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how to use SIFT features for bag of words in opencv?

score 4547 · Answer 1 · 2015-06-19 00:36:47

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4547

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how to use SIFT features for bag of words in opencv?

4.5k views Asked by lionking At 19 June 2015 at 00:36

score 3684 · Answer 2 · 2016-12-14 16:57:31

Error: (-5) image is empty or has incorrect depth (!=CV_8U) in function detectAndCompute

3.6k views Asked by Essex At 14 December 2016 at 16:57

score 226 · Answer 3 · 2016-12-17 22:26:16

Unhandled exception in Visual studio 2012 opencv

226 views Asked by Vito At 17 December 2016 at 22:26

score 636 · Answer 4 · 2016-12-20 23:27:28

Why SIFT and SURF detects keypoint in white circle?

636 views Asked by Mat At 20 December 2016 at 23:27

score 332 · Answer 5 · 2016-12-28 16:01:34

Color band on SURF descriptors

332 views Asked by justHelloWorld At 28 December 2016 at 16:01

score 674 · Answer 6 · 2016-12-31 10:26:11

SIFT method give me bad results, recognizing 4 shapes

674 views Asked by heheszki At 31 December 2016 at 10:26

score 324 · Answer 7 · 2016-12-29 18:15:31

Identification/Classification using BOW and SVM

324 views Asked by user7355136 At 29 December 2016 at 18:15

score 11339 · Answer 8 · 2017-01-06 11:26:27

OpenCV : AttributeError: 'list' object has no attribute 'queryIdx'

11.3k views Asked by Essex At 06 January 2017 at 11:26

score 1055 · Answer 9 · 2017-01-09 15:05:15

How can PCA be used for SIFT or VLAD vectors?

1k views Asked by justHelloWorld At 09 January 2017 at 15:05

score 11887 · Answer 10 · 2014-11-11 00:55:25

Python+OpenCV 3 - Can't use SIFT

11.8k views Asked by Maxim At 11 November 2014 at 00:55

TechQA.

List Question

how to use SIFT features for bag of words in opencv?

Error: (-5) image is empty or has incorrect depth (!=CV_8U) in function detectAndCompute

Unhandled exception in Visual studio 2012 opencv

Why SIFT and SURF detects keypoint in white circle?

Color band on SURF descriptors

SIFT method give me bad results, recognizing 4 shapes

Identification/Classification using BOW and SVM

OpenCV : AttributeError: 'list' object has no attribute 'queryIdx'

How can PCA be used for SIFT or VLAD vectors?

Python+OpenCV 3 - Can't use SIFT

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