Questions - OpenCV Q&A Forum

276

views

no

answers

no

votes

2013-06-06 01:27:52 -0600 newbie111

Can we find Camera matrix, without calibration? [closed]

243

views

no

answers

no

votes

2013-10-07 07:36:51 -0600 bazz-dee

Intrinsic initialisation

345

views

no

answers

no

votes

2014-09-09 08:12:27 -0600 M1900

distortion correction using one image

1k

views

no

answers

1

vote

2015-01-14 07:11:56 -0600 drewmacqu

calibrateCamera - is it possible to constrain the Principal Point to be inside the image size?

767

views

no

answers

no

votes

2020-10-20 04:54:46 -0600 sturkmen

Viz3d setCamera() only works the first time it is called

594

views

no

answers

1

vote

2015-08-10 08:21:33 -0600 Beefoffee

How to flip a camera calibration?

331

views

no

answers

no

votes

2016-03-22 12:21:53 -0600 maestroo

How to calibrate a 3D camera?

486

views

no

answers

no

votes

2016-07-13 17:04:12 -0600 MRDaniel

Mock Camera Intrinsics

475

views

no

answers

no

votes

2016-09-27 05:06:46 -0600 Captain_Obvious

CalibrateCamera returns bad intrinsic Matrix [closed]

260

views

no

answers

no

votes

2017-10-27 07:05:37 -0600 ROSpioneer

Working with a camera with variable focal length

1k

views

no

answers

no

votes

2018-03-14 06:54:03 -0600 KirbX

Generate intrinsic matrix from exif values

528

views

no

answers

no

votes

2018-05-14 17:08:56 -0600 arlenelalala

PiCamera V2, intrinsic matrix after calibration to compare

363

views

no

answers

no

votes

2018-05-22 01:58:08 -0600 arlenelalala

Using OpenCV to calibrate Pi Camera always gives me the same fx and fy for focal length

122

views

no

answers

1

vote

2019-04-30 03:55:17 -0600 xavier12358

Adapt the intrinsic parameters according to the resolution

210

views

no

answers

no

votes

2019-06-04 07:40:45 -0600 Kafan

Should I use focal length from camera matrix or new camera matrix for depth estimation?

169

views

no

answers

no

votes

2019-10-17 10:56:13 -0600 necator9

Data set with known camera parameters

126

views

no

answers

no

votes

2020-04-11 05:42:51 -0600 amartincv

How to create a OpenCV camera from this parameters?

7k

views

1

answer

3

votes

2013-02-18 08:14:59 -0600 matt.hammer

Results of camera calibration vary

927

views

1

answer

1

vote

2013-06-12 01:52:39 -0600 berak

focal length fx and fy , do they change for a camera capable of zooming ?

1k

views

1

answer

1

vote

2013-11-21 10:38:21 -0600 Cuong

Stereo Rectification - Rectified image larger than original one

398

views

1

answer

no

votes

2014-01-31 08:54:54 -0600 JohannesZ

How to compute the intrinsic parameters only (no extrinsic)

3k

views

1

answer

1

vote

2014-05-14 04:45:06 -0600 AlexofNTU

The coordinate system of pinhole camera model

3k

views

1

answer

no

votes

2014-10-23 13:07:33 -0600 petititi

does auto focus change focal length or intrinsic parameters?

826

views

1

answer

no

votes

2015-02-10 06:31:23 -0600 razvan

Problem when automatically calculating the intrinsic camera values for reduced camera resolutions

2k

views

1

answer

no

votes

2015-03-19 13:09:14 -0600 mox

Online estimation of euler angels (camera pose) using images from camera and opencv library

1k

views

1

answer

no

votes

2016-02-23 07:12:23 -0600 Tankard

What algorithm does cv::findChessboardCorners use?

13k

views

1

answer

no

votes

2018-04-18 04:18:31 -0600 Grillteller

Understanding the Result of Camera Calibration and its Units

641

views

1

answer

no

votes

2018-07-02 15:13:18 -0600 Peri Javia

Intrinsic Camera Parameters

1k

views

1

answer

no

votes

2019-11-21 14:57:57 -0600 opalmirror

Rotating Camera Intrinsics Matrix

1k

views

1

answer

no

votes

2020-05-06 20:54:58 -0600 kastaa

31 questions

Can we find Camera matrix, without calibration? [closed]

Intrinsic initialisation

distortion correction using one image

calibrateCamera - is it possible to constrain the Principal Point to be inside the image size?

Viz3d setCamera() only works the first time it is called

How to flip a camera calibration?

How to calibrate a 3D camera?

Mock Camera Intrinsics

CalibrateCamera returns bad intrinsic Matrix [closed]

Working with a camera with variable focal length

Generate intrinsic matrix from exif values

PiCamera V2, intrinsic matrix after calibration to compare

Using OpenCV to calibrate Pi Camera always gives me the same fx and fy for focal length

Adapt the intrinsic parameters according to the resolution

Should I use focal length from camera matrix or new camera matrix for depth estimation?

Data set with known camera parameters

How to create a OpenCV camera from this parameters?

Results of camera calibration vary

focal length fx and fy , do they change for a camera capable of zooming ?

Stereo Rectification - Rectified image larger than original one

How to compute the intrinsic parameters only (no extrinsic)

The coordinate system of pinhole camera model

does auto focus change focal length or intrinsic parameters?

Problem when automatically calculating the intrinsic camera values for reduced camera resolutions

Online estimation of euler angels (camera pose) using images from camera and opencv library

What algorithm does cv::findChessboardCorners use?

Understanding the Result of Camera Calibration and its Units

Intrinsic Camera Parameters

Rotating Camera Intrinsics Matrix

Imprecise intrinsic/extrinsic calibration with Aruco markers

Links

Contributors

Tags