Questions - OpenCV Q&A Forum

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6

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2013-05-16 20:20:19 -0600 RaulPL

Object recognition by edge (or corners) matching ?

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2

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5

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2012-07-22 11:34:45 -0600 Misha

Sobel derivatives in the 45 and 135 degree direction

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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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4

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

Weird result while finding angle

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1

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4

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2012-08-10 14:56:16 -0600 Tharaki

How to detect square in a video using c++ and opencv?

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2

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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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2016-02-16 13:44:41 -0600 pthomet

solvePnP fails with perfect coordinates (and cvPOSIT passes)

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

canny edge detection for 32 bit floats

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2016-02-26 17:57:41 -0600 sturkmen

eliminating edges

305

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1

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2019-11-30 01:43:53 -0600 ojesus

python liveliness detection

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2016-02-24 01:00:24 -0600 darshana.mistry

phase correlation for image registration(image stitching)

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1

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2012-09-05 13:00:39 -0600 Lucas Walter

What is the easiest way to display a cv::Mat in a decoration free full-screen window?

631

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1

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1

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2014-05-17 17:31:17 -0600 FooBar

Image matching in a large image collection

870

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2

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1

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2014-07-15 21:24:43 -0600 Witek

like the picture below,how can i deal with the blue edges?

edges

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2016-10-11 16:29:14 -0600 Gabriel Alacchi

Does OpenCV have a built in Edge Boxes implementation?

357

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1

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2017-08-21 08:06:08 -0600 chetanreddy

watershed algorithm to image with grey background

329

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1

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2017-10-27 03:35:08 -0600 Jas92

How to label/track HOG detections in order to improve the detection system? [closed]

559

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1

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1

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2017-10-27 17:12:12 -0600 eshirima

newbe question about OpenCV live video capabities

465

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1

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1

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2017-11-06 21:08:45 -0600 Tetragramm

Kalman filter matrices

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1

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1

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2018-02-22 02:44:25 -0600 Grillteller

Get strength of edges using magnitude

270

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no

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1

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

Max gradient magnitude in Canny's algorithm

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1

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no

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2013-02-16 02:22:33 -0600 Mathieu Barnachon

Find polygon in image (rotation-invariant)

338

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1

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no

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2018-09-06 14:16:51 -0600 MikeTronix

Help:I am puzzled by cvCalcHist function,can you help me?Thank you

711

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2013-10-10 05:00:39 -0600 wuling

How to easy to get the length of the edge??? [closed]

1k

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1

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no

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2014-04-07 02:55:18 -0600 pj

extract point sequence of edge (a not enclosed contour)

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2014-04-27 15:47:23 -0600 mikey

Overlaying edges onto original image in Python

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2014-05-18 13:03:34 -0600 hrishikesh

Python Stereo map. error: (-209) All the images must have the same size in function cv::findStereoCorrespondenceBM

296

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no

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2014-05-19 08:30:57 -0600 Nabeel Ahmed

How to Display an image during On-line processing

594

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1

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no

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2014-10-27 04:41:45 -0600 R.Saracchini

When does cvEstimateRigidTransform recognise 2D point sets instead of images

466

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1

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no

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2015-02-26 14:37:59 -0600 matman

83 questions

Object recognition by edge (or corners) matching ?

Sobel derivatives in the 45 and 135 degree direction

Filtering out coast line

Weird result while finding angle

How to detect square in a video using c++ and opencv?

Detecting thick edges

solvePnP fails with perfect coordinates (and cvPOSIT passes)

canny edge detection for 32 bit floats

eliminating edges

python liveliness detection

phase correlation for image registration(image stitching)

What is the easiest way to display a cv::Mat in a decoration free full-screen window?

Image matching in a large image collection

like the picture below,how can i deal with the blue edges?

Does OpenCV have a built in Edge Boxes implementation?

watershed algorithm to image with grey background

How to label/track HOG detections in order to improve the detection system? [closed]

newbe question about OpenCV live video capabities

Kalman filter matrices

Get strength of edges using magnitude

Max gradient magnitude in Canny's algorithm

Find polygon in image (rotation-invariant)

Help:I am puzzled by cvCalcHist function,can you help me?Thank you

How to easy to get the length of the edge??? [closed]

extract point sequence of edge (a not enclosed contour)

Overlaying edges onto original image in Python

Python Stereo map. error: (-209) All the images must have the same size in function cv::findStereoCorrespondenceBM

How to Display an image during On-line processing

When does cvEstimateRigidTransform recognise 2D point sets instead of images

[Newbie] Can OpenCV find a straight boundary?

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