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- W2187244913 abstract "Thedevelopment ofeffective imageauthentication based (sized downtopixel-wise) fragile image-watermarking techniques isofremarkably growing interest. Somerecentlymethodshavebeendeveloped (7-14,33). A simplefragile developed fragile, semi-fragilelrobust orhybrid-watermarking schemesimply replaces theleast significant bits(LSBs)of algorithms notonlyverify theauthenticity ofthewatermarked theimageofinterest withthechecksum(i.e., modulo-2 imagebutalso provide self-reconstruction capabilities. However,addition) bits ofalong wordofsomemostsignificant bits several algorithms havebeenreported asvulnerable tovarious attacks, especially blindpattern matching attacks, withinsufficient (MSBs)(7)In(8), theuseofauser-defined color look-up security. Wepropose anewblind dual-domain self-embedding tables (LUTs)guided pixel-wise adjustment toembedthe watermarking scheme with moresecure embeddingprocesses ofthe watermark isproposed. Wong'sblockwise method(9)and image's blocks fragile signatures androbust approximations and itspublic-key modified versions (10-12) replace theLSBsof morereliable local alterations detection withauto-correction eachblock withasignature ofits MSBs,withtheimagesize, capabilities, surviving normal image content preserving operations. imageindexand/orblockindex,xor-edwithits Hence itpreventsfalsification, thereal threat toauthentication. corresponding watermark block. Ontheother hand,semi- fragile watermarking techniques (15-17,26) embed" @default.
- W2187244913 created "2016-06-24" @default.
- W2187244913 creator A5066289218 @default.
- W2187244913 date "2007-01-01" @default.
- W2187244913 modified "2023-09-27" @default.
- W2187244913 title "TamperDetection withSelf-Correction HybridSpatial-DCT Domains ImageAuthentication Technique" @default.
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