The JPEG still picture compression standard

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The JPEG still picture compression standard (1991)

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by Gregory K. Wallace

Venue:	Communications of the ACM
Citations:	1117 - 0 self

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@ARTICLE{Wallace91thejpeg,
    author = {Gregory K. Wallace},
    title = {The JPEG still picture compression standard},
    journal = {Communications of the ACM},
    year = {1991},
    pages = {30--44}
}

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Abstract

This paper is a revised version of an article by the same title and author which appeared in the April 1991 issue of Communications of the ACM. For the past few years, a joint ISO/CCITT committee known as JPEG (Joint Photographic Experts Group) has been working to establish the first international compression standard for continuous-tone still images, both grayscale and color. JPEG’s proposed standard aims to be generic, to support a wide variety of applications for continuous-tone images. To meet the differing needs of many applications, the JPEG standard includes two basic compression methods, each with various modes of operation. A DCT-based method is specified for “lossy’ ’ compression, and a predictive method for “lossless’ ’ compression. JPEG features a simple lossy technique known as the Baseline method, a subset of the other DCT-based modes of operation. The Baseline method has been by far the most widely implemented JPEG method to date, and is sufficient in its own right for a large number of applications. This article provides an overview of the JPEG standard, and focuses in detail on the Baseline method. 1

Keyphrases

compression standard baseline method jpeg standard lossy compression lossless compression joint iso ccitt committee dct-based method many application continuous-tone image dct-based mode predictive method simple lossy technique past year various mode wide variety jpeg method basic compression method revised version large number joint photographic expert group first international compression standard

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