GPS Method and server for Correcting GPS Position in downtown environment using street view service

摘要

Disclosed are a method and server for compensating for a GPS location using a street view service in an urban environment. The method for compensating for a GPS location using a street view service in an urban environment comprises the steps of: extracting, as a reference sign image, a portion in which a sign is present in the query image received from a mobile terminal; collecting candidate street view images using the street view image based on the mobile GPS location information and the mobile direction information received from the mobile terminal; collecting first and second street view images, having different locations and directions while there is a sign matching the reference sign image among the collected candidate street view images; estimating the location of the sign present in the reference sign image on a map, based on the location information and direction information about the collected first and second street view images; and estimating the location of the mobile terminal by using information about the first street view image and the location of the sign. The present invention is able to increase user convenience.