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1 Overview PNG, the Portable Network Graphics format, is a robust, extensible, general-purpose and patent-free image format. In this chapter we briefly describe the events that led to its creation in early 1995 and how
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Document Date: 2001-06-19 11:32:01

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Company

IBM / Unisys / Sperry / Burroughs / /

Facility

Library Compression Levels / Library Arguably / /

IndustryTerm

compression algorithm / predictor algorithm / telecommunications / software implementations / early Internet / Internet standards / compressor follow the general algorithm / web images / possible compression algorithms / compression algorithms / search effort / Internet community / /

OperatingSystem

Unix / Unix system / DOS / Microsoft Windows / GNU / /

Organization

US Federal Reserve / /

Person

Peter Fenwick / Abraham Lempel / Terry Welch / Alan W. Paeth / Gailly Adler / Mark Adler / Jacob Ziv / /

ProgrammingLanguage

Java / /

Technology

alpha / filtering algorithm / GIF / possible compression algorithms / Java / Unix / compression algorithm / compression algorithms / LZW algorithm / predictor algorithm / PNG filtering algorithms / Unix system / JBIG algorithm / animation / /

URL

http /