Questions - OpenCV Q&A Forum

16

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1

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-1

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2020-02-16 13:48:03 -0500 Yasemin

I'am done my JAVAFX application with opencv,but processing is running slowly?

javafx

71

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1

answer

no

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2020-02-16 09:35:43 -0500 supra56

the code to extract the green boxes from the picture "Python-Interview.jpg" and copy them to a folder.[SOLVED] [closed]

7

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no

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no

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2020-02-16 09:28:54 -0500 william007

How to get motion vector

motionvectors

10

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no

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no

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2020-02-16 07:44:00 -0500 lobsterman

compiling OpenCV 4.1.1 on ARM64

linux
arm64

14

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no

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no

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2020-02-16 05:38:14 -0500 berak

This is a code to train a dataset of faces captured using OpenCV in python. I get error like this. Help appreciated

8

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no

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-1

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2020-02-15 23:28:24 -0500 Arshad Hashmi

Video hightlights genrator using open cv in .net [closed]

Opencvcore

19

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no

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no

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2020-02-15 16:45:19 -0500 mateusguilherme

opencv low fps on raspberry pi 4

RaspberryPi#opencv

8

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no

answers

no

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2020-02-15 16:18:27 -0500 tomharris

SGBM disparity cost calculation

StereoSGBM

16

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1

answer

no

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2020-02-15 01:11:59 -0500 berak

error: ‘imread’ was not declared in this scope

19

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no

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no

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2020-02-14 20:41:14 -0500 dunnoguy

Haar Cascade Classifier

2k

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1

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no

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2020-02-14 11:41:38 -0500 manedragon

how to get Hue chnanel using open cv in android

194

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1

answer

1

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2020-02-14 10:41:49 -0500 wisewolf76

Refining perspective transformation in epipolar geometry

306

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1

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2

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2020-02-14 07:54:47 -0500 wisewolf76

what is optimal window size for cornerSubPix on chessboard?

18

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1

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no

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2020-02-14 04:59:52 -0500 berak

More efficient way to sum several images with Mat

SumImages

32

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no

answers

no

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2020-02-14 03:17:10 -0500 supra56

way to find Zebra crossing lines

image-processing

14

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no

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no

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2020-02-13 20:47:43 -0500 blorgggg

Stereo Calibration for CharUco Boards?

31

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no

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no

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2020-02-13 08:17:25 -0500 huyle73

Can you help me how to install Opencv on Mac El Capitain ?

opencv
macos

31

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1

answer

no

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2020-02-13 08:03:24 -0500 wisewolf76

Difference between Camera Matrix and Projection matrix for monocular camera calibration.

19

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no

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no

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2020-02-13 07:53:16 -0500 aquarian-source

is opencv::dnn module(implementing YOLOv3) compatible with ubuntu? [closed]

59

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no

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no

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2020-02-13 03:52:03 -0500 supra56

Not able to install opencv on raspberry pi 3 b+. How do I resolve it?[SOLVED] [closed]

opencv

20

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no

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no

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2020-02-13 01:08:55 -0500 JessieTang

Failed to cross compile OpenCV3.4.9 for aarch64 targets

28

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no

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no

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2020-02-12 23:22:56 -0500 snehal

Detect image is blur or not

c++
opencv

26

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no

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no

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2020-02-12 15:05:02 -0500 Stephen Luce

Can't build 4.2.0 using homebrew

47

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no

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no

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2020-02-12 13:17:25 -0500 fdem

Is there a way to get the function signatures of every function in the OpenCV.js API?

13

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no

answers

no

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2020-02-12 08:55:17 -0500 JWilliams

Is something different being done in ocl.cpp where it would change the behavior of CV_XADD?

opencv_core

16

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no

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no

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2020-02-12 07:05:32 -0500 berak

Problem with not founding layers YOLO neural networks

19

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no

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no

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2020-02-12 06:44:30 -0500 jaimelopezduque

Funion cvSet2d [closed]

cvSet2D

13

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no

answers

no

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2020-02-12 06:24:18 -0500 bond132

key-frame extraction, to represent video clip by one frame/img

key-frame

25

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no

answers

no

votes

2020-02-12 06:18:26 -0500 aquarian-source

unable to find opencv through pkg-config --cflags opencv

21

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1

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no

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2020-02-12 04:51:37 -0500 Eduardo

32,434 questions

I'am done my JAVAFX application with opencv,but processing is running slowly?

the code to extract the green boxes from the picture "Python-Interview.jpg" and copy them to a folder.[SOLVED] [closed]

How to get motion vector

compiling OpenCV 4.1.1 on ARM64

This is a code to train a dataset of faces captured using OpenCV in python. I get error like this. Help appreciated

Video hightlights genrator using open cv in .net [closed]

opencv low fps on raspberry pi 4

SGBM disparity cost calculation

error: ‘imread’ was not declared in this scope

Haar Cascade Classifier

how to get Hue chnanel using open cv in android

Refining perspective transformation in epipolar geometry

what is optimal window size for cornerSubPix on chessboard?

More efficient way to sum several images with Mat

way to find Zebra crossing lines

Stereo Calibration for CharUco Boards?

Can you help me how to install Opencv on Mac El Capitain ?

Difference between Camera Matrix and Projection matrix for monocular camera calibration.

is opencv::dnn module(implementing YOLOv3) compatible with ubuntu? [closed]

Not able to install opencv on raspberry pi 3 b+. How do I resolve it?[SOLVED] [closed]

Failed to cross compile OpenCV3.4.9 for aarch64 targets

Detect image is blur or not

Can't build 4.2.0 using homebrew

Is there a way to get the function signatures of every function in the OpenCV.js API?

Is something different being done in ocl.cpp where it would change the behavior of CV_XADD?

Problem with not founding layers YOLO neural networks

Funion cvSet2d [closed]

key-frame extraction, to represent video clip by one frame/img

unable to find opencv through pkg-config --cflags opencv

Transformation of 3d points and camera poses to a new world frame

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