Questions - OpenCV Q&A Forum

161

views

no

answers

no

votes

2019-09-10 07:16:33 -0600 geregabor

Wrong Intrinsic and Distrotion coefficients

calibrateCamera

285

views

no

answers

1

vote

2019-09-09 03:04:15 -0600 Bleach

Multi camera calibration with flat pattern, error minimization.

2k

views

1

answer

no

votes

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

python ret value vastly different from reprojection error

3k

views

2

answers

no

votes

2020-01-02 09:05:12 -0600 nanmeng2999

calibrateHandEye precision

1k

views

1

answer

no

votes

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

size of distCoeffs

432

views

no

answers

-1

votes

2019-06-12 03:25:39 -0600 Daverry

Is it possible to record in 4 bit greyscale with recording in color then converting to 4 bit greyscale? [closed]

514

views

1

answer

no

votes

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

Point correspondences for camera calibration using non-standard pattern

829

views

1

answer

no

votes

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

Camera calibration without Z component?

112

views

no

answers

-1

votes

2019-04-30 00:17:44 -0600 artz3345

3D Camera Pose Estimation

658

views

1

answer

no

votes

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

unexpected results from undistort using charuco camera calibration

256

views

no

answers

no

votes

2019-03-26 14:39:44 -0600 R.M.van_l

How to counteract the scalling of the x and y coordinate when getting closer to the object

1k

views

no

answers

no

votes

2019-02-25 14:09:41 -0600 edelmanjm

undistortPoints() returns odd/nonsensical values despite apparently functional camera calibration

916

views

no

answers

no

votes

2019-02-22 08:07:22 -0600 C_A_M_R

Bad results with calibration over multiple Images in Python

164

views

no

answers

no

votes

2019-01-31 14:09:47 -0600 Arturo

Error Projection Points ArUco Marks

1k

views

no

answers

no

votes

2019-02-06 13:03:38 -0600 sdwarfs

Interpretation of translational vectors results of camera calibration.

342

views

no

answers

no

votes

2019-01-15 18:34:30 -0600 Tetragramm

[Opencv4] Settings.write not working Incorrect element name {; should start with a letter or '_' in function 'operator<<'

6k

views

1

answer

no

votes

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

Extract rotation and translation from Fundamental matrix

calibrateCamera

185

views

no

answers

-1

votes

2019-01-04 18:42:35 -0600 czjczjczj1

Cannot run code for camera calibration [closed]

1k

views

1

answer

-1

votes

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

identifier "calibrateCameraRO" is undefined [closed]

3k

views

no

answers

2

votes

2018-12-21 07:38:47 -0600 joyuer

Circle pattern or chessboard for calibration?

744

views

no

answers

no

votes

2018-12-12 09:05:36 -0600 user8469759

SolvePnP vs Calibrate camera

778

views

no

answers

no

votes

2018-11-07 03:20:26 -0600 hayley

Using calibrateCamera without Chessboard

1k

views

no

answers

no

votes

2018-11-06 08:33:54 -0600 Pavel Iacovlev

Camera calibration: Converting k1, k2, k3, k4 to lens distortion a, b and c parameters.

3k

views

no

answers

no

votes

2018-11-05 11:58:57 -0600 shivamp21

projectPoint is not working in openCV throwing error on bad arguments

3k

views

no

answers

no

votes

2018-10-25 05:46:03 -0600 wildwallaby

python cv2 stereoCalibrate [closed]

88

views

no

answers

no

votes

2018-09-14 13:13:16 -0600 Hamid_Vision

how can I run camera calibration C++ code of Learn OpenCV (Kahler&Bradski)?

1k

views

1

answer

no

votes

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

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

457

views

1

answer

no

votes

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

Can't get images from 2 cameras

2k

views

no

answers

-1

votes

2018-09-09 12:49:42 -0600 earcz

How to use camera parameters to calculate world distance in cm between pixels?

976

views

no

answers

no

votes

2018-09-05 04:53:34 -0600 astronaut

243 questions

Wrong Intrinsic and Distrotion coefficients

Multi camera calibration with flat pattern, error minimization.

python ret value vastly different from reprojection error

calibrateHandEye precision

size of distCoeffs

Is it possible to record in 4 bit greyscale with recording in color then converting to 4 bit greyscale? [closed]

Point correspondences for camera calibration using non-standard pattern

Camera calibration without Z component?

3D Camera Pose Estimation

unexpected results from undistort using charuco camera calibration

How to counteract the scalling of the x and y coordinate when getting closer to the object

undistortPoints() returns odd/nonsensical values despite apparently functional camera calibration

Bad results with calibration over multiple Images in Python

Error Projection Points ArUco Marks

Interpretation of translational vectors results of camera calibration.

[Opencv4] Settings.write not working Incorrect element name {; should start with a letter or '_' in function 'operator<<'

Extract rotation and translation from Fundamental matrix

Cannot run code for camera calibration [closed]

identifier "calibrateCameraRO" is undefined [closed]

Circle pattern or chessboard for calibration?

SolvePnP vs Calibrate camera

Using calibrateCamera without Chessboard

Camera calibration: Converting k1, k2, k3, k4 to lens distortion a, b and c parameters.

projectPoint is not working in openCV throwing error on bad arguments

python cv2 stereoCalibrate [closed]

how can I run camera calibration C++ code of Learn OpenCV (Kahler&Bradski)?

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

Can't get images from 2 cameras

How to use camera parameters to calculate world distance in cm between pixels?

How to find the depth (distance from the camera to the object) in m from disparity map, knowing all calibration parameters ?

Links

Contributors

Tags