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Manual Ground Plane Mark up and Camera Calibration

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5.0 | 1 rating Rate this file 14 Downloads (last 30 days) File Size: 1.5 MB File ID: #35413
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Manual Ground Plane Mark up and Camera Calibration

by Ben

 

02 Mar 2012 (Updated 03 Apr 2012)

Can be used to crudely calibrate camera by eye and define groundplane.

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Description

This GUI can be used to manually define a ground plane and calibrate a camera. This results in a 3 by 4 matrix to project world co-ordinates into the image. The method is very crude and is performed by eye by guessing the scale of objects at different depths. You must also guess camera parameters such as focal length and sensor size. It assumes the groundplane is horizontal, there is no radial distortion and the camera is centered and many other assumptions I can't think of.
MATLAB release MATLAB 7.9 (R2009b)
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camera calibration, computer vision, ground plane estimation, image processing, manual mark up
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Comments and Ratings (1)
22 Mar 2013 Yu Zhang

Hello,
I downloaded your program.It is amazing! I can get the 3*4 matrix. It's perfect.Thanks for your sharing. But I'm a rookie on Camera Calibration. May I ask you a question? I got the matrix Camera.F, Camera.R and Camera.P. Could you give me the explanations on these three matrix? It would be very appreciated.

Thanks,

Heather
Updates
02 Mar 2012

small bug fix.
08 Mar 2012

The Rotation Matrix R wasn't being updated before saving the calibration data.
03 Apr 2012

Fix to stop image rescaling.

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