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  2. Visual cryptography - Wikipedia

    en.wikipedia.org/wiki/Visual_cryptography

    But if one of the two shares is structured recursively, the efficiency of visual cryptography can be increased to 100%. [5] Some antecedents of visual cryptography are in patents from the 1960s. [6] [7] Other antecedents are in the work on perception and secure communication. [8] [9] Visual cryptography can be used to protect biometric ...

  3. Secret sharing - Wikipedia

    en.wikipedia.org/wiki/Secret_sharing

    Secret sharing was invented independently by Adi Shamir [1] and George Blakley [2] in 1979. A demonstration of visual cryptography: when two same-sized binary images of apparently random black-and-white pixels are superimposed, the Wikipedia logo appears

  4. File:Visual cryptography 3 choose 2.svg - Wikipedia

    en.wikipedia.org/wiki/File:Visual_cryptography_3...

    Date/Time Thumbnail Dimensions User Comment; current: 19:15, 2 July 2024: 512 × 288 (8 KB): Cmglee {{Information |Description=A visual cryptography method allowing any two transparencies printed with black rectangles to be overlaid to reveal a secret message (here, a letter A) by CMG Lee. |Source={{own}} |Date= |Author= Cmglee |Permission= |other_versions= }} Category:Visual cryptography

  5. NFL playoff schedule: Dates, times, TV info for wild-card ...

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    The NFL playoff schedule is about to be set, with the wild-card dates and times for every matchup to be revealed during Week 18.

  6. File:Visual cryptography development.svg - Wikipedia

    en.wikipedia.org/wiki/File:Visual_cryptography...

    visual cryptography development: Image title: Creation of masks to let overlaying n transparencies A, B,… printed with black rectangles reveal a secret image by CMG Lee. n = 4 requires 16 (2⁴) sets of codes each with 8 (2⁴⁻¹) subpixels, which can be laid out as 3×3 with the extra bit always black. Width: 100%: Height: 100%

  7. Cracker Barrel unveils new menu items for 2025: 'Original and ...

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    Cracker Barrel's new early dinner deals give customers the option to choose smaller portions of fan favorites – including meatloaf and steak tips – starting at $8.99 between 4 p.m. and 6 p.m ...

  8. ‘A truly good man’: Trump, Obama, Bush and Clinton pay ...

    www.aol.com/news/truly-good-man-trump-obama...

    Bill Clinton “Hillary and I mourn the passing of President Jimmy Carter and give thanks for his long, good life,” Clinton, the country's 42nd president, said in a statement on Sunday.

  9. File:Visual cryptography stenography.svg - Wikipedia

    en.wikipedia.org/wiki/File:Visual_cryptography...

    visual cryptography stenography: Image title: Creation of masks to let overlaying transparencies A and B printed with black rectangles reveal a secret image by CMG Lee. Each corresponding pixel in the component images is randomly rotated to avoid orientation leaking information about the secret image. Width: 100%: Height: 100%