CPC G06K 7/1413 (2013.01) [G06K 19/0614 (2013.01); G06K 19/06028 (2013.01)] | 8 Claims |
1. A color bar code, comprising:
a code block, comprising:
a header region, comprising a specific color; and
a code region, comprising at least two code color bars with different color kinds, wherein a color sequence of the code color bars indicates a code;
wherein the code color bars form concentric layers surrounding the header region;
wherein the code color bars comprises a first code color bar surrounding the header region, and comprises a second code color bar surrounding the first code color bar;
wherein the second code color bar does not contact the header region.
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