Questions - OpenCV Q&A Forum

14k

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3

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no

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2018-03-21 12:21:41 -0600 kbarni

Algorithm recommendation for texture analysis/segmentation

texture

979

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3

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no

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2018-03-23 06:38:20 -0600 Santhosh1

How to detect red object shape?(square shaped object red in color)

shape#binayimage

3k

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3

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no

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2018-12-08 11:53:49 -0600 Sellmair

How to use Aruco in Android?

2k

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3

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no

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2018-05-18 13:05:24 -0600 sjhalayka

ML svm, k-nn image recognition examples in c++

5k

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3

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no

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2018-05-25 14:52:18 -0600 BViktor

How to run the UINT8 DNN face detector example?

2k

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3

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no

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2018-06-21 04:28:34 -0600 azdoud.y

How to solve problem with VideoCapture loading in linux ?

opencv

13k

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3

answers

1

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2020-08-13 22:51:08 -0600 jcrist

How to merge nearby rectangles

10k

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3

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1

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2018-12-02 13:38:08 -0600 sturkmen

merge overlapping rectangles

groupRectangles

2k

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3

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no

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2018-12-16 06:42:43 -0600 berak

Converting LUV-->RGB-->LUV results in different values

4k

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3

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2

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2019-01-24 15:49:23 -0600 LBerger

function "drawKeypoints" do not work in openCV 4.0.1

4k

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1

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2020-12-21 10:10:43 -0600 Antonio

How can I check if the monitor is connected in Windows / Linux?

661

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1

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2019-02-14 07:00:27 -0600 ya_ocv_user

How to incorporate white into color system?

2k

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3

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2019-03-01 06:47:55 -0600 supra56

Python Opencv Structured Forests Edge Detection TypeError

782

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no

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2019-04-08 11:09:32 -0600 HYPEREGO

OpenCV capabilities - image processing

4k

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3

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1

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2019-04-17 09:01:14 -0600 HYPEREGO

Where to begin for a license car plate recognition system

opencv

4k

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3

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no

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2019-05-19 21:57:59 -0600 supra56

OpenCV setup issue with dlib build on windows

Dlib

3k

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3

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no

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2019-06-05 13:06:27 -0600 Eduardo

How to calculate scale factor between two images (by SIFT matching)

SIFT

8k

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3

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no

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2019-07-22 03:16:06 -0600 Reino

Make error __atomic_fetch_add_8 on RaspberryPi4

12k

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3

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no

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2019-07-20 08:22:03 -0600 supra56

How to put rotated text in OpenCV ?

cvPutText

3k

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3

answers

1

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2019-10-30 12:35:30 -0600 MauroNRa

Generate custom opencv .so for Android [Windows 10] [Solved]

android

3k

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3

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no

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2019-11-03 15:19:47 -0600 Billie

Extract Handwriting and Print from Background

16k

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3

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2019-11-13 06:25:47 -0600 supra56

How to fix error error: (-215:Assertion failed) size.width>0 && size.height>0 in function 'cv::imshow' when trying to capture a video stream?

8k

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3

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no

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2019-11-30 08:47:40 -0600 rtrahms

Importing OpenCV 4.X android SDK module into Android Studio

1k

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3

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no

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2019-12-02 09:17:47 -0600 supra56

Unable to see and take the picture in second time

7k

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3

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no

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2020-12-19 17:45:05 -0600 taesookim0412

HSV white color range in JS

883

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3

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no

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2019-12-30 03:36:01 -0600 Gandalf2019

cv::cuda::convolve artifacts

11k

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3

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no

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2020-01-14 23:45:29 -0600 Sherman

opencv 4.1.2 - TypeError: Expected Ptr<cv::UMat> for argument '%s'

3k

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3

answers

1

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2020-01-09 02:32:30 -0600 LBerger

convert cv::Mat to vector<vector<uchar>> img;

matrix

8k

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3

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no

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2020-01-20 08:36:02 -0600 supra56

How to draw contour lines between every colour?

funny

1k

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3

answers

no

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2020-07-13 18:39:56 -0600 Alice_aj

29,830 questions

Algorithm recommendation for texture analysis/segmentation

How to detect red object shape?(square shaped object red in color)

How to use Aruco in Android?

ML svm, k-nn image recognition examples in c++

How to run the UINT8 DNN face detector example?

How to solve problem with VideoCapture loading in linux ?

How to merge nearby rectangles

merge overlapping rectangles

Converting LUV-->RGB-->LUV results in different values

function "drawKeypoints" do not work in openCV 4.0.1

How can I check if the monitor is connected in Windows / Linux?

How to incorporate white into color system?

Python Opencv Structured Forests Edge Detection TypeError

OpenCV capabilities - image processing

Where to begin for a license car plate recognition system

OpenCV setup issue with dlib build on windows

How to calculate scale factor between two images (by SIFT matching)

Make error __atomic_fetch_add_8 on RaspberryPi4

How to put rotated text in OpenCV ?

Generate custom opencv .so for Android [Windows 10] [Solved]

Extract Handwriting and Print from Background

How to fix error error: (-215:Assertion failed) size.width>0 && size.height>0 in function 'cv::imshow' when trying to capture a video stream?

Importing OpenCV 4.X android SDK module into Android Studio

Unable to see and take the picture in second time

HSV white color range in JS

cv::cuda::convolve artifacts

opencv 4.1.2 - TypeError: Expected Ptr<cv::UMat> for argument '%s'

convert cv::Mat to vector<vector<uchar>> img;

How to draw contour lines between every colour?

Converting ArUco axis-angle to Unity3D Quaternion

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