Matrix type two-dimensional bar code and its encoding and decoding method
A technology of two-dimensional bar code and coding method, applied in the field of matrix two-dimensional bar code and its encoding and decoding, can solve problems such as restricting the popularization of technology, and achieve the effect of increasing security
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[0078] 1. Structure description:
[0079] Unit block: The most basic unit of the two-dimensional barcode DZ-Code is a square block (also called a point, a unit block, or a rectangular color block unit). The color of each point is allowed to be two predefined colors (colorA, One of colorB), which means 0 or 1 in binary. See figure 1 .
[0080] Unit information block: One level larger than the unit block, it is a larger rectangle (or square) composed of several points (unit blocks), called a unit information block, each unit information block consists of two parts, one part Is the data area, part of which is the location identifier. DZ-Code can be composed of several unit information blocks, such as 3×3, 4×4, 5×5, and all the examples in this article are 4×4. See figure 2 .
[0081]Positioning identifier: The positioning identifier is composed of the leftmost column of points and the bottom row of points in the unit information block. According to the position of the unit...
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