Matrix two-dimensional code coding method and decoding method
A technology of matrix two-dimensional codes and coding methods, which is applied in error detection coding, record carriers used by machines, error correction/detection using block codes, etc., and can solve problems such as difficult to read, unreadable barcodes, and low space utilization And other issues
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[0086] see figure 1 , figure 2 and image 3 , the first aspect, the present invention provides a kind of coding method of matrix two-dimensional code, comprising:
[0087] Step S1, converting the information code into a data code;
[0088] This step is to analyze the input information flow or data flow to determine the type of encoded characters in the information. The coded character sets contained in information coding are: (1) digital data (numbers 0 to 9); (2) alphanumeric data (numbers, letters; 9 other characters space, $, %, *, +, one, ., / ,:); (3) 8-bit byte data; (4) Chinese characters. Since the encoded information stream is usually composed of multiple types of data, such as: numeric characters, English text characters, Chinese characters, etc., it is necessary to analyze the information to determine the data type, and perform corresponding data processing according to the corresponding type. coding. When encoding, the string is divided into multiple fields a...
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