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29,830 questions

361
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2020-01-01 01:26:05 -0600 Sherman

about findcountour

112k
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2
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2020-01-02 15:01:54 -0600 supra56 flag of Canada

error: (-215:Assertion failed) !_src.empty() in function 'cvtColor'

3k
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2
answers
-1
votes
2020-01-03 09:17:00 -0600 berak

how to resize image without changing dpi ?

16k
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2
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no
votes
2020-02-10 10:11:00 -0600 Agustin

How to crop rectangles from a image with opencv

7k
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2
answers
2
votes
2020-01-23 01:05:23 -0600 Lucy8

point inside rect

1k
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2
answers
-1
votes
2020-02-01 21:10:44 -0600 supra56 flag of Canada

How to get the number of centroids in a rectangle?[SOLVED]

546
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2
answers
2
votes
2020-02-04 09:30:15 -0600 Mialek

Detection, sorting,

926
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2
answers
no
votes
2020-02-03 14:14:04 -0600 LBerger

How can I filter white color from simmilar background?

2k
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2
answers
no
votes
2020-04-26 06:37:25 -0600 LiorA

Android how to remove unnecessary modules?

805
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2
answers
no
votes
2020-02-20 04:45:20 -0600 berak

Detecting changes of image

303
views
2
answers
no
votes
2020-02-24 06:28:54 -0600 berak

Operator and foreach

1k
views
2
answers
no
votes
2020-03-19 09:33:48 -0600 supra56 flag of Canada

How to connect center of detected objects/contours to form a polygon?

1k
views
2
answers
no
votes
2020-03-02 19:10:54 -0600 HYPEREGO flag of Italy

How to use multiprocessing with OpenCV-C++ ?

2k
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2
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no
votes
2020-03-26 00:49:35 -0600 ssokolow flag of Canada

/ust/bin/ld: cannot find -lopencv_imgcodecs

473
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2
answers
-1
votes
2020-03-29 04:56:40 -0600 ComputerVisionary

Train cascade classifier for game screenshots

3k
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2
answers
no
votes
2020-04-02 12:21:42 -0600 crackwitz

How to delay programm without stopping video feed in Python3

4k
views
2
answers
no
votes
2020-04-04 12:56:16 -0600 supra56 flag of Canada

How to convert dashed lines to solid?

1k
views
2
answers
no
votes
2020-04-20 10:48:28 -0600 CarlEmail

Printer ink not black in IR

1k
views
2
answers
no
votes
2020-11-28 15:03:22 -0600 crackwitz

Face detection and time - video

7k
views
2
answers
no
votes
2020-05-21 03:27:32 -0600 berak

gcc: error: long: No such file or directory

4k
views
2
answers
no
votes
2020-04-11 09:16:33 -0600 supra56 flag of Canada

How do i remove background noise in binary picture?

5k
views
2
answers
no
votes
2020-04-15 07:39:04 -0600 supra56 flag of Canada

How do I make the image not fit the window?

1k
views
2
answers
1
vote
2020-04-27 01:45:58 -0600 pivdet

How to declare a small image for test in openCV Android?

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