Questions - OpenCV Q&A Forum

360

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1

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no

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2018-07-30 22:49:41 -0600 berak

Should one undistort each set of calibration images with camera calibration intrinsics before stereo calibration of a pair of cameras?

386

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1

answer

no

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2018-08-21 05:48:54 -0600 JosephChang57

One suspicious issue of Fisheye calibration at opencv4.0.0 pre

calibrateCamera

457

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1

answer

no

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2018-09-11 05:26:50 -0600 kbarni

Can't get images from 2 cameras

1k

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1

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no

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2018-09-12 05:07:12 -0600 kbarni

Get accurate depth from two monocular cameras (working as stereo) by long distances ?

1k

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1

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-1

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2019-01-04 14:49:25 -0600 LBerger

identifier "calibrateCameraRO" is undefined [closed]

6k

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1

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no

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2019-01-12 18:48:05 -0600 Eduardo

Extract rotation and translation from Fundamental matrix

calibrateCamera

660

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1

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no

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2019-04-15 08:39:20 -0600 jochemspek

unexpected results from undistort using charuco camera calibration

839

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1

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no

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2019-05-09 05:05:32 -0600 HYPEREGO

Camera calibration without Z component?

524

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1

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no

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2019-08-14 06:37:19 -0600 dnns

Point correspondences for camera calibration using non-standard pattern

1k

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1

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no

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2019-08-02 02:10:39 -0600 dnns

size of distCoeffs

2k

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1

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no

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2019-08-15 04:38:56 -0600 dnns

python ret value vastly different from reprojection error

662

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1

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no

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2019-10-16 03:30:42 -0600 Eduardo

Unclear how calibrateCamera estimates stdDeviations (perhaps wrong) [closed]

216

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1

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no

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2019-10-25 22:11:19 -0600 fabianc20

camera_calibration.cpp fails when pasing a file list (InputType = IMAGE_LIST)

1k

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1

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no

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

Rotating Camera Intrinsics Matrix

701

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1

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no

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2020-01-22 04:07:55 -0600 mvuori

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

calibrateCamera

773

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1

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no

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2020-02-06 13:38:58 -0600 opalmirror

[stereo calibration] intrinsic parameters estimation at different resolutions

5k

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1

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no

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2020-02-13 08:03:24 -0600 wisewolf76

Difference between Camera Matrix and Projection matrix for monocular camera calibration.

1k

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1

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no

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2020-04-13 14:50:45 -0600 Eduardo

Drawing checkerboard's reference frame does not yield correct results (solvePnp+projectPoints)

2k

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1

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no

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2020-08-03 07:45:48 -0600 berak

Rectified Images Show unwanted results, OpenCV with Stereo Vision

2k

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1

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no

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2020-09-22 10:41:39 -0600 ConnorM

Assertion Failed ( fabs(sc) > DBL_EPSILON ) using aruco::calibrateCameraCharuco

401

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1

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no

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2020-09-01 18:41:04 -0600 becca

Locate specific pixel from left and right view on the disparity map

1k

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1

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2

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2020-09-13 04:17:10 -0600 berak

why the order of colors in drawChessboardCorners() changes?

2k

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2

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no

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2013-04-12 00:25:43 -0600 Stefan_Schaeffler

Camera calibration .exe

calibrateCamera

2k

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2

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no

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2013-04-15 10:33:11 -0600 StevenPuttemans

‘calibrateCamera’ is not a member of ‘cv’

17k

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2

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2

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2013-05-28 11:46:36 -0600 RaulPL

2D pixel coordinate to 3D world coordinate conversion

1k

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2

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no

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2016-08-03 14:02:19 -0600 sweeneychris

Problem with OpenCV camera calibration from video file

2k

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2

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no

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2013-07-19 11:42:28 -0600 ahof1704

use opencv to calibrate camera problem

4k

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2

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1

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2014-02-24 02:34:06 -0600 jensenb

chessboard not found while calibrating camera

calibrateCamera

1k

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2

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no

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2015-02-04 16:00:24 -0600 Graf

Use a camera to detect an object and mark it in the real world with a beamer

711

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2

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1

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2016-03-07 06:05:45 -0600 andreivan

243 questions

Should one undistort each set of calibration images with camera calibration intrinsics before stereo calibration of a pair of cameras?

One suspicious issue of Fisheye calibration at opencv4.0.0 pre

Can't get images from 2 cameras

Get accurate depth from two monocular cameras (working as stereo) by long distances ?

identifier "calibrateCameraRO" is undefined [closed]

Extract rotation and translation from Fundamental matrix

unexpected results from undistort using charuco camera calibration

Camera calibration without Z component?

Point correspondences for camera calibration using non-standard pattern

size of distCoeffs

python ret value vastly different from reprojection error

Unclear how calibrateCamera estimates stdDeviations (perhaps wrong) [closed]

camera_calibration.cpp fails when pasing a file list (InputType = IMAGE_LIST)

Rotating Camera Intrinsics Matrix

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

[stereo calibration] intrinsic parameters estimation at different resolutions

Difference between Camera Matrix and Projection matrix for monocular camera calibration.

Drawing checkerboard's reference frame does not yield correct results (solvePnp+projectPoints)

Rectified Images Show unwanted results, OpenCV with Stereo Vision

Assertion Failed ( fabs(sc) > DBL_EPSILON ) using aruco::calibrateCameraCharuco

Locate specific pixel from left and right view on the disparity map

why the order of colors in drawChessboardCorners() changes?

Camera calibration .exe

‘calibrateCamera’ is not a member of ‘cv’

2D pixel coordinate to 3D world coordinate conversion

Problem with OpenCV camera calibration from video file

use opencv to calibrate camera problem

chessboard not found while calibrating camera

Use a camera to detect an object and mark it in the real world with a beamer

OpenCV4Android Camera Calibration sample error

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