Questions - OpenCV Q&A Forum

6k

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2

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4

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2015-03-12 02:48:02 -0600 chengweige

Shape matching using fourier descriptor - Frequency domain

2k

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2

answers

1

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

Detect crossing lines at a single point

777

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1

answer

no

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2014-10-17 04:08:13 -0600 berak

Identify irregular forms.

shapedetection

340

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1

answer

no

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2015-10-05 02:05:39 -0600 David_86

Shape detection, why try several threshold levels?

572

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1

answer

1

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2016-01-27 18:12:55 -0600 SR

edge corners are not sharp with canny filter

1k

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1

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no

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2016-10-01 11:05:13 -0600 berak

Problem with contourArea return value

612

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1

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no

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2016-11-17 00:42:04 -0600 berak

Hi.. i'm new to opencv and trying shape detection. I have faced the following error "Unhandled exception (opencv_imgproc243d.dll) in ShapeDetection.exe " Can anyone knows how to solve this???

286

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2016-12-14 17:46:01 -0600 Tetragramm

Detection of the ceiling lighting shape

1k

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1

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no

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2016-12-23 02:12:47 -0600 Balaji R

Shape identification C++

shapedetection

507

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1

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no

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2017-07-02 05:00:17 -0600 KjMag

How to isolate an arbitrary shape from noise?

shapedetection

1k

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1

answer

1

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2017-08-21 11:43:36 -0600 m3rt

Detecting 16 squares in a live video in Python

840

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1

answer

-1

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2017-10-05 06:43:00 -0600 LBerger

How to detect the same object with different shapes in an image?

1k

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1

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no

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2017-11-09 08:22:50 -0600 eshirima

Shape detection using opencv and java

547

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1

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no

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2018-02-12 12:07:23 -0600 ya_ocv_user

Have we chosen a viable approach? Wood ring orientation recognition

272

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1

answer

no

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2018-03-26 07:08:40 -0600 StevenPuttemans

Hand Drawing Shape OpenCV/Canvas (HELP!)

1k

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1

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no

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2018-06-11 21:25:37 -0600 Tetragramm

object detection and tracking at known background

801

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1

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no

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2018-07-02 23:17:24 -0600 dkurt

Identify people (not from face?)

2k

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1

answer

1

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2020-09-10 01:13:30 -0600 sturkmen

Replace Color of Components that have specific color and are have transparent pixels as neighbours

849

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no

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3

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2014-03-11 00:17:42 -0600 ram

shape detection and 3d model

shapedetection

180

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no

answers

no

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2014-04-10 05:10:25 -0600 john1991

Object Recognition question please help [closed]

427

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no

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no

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2014-06-03 04:23:42 -0600 berak

javacv compare 2 custom shapes

758

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no

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7

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2015-01-16 05:47:52 -0600 ricbra

Is it possible to identify fish by scale pattern with OpenCV? [closed]

764

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no

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no

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2015-05-02 04:44:49 -0600 cza-57

Matching shapes (especially characters) based on their histograms [closed]

801

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no

answers

no

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2015-06-02 09:05:06 -0600 rohit.guitar

Weed extraction algorithm 2D images

shapedetection

1k

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no

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no

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2015-07-07 11:34:26 -0600 Eduardo

How Does Contour Extraction Work?

539

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no

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no

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2015-10-10 04:52:38 -0600 bendesign55

Shape from motion or shape from silhouette?

872

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no

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no

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2015-12-27 12:58:40 -0600 zaloo

Object classification for rock paper scissors

440

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no

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1

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2016-01-25 11:04:40 -0600 spyderespirt0

Why do I keep getting rotated rect's when they are circles? [closed]

1k

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no

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no

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2016-01-25 12:54:07 -0600 spyderespirt0

How to detect an ellipse? [closed]

236

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no

answers

1

vote

2016-09-22 04:14:12 -0600 astronaut

How to detect heptagon object?

shapedetection

37 questions

Shape matching using fourier descriptor - Frequency domain

Detect crossing lines at a single point

Identify irregular forms.

Shape detection, why try several threshold levels?

edge corners are not sharp with canny filter

Problem with contourArea return value

Hi.. i'm new to opencv and trying shape detection. I have faced the following error "Unhandled exception (opencv_imgproc243d.dll) in ShapeDetection.exe " Can anyone knows how to solve this???

Detection of the ceiling lighting shape

Shape identification C++

How to isolate an arbitrary shape from noise?

Detecting 16 squares in a live video in Python

How to detect the same object with different shapes in an image?

Shape detection using opencv and java

Have we chosen a viable approach? Wood ring orientation recognition

Hand Drawing Shape OpenCV/Canvas (HELP!)

object detection and tracking at known background

Identify people (not from face?)

Replace Color of Components that have specific color and are have transparent pixels as neighbours

shape detection and 3d model

Object Recognition question please help [closed]

javacv compare 2 custom shapes

Is it possible to identify fish by scale pattern with OpenCV? [closed]

Matching shapes (especially characters) based on their histograms [closed]

Weed extraction algorithm 2D images

How Does Contour Extraction Work?

Shape from motion or shape from silhouette?

Object classification for rock paper scissors

Why do I keep getting rotated rect's when they are circles? [closed]

How to detect an ellipse? [closed]

How to detect heptagon object?

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