PATTERN COMPRISING MULTI-PPM DATA SYMBOLS IN A FORMAT IDENTIFIED BY REGISTRATION SYMBOLS

摘要

A substrate having a coding pattern disposed thereon or therein. The coding pattern comprises a plurality of macrodots encoding data symbols and registration symbols. Each data symbol is represented by d macrodots, each of the d macrodots occupying a respective position from a plurality of predetermined possible positions p. The respective positions of the d macrodots represent one of a plurality of possible symbol values. Each registration symbol, or a set of the registration symbols, identifies an integer value of d, with the condition that p > d.