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29,830 questions

2k
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3
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2018-06-21 04:28:34 -0600 azdoud.y

How to solve problem with VideoCapture loading in linux ?

13k
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3
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1
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2020-08-13 22:51:08 -0600 jcrist

How to merge nearby rectangles

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3
answers
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2018-12-02 13:38:08 -0600 sturkmen flag of Turkey

merge overlapping rectangles

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

function "drawKeypoints" do not work in openCV 4.0.1

661
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3
answers
1
vote
2019-02-14 07:00:27 -0600 ya_ocv_user

How to incorporate white into color system?

781
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3
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2019-04-08 11:09:32 -0600 HYPEREGO flag of Italy

OpenCV capabilities - image processing

4k
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3
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1
vote
2019-04-17 09:01:14 -0600 HYPEREGO flag of Italy

Where to begin for a license car plate recognition system

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3
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2019-05-19 21:57:59 -0600 supra56 flag of Canada

OpenCV setup issue with dlib build on windows

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3
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2019-06-05 13:06:27 -0600 Eduardo

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

8k
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3
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votes
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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2019-07-20 08:22:03 -0600 supra56 flag of Canada

How to put rotated text in OpenCV ?

3k
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3
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vote
2019-10-30 12:35:30 -0600 MauroNRa

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

3k
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3
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2019-11-03 15:19:47 -0600 Billie

Extract Handwriting and Print from Background

1k
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3
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2019-12-02 09:17:47 -0600 supra56 flag of Canada

Unable to see and take the picture in second time

7k
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3
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votes
2020-12-19 17:45:05 -0600 taesookim0412

HSV white color range in JS

879
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3
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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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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
vote
2020-01-09 02:32:30 -0600 LBerger

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

8k
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3
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votes
2020-01-20 08:36:02 -0600 supra56 flag of Canada

How to draw contour lines between every colour?

1k
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3
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votes
2020-07-13 18:39:56 -0600 Alice_aj

Converting ArUco axis-angle to Unity3D Quaternion

2k
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3
answers
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votes
2020-07-17 13:29:17 -0600 berak

show video and texts on single window

8k
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3
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2020-09-15 18:57:23 -0600 heavyswat

OpenCV GPU without compiling ?

999
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3
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2020-11-26 13:38:03 -0600 AndyK

Use Opencl to access Umat data

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