Questions - OpenCV Q&A Forum

268

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2020-07-12 16:24:23 -0600 muroromoi

Finding a complex template on a image

173

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no

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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

381

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2020-08-29 00:48:09 -0600 berak

Where to find implementation of BFMatcher::match

451

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

findChessboardCorners and findCirclesGrid don't work on large image?

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3

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2014-01-07 19:37:23 -0600 jm

Symbol detection/classification

432

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no

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2013-11-15 04:36:57 -0600 viratan

Training Kd tree for object detection android

343

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2014-02-20 11:44:46 -0600 Will Stewart

How to detect a fallen person with a camera image?

1k

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2014-03-01 08:14:06 -0600 Guanta

Question about Bag of Words, detectors, and such

856

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2014-04-08 07:19:16 -0600 Kevin B.

What's the best feature matcher for pairs of very similar images?

469

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2014-10-29 15:57:37 -0600 petititi

Categorizing lines on a shirt

495

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2015-04-11 07:07:30 -0600 FooBar

What happens if there's not enough key points to match?

5k

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no

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2015-09-09 15:28:33 -0600 Leo_

Matching HOG Images with OpenCV in C++ [closed]

2k

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3

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2015-09-26 03:28:28 -0600 Leo_

Template Matching for Coins

5k

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1

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2015-10-14 07:36:38 -0600 berak

Compute Dense SIFT features in OpenCV 3.0

3k

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1

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2015-10-23 08:49:08 -0600 theodore

Detecting touching objects

2k

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1

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2015-11-24 05:10:57 -0600 pklab

Detect variations of a subimage in image

2k

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no

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2015-12-26 07:45:41 -0600 RR14

How to calculate Similarity Rate of 2 feature matching.

1k

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2016-02-12 07:59:36 -0600 501 - not implemented

looking for a database to store descriptors of image features

217

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2016-02-26 09:47:01 -0600 a.francesconi

Get a score for each detected circle using HoughCircles

438

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2016-03-20 12:33:44 -0600 Tetragramm

(3.1.0) Detected FAST keypoints offset from image

341

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no

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1

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2016-04-04 01:34:23 -0600 NathanSn

OpenCV BoW assert error while computing histograms for SVM training

977

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2016-07-18 07:51:40 -0600 ManuKaracho

Preprocess images before feature detection? [closed]

297

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

out of calibration detection and re-calibration for stereo cam

156

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no

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1

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

Theory behind Feature2D modul; substitute Descriptors/Detectors

2k

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2

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1

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2018-02-14 05:07:06 -0600 VxW

Detect crossing lines at a single point

1k

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1

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1

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2018-10-09 09:46:36 -0600 berak

Segmentation fault with ORB feature extractor

1k

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no

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1

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

Use OpenCL feature detector.

836

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

how to draw lines for feature match within the same image

142

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no

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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

959

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no

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2

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2014-05-04 03:34:38 -0600 rednaks

160 questions

Finding a complex template on a image

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

Where to find implementation of BFMatcher::match

findChessboardCorners and findCirclesGrid don't work on large image?

Symbol detection/classification

Training Kd tree for object detection android

How to detect a fallen person with a camera image?

Question about Bag of Words, detectors, and such

What's the best feature matcher for pairs of very similar images?

Categorizing lines on a shirt

What happens if there's not enough key points to match?

Matching HOG Images with OpenCV in C++ [closed]

Template Matching for Coins

Compute Dense SIFT features in OpenCV 3.0

Detecting touching objects

Detect variations of a subimage in image

How to calculate Similarity Rate of 2 feature matching.

looking for a database to store descriptors of image features

Get a score for each detected circle using HoughCircles

(3.1.0) Detected FAST keypoints offset from image

OpenCV BoW assert error while computing histograms for SVM training

Preprocess images before feature detection? [closed]

out of calibration detection and re-calibration for stereo cam

Theory behind Feature2D modul; substitute Descriptors/Detectors

Detect crossing lines at a single point

Segmentation fault with ORB feature extractor

Use OpenCL feature detector.

how to draw lines for feature match within the same image

Feature Detection Module output not matching with Optimization mode Enabled

ORB not detecting any keypoint [closed]

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