4. Image analysis
  5. Pattern recognition
  6. Limited to specially coded, human-readable characters

Yihong Xu

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Authenticatable graphical bar codes

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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Barcode having enhanced visual quality and systems and...

Registers – Coded record sensors – Particular sensor structure
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Method and apparatus for generating and decoding a visually...

Image analysis – Pattern recognition – Limited to specially coded – human-readable characters
Reexamination Certificate

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Method and apparatus for partial encryption of content

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Security kernel or utility
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2774407

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