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68 questions
Tagged
features2d
×
230
views
no
answers
-1
votes
2015-04-16 10:23:56 -0600
Ironhide526
Hi, I am beginner in OpenCV, so i download it and just for an example copied from the internet Background detection code, and i have only one error
normHamming
features2d
detection
motion-detection
capturefromCAM
opencv
904
views
1
answer
no
votes
2012-07-22 22:56:39 -0600
Martin Peris
feature tracking assertion fail error
calcOpticalFlowPyrLK
assertion
features2d
648
views
1
answer
no
votes
2012-07-23 10:53:39 -0600
Lacrymology
Segfault on feature detection
features2d
MSER
1k
views
1
answer
no
votes
2012-10-26 05:39:52 -0600
Rui Marques
features2d usage issue (in mexopencv)
SURF
FlannBasedMatcher
features2d
threshold
496
views
1
answer
no
votes
2012-11-13 03:34:13 -0600
Ekalic
FernDescriptorMatcher
objectdection
descriptor
Legacy
features2d
501
views
1
answer
no
votes
2013-01-15 04:58:23 -0600
Alexander Smorkalov
generic_descriptor_match
features2d
Legacy
objectdetection
1k
views
no
answers
no
votes
2013-01-21 03:27:44 -0600
hardboy111
iOS6 + Opencv (Latest Compile) Linker Only for classes in Feature2D module [closed]
iOS6
ios
linkerError
features2d
1k
views
no
answers
no
votes
2013-02-12 07:11:04 -0600
Abhinav
Issue while doing simple Template based feature detection
android
features2d
ORB
knnmatch
4k
views
no
answers
no
votes
2013-03-04 11:06:44 -0600
McBodik
BRISK vs ORB vs FREAK
features2d
259
views
1
answer
no
votes
2013-04-04 00:46:00 -0600
Vladislav Vinogradov
GpuMat Storage of Descriptors
GpuMatrix
features2d
descriptor
CUDA
251
views
no
answers
no
votes
2013-04-16 09:52:01 -0600
RaulPL
How to use GenericDescriptorMatcher?
DMatch
DescriptorMatcher
3dreconstruction
findFundamentalMat
features2d
589
views
1
answer
no
votes
2013-06-30 18:41:05 -0600
yes123
About the tutorial of finding image using Features2D + Homograph in openCV
features2d
Homograph
196
views
no
answers
no
votes
2013-08-13 08:09:41 -0600
AvSc
Changing Features2d parameters after construction
features2d
c++
97
views
no
answers
no
votes
2014-03-10 08:14:45 -0600
GilLevi
In which version the feature2d module was first implemented?
features2d
DescriptorExtractor
579
views
1
answer
no
votes
2014-06-16 10:58:48 -0600
GilLevi
ORB number of keypoints
ORBFeatureDetector
ORB
features2d
opencv
428
views
no
answers
no
votes
2015-05-22 18:05:14 -0600
WebSight
Multiple Objects Features2D
features2d
matching
1k
views
2
answers
no
votes
2015-09-28 16:29:42 -0600
SR
How to initialize a FeatureDetector with OpenCV 3?
opencv3
features2d
init
2k
views
1
answer
no
votes
2016-02-08 03:54:18 -0600
Eduardo
When will all feature detectors be implemented in opencv 3?
features2d
feature-detection
115
views
no
answers
no
votes
2016-08-20 06:10:35 -0600
Sayugo
Features2D return TRUE if 2 Mat are matches
features2d
DescriptorMatcher
1k
views
1
answer
no
votes
2016-09-16 02:33:18 -0600
Eduardo
features2d - xfeatures2d - nonfree differences in OpenCV 3.1.0
xfeatures2d
features2d
DAISY
nonfree
patent
License
1k
views
1
answer
no
votes
2017-07-04 15:07:18 -0600
Tetragramm
Tracking existing Keypoints across a video?
features2d
tracking
1k
views
1
answer
no
votes
2017-07-14 19:08:59 -0600
Tetragramm
Match 2d keypoints to 3d Triangulated points using three sets of descriptors?
solvePnP
features2d
keypoint-matching
tracking
triangulatePoints
197
views
no
answers
no
votes
2017-07-10 12:17:41 -0600
gfx
C++ opencv3 no ideas how to divide these thresholded image
c++
features2d
933
views
no
answers
no
votes
2017-11-28 10:30:30 -0600
User007
Achieve better accuracy in Feature Matching + Homography (using a webcam)
features2d
feature-detection
homography
findHomography
219
views
no
answers
no
votes
2019-10-30 17:45:11 -0600
SRG-FTL
How to choose the estimation algorithm for the findHomography() function?
RANSAC
findHomography
features2d
177
views
no
answers
no
votes
2020-09-23 05:03:17 -0600
PavelP
knnMatch/BFHamming bug or not?
knnmatch
features2d
ORB
akaze
c++
1k
views
1
answer
1
vote
2012-08-09 14:34:39 -0600
Ilya Lysenkov
where is the PatchGenerator in opencv2.4.2
features2d
Opencv2.4.2
3k
views
1
answer
1
vote
2012-08-23 07:36:05 -0600
Ben
how to calculate SIFT/SURF descriptor for 1 point?
SIFT
SURF
features2d
descriptor
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
2k
views
no
answers
1
vote
2012-10-17 12:29:44 -0600
anaid
batchDistance assert error
opencv4android
features2d
1
2
3
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