Questions - OpenCV Q&A Forum

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3

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13

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2018-06-11 19:14:03 -0600 Steven P. Goldsmith

Creating Regions of Interest (ROI) by clustering fragmented contours

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1

answer

10

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2017-12-04 19:52:42 -0600 sjhalayka

How to find a "contour" of 3d object?

3d
contours

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4

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6

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2012-07-05 07:03:38 -0600 Michael Burdinov

Area of a single pixel object in OpenCV

14k

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1

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5

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2014-04-10 04:46:57 -0600 berak

Sorting contours from left to right and top to bottom

20k

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2

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4

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2018-12-05 01:36:53 -0600 sturkmen

How to resize a contour?

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3

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2012-12-28 02:34:08 -0600 Michael Burdinov

cv::findContours, unable to find contours

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2014-03-09 20:47:31 -0600 MarkH

Fastest Method to Loop Through Contour Pixels [closed]

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3

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2016-09-30 08:05:36 -0600 Davide_sd

Detection of contours intersections

1k

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no

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3

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2016-12-01 21:26:22 -0600 ipesanz

Quality control system for eraser factory

3k

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3

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3

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2017-12-12 10:36:05 -0600 sjhalayka

How to determine length of spline (e.g. snake)

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3

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2019-12-03 07:24:10 -0600 patil.kshitij

How to split a contour in to open arcs?

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1

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2

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2012-07-04 08:56:49 -0600 Vadim Pisarevsky

Which is more efficient, use contourArea() or count number of ROI non-zero pixels?

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2

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2012-12-18 11:58:21 -0600 Gabriele

SimpleBlobDetector and blob contours

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no

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2

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2013-07-08 07:35:12 -0600 Mostafa Sataki

findContours Problems with CV_RETR_CCOMP & CV_RETR_FLOODFILL

19k

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1

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2

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2013-08-26 10:04:01 -0600 lenteken

Count the pixel (black or white) in real time.

7k

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4

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2

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2017-08-09 08:22:04 -0600 Ziri

How to compare two contours Translated from one another?

3k

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1

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2

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2014-02-28 13:53:07 -0600 Will Stewart

Motion detection false alarms from light changes

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2014-03-19 14:23:37 -0600 Isa

How to find the best match between two curves, part-to-whole

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2

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2014-06-17 07:45:47 -0600 Goosebumps

Split connected blobs

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2

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2

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2014-07-17 04:50:49 -0600 FooBar

How to compute intersections of two contours

6k

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1

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2

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2016-05-21 14:31:32 -0600 sturkmen

Contours sorting.

780

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1

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2

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2015-01-27 06:43:28 -0600 Pedro Batista

Contours. What are those really?

contours

8k

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3

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2

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2015-02-26 06:27:07 -0600 berak

Draw lines from centroid of contour at given angle till edge of contour

4k

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1

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2

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2015-06-06 13:21:47 -0600 Eduardo

get Center of nearby contours ??

928

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1

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2

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2017-01-12 20:30:21 -0600 jpistorino

Matching Partially Occluded/Non-Textured Shapes

3k

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1

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2

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2017-11-28 12:41:26 -0600 opalmirror

How to remove background of a selected contour

1k

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1

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2

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2017-12-21 19:04:12 -0600 sjhalayka

Find branching points in traces of glowing particles

contours

3k

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1

answer

2

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2017-12-20 11:25:12 -0600 Pedro Batista

Building contours from points

511

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no

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2

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2018-01-25 18:39:03 -0600 dkeidel

Group or select contours based on location in the image

contours

92

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no

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2

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2018-04-10 08:51:02 -0600 zachsents

244 questions

Creating Regions of Interest (ROI) by clustering fragmented contours

How to find a "contour" of 3d object?

Area of a single pixel object in OpenCV

Sorting contours from left to right and top to bottom

How to resize a contour?

cv::findContours, unable to find contours

Fastest Method to Loop Through Contour Pixels [closed]

Detection of contours intersections

Quality control system for eraser factory

How to determine length of spline (e.g. snake)

How to split a contour in to open arcs?

Which is more efficient, use contourArea() or count number of ROI non-zero pixels?

SimpleBlobDetector and blob contours

findContours Problems with CV_RETR_CCOMP & CV_RETR_FLOODFILL

Count the pixel (black or white) in real time.

How to compare two contours Translated from one another?

Motion detection false alarms from light changes

How to find the best match between two curves, part-to-whole

Split connected blobs

How to compute intersections of two contours

Contours sorting.

Contours. What are those really?

Draw lines from centroid of contour at given angle till edge of contour

get Center of nearby contours ??

Matching Partially Occluded/Non-Textured Shapes

How to remove background of a selected contour

Find branching points in traces of glowing particles

Building contours from points

Group or select contours based on location in the image

Detecting corners in webcam image

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