Title:
VISIBLE LIGHT COMMUNICATION METHOD FOR TRANSMITTING ADDITIONAL DATA HIDDEN IN DISPLAY
Document Type and Number:
WIPO Patent Application WO/2017/119620
Kind Code:
A1
Abstract:
A communication method for transmitting a signal from a transmission device having a display to a reception device having a camera, according to the present invention, comprises the steps of: a transmission device including data for transmission (hereafter referred to as "transmission data") in an image signal by means of an invisible data embedding technique, which is for including an invisible value in the colors displayed on a display, and outputting same; and a reception device receiving the image signal by means of a camera and extracting the transmission data.
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Inventors:
CHA JAE SANG (KR)
Application Number:
PCT/KR2016/014392
Publication Date:
July 13, 2017
Filing Date:
December 08, 2016
Export Citation:
Assignee:
FOUND RES & BUSINESS SEOUL NAT UNIV SCIENCE & TECH (KR)
International Classes:
H04N5/44; H04B10/116; H04N5/225
Foreign References:
| KR20070073839A | 2007-07-10 | |||
| JP2012151535A | 2012-08-09 | |||
| KR20110139418A | 2011-12-29 | |||
| JP2000152148A | 2000-05-30 | |||
| JP2001257865A | 2001-09-21 |
Attorney, Agent or Firm:
JIMYUNG PATENT FIRM (KR)
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