Questions - OpenCV Q&A Forum

272

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2018-12-03 07:44:32 -0600 Filippo9669

Max gradient magnitude in Canny's algorithm

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2019-11-23 02:07:48 -0600 Akhil Patel

Remove background from canny image in android opencv [closed]

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2018-12-14 03:11:27 -0600 kyuhyoung

Isn't Canny edge detection pixel-wise operation?

canny

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2019-02-14 16:11:15 -0600 Koralgoll

Why findContour detects same edge twice?

324

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2020-03-27 11:12:58 -0600 link1375

findContours outputs different result, if the camera is parallel to the contour border

256

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2020-06-01 08:22:00 -0600 sturkmen

Replicating OpenCV's Canny Edge Detection [closed]

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2012-09-25 03:41:39 -0600 Rui Marques

OpenCV Tutorial 1 - Add OpenCV on API 8

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2016-11-07 22:41:20 -0600 Tetragramm

canny edge detection for 32 bit floats

812

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2015-05-18 16:06:46 -0600 theodore

How to make HoughlinesP to detect more lines?

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2016-01-04 09:29:51 -0600 wibr

Missing/double edges in OpenCV/scikit-image implementations of Canny edge detector

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2

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2016-12-12 10:37:39 -0600 Soltius

Getting Canny to provide good results

canny
imageJ

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2019-03-18 02:18:13 -0600 LBerger

Expected cv::UMat for argument 'src'

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2013-11-03 02:23:51 -0600 Michael Burdinov

Does the canny method apply non-maximum suppression?

canny

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2015-01-12 15:04:10 -0600 Vit

Canny (OCL, 3-beta) can not detect connected contour of black square on a white background.

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4

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2012-07-20 13:34:26 -0600 Ilya Lysenkov

Weird result while finding angle

4k

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4

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2012-10-25 00:42:48 -0600 sammy

Detecting thick edges

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3

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4

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2013-07-08 02:09:34 -0600 Shravya

Source code to Closing Holes Leaf Image

13k

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5

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2012-10-19 07:43:33 -0600 imran

Skin detection

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2

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5

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2013-12-22 02:54:36 -0600 mtourne

Filtering out coast line

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7

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2019-11-08 22:45:52 -0600 Akhil Patel

110 questions

Max gradient magnitude in Canny's algorithm

Remove background from canny image in android opencv [closed]

Isn't Canny edge detection pixel-wise operation?

Why findContour detects same edge twice?

findContours outputs different result, if the camera is parallel to the contour border

Replicating OpenCV's Canny Edge Detection [closed]

OpenCV Tutorial 1 - Add OpenCV on API 8

canny edge detection for 32 bit floats

How to make HoughlinesP to detect more lines?

Missing/double edges in OpenCV/scikit-image implementations of Canny edge detector

Getting Canny to provide good results

Expected cv::UMat for argument 'src'

Does the canny method apply non-maximum suppression?

Canny (OCL, 3-beta) can not detect connected contour of black square on a white background.

Weird result while finding angle

Detecting thick edges

Source code to Closing Holes Leaf Image

Skin detection

Filtering out coast line

How to detect and crop rectangle and apply transformation from an image? [closed]

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