SecretSign: A Method of Finding a Specific Vehicle Privately and Quickly Using Flashing Lights

In this paper we propose SecretSign, an interactive system which enables users of shared-mobility services to find their allocated vehicle quickly without notifying other people of the identity of the target vehicle. A light attached to the target vehicle turns on and off in conjunction with the user’s operation of a remote control device, while the lights on other vehicles blink in ‘random’ patte...