 09:16:12 -0600
Guanta
Select Keypoints with mouse
setMouseCallback
Keypoints
1
2
next page »
Links
Official site
GitHub
Wiki
Documentation
Contributors
Tags
Keypoints
×30
SURF
×8
detector
×3
SIFT
×3
brisk
×2
descriptor
×2
descriptors
×2
detection
×2
DMatch
×2
feature-detection
×2
features2d
×2
freak
×2
keypoint-matching
×2
match
×2
Opencv2-4-2
×2
ORB
×2
Angle
×1
BlobDetection
×1
bruteforcematcher
×1
core_dumped
×1
cpp
×1
detects
×1
distance
×1
duplicate
×1
extraction
×1
face
×1
feature
×1
featuredetector
×1
FeatureMatcher
×1
features
×1
findHomography
×1
FlannBasedMatcher
×1
Flow
×1
format
×1
goodFeaturesToTrack
×1
gpu
×1
hessian
×1
homography
×1
icon
×1
KAZE
×1
KeyPoint+SIFT
×1
LOGO
×1
machinelearning
×1
no
×1
objectdetection
×1
opencl
×1
#opencv#c++
×1
Optical
×1
python
×1
roi
×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
×
