Method of imaging a coding pattern having an orientation identified via a plurality of direction components

摘要

A method of imaging a coding pattern disposed on a surface of a substrate. The method comprises the steps of: (a) capturing an image of a portion of the coding pattern; (b) sampling and decoding a plurality of registration symbols contained in the imaged portion; (c) determining an orientation from the decoded registration symbols; and (d) using the determined orientation to sample and decode tag data.