Title:
METHOD AND APPARATUS FOR CALIBRATION BETWEEN LEAP MOTION AND HMD USING BUNDLE ADJUSTMENT ALGORITHM
Document Type and Number:
WIPO Patent Application WO/2019/135462
Kind Code:
A1
Abstract:
The present invention relates to a method and an apparatus for calibration between a leap motion and an HMD. According to the present invention, the method comprises the steps of: converting n two-dimensional images at various point of views obtained by photographing an HMD equipped with a leap motion by using an infrared camera into n sparse matrices; obtaining n projection matrices by using the n sparse matrices and one three-dimensional point group obtained by approximating the n sparse matrices to a three-dimensional space; projecting the three-dimensional point group onto the n two-dimensional images so as to obtain n two-dimensional point groups; for each of the n two-dimensional images, identifying two-dimensional points within a spherical cluster among points belonging to the two-dimensional point groups after detecting a plurality of spherical clusters; obtaining a three-dimensional center point of each spherical cluster on the basis of three-dimensional points corresponding to the two-dimensional points in the spherical cluster from among points belonging to the three-dimensional point group; and estimating and calibrating the origins of the leap motion and the HMD on the basis of the three-dimensional center point and the cluster size of each spherical cluster.
Inventors:
SUNG YUN SICK (KR)
CHO KYUNG EUN (KR)
PARK SAN (KR)
CHO KYUNG EUN (KR)
PARK SAN (KR)
Application Number:
PCT/KR2018/010002
Publication Date:
July 11, 2019
Filing Date:
August 29, 2018
Export Citation:
Assignee:
UNIV DONGGUK IND ACAD COOP (KR)
International Classes:
G06F3/01; G02B27/01
Foreign References:
| KR20140090549A | 2014-07-17 | |||
| KR20150025117A | 2015-03-10 | |||
| KR20140108828A | 2014-09-15 | |||
| US20150381973A1 | 2015-12-31 |
Other References:
PARK, SAN ET AL.: "An Image Processing Based Method for HMD-Leap Motion Position Calibration", PROCEEDINGS OF 2017 FALL CONFERENCE, vol. 24, no. 2, 3 November 2017 (2017-11-03), Retrieved from the Internet
PARK, SAN: "Calibration Method for HMD-Leap Motion Using Bundle Adjustment Algorithm", MASTER'S THESIS IN MULTIMEDIA ENGINEERING-DONGGUK UNIVERSITY: DEPARTMENT OF MULTIMEDIA ENGINEERING, 1 January 2018 (2018-01-01)
PARK, SAN: "Calibration Method for HMD-Leap Motion Using Bundle Adjustment Algorithm", MASTER'S THESIS IN MULTIMEDIA ENGINEERING-DONGGUK UNIVERSITY: DEPARTMENT OF MULTIMEDIA ENGINEERING, 1 January 2018 (2018-01-01)
Attorney, Agent or Firm:
TAEBAEK INTELLECTUAL PROPERTY LAW FIRM (KR)
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