ENCODING METHOD AND DECODING METHOD FOR ANNULAR 2-DIMENSIONAL BAR CODE

WIPO Patent Application WO/2024/113874

A1

Disclosed in the present application is an encoding method for an annular 2-dimensional bar code. The encoding method comprises: converting into binary data data to be encoded; determining a 2-dimensional bar code version of a 2-dimensional bar code to be generated, wherein said 2-dimensional bar code comprises a plurality of rings corresponding to the same center, and each ring corresponds to a plurality of data bits; determining a plurality of valid data bits of the plurality of rings according to the 2-dimensional bar code version; dividing the plurality of valid data bits into a plurality of data segments; and according to metadata and the binary data, generating corresponding code element patterns at the plurality of valid data bits, so as to obtain an annular 2-dimensional bar code. The annular 2-dimensional bar code provided in the present application needs a specific encoding and decoding mode, has secure data content, and is suitable for being specially used in a specific scenario.

JP4235193	Event history storage device, event information verification device, event history storage method, event information verification method and event information processing system
JP2007249692	IMAGE PROCESSOR
JP4409081	Data terminal equipment

WENG YANG (CN)
ZHANG WEIHUA (CN)

PCT/CN2023/106155

June 06, 2024

July 06, 2023

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SHANGHAI BILIBILI TECH CO LTD (CN)

G06F21/60

CN115809469A	2023-03-17
CN114912475A	2022-08-16
CN110288069A	2019-09-27
CN115271013A	2022-11-01
CN108764420A	2018-11-06
CN109948762A	2019-06-28
JP2009129410A	2009-06-11

INTELLECPRO CHINA LIMITED (CN)

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