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1. (WO2018078607) A METHOD AND APPARATUS FOR DETECTION OF LIGHT-MODULATED SIGNALS IN A VIDEO STREAM

Pub. No.:    WO/2018/078607    International Application No.:    PCT/IB2017/056759
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Wed Nov 01 00:59:59 CET 2017
IPC: G01S 3/784
G06F 3/01
A63F 13/213
Applicants: WILDHABER, Fabien
Inventors: WILDHABER, Fabien
Title: A METHOD AND APPARATUS FOR DETECTION OF LIGHT-MODULATED SIGNALS IN A VIDEO STREAM
Abstract:
A method for detection of an emitter mobile device (B) equipped with a light by a receiver mobile device (A) equipped with a camera, comprising: the emitter mobile device (B) emits a light-modulated signal to advertise its identity or state; the receiver mobile device (A) captures a series of frames with said camera;the modulated signal is detected from said frames; the pixel position of the emitter mobile device on a within the camera frame of the receiver mobile device is detected.