Two-dimensional code having superior decoding properties making it possible to control the level of error correcting codes, and method for encoding and decoding the same
AssigneeIconlab, Inc
InventorsKyoung-Tae Kim, Dong-Jin Kwon
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Abstract
Two-dimensional code having superior decoding property making it possible to control the level of error correcting codes, and a method for encoding and decoding the two-dimensional code is provided. The two-dimensional code includes a finding pattern area comprised of finding patterns for discriminating the code area from the whole image, a timing pattern area comprised of timing patterns for checking a position of the data area from the whole code and the position of each cell of the data area, and a data area being inputted with various kinds of data and decoding information.
Claims20
A method for encoding two-dimensional code comprising:
- inputting encoding-information objected to be encoded;
- deciding a number of each codeword according to said information;
- generating each codeword;
- and
- encoding data of said generated codeword into a two dimensional code having a finding pattern area including finding patterns to discriminate a code area from a whole image,
- a timing pattern area including timing patterns to check a data region position and each cell in a data region from a whole code image, said timing pattern area having a U-shape, and
- a data area having recorded various kind of predetermined data and decoding information.
A method for encoding two-dimensional code comprising:
- inputting encoding-information objected to be encoded;
- deciding a number of each codeword according to said information;
- generating each codeword;
- and
- encoding data of said generated codeword into a two dimensional code having
- a finding pattern area including finding patterns to discriminate a code area from a remaining non-code area,
- a timing pattern area including timing patterns to locate a data region and to align lattice coordinates of each cell in a data region from a whole code image, said timing pattern area having a U-shape, and
- a data area having recorded various kind of predetermined data and decoding information.
Dependencies are inferred from the claim text.