| 摘要 |
An optical code, a method for encoding data according to said code, and a method for reading data encoded according to said code. The code formed of an array of equal-size elements, each element being the smallest representation of a data value. Elements being one of the following types of element; a first type where the entire area of the element is a single colour, a second type where the area is divided into at least two portions and each portion being a respective colour. The array having at least one of the second type of element. |
