EMBEDDING AND DETECTING HIDDEN INFORMATION

EMBEDDING AND DETECTING HIDDEN INFORMATION

A novel method is disclosed for embedding hidden information in a document comprising characters, including: determining hidden information to be embedded in each class of layout transformation respectively; acquiring a code sequence for each class of layout transformation by coding the hidden infor...

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Hauptverfasser: YIN SHUTIAN, WANG DONGLIN, LIU CHANGWEI, ZHANG YUNMING, GAO PENG, LIANG YUANSONG, LIU NINGSHENG, OUYANG DE, LOU YONGZHI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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creator YIN SHUTIAN
WANG DONGLIN
LIU CHANGWEI
ZHANG YUNMING
GAO PENG
LIANG YUANSONG
LIU NINGSHENG
OUYANG DE
LOU YONGZHI
description A novel method is disclosed for embedding hidden information in a document comprising characters, including: determining hidden information to be embedded in each class of layout transformation respectively; acquiring a code sequence for each class of layout transformation by coding the hidden information to be embedded in the class of layout transformation; performing layout transformation on characters from the document according to the acquired code sequence for each class of layout transformation respectively.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
title EMBEDDING AND DETECTING HIDDEN INFORMATION
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