Questions - OpenCV Q&A Forum

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2020-10-13 01:32:43 -0600 berak

findChessboardCorners and findCirclesGrid don't work on large image?

169

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2020-08-31 07:21:07 -0600 berak

Can anyone please tell me what could be the best algorithm for presence absence detection

409

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-1

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2020-07-11 22:48:56 -0600 despair104

How to solve this? (finding an image)

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2020-02-26 11:08:34 -0600 timkindberg

Fewer, larger features with ORB?

642

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

Combining KAZE keypoints with SIFT descriptors?

195

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2019-10-24 04:12:47 -0600 Roysorus

What's the size of the patch used to get a feature with HarrisLaplaceFeatureDetector

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2019-10-22 09:11:37 -0600 luckytiger_21

Can Letters or strings be used as a feature that used to track an object?

336

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2019-10-17 16:39:07 -0600 Thor_Bux

Optimize feature detection and tracking

261

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

What are Octaves and Sub levels in KAZE and AKAZE?

141

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1

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2019-05-08 06:01:36 -0600 Balaji R

Feature Detection Module output not matching with Optimization mode Enabled

143

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2019-05-03 04:41:08 -0600 iveccc

Better approach to locate/segment a band in a noisy image

133

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2019-04-24 15:47:39 -0600 LiorA

Feature Detection Functioning Explanation

feature-detection

201

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2019-03-25 07:47:11 -0600 Pragyan

How to apply Ransac on segments and plot them

808

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1

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

how to draw lines for feature match within the same image

89

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2019-02-12 11:56:20 -0600 newlearner1994

Different feature descriptor and extractor

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1

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2018-12-12 02:11:22 -0600 Rakshith

Use OpenCL feature detector.

230

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2018-10-29 08:12:58 -0600 mrath

Biased/constrained object pose in 2D

139

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2018-10-16 20:39:45 -0600 ashikaumanga

GPU SURF : What is the keypointsRatio parameter?

241

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2

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2018-08-08 07:22:58 -0600 irene

FastFeatureDetector does not detect sharp corners

124

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2018-07-04 14:49:38 -0600 SAKhan

Repeatability of Feature Detector: Maximum Value Overlap Error

322

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no

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2018-03-29 13:39:35 -0600 dwarf

Detection and tracking of 2d rotating sprites.

933

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2017-11-28 10:30:30 -0600 User007

Achieve better accuracy in Feature Matching + Homography (using a webcam)

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2017-11-26 07:28:48 -0600 kzbr93

how to make bounding box on surf features ?

155

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1

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2017-10-23 02:02:37 -0600 Sanchopanza

Theory behind Feature2D modul; substitute Descriptors/Detectors

286

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1

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2017-10-11 10:47:39 -0600 shelpermisc

out of calibration detection and re-calibration for stereo cam

458

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2017-10-08 14:46:54 -0600 saif92

detect a object by feature matching using FLANN

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2017-10-03 02:10:16 -0600 leafdet

Ideas needed for Leaf Detection

109

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no

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2017-08-09 21:49:50 -0600 Marichelo

Is it possible to send as a parameter the number of features to detect in SURF?

53

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no

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no

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2017-07-23 20:36:52 -0600 flyingdutchman

Substitute for the defunct DynamicAdaptedFeatureDetector?

feature-detection

157

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no

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no

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2017-06-28 07:09:54 -0600 snehal

77 questions

findChessboardCorners and findCirclesGrid don't work on large image?

Can anyone please tell me what could be the best algorithm for presence absence detection

How to solve this? (finding an image)

Fewer, larger features with ORB?

Combining KAZE keypoints with SIFT descriptors?

What's the size of the patch used to get a feature with HarrisLaplaceFeatureDetector

Can Letters or strings be used as a feature that used to track an object?

Optimize feature detection and tracking

What are Octaves and Sub levels in KAZE and AKAZE?

Feature Detection Module output not matching with Optimization mode Enabled

Better approach to locate/segment a band in a noisy image

Feature Detection Functioning Explanation

How to apply Ransac on segments and plot them

how to draw lines for feature match within the same image

Different feature descriptor and extractor

Use OpenCL feature detector.

Biased/constrained object pose in 2D

GPU SURF : What is the keypointsRatio parameter?

FastFeatureDetector does not detect sharp corners

Repeatability of Feature Detector: Maximum Value Overlap Error

Detection and tracking of 2d rotating sprites.

Achieve better accuracy in Feature Matching + Homography (using a webcam)

how to make bounding box on surf features ?

Theory behind Feature2D modul; substitute Descriptors/Detectors

out of calibration detection and re-calibration for stereo cam

detect a object by feature matching using FLANN

Ideas needed for Leaf Detection

Is it possible to send as a parameter the number of features to detect in SURF?

Substitute for the defunct DynamicAdaptedFeatureDetector?

How to find depth of gray image?

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