Questions - OpenCV Q&A Forum

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2018-05-10 08:36:40 -0600 berak

[opencv 4.0.0 installation] Failed build project

opencv
c++

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2018-05-14 02:30:44 -0600 garbalawal

How to correct this barrel distortion

531

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-1

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2018-05-10 16:04:49 -0600 kyl293

[Question/Java/Help] how to get openCV to run in a jar?

java
jar

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2018-05-10 15:59:04 -0600 halfpotato

How do I perform a normal convolution?

Convolution

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2018-05-10 18:11:59 -0600 kimwue

How to disable zoom via Mouse Wheel in OpenCV window?

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2018-05-10 21:29:53 -0600 danielgromero

Fail to build

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2018-05-10 22:12:28 -0600 PengGuanjun

How to combine the integral image with the adaptive threshold? [closed]

integralImage

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2018-05-11 06:12:57 -0600 krax1337

OpenCV Error: Gpu API call

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2018-05-11 10:33:39 -0600 tribol

alternative for deprecated CalcOpticalFlowBM

BlockMatching

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2018-05-11 11:14:26 -0600 Banquin

Another cv::net.forward() problem

567

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2018-05-12 06:09:14 -0600 paatz04

Android OpenCV Tensorflow crashes with CvException because of native Memory leak

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2018-05-11 17:10:34 -0600 svolvo

Select timeout error when re-plug camera

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2018-05-11 20:37:59 -0600 masterenol

Detect Slow Gradual Change in Background with Live Video and Python 3?

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6

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2019-04-02 04:40:24 -0600 Akhil Patel

How to find rectangle edges from image and crop image from it's edges? [closed]

638

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2018-05-12 15:42:28 -0600 Faraday

Help loading and testing a trained svm [closed]

213

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2018-05-13 08:08:47 -0600 Raiper34

Count real size of object in photo

161

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-1

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2018-05-13 13:33:51 -0600 Toutou

I want to calculate the yellow pixels in a YCbCr image (open cv) with python how can I write this code

YCbCr

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2018-05-13 13:57:59 -0600 BillyBobert

Can't Compile anything in manjaro

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2018-05-13 20:33:16 -0600 berak

dnn module and cuda [closed]

dnn
CUDA

106

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answers

1

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2018-05-14 02:00:24 -0600 Yves

Why does the compilation of opencv download lots of things?

compilation

125

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2018-05-14 01:32:42 -0600 nikshita

Hi! i am trying to create an application in java which will detect our faces through webcam. below is the code and error i am getting while running the code. kindly help. [closed]

java

206

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2018-05-14 03:58:20 -0600 garbalawal

How to use this code to correct barrel distortion?

barreldistortion

546

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2020-02-27 21:20:09 -0600 supra56

no matching function for call to 'drawContours' [closed]

201

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2018-05-14 05:12:10 -0600 sravagya1991

Create a hue transform video of an RGB video

178

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2018-05-14 06:33:08 -0600 changh95

Aruco giving weird rotations

aruco

275

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2018-05-14 07:01:51 -0600 jecalderon

looking for a windows 10 compatible bnc frame grabber with OpenCV SDK

hardware
VGA

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2018-05-14 09:55:31 -0600 Kakeh

how to find rotation angle and speed of an object

speed

98

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2018-05-14 13:05:31 -0600 garbalawal

How to Stich those picture using homography

stiching

535

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no

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2018-05-14 17:08:56 -0600 arlenelalala

PiCamera V2, intrinsic matrix after calibration to compare

455

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2018-05-15 20:58:47 -0600 leminhbang

29,830 questions

[opencv 4.0.0 installation] Failed build project

How to correct this barrel distortion

[Question/Java/Help] how to get openCV to run in a jar?

How do I perform a normal convolution?

How to disable zoom via Mouse Wheel in OpenCV window?

Fail to build

How to combine the integral image with the adaptive threshold? [closed]

OpenCV Error: Gpu API call

alternative for deprecated CalcOpticalFlowBM

Another cv::net.forward() problem

Android OpenCV Tensorflow crashes with CvException because of native Memory leak

Select timeout error when re-plug camera

Detect Slow Gradual Change in Background with Live Video and Python 3?

How to find rectangle edges from image and crop image from it's edges? [closed]

Help loading and testing a trained svm [closed]

Count real size of object in photo

I want to calculate the yellow pixels in a YCbCr image (open cv) with python how can I write this code

Can't Compile anything in manjaro

dnn module and cuda [closed]

Why does the compilation of opencv download lots of things?

Hi! i am trying to create an application in java which will detect our faces through webcam. below is the code and error i am getting while running the code. kindly help. [closed]

How to use this code to correct barrel distortion?

no matching function for call to 'drawContours' [closed]

Create a hue transform video of an RGB video

Aruco giving weird rotations

looking for a windows 10 compatible bnc frame grabber with OpenCV SDK

how to find rotation angle and speed of an object

How to Stich those picture using homography

PiCamera V2, intrinsic matrix after calibration to compare

Change object color with the same range

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