Abraham Lempel (אברהם למפל, born 10 February 1936) is an Israeli computer scientist and one of the fathers of the LZ family of lossless data compression algorithms.
Adobe Flash is a deprecated multimedia software platform used for production of animations, rich Internet applications, desktop applications, mobile applications, mobile games and embedded web browser video players.
In computer graphics, alpha compositing is the process of combining an image with a background to create the appearance of partial or full transparency.
Animation is a dynamic medium in which images or objects are manipulated to appear as moving images.
The Animated Portable Network Graphics (APNG) file format is an extension to the Portable Network Graphics (PNG) specification.
The Apple IIGS (styled as II), the fifth and most powerful model of the Apple II family, is a 16-bit personal computer produced by Apple Computer, Inc.
ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.
The Atari ST is a line of home computers from Atari Corporation and the successor to the Atari 8-bit family.
The Burroughs Corporation was a major American manufacturer of business equipment.
The byte is a unit of digital information that most commonly consists of eight bits, representing a binary number.
Cinemagraphs are still photographs in which a minor and repeated movement occurs, forming a video clip.
Color depth or colour depth (see spelling differences), also known as bit depth, is either the number of bits used to indicate the color of a single pixel, in a bitmapped image or video frame buffer, or the number of bits used for each color component of a single pixel.
The Commodore 64, also known as the C64 or the CBM 64, is an 8-bit home computer introduced in January 1982 by Commodore International (first shown at the Consumer Electronics Show, in Las Vegas, January 7–10, 1982).
This article compares graphics support for several browser engines.
This is a comparison of image file formats.
CompuServe (CompuServe Information Service, also known by its initialism CIS) was the first major commercial online service provider in the United States.
Computer animation is the process used for generating animated images.
Digital art is an artistic work or practice that uses digital technology as an essential part of the creative or presentation process.
Dither is an intentionally applied form of noise used to randomize quantization error, preventing large-scale patterns such as color banding in images.
Earth's rotation is the rotation of Planet Earth around its own axis.
Endianness refers to the sequential order in which bytes are arranged into larger numerical values when stored in memory or when transmitted over digital links.
Eric Steven Raymond (born December 4, 1957), often referred to as ESR, is an American software developer, author of the widely cited 1997 essay and 1999 book The Cathedral and the Bazaar and other works, and open-source software advocate.
Facebook is an American online social media and social networking service company based in Menlo Park, California.
Gamma correction, or often simply gamma, is a nonlinear operation used to encode and decode luminance or tristimulus values in video or still image systems.
Gfycat is a user-generated short video hosting company founded by Richard Rabbat, Dan McEleney, and Jeff Harris.
GIF art, is a form of digital art, first emerging in 1987.
Google Chrome is a freeware web browser developed by Google LLC.
HTML5 is a markup language used for structuring and presenting content on the World Wide Web.
Image file formats are standardized means of organizing and storing digital images.
Imgur is an online image sharing community and image host founded by Alan Schaaf in 2009.
The Institute of Electrical and Electronics Engineers (IEEE) is a professional association with its corporate office in New York City and its operations center in Piscataway, New Jersey.
Internet Explorer (formerly Microsoft Internet Explorer and Windows Internet Explorer, commonly abbreviated IE or MSIE) is a series of graphical web browsers developed by Microsoft and included in the Microsoft Windows line of operating systems, starting in 1995.
Jeopardy! is an American television game show created by Merv Griffin.
Jif is an American brand of peanut butter made by The J.M. Smucker Company, which purchased the brand from Procter & Gamble in 2001.
League for Programming Freedom (LPF) was founded in 1989 by Richard Stallman to unite free software developers as well as developers of proprietary software to fight against software patents and the extension of the scope of copyright.
Lempel–Ziv–Welch (LZW) is a universal lossless data compression algorithm created by Abraham Lempel, Jacob Ziv, and Terry Welch.
The Los Angeles Times is a daily newspaper which has been published in Los Angeles, California since 1881.
Lossless compression is a class of data compression algorithms that allows the original data to be perfectly reconstructed from the compressed data.
LZ77 and LZ78 are the two lossless data compression algorithms published in papers by Abraham Lempel and Jacob Ziv in 1977 and 1978.
MacPaint is a raster graphics editor developed by Apple Computer and released with the original Macintosh personal computer on January 24, 1984.
In computer programming, the term magic number has multiple meanings.
Microsoft Developer Network (MSDN) is the portion of Microsoft responsible for managing the firm's relationship with developers and testers, such as hardware developers interested in the operating system (OS), and software developers developing on the various OS platforms or using the API or scripting languages of Microsoft's applications.
Microsoft GIF Animator is a historical computer software program for Microsoft Windows to create simple animated GIF files based on the GIF89a file format.
Paint (formerly Paintbrush), commonly known as Microsoft Paint or MS Paint, was a simple raster graphics editor that has been included with all versions of Microsoft Windows.
A modem (modulator–demodulator) is a network hardware device that modulates one or more carrier wave signals to encode digital information for transmission and demodulates signals to decode the transmitted information.
Mozilla (stylized as moz://a) is a free software community founded in 1998 by members of Netscape.
MPEG-4 Part 14 or MP4 is a digital multimedia container format most commonly used to store video and audio, but it can also be used to store other data such as subtitles and still images.
Multiple-image Network Graphics (MNG) is a graphics file format, published in 2001, for animated images.
Netscape is a brand name associated with the development of the Netscape web browser.
Netscape Navigator was a proprietary web browser, and the original browser of the Netscape line, from versions 1 to 4.08, and 9.x. It was the flagship product of the Netscape Communications Corp and was the dominant web browser in terms of usage share in the 1990s, but by 2002 its use had almost disappeared.
The New Oxford university American Dictionary (NOAD) is a single-volume dictionary of American English compiled by American editors at the Oxford University Press.
A noun (from Latin nōmen, literally meaning "name") is a word that functions as the name of some specific thing or set of things, such as living creatures, objects, places, actions, qualities, states of existence, or ideas.
Off Book is a web show on digital culture and art created for PBS by Kornhaber Brown, a Webby award-winning production studio that creates web series, videos, and motion graphics.
The Oxford English Dictionary (OED) is the main historical dictionary of the English language, published by the Oxford University Press.
Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.
In computer graphics, a palette is a finite set of colors.
PCX, standing for PiCture eXchange, is an image file format developed by the now-defunct ZSoft Corporation of Marietta, Georgia, United States.
Peanut butter is a food paste or spread made from ground dry roasted peanuts.
Pearson Education (see also Pearson PLC) is a British-owned education publishing and assessment service to schools and corporations, as well as directly to students.
GNU plotutils is a set of free software command-line tools and software libraries for generating 2D plot graphics based on data sets.
Portable Network Graphics (PNG, pronounced or) is a raster graphics file format that supports lossless data compression.
In computer graphics, a raster graphics or bitmap image is a dot matrix data structure that represents a generally rectangular grid of pixels (points of color), viewable via a monitor, paper, or other display medium.
The RGB color model is an additive color model in which red, green and blue light are added together in various ways to reproduce a broad array of colors.
Run-length encoding (RLE) is a very simple form of lossless data compression in which runs of data (that is, sequences in which the same data value occurs in many consecutive data elements) are stored as a single data value and count, rather than as the original run.
Safari is a web browser developed by Apple based on the WebKit engine.
Scalable Vector Graphics (SVG) is an XML-based vector image format for two-dimensional graphics with support for interactivity and animation.
Slashdot (sometimes abbreviated as /.) is a social news website that originally billed itself as "News for Nerds.
A software patent is a patent on a piece of software, such as a computer program, libraries, user interface, or algorithm.
SourceForge is a Web-based service that offers software developers a centralized online location to control and manage free and open-source software projects.
Sperry Corporation (1910−1986) was a major American equipment and electronics company whose existence spanned more than seven decades of the 20th century.
In computer graphics, a sprite is a two-dimensional bitmap that is integrated into a larger scene.
Stack Overflow is a privately held website, the flagship site of the Stack Exchange Network, created in 2008 by Jeff Atwood and Joel Spolsky.
Steve Wilhite is an American computer scientist who worked at CompuServe and was the primary creator of the GIF file format, which went on to become the de facto standard for 8-bit color images on the Internet until PNG became a viable alternative.
A successive approximation ADC is a type of analog-to-digital converter that converts a continuous analog waveform into a discrete digital representation via a binary search through all possible quantization levels before finally converging upon a digital output for each conversion.
The Summer Olympic Games (Jeux olympiques d'été) or the Games of the Olympiad, first held in 1896, is an international multi-sport event that is hosted by a different city every four years.
Synchronized Multimedia Integration Language (SMIL) is a World Wide Web Consortium recommended Extensible Markup Language (XML) markup language to describe multimedia presentations.
TechCrunch is an American online publisher of technology industry news founded in 2005 by Archimedes Ventures whose partners were Michael Arrington and Keith Teare.
Terry Archer Welch was an American computer scientist.
The American Heritage Dictionary of the English Language (AHD) is an American dictionary of English published by Boston publisher Houghton Mifflin, the first edition of which appeared in 1969.
TheGuardian.com, formerly known as Guardian.co.uk and Guardian Unlimited, is a British news and media website owned by the Guardian Media Group.
Twitter is an online news and social networking service on which users post and interact with messages known as "tweets".
Ulm University (Universität Ulm) is a public university in Ulm, Baden-Württemberg, Germany.
A verb, from the Latin verbum meaning word, is a word (part of speech) that in syntax conveys an action (bring, read, walk, run, learn), an occurrence (happen, become), or a state of being (be, exist, stand).
Several alternatives to the Graphics Interchange Format (GIF) have been proposed, usually HTML5 video, for the display of short, silent, looping, moving picture files on the web.
Video clips are short clips of video, usually part of a longer recording.
The voiced palato-alveolar sibilant affricate, voiced post-alveolar affricate or voiced domed postalveolar sibilant affricate, is a type of consonantal sound, used in some spoken languages.
The voiced velar stop is a type of consonantal sound, used in some spoken languages.
A web browser (commonly referred to as a browser) is a software application for accessing information on the World Wide Web.
Web colors are colors used in displaying web pages, and the methods for describing and specifying those colors.
A Webby Award is an award for excellence on the Internet presented annually by The International Academy of Digital Arts and Sciences, a judging body composed of over two thousands industry experts and technology innovators.
WebM is an audiovisual media file format.
WebP is an image format employing both lossy and lossless compression.
Webster's Dictionary is any of the dictionaries edited by Noah Webster in the early nineteenth century, and numerous related or unrelated dictionaries that have adopted the Webster's name.
The White House is the official residence and workplace of the President of the United States.
Wired is a monthly American magazine, published in print and online editions, that focuses on how emerging technologies affect culture, the economy, and politics.
The word(s) of the year, sometimes capitalized as "Word(s) of the Year" and abbreviated "WOTY" (or "WotY"), refers to any of various assessments as to the most important word(s) or expression(s) in the public sphere during a specific year.
The World Wide Web (abbreviated WWW or the Web) is an information space where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hypertext links, and accessible via the Internet.
The World Wide Web Consortium (W3C) is the main international standards organization for the World Wide Web (abbreviated WWW or W3).
In computer graphics, the X Window System used X BitMap (XBM), a plain text binary image format, for storing cursor and icon bitmaps used in the X GUI.
Yaakov Ziv (יעקב זיו; born 1931) is an Israeli electrical engineer who, along with Abraham Lempel, developed the LZ family of lossless data compression algorithms.
8-bit color graphics is a method of storing image information in a computer's memory or in an image file, such that each pixel is represented by one 8-bit byte.
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