REVERSIBLE INFORMATION HIDING METHOD AND APPARATUS FOR ENCRYPTED IMAGES, AND COMPUTER DEVICE

UITTREKSEL The present application belongs to the technical field of information hiding and discloses a reversible information hiding method and apparatus for encrypted images, and a computer device. The method includes: encrypting an original image into a plurality 5 of different encrypted images a...

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Bibliographic Details
Main Authors BING CHEN, YUNSHAN WEI, JUN CAI
Format Patent
LanguageEnglish
Published 23.01.2024
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:UITTREKSEL The present application belongs to the technical field of information hiding and discloses a reversible information hiding method and apparatus for encrypted images, and a computer device. The method includes: encrypting an original image into a plurality 5 of different encrypted images and sending the same to different information hiding parties; performing information hiding on the plurality of different encrypted, images by the different information hiding parties to obtain a plurality of marked encrypted images; acquiring at least three marked encrypted images 10 from. the different information hiding parties, performing data extraction on the at least three marked encrypted images to obtain secret messages and decrypting the same to obtain original messages; and performing image restoration on the at least three marked encrypted images to obtain the original image. The present 15 application can achieve the effect of improving the restorability of the original image and the embedded data. (+ Fig. 2)
Bibliography:Application Number: NL20232035256