Questions - OpenCV Q&A Forum

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2015-11-28 02:59:53 -0600 pklab

Contour Approximation OpenCV

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2016-01-02 10:01:13 -0600 sturkmen

Draw Rectangle from Webcam with 2 largest object

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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]

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

edge corners are not sharp with canny filter

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2016-02-29 18:26:58 -0600 Jaggz

What steps for recognizing book pages, and flattening them.

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2016-04-30 11:34:31 -0600 sturkmen

(Best) way to track a circle with a cross inside

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2016-07-20 23:38:09 -0600 astronaut

Extract largest contour in very colorful image in OpenCV

contours
c++

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2016-08-08 07:20:24 -0600 essamzaky

How to sort contours left to right, while going top to bottom

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2016-08-02 06:14:55 -0600 avpai

counting the number of child contours inside a contour in opencv

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2016-09-08 06:11:52 -0600 StevenPuttemans

how to find the end point of a contour

contours

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2017-01-04 19:43:39 -0600 image detective

Detecting earth limb

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2017-01-17 09:03:43 -0600 mstankie

Closing contours with approxPolyDP or convexHull

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2017-06-19 06:33:48 -0600 khrizt

Problem when transporting points to a bigger image

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2017-04-10 06:02:50 -0600 StevenPuttemans

How to crop the rectangle part of the image?

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2017-04-10 06:48:54 -0600 StevenPuttemans

Draw line along countours path (moving object)

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2017-06-02 00:44:35 -0600 berak

How to Draw contours when have Chaincode (openCV)

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2017-06-20 11:58:34 -0600 matman

findcontour points order

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2017-08-11 09:17:37 -0600 eshirima

Removed contours aren't gone

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2017-08-13 21:24:47 -0600 sturkmen

How to remove overlapping contours

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2018-02-03 17:31:00 -0600 eshirima

If "contours" is vector<vector<Point> what are its elements?

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2020-08-13 22:51:08 -0600 jcrist

How to merge nearby rectangles

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2018-11-27 10:07:47 -0600 albertofernandez

How to get boundry and center information of a mask

contours

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2018-12-08 01:40:47 -0600 berak

Segmenting two contours into two different images of same size using openCV-python

contours

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no

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2019-08-28 06:58:00 -0600 wackoo

Finding a circle with a defective contour

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2020-04-11 01:58:25 -0600 hamsolo474

contourArea strange behaviour

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2020-06-14 11:26:45 -0600 sn4k3

Detect all black pixels inside a surrounded closed white area [closed]

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2020-06-18 04:35:09 -0600 berak

Difference in drawn result between cv2.drawContours and drawing contours with a loop

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2020-08-13 09:45:23 -0600 sturkmen

cv.findContours is connecting unconnected regions

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2020-09-13 03:28:30 -0600 sturkmen

Opencv multiple circle detection in a image

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2020-10-22 11:43:22 -0600 sturkmen

244 questions

Contour Approximation OpenCV

Draw Rectangle from Webcam with 2 largest object

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

edge corners are not sharp with canny filter

What steps for recognizing book pages, and flattening them.

(Best) way to track a circle with a cross inside

Extract largest contour in very colorful image in OpenCV

How to sort contours left to right, while going top to bottom

counting the number of child contours inside a contour in opencv

how to find the end point of a contour

Detecting earth limb

Closing contours with approxPolyDP or convexHull

Problem when transporting points to a bigger image

How to crop the rectangle part of the image?

Draw line along countours path (moving object)

How to Draw contours when have Chaincode (openCV)

findcontour points order

Removed contours aren't gone

How to remove overlapping contours

If "contours" is vector<vector<Point> what are its elements?

How to merge nearby rectangles

How to get boundry and center information of a mask

Segmenting two contours into two different images of same size using openCV-python

Finding a circle with a defective contour

contourArea strange behaviour

Detect all black pixels inside a surrounded closed white area [closed]

Difference in drawn result between cv2.drawContours and drawing contours with a loop

cv.findContours is connecting unconnected regions

Opencv multiple circle detection in a image

Clicking contours with mouse but only 1 contour can be found? [closed]

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