Questions - OpenCV Q&A Forum

985

views

no

answers

no

votes

2020-10-08 03:15:34 -0600 Steven.Dragoz

ORB Keypoints Minimum distance?

1k

views

1

answer

no

votes

2020-05-15 05:46:49 -0600 HYPEREGO

Find average distance between 2 matched keypoints (after using findHomography() mask) c++

keypoint-matching

642

views

no

answers

no

votes

2019-11-27 12:58:22 -0600 Karido

Combining KAZE keypoints with SIFT descriptors?

141

views

1

answer

no

votes

2019-10-06 03:18:29 -0600 berak

How do you compare the x and y differences of feature points in two different images

keypoint-matching

261

views

no

answers

no

votes

2019-07-30 09:36:13 -0600 kdk2612

What are Octaves and Sub levels in KAZE and AKAZE?

808

views

no

answers

1

vote

2019-03-24 03:54:54 -0600 Pragyan

how to draw lines for feature match within the same image

485

views

1

answer

2

votes

2018-12-06 05:44:54 -0600 Grillteller

Guidance on landscape image recognition

432

views

1

answer

no

votes

2019-11-10 09:52:35 -0600 Shengyang.CHEN

List KeyPoint missing queryIdx

122

views

no

answers

no

votes

2018-01-25 14:49:38 -0600 okramer

What is the sampling radius used to compute a binary descriptor?

663

views

1

answer

no

votes

2018-01-09 22:44:18 -0600 Tetragramm

Cropping keypoints vs. cropping image and finding keypoints

344

views

1

answer

no

votes

2017-09-17 12:21:50 -0600 newt

Find ROI on an image from given reference

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?

965

views

no

answers

no

votes

2016-06-11 04:04:59 -0600 Siddharth Kamaria

Finding damages in the image using Feature Matching

610

views

no

answers

no

votes

2016-06-06 09:50:12 -0600 aripod

Coordinates of keypoints using FLANN matcher

keypoint-matching

6k

views

3

answers

1

vote

2020-07-24 10:46:51 -0600 Dail

ORB keypoints distribution over an image

609

views

no

answers

no

votes

2016-04-02 13:56:13 -0600 fgnm

Simplest way to do an image registration

1k

views

1

answer

4

votes

2016-03-16 05:02:13 -0600 strann

SURF on CUDA: every execution produces different + weird results for some images?

821

views

1

answer

1

vote

2016-02-03 08:24:40 -0600 501 - not implemented

cluster similar keypoints in a set of near similar images

88

views

no

answers

no

votes

2016-01-12 05:12:37 -0600 dpwicaksa

method for bi-color feature detection and matching

1k

views

no

answers

no

votes

2016-01-09 05:06:36 -0600 dpwicaksa

Feature detection and matching for localization (openCV.3)

648

views

no

answers

-1

votes

2015-11-03 07:15:16 -0600 Priyanka

OpenCV Error: Incorrect size of input array (Non-positive width or height) in unknown function, file ..\..\..\src\opencv\modules\core\src\array.cpp, line 113

keypoint-matching

1k

views

1

answer

2

votes

2015-06-23 07:43:25 -0600 R.Saracchini

feature matching video stream?

659

views

1

answer

1

vote

2015-05-20 16:38:25 -0600 maystroh10

Compute SURF/SIFT descriptors of non key points

235

views

no

answers

no

votes

2015-05-12 18:43:19 -0600 Metalzero2

What do "KeyPoint" contain when used with 2D feature detectors

1k

views

no

answers

no

votes

2015-02-13 10:31:49 -0600 Doombot

Subpixel location of keypoints. Why?

2k

views

no

answers

no

votes

2015-01-28 20:06:26 -0600 Mehdi

Fast outliers detection

168

views

no

answers

1

vote

2015-01-29 10:11:06 -0600 Doombot

Minimal number of keypoint-descriptors

89

views

no

answers

no

votes

2014-12-24 21:29:51 -0600 Adam Cavendish

How can I do knnMatch in a small window

keypoint-matching

2k

views

no

answers

no

votes

2014-05-17 07:21:35 -0600 Guian

OpenCV DescriptorMatcher match error. Wrong KeyPoints Descriptor type?

1k

views

no

answers

no

votes

2014-05-02 06:58:46 -0600 jpl

37 questions

ORB Keypoints Minimum distance?

Find average distance between 2 matched keypoints (after using findHomography() mask) c++

Combining KAZE keypoints with SIFT descriptors?

How do you compare the x and y differences of feature points in two different images

What are Octaves and Sub levels in KAZE and AKAZE?

how to draw lines for feature match within the same image

Guidance on landscape image recognition

List KeyPoint missing queryIdx

What is the sampling radius used to compute a binary descriptor?

Cropping keypoints vs. cropping image and finding keypoints

Find ROI on an image from given reference

Match 2d keypoints to 3d Triangulated points using three sets of descriptors?

Finding damages in the image using Feature Matching

Coordinates of keypoints using FLANN matcher

ORB keypoints distribution over an image

Simplest way to do an image registration

SURF on CUDA: every execution produces different + weird results for some images?

cluster similar keypoints in a set of near similar images

method for bi-color feature detection and matching

Feature detection and matching for localization (openCV.3)

OpenCV Error: Incorrect size of input array (Non-positive width or height) in unknown function, file ..\..\..\src\opencv\modules\core\src\array.cpp, line 113

feature matching video stream?

Compute SURF/SIFT descriptors of non key points

What do "KeyPoint" contain when used with 2D feature detectors

Subpixel location of keypoints. Why?

Fast outliers detection

Minimal number of keypoint-descriptors

How can I do knnMatch in a small window

OpenCV DescriptorMatcher match error. Wrong KeyPoints Descriptor type?

Brute force matcher vs knn+RANSAC, which is better?

Links

Contributors

Tags