Questions - OpenCV Q&A Forum

8

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2020-01-24 09:44:22 -0500 robertodaza

VideoCapture (0) does not work in mac Catalina. The program crashed

628

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1

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2020-01-24 08:37:12 -0500 decioschmitt

(-215:Assertion failed) m.dims >= 2 in function 'cv::Mat::Mat'

10

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2020-01-24 08:28:07 -0500 berak

How to set and get brightness of camera using PyQt

17

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2020-01-24 06:53:03 -0500 HelloWorld

link to download openCV, other than SourceForge

11

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2020-01-24 04:50:40 -0500 dineshlama

link opencv inc and lib in rpio

cmake

26

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2020-01-24 02:51:19 -0500 ganesh-k13

How to trigger tests in misc/python/test

10

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2020-01-23 21:36:24 -0500 Matha

No rule to make target '/usr/local/lib/libopencv_dnn.so.4.2.0'

24

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2020-01-23 18:16:41 -0500 manedragon

Replace a range of colors with a specific color in Android with OpenCV

20

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2020-01-23 07:22:01 -0500 ThomasRy

Different result between Python and Android

18

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2020-01-23 06:30:47 -0500 TAldhous

Why are the Hu moments of the middle shape different to the others?

hu-moments

19

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2020-01-23 05:28:38 -0500 berak

use knnSearch, terminate called after throwing an instance of 'cvflann::anyimpl::bad_any_cast' [closed]

knnsearch

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2020-01-23 05:20:51 -0500 Tanveer

How can I use ximgproc in spyder with python

ximgproc

18

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2020-01-23 05:10:22 -0500 berak

opencv/cv.h not found

35

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2020-01-23 04:23:06 -0500 JeyP4

How to project points from undistort image to distort image?

22

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2

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2020-01-23 01:05:23 -0500 Lucy8

point inside rect

49

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-1

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2020-01-22 23:06:57 -0500 Tetragramm

Unexpected Results at Subtracting Two Images

20

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2020-01-22 11:54:03 -0500 dineshlama

largest rectangle contour

16

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2020-01-22 11:18:04 -0500 Bensuperpc

How to copy vector of Mat and write video ?

c++#opencv

23

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2020-01-22 10:00:37 -0500 Agustin

How to crop rectangles from a image with opencv

11

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2020-01-22 08:33:01 -0500 LangdalePikes

Where should I use OpenCV LBPHFaceRecognizer parameters [closed]

8

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2020-01-22 07:49:04 -0500 tlu

Starting an iOS Project: OpenCV Compatible with iOS 13?

14

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2020-01-22 04:31:49 -0500 Tonifds

Single shot structured light

3dreconstruction

21

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2020-01-22 04:07:55 -0500 mvuori

How can an undistorted image have the same resolution as the original?

calibrateCamera

14

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2020-01-22 03:33:28 -0500 neo_nedo

How to make measure distance between 2 objects with Open CV and camera Hayear ?

31

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2020-01-22 02:46:35 -0500 Periklis

VideoCapture with VideoCapture.Api.Images fails: OPENCV_HAVE_FILESYSTEM_SUPPORT is set to “FALSE” on iOS

14

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2020-01-22 02:17:00 -0500 mick609

cvGrabFrame returns false [closed]

54

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-1

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2020-01-21 12:15:07 -0500 rexendz

Draw bounding box around transparent bottle

python#opencv

30

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2020-01-21 05:18:43 -0500 smoki3

Cascade Classifier Circle Detection

circle
xml

24

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2020-01-21 03:19:48 -0500 berak

h264 encode data -> socket -> opencv decode ??

H264
socket

40

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2020-01-20 21:48:16 -0500 danilsun

32,290 questions

VideoCapture (0) does not work in mac Catalina. The program crashed

(-215:Assertion failed) m.dims >= 2 in function 'cv::Mat::Mat'

How to set and get brightness of camera using PyQt

link to download openCV, other than SourceForge

link opencv inc and lib in rpio

How to trigger tests in misc/python/test

No rule to make target '/usr/local/lib/libopencv_dnn.so.4.2.0'

Replace a range of colors with a specific color in Android with OpenCV

Different result between Python and Android

Why are the Hu moments of the middle shape different to the others?

use knnSearch, terminate called after throwing an instance of 'cvflann::anyimpl::bad_any_cast' [closed]

How can I use ximgproc in spyder with python

opencv/cv.h not found

How to project points from undistort image to distort image?

point inside rect

Unexpected Results at Subtracting Two Images

largest rectangle contour

How to copy vector of Mat and write video ?

How to crop rectangles from a image with opencv

Where should I use OpenCV LBPHFaceRecognizer parameters [closed]

Starting an iOS Project: OpenCV Compatible with iOS 13?

Single shot structured light

How can an undistorted image have the same resolution as the original?

How to make measure distance between 2 objects with Open CV and camera Hayear ?

VideoCapture with VideoCapture.Api.Images fails: OPENCV_HAVE_FILESYSTEM_SUPPORT is set to “FALSE” on iOS

cvGrabFrame returns false [closed]

Draw bounding box around transparent bottle

Cascade Classifier Circle Detection

h264 encode data -> socket -> opencv decode ??

How can I change car recognition to people recognition?

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