Method for estimating a distance from a first communication device to a second communication device, and corresponding communication devices, server and system

摘要

The invention concerns a method for estimating a distance from a first communication device to a second communication device. According to an aspect of the invention, the method comprises:Taking a picture of the second communication device by the first communication device;Obtaining a description of the second communication device;Identifying the second communication device in the picture, by using said description;Estimating a distance from the first communication device to the second communication device by using the description of the second communication device and dimensions of the second communication device identified in the picture.