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  2. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    The term was coined in 2003 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John Langford. [6] It is a contrived acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart." [7] A historically common type of CAPTCHA (displayed as reCAPTCHA v1) was first invented in 1997 by two groups working in parallel. This ...

  3. reCAPTCHA - Wikipedia

    en.wikipedia.org/wiki/ReCAPTCHA

    reCAPTCHA Inc.[1] is a CAPTCHA system owned by Google. It enables web hosts to distinguish between human and automated access to websites. The original version asked users to decipher hard-to-read text or match images. Version 2 also asked users to decipher text or match images if the analysis of cookies and canvas rendering suggested the page ...

  4. Visual cryptography - Wikipedia

    en.wikipedia.org/wiki/Visual_cryptography

    Visual cryptography is a cryptographic technique which allows visual information (pictures, text, etc.) to be encrypted in such a way that the decrypted information appears as a visual image. One of the best-known techniques has been credited to Moni Naor and Adi Shamir, who developed it in 1994. [1] They demonstrated a visual secret sharing ...

  5. Huh? We Never Would Have Guessed What 'CAPTCHA ... - AOL

    www.aol.com/lifestyle/huh-never-guessed-captcha...

    Find out the meaning behind the term related to the 'I'm not a robot' prompt.

  6. Visual communication - Wikipedia

    en.wikipedia.org/wiki/Visual_communication

    Visual communication. Visual communication is the use of visual elements convey ideas and information which include (but are not limited to) signs, typography, drawing, graphic design, illustration, industrial design, advertising, animation, and electronic resources. [1] Visual communication has been proven to be unique when compared to other ...

  7. Visual rhetoric - Wikipedia

    en.wikipedia.org/wiki/Visual_rhetoric

    Visual rhetoric is the art of effective communication through visual elements such as images, typography, and texts. Visual rhetoric encompasses the skill of visual literacy and the ability to analyze images for their form and meaning. [1] Drawing on techniques from semiotics and rhetorical analysis, visual rhetoric expands on visual literacy ...

  8. Optical character recognition - Wikipedia

    en.wikipedia.org/wiki/Optical_character_recognition

    Optical character recognition. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and billboards in a landscape ...

  9. Data and information visualization - Wikipedia

    en.wikipedia.org/wiki/Data_and_information...

    Data visualization refers to the techniques used to communicate data or information by encoding it as visual objects (e.g., points, lines, or bars) contained in graphics. The goal is to communicate information clearly and efficiently to users. It is one of the steps in data analysis or data science. According to Vitaly Friedman (2008) the "main ...