Title:
METHOD AND DEVICE FOR AUTOMATICALLY RECOGNIZING SPORT COURT AND DETERMINING IN/OUT ON BASIS OF SAME
Document Type and Number:
WIPO Patent Application WO/2020/196937
Kind Code:
A1
Abstract:
A method for automatically recognizing a sport court according to the present invention includes: a step for acquiring an original image of the sport court as captured by a camera; a step for converting the acquired original image and generating a binarized image; a step for detecting lines forming the court from the binarized image; a step for adding virtual extension lines to the detected lines to compensate for missing lines, to thereby generate preliminary court lines; a step for comparing a pre-stored regulation size sport court template and the preliminary court lines; a step for correcting the preliminary court lines according to the comparison result; a step for labeling the corrected court lines; and a step for generating sport court information including labeling information.
Inventors:
PARK CHANG MAN (KR)
YEOM KIWON (KR)
RYU JONGHYON (KR)
JEONG HOWON (KR)
YEOM KIWON (KR)
RYU JONGHYON (KR)
JEONG HOWON (KR)
Application Number:
PCT/KR2019/003410
Publication Date:
October 01, 2020
Filing Date:
March 24, 2019
Export Citation:
Assignee:
DIBL CO LTD (KR)
International Classes:
G06K9/00; A63B67/18; A63B71/04; A63B71/06; G06T5/00; G06T7/11; G06T7/70; A63B102/04
Foreign References:
| CN103745483A | 2014-04-23 | |||
| US20070104368A1 | 2007-05-10 | |||
| US20170337714A1 | 2017-11-23 | |||
| US20020122115A1 | 2002-09-05 | |||
| KR20110084072A | 2011-07-21 | |||
| KR101973655B1 | 2019-08-26 |
Attorney, Agent or Firm:
BAE, Hyoung-sang et al. (KR)
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