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68 questions
Tagged
features2d
×
2k
views
1
answer
4
votes
2012-08-16 22:21:39 -0600
wmlong
How to control Dense SIFT
Opencv2.4.2
features2d
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
1k
views
1
answer
no
votes
2012-10-26 05:39:52 -0600
Rui Marques
features2d usage issue (in mexopencv)
SURF
FlannBasedMatcher
features2d
threshold
1k
views
1
answer
1
vote
2012-10-31 14:09:04 -0600
Maria Dimashova
The detect feature of SIFT/SURF always breaks code
SIFT
Opencv2-4-2
SURF
features2d
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
496
views
1
answer
no
votes
2012-11-13 03:34:13 -0600
Ekalic
FernDescriptorMatcher
objectdection
descriptor
Legacy
features2d
467
views
1
answer
1
vote
2012-11-22 10:55:55 -0600
Maria Dimashova
FeatureDetector giving conversion error on image set
SIFT
vector
features2d
2k
views
1
answer
1
vote
2013-04-16 12:46:39 -0600
StevenPuttemans
matching causes assertion error (Features2d + Homography example) Android jni
android
features2d
ORB
fast
freak
jni
980
views
1
answer
2
votes
2013-12-15 23:31:29 -0600
me
Evaluate Feature Detectors
feature
detector
descriptor
features2d
keypoint
906
views
1
answer
1
vote
2012-12-10 15:51:23 -0600
ipunished
Unhandled exception while machine learning using NormalBayesClassifier
BOWTrainer
machinelearning
SIFT
features2d
clustering
500
views
1
answer
no
votes
2013-01-15 04:58:23 -0600
Alexander Smorkalov
generic_descriptor_match
features2d
Legacy
objectdetection
629
views
1
answer
1
vote
2013-03-18 09:02:17 -0600
Barry Thomas
what is the differences between lines and contours
C++.OpenCV
features2d
300
views
1
answer
1
vote
2013-03-28 15:23:51 -0600
Guanta
Keypoint Descriptor with different size on different computers
DescriptorExtractor
features2d
259
views
1
answer
no
votes
2013-04-04 00:46:00 -0600
Vladislav Vinogradov
GpuMat Storage of Descriptors
GpuMatrix
features2d
descriptor
CUDA
3k
views
1
answer
1
vote
2013-04-21 10:26:41 -0600
yes123
drawMatches bug
bug
features2d
569
views
1
answer
2
votes
2013-05-14 02:08:29 -0600
Nyenna
[Features2D] implementation differences of different Features Detectors/Extractors/Matchers
features2d
ORB
SURF
DescriptorMatcher
1k
views
1
answer
1
vote
2013-05-23 09:02:34 -0600
Ben
Various image features from a spectrogram
features2d
edge-detection
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
2k
views
1
answer
4
votes
2013-07-18 02:35:37 -0600
SR
BRISK feature detector giving poor results
brisk
featuredetector
detection
orientation
features2d
1k
views
1
answer
2
votes
2014-04-14 07:08:52 -0600
Vadim Pisarevsky
OpenCV 2.4.7 GPL Licensing Issue with mser.cpp
#opencv#c++
features2d
577
views
1
answer
no
votes
2014-06-16 10:58:48 -0600
GilLevi
ORB number of keypoints
ORBFeatureDetector
ORB
features2d
opencv
576
views
1
answer
7
votes
2014-06-20 05:18:51 -0600
Mathieu Barnachon
Problems in adding a new descriptor to OpenCV
#binary
#descriptors
contribution
features2d
305
views
1
answer
1
vote
2014-06-27 10:00:28 -0600
GilLevi
Problem in implementing rotation invariant BRIEF
features2d
brief
#descriptors
DescriptorExtractor
23k
views
1
answer
2
votes
2015-02-10 10:55:08 -0600
Eduardo
How does the perspectiveTransform( ) function work?
perspectiveTransform
findHomography
features2d
objectdection
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
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
5k
views
2
answers
2
votes
2013-05-14 03:58:42 -0600
tulip_rc
feature detector crash
features2d
crash
detect
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