Questions - OpenCV Q&A Forum

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2020-03-29 06:10:32 -0600 ComputerVisionary

Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

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2017-02-17 05:04:37 -0600 Balaji R

How can I best compare two BGR colors to determine how similar/different they are?

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4

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2014-09-17 16:15:41 -0600 JD

Baby's first SLAM algorithm

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2013-02-25 09:02:44 -0600 ubehagelig

VC6.0 can i?

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2017-01-17 09:19:46 -0600 LBerger

What does the "isContinuous()" function do?

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2014-08-17 06:32:13 -0600 dang ky 3g mobifone

Need help resizing and blending two images (first attempt w/ OpenCV/Android)

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2012-07-30 19:48:15 -0600 Martin Peris

Computer Vision - Craps Coach Project from a Newbie

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2012-09-01 09:46:42 -0600 hassan

OpenCV on VS 2010 Express, Invalid License Data Error

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9

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2013-08-12 07:04:19 -0600 StevenPuttemans

[GUIDE] - A beginners guide to the Q&A forum (first steps to take)

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2013-08-28 06:51:15 -0600 Moster

Help me begin with OpenCV project

beginner

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2013-09-07 08:10:07 -0600 berak

imread always return empty matrix

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1

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2014-01-23 03:46:55 -0600 claycau

imread returning empty matrix in debug, double-checked that I have the correct libs

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2015-06-08 10:03:30 -0600 brjapa1

how to improve the accuracy when detecting mood and age?

beginner

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1

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no

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2015-03-17 03:11:03 -0600 thdrksdfthmn

I am trying to find the keypoints of an image using SURF detector...But the number of key points is always one

beginner

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2015-05-17 03:55:45 -0600 berak

Window name as unidentified identifier in simple program

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2015-08-03 19:16:57 -0600 unxnut

Isolating a change in color in OpenCV.

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1

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2016-02-24 07:43:23 -0600 iko79

Most efficient way to clear an image with C++ interface?

Mat
beginner

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no

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2017-08-14 15:14:15 -0600 danieltak

Convert wiki tutorial from deprecated IplImage to Mat

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2018-02-01 18:27:28 -0600 mike_perreman

How to use cuda::cvtColor?

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1

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2

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2018-08-24 10:32:24 -0600 jufru

I'd like to contribute by solving a problem [in python;first timer; not too advanced coder]

743

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1

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-1

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2018-10-03 13:57:39 -0600 dscott97

OpenCV Python Script Mac "aborts"

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2018-10-06 05:10:24 -0600 berak

When I trying to run the code below i am getting error

498

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1

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2018-10-11 00:04:10 -0600 berak

Finding an OpenCV debug file

280

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1

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1

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2018-11-14 03:36:17 -0600 berak

What is the third argument in CommandLineParser parser() function?

209

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1

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2019-03-09 02:56:16 -0600 berak

I want to run DisplayImage in another PC without installing OpenCv

248

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2

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2020-01-24 02:51:19 -0600 ganesh-k13

How to trigger tests in misc/python/test

547

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2

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2020-10-11 08:00:43 -0600 berak

Best/efficient development workflow?

710

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no

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2013-07-10 18:07:57 -0600 DrGusta

Barrel Distortion

230

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no

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no

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2015-02-24 23:54:34 -0600 Gopal

Is stitcher class available in opencv-android

761

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no

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no

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2015-07-31 22:27:54 -0600 vjm68

38 questions

Can someone explain me these terms (acceptanceRatio, HR, FA) in training haar cascade, and "acceptanceRatio 800:4.97153e-05" is it consider good?

How can I best compare two BGR colors to determine how similar/different they are?

Baby's first SLAM algorithm

VC6.0 can i?

What does the "isContinuous()" function do?

Need help resizing and blending two images (first attempt w/ OpenCV/Android)

Computer Vision - Craps Coach Project from a Newbie

OpenCV on VS 2010 Express, Invalid License Data Error

[GUIDE] - A beginners guide to the Q&A forum (first steps to take)

Help me begin with OpenCV project

imread always return empty matrix

imread returning empty matrix in debug, double-checked that I have the correct libs

how to improve the accuracy when detecting mood and age?

I am trying to find the keypoints of an image using SURF detector...But the number of key points is always one

Window name as unidentified identifier in simple program

Isolating a change in color in OpenCV.

Most efficient way to clear an image with C++ interface?

Convert wiki tutorial from deprecated IplImage to Mat

How to use cuda::cvtColor?

I'd like to contribute by solving a problem [in python;first timer; not too advanced coder]

OpenCV Python Script Mac "aborts"

When I trying to run the code below i am getting error

Finding an OpenCV debug file

What is the third argument in CommandLineParser parser() function?

I want to run DisplayImage in another PC without installing OpenCv

How to trigger tests in misc/python/test

Best/efficient development workflow?

Barrel Distortion

Is stitcher class available in opencv-android

OpenCV Object Tracker Test Bed to Help Beginners Get Started

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