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240 questions

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1k
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1
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-1
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2018-10-06 05:10:24 -0600 berak

When I trying to run the code below i am getting error

209
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1
answer
no
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2019-03-25 07:51:12 -0600 berak

BRIEF and FREAK without SIFT and SURF

270
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1
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no
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2019-09-27 00:35:38 -0600 berak

Curious as to why keypoints in video of static room seem to come and go

1k
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1
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no
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2019-11-11 07:34:27 -0600 berak

Use sift and surf in latest release (4.1.1) on Ubuntu 18.04?

5k
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1
answer
1
vote
2020-03-08 12:41:59 -0600 berak

what is the patent status of surf/sift

286
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1
answer
no
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2020-04-05 11:21:18 -0600 simonesimo97

SIFT with very similar objects

3k
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1
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no
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2020-11-30 02:13:48 -0600 berak

Expired US patent on SIFT

6k
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2
answers
9
votes
2014-05-15 08:53:11 -0600 Y Simson

Best features to track fish underwater

7k
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2
answers
5
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2012-09-18 08:58:08 -0600 Piperoman

Replacing SIFT by FREAK

806
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2
answers
1
vote
2013-05-13 03:00:18 -0600 Shai

SIFT Feature Descriptor Doesn't Work With ORB Keypoinys

1k
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2
answers
2
votes
2013-01-18 07:06:40 -0600 Haris flag of India

ORB how-to.

2k
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2
answers
2
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2013-02-23 08:35:28 -0600 SR

KeyPoint size

2k
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2
answers
no
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2013-05-23 05:12:34 -0600 lanshan317

How to build and integrate nonfree modules for Android?

575
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2
answers
1
vote
2013-05-11 04:38:31 -0600 SR

good sift feature

831
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2
answers
no
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2014-10-19 08:46:27 -0600 Wangyida

crop patch around SIFT point

17k
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2
answers
3
votes
2013-11-27 03:30:10 -0600 Guanta

How can I convert vector<Point2f> to vector<KeyPoint>?

1k
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2
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no
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2014-10-24 05:23:09 -0600 wizardcsy

Why is SIFT faster than SURF ? It shouldn't be.

5k
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2
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no
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2014-11-11 09:24:15 -0600 dtmoodie

How to convert 2d into 3D image

18k
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2
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no
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2014-12-31 02:49:43 -0600 berak

3.0.0-Python cv2 module cannot find SIFT/SURF/ORB

569
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2
answers
no
votes
2015-02-09 04:12:12 -0600 Fiong

knnMatch in version 2.4.10

1k
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2
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no
votes
2017-01-10 19:56:57 -0600 lovaj

Dense SIFT in VLFeat and OpenCV integration

2k
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2
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no
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2017-06-14 11:33:32 -0600 swiss_knight

Does SIFT work the same on different images sizes?

27k
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2
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no
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2018-09-13 12:10:15 -0600 berak

How to use SIFT in python

1k
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2
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no
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2019-07-12 00:57:48 -0600 berak

Can i use sift/ surf features in python for my project, if yes how?

3k
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3
answers
no
votes
2019-06-05 13:06:27 -0600 Eduardo

How to calculate scale factor between two images (by SIFT matching)

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