1. A method, comprising: obtaining a first image captured by a camera, the first image comprising at least one real object; defining a first search domain comprising a plurality of data sets corresponding to the at least one real object; analyzing at least one characteristic property of the first image to identify a particular one of the plurality of data sets of the first search domain; defining a second search domain comprising at least the particular one of the plurality of data sets, wherein the second search domain is reduced from the first search domain; obtaining a second image generated by the camera; and analyzing at least one characteristic property of the second image using the second search domain to determine whether the at least one characteristic property of the second image corresponds to information of a data set of the second search domain.