Questions - OpenCV Q&A Forum

198

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2020-09-23 05:03:17 -0600 PavelP

knnMatch/BFHamming bug or not?

129

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2018-06-04 18:28:52 -0600 gaber

iam new to opencv and i want to ask a question please , is there is a way to find the projection matrix without calibration providing that i have fundamental matrix

projection#c++

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2016-11-10 02:12:24 -0600 yota

load yaml calibration file to undistort

668

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2015-09-16 09:14:56 -0600 liaduarte

OpenCV python .avi video doesn't work

python

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2018-05-31 02:14:19 -0600 ak1

what is the unit of light intensity values in a grayscale image ?

6k

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2015-12-11 10:58:12 -0600 JTrejo

Connect to public IP camera in Java

399

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2018-02-22 01:17:22 -0600 Conundraah

Why use focal length as scale factor for warps?

920

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2017-12-16 07:42:47 -0600 PATDESSE

using StereoBM in java on Android -> some results

320

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2015-02-02 22:08:25 -0600 vendrov

decomposeEssentialMat and decomposeHomography Mat - anybody used it? aints,?>

decomposeEssent

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2014-03-26 22:21:04 -0600 lkjs

How can use BOWImgDescriptorExtractor with sift and no error

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2014-10-07 07:15:29 -0600 zweistein666

Bird eye view homography

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2

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2014-05-22 08:52:50 -0600 altella

HOG person detection and setting up SVM classifiers

167

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2018-07-16 09:10:35 -0600 gbcat

[Suggestion] Would you like to add "ldconfig" to the Makefile?

installation

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2016-07-13 17:04:12 -0600 MRDaniel

Mock Camera Intrinsics

53

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2014-08-28 20:14:58 -0600 Laskoski

Opencv not recognizing java.util

android

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2013-12-17 02:37:40 -0600 mahsa

Temporal filtering

#opencv#c++

214

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2020-05-04 04:04:55 -0600 supra56

Getting the original pixel value in a thresholded RGB image

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2014-01-22 05:27:08 -0600 conceptgame

Super Resolution with 2.4.8: real time processing?

superresolution

534

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2015-02-09 11:16:59 -0600 aleksey_ho

2.4.10 CascadeClassifier Unhandled exception. Access violation writing location.

191

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2016-11-16 01:11:59 -0600 berak

I am trying to use the legacy.hpp as header in centos 7, kdevelop 4 editor. Building the code results in following errors. I am looking forward to get my problem solved. Thanks in advance.

Legacy

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2017-02-15 18:31:31 -0600 Tomna

Training SVM using HOG features using JAVA

HOG
trainHOG

1k

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1

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2014-05-11 08:38:02 -0600 MSoegtrop

traincascade 2.4.9 produces unreadable format, haartraining 2.4.9 hangs, traincascade git crashes

opencv_traincascade

140

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2018-04-24 02:58:57 -0600 [email protected]

Segemenation image by block color

opencv

966

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2015-12-21 17:14:41 -0600 Art.Gaffin

DependencyWalker says missing Dcomp.dll (Opencv 3, x.64, w7, vs14, unmanaged DLL)

219

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2016-07-15 03:25:58 -0600 akashp

Have 120fps in JavaCameraView ?

android

524

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2014-07-07 09:02:26 -0600 gett8756

How do use CvANN_MLP::train flag?

2k

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2017-12-21 14:10:45 -0600 Paula

Error in make OpenCV - file in wrong format

make
cmake

521

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2013-09-24 13:55:10 -0600 mike

Object Recognition with SIFT - to inaccurate??

2k

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2014-07-21 15:01:16 -0600 li8bot

Building all the libraries on the Raspberry Pi

270

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answers

1

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2015-02-02 13:28:31 -0600 neverbend007

12,357 questions

knnMatch/BFHamming bug or not?

iam new to opencv and i want to ask a question please , is there is a way to find the projection matrix without calibration providing that i have fundamental matrix

load yaml calibration file to undistort

OpenCV python .avi video doesn't work

what is the unit of light intensity values in a grayscale image ?

Connect to public IP camera in Java

Why use focal length as scale factor for warps?

using StereoBM in java on Android -> some results

decomposeEssentialMat and decomposeHomography Mat - anybody used it? aints,?>

How can use BOWImgDescriptorExtractor with sift and no error

Bird eye view homography

HOG person detection and setting up SVM classifiers

[Suggestion] Would you like to add "ldconfig" to the Makefile?

Mock Camera Intrinsics

Opencv not recognizing java.util

Temporal filtering

Getting the original pixel value in a thresholded RGB image

Super Resolution with 2.4.8: real time processing?

2.4.10 CascadeClassifier Unhandled exception. Access violation writing location.

I am trying to use the legacy.hpp as header in centos 7, kdevelop 4 editor. Building the code results in following errors. I am looking forward to get my problem solved. Thanks in advance.

Training SVM using HOG features using JAVA

traincascade 2.4.9 produces unreadable format, haartraining 2.4.9 hangs, traincascade git crashes

Segemenation image by block color

DependencyWalker says missing Dcomp.dll (Opencv 3, x.64, w7, vs14, unmanaged DLL)

Have 120fps in JavaCameraView ?

How do use CvANN_MLP::train flag?

Error in make OpenCV - file in wrong format

Object Recognition with SIFT - to inaccurate??

Building all the libraries on the Raspberry Pi

upgrade opencv on raspberry pi

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