Apr 29
🌎【#IEICE_English_Webinar 公開中！】
動画を視聴してくださった皆さま、ありがとうございました🙏
「Visual Cryptography: Theory, Optimization, and Extensions」
講師：古賀 弘樹 先生（筑波大学）
▶️youtu.be/ZmevMxsiVyA
⏳期間限定公開（約1-2か月）お早めにご視聴ください！
#VisualCryptography #SecretSharing #InformationSecurity #Cryptography #ShannonTheory
#BasisMatrix #PixelExpansion #IntegerProgramming #BIBD #HadamardMatrix #ProgressiveVCS
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Apr 23
🌎【4日前】#IEICE_English_Webinar #YouTube
「Visual Cryptography: Theory, Optimization, and Extensions」
講師：古賀 弘樹 先生（筑波大学）
📅 4月27日（月）18:00より公開
🔗 視聴はこちら：youtu.be/ZmevMxsiVyA
📘 詳細：ieice.org/eng_r/activities/w…
透明なシートを重ねるだけで秘密画像が現れる——視覚暗号の世界へ。
⏳期間限定公開（約1-2か月）お見逃しなく！
#VisualCryptography #SecretSharing #InformationSecurity #Cryptography #ShannonTheory
#BasisMatrix #PixelExpansion #IntegerProgramming #BIBD #HadamardMatrix #ProgressiveVCS
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237
20 May 2025
🔐 New Research from Cryptography Journal
PRIVocular: Enhancing User Privacy Through Air-Gapped Communication Channels
🔗 Read the full article: mdpi.com/2410-387X/9/2/29
@ComSciMath_Mdpi #MetaverseSecurity #OCR #VisualCryptography
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31 Jan 2025
🔒 Protect your digital assets!
Tune into the Season 5 premiere of @Web3CMOStories featuring @Gerard_SecVault & @JPSCY from @secrets_vault_ discussing visual cryptography for crypto wallets.
Don't miss out! 🎧
#CyberSecurity #CryptoSecurity #Web3 #VisualCryptography #crypto
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190
1 Mar 2021
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13 Aug 2020
I'm proud to share VCrypture
#visualcryptography #cryptography #image #security #VCrypture #picture #secret #share #information
github.com/UniCT-WebDevelopm…
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26 Dec 2019
Photoshopで視覚復号型暗号（画素拡張なし）。画素拡張すると操作が増えます。
簡単に説明すると差の絶対値と階調反転とを利用して、秘密画像とランダムパターンの否定排他的論理和をとってます。復号は乗算で。
#visualcryptography #視覚復号型暗号 #ランダムグリッド
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21 Dec 2019
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27 Nov 2016
Crypto Light: A font created by sending a laser beam through a grid, to reveal a secret message. #wildtype #visualcryptography #cryptoart101
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1 Aug 2016
DECODELIA: Chrome extension to obfuscate the screen by @Melanie_Hoff >>> artdelicorp.com/2016/04/03/d… #VisualCryptography
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22 Feb 2016
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27 Jan 2016
Lenticular Thread Art >>> x.com/PopUpWorkshop/status/6… via @PopUpWorkshop #threadart #lenticular #visualcryptography cc @nebogeo @kairotic
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18 Jan 2016
Oops. The second course is actually about #VisualCryptography and #PerceptiveCryptography. So – less neural networks – more light and magic.
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11 Jan 2016
@zachlieberman @tunabrain Cool! Also very relevant to #VisualCryptography. See FroZenLight: frozenlight.altervista.org/
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11 Jan 2016
Still great in 2016: @cdaein's #processing sketch for #scanimation cards github.com/cdaein/New_Years_… vimeo.com/57336062 #VisualCryptography
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30 Dec 2015
Foundations of Cyclopean Perception: How the brain extracts depth info from random dot textures. #VisualCryptography
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30 Dec 2015
Julesz is the father of random dot stereograms. He basically invented #VisualCryptography that relies on human vision to decrypt the code...
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29 Dec 2015
#VisualCryptography for your #KnittingMachine >>> Distribute your secret design over two Punchcards. Only if you stack them you can knit it!
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29 Dec 2015
Even more fun >>> #VisualCryptography for color images (PDF): citeseerx.ist.psu.edu/viewdo… #papercomp cc @angealbertini
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