A kind of color three-dimensional code generator and color three-dimensional code reading method

Abstract

A color three-dimensional code generator, comprising at least: a code map structure forming module, a code map area division module, and a code map information expression module, wherein: the code map structure forming module is used for the three-dimensional code map according to the capacity of the data to be stored. The codes are arranged in a square and displayed; the code map area dividing module is connected with the code map structure forming module, and is used to divide the square three-dimensional code generated by the code map structure forming module into a boundary positioning area and a Internal information storage area; the code map information expression module, connected with the code map area division module, is composed of a plurality of code map information expression units, and the code map information expression module uses the color code map information expression unit to express to-be-stored data and present it in the 3D code.

Description

technical field [0001] The invention relates to the field of barcode coding and reading, in particular to a color three-dimensional code generator and a color three-dimensional code reading method. Background technique [0002] Traditional barcodes (such as figure 1 As shown) can only represent limited characters, which is only a kind of identification of the item, but cannot carry the description information for the item. Therefore, it must rely on the existence of the database during use, which greatly limits the application scenarios of the barcode. [0003] With QR (Quick Response, quick response) code (see Figure 2a ) as a representative matrix two-dimensional code uses rectangular blocks in a plane two-dimensional space to express information. Its information density is more than 20 times that of traditional barcodes, and the maximum information storage capacity can reach about 1KB. In order to further increase the storage density of barcodes, the following two dire...

AI Technical Summary

Problems solved by technology

The color 3D code with a capacity of more than 500 bytes occupies a large area, and it is prone to uneven illumination of each part of the code map, which will lead to a large reading error rate

[0008] In addition, the dilemma of color 3D codes is that the recognition of colors (more than 4 colors) is more easily affected by the light source. There is also a large area and prone to uneven illumination of various parts of the code map, which will lead to a large reading error rate

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