Part-I - Controller General of Patents Designs and Trademarks

(12) PATENT APPLICATION PUBLICATION (21) Application No.1592/CHE/2012 A
(19) INDIA
(22) Date of filing of Application :23/04/2012 (43) Publication Date : 21/06/2013
(54) Title of the invention : THE SURROUNDVIEW SYSTEM CAMERA AUTOMATIC CALIBRATION-ONLY EXTRINSIC
PARAMETERS
(51) International classification :G03B 7/00
(31) Priority Document No :11003828.8
(32) Priority Date :10/05/2011
(33) Name of priority country :EPO
(86) International Application No
:NA
Filing Date
:NA
(87) International Publication No : NA
(61) Patent of Addition to Application Number :NA
Filing Date
:NA
(62) Divisional to Application Number
:NA
Filing Date
:NA
(71)Name of Applicant :
1)HARMAN BECKER AUTOMOTIVE SYSTEMS
GMBH
Address of Applicant :BECKER-GORING-STR. 16, 76307
KARISBAD Germany
(72)Name of Inventor :
1)NATROSHVILI KOBA
(57) Abstract :
A method for calibrating a camera system comprising a plurality of cameras having a predetermined intrinsic calibration, the
cameras being provided on an object such as a vehicle and covering a surrounding perimeter of the object, comprising the steps of:
positioning a set of markers spaced apart by known dimensions and located on a single plane in the surrounding perimeter of the
object and in the field of view of a camera; then calculating extrinsic parameters of the camera from the respective set of markers
for the camera; and repeating the steps for each of the other cameras of the plurality of cameras.
No. of Pages : 23 No. of Claims : 15
The Patent Office Journal 21/06/2013 13861