Questions - OpenCV Q&A Forum

368

views

1

answer

no

votes

2018-11-27 09:52:44 -0600 LBerger

How to use more than two cameras?

4k

views

1

answer

no

votes

2018-12-06 01:46:27 -0600 berak

Blank video and error message: [ WARN:0] cvCreateFileCaptureWithPreference: backend MSMF doesn't support legacy API anymore

841

views

1

answer

no

votes

2019-01-12 06:11:43 -0600 berak

OpenCV 4.0 count cameras number

2k

views

1

answer

no

votes

2019-04-15 04:26:48 -0600 StevenPuttemans

OpenCV Yolo Tiny Slow

1k

views

1

answer

no

votes

2019-05-28 19:16:33 -0600 Tetragramm

one point (u,v) to actual (x,y) w.r.t camera frame?

783

views

1

answer

no

votes

2019-10-14 10:49:06 -0600 Kitnos

Maximum camera tablet resolution 1080p giving 640x480

268

views

1

answer

no

votes

2019-11-12 07:07:31 -0600 berak

Check camera activity

242

views

1

answer

no

votes

2020-05-27 13:16:15 -0600 kpachinger

OpenCV camera works really strange (Android)

1k

views

1

answer

no

votes

2020-10-09 02:45:32 -0600 RashidLadj

OpenCV solvePnPRansac() function

446

views

1

answer

no

votes

2020-08-05 21:59:05 -0600 supra56

I’m using raspberry pi with python3. I don’t have the raspo camera. So how would make the videocapture(0) go to a web page? I have seen very complicated ways that I don’t understand yet. Are there basic ways to do this?

2k

views

2

answers

no

votes

2012-07-12 16:49:17 -0600 blue

videofacerec.py example help

4k

views

2

answers

1

vote

2012-08-29 09:30:02 -0600 AlexanderShishkov

Camera Count using OpenCV 2.4

2k

views

2

answers

3

votes

2012-12-14 03:09:02 -0600 V.G.

tuto Android 4.1.1 + OpenCV 2.4.2 + Nexus S

2k

views

2

answers

no

votes

2013-01-17 08:57:10 -0600 walter88

estimate the value of the luminance (the amount of light) from the camera with openCV

3k

views

2

answers

no

votes

2013-02-11 09:07:34 -0600 berak

OpenCV code for network camera working for axis not canon

3k

views

2

answers

no

votes

2013-03-18 03:48:25 -0600 Barry Thomas

flag of United Kingdom of Great Britain and Northern Ireland

Android: Stretch camera

6k

views

2

answers

no

votes

2013-07-06 07:13:44 -0600 StevenPuttemans

Capture one resolution from camera but display another

3k

views

2

answers

1

vote

2013-12-05 08:16:11 -0600 bpp

Human height estimation using a calibrated camera

7k

views

2

answers

1

vote

2015-01-19 03:55:46 -0600 Deepak Kumar

Interface Intel Realsense Camera

51k

views

2

answers

6

votes

2016-01-22 06:55:13 -0600 pablo

how to stream h264 video with rtsp in opencv- partially answered

290

views

2

answers

2

votes

2017-01-07 12:16:37 -0600 Eduardo

Callibrating a bunch of cameras - Can I use a linear rail robot?

2k

views

2

answers

no

votes

2017-03-16 06:35:04 -0600 berak

Initialize MAT from pointer - help. [closed]

715

views

2

answers

no

votes

2018-09-22 23:00:19 -0600 onthegrid007

upgrading to opencv 3.4.2 to run a programme the camera release( capture.release() ) function not working

2k

views

2

answers

no

votes

2020-05-06 01:07:47 -0600 berak

Create mock OpenCV camera on Python

5k

views

4

answers

no

votes

2020-11-20 01:41:09 -0600 dkurt

115 questions

How to use more than two cameras?

Blank video and error message: [ WARN:0] cvCreateFileCaptureWithPreference: backend MSMF doesn't support legacy API anymore

OpenCV 4.0 count cameras number

OpenCV Yolo Tiny Slow

one point (u,v) to actual (x,y) w.r.t camera frame?

Maximum camera tablet resolution 1080p giving 640x480

Check camera activity

OpenCV camera works really strange (Android)

OpenCV solvePnPRansac() function

I’m using raspberry pi with python3. I don’t have the raspo camera. So how would make the videocapture(0) go to a web page? I have seen very complicated ways that I don’t understand yet. Are there basic ways to do this?

videofacerec.py example help

Camera Count using OpenCV 2.4

tuto Android 4.1.1 + OpenCV 2.4.2 + Nexus S

estimate the value of the luminance (the amount of light) from the camera with openCV

OpenCV code for network camera working for axis not canon

Android: Stretch camera

Capture one resolution from camera but display another

Human height estimation using a calibrated camera

Interface Intel Realsense Camera

how to stream h264 video with rtsp in opencv- partially answered

Callibrating a bunch of cameras - Can I use a linear rail robot?

Initialize MAT from pointer - help. [closed]

upgrading to opencv 3.4.2 to run a programme the camera release( capture.release() ) function not working

Create mock OpenCV camera on Python

Android OpenCV + camera is just showing black screen

Links

Contributors

Tags