Article | REF: TE5322 V1

JPEG 2000 – A wavelet-based digital picture compression format Standards. Performances. Applications

Authors: Jean-Noël GOUYET, Marc LEGER, Christophe NELSON

Publication date: February 10, 2016

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ABSTRACT

This article describes the suite of the picture compression format JPEG2000 standards. The container formats used to wrap the generated codestreams are presented. The performance of the codec for both still and motion pictures is illustrated. The article concludes with an overview of the various domains of application.

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AUTHORS

  • Jean-Noël GOUYET: Training engineer and consultant in digital media techniques and management - Former head of research at Ina (Institut national de l'audiovisuel)

  • Marc LEGER: Graduate of the École nationale supérieure Louis-Lumière. - Camera operator, vision engineer. - Head of video training - Ina EXPERT

  • Christophe NELSON: Digital video techniques trainer - Ina EXPERT

 INTRODUCTION

When it comes to image compression, the first standard that springs to mind is JPEG. Created in 1991, this standard is one of the most widely used in the field of photographic image compression. It is still very effective when used at low to medium compression ratios, but the poor quality of images obtained at higher compression ratios, as well as its lack of flexibility and functionality, testify to its inability to satisfy all the requirements of today's applications, particularly professional ones. With this in mind, the JPEG 2000 image compression format was developed in 2000.

After a first article [TE 5 320] devoted to a general presentation of the functionalities and techniques of JPEG 2000, this article presents :

  • the JPEG 2000 family of standards ;

  • Container formats used to encapsulate, store or transport images encoded in JPEG 2000 ;

  • performance against JPEG and other codecs for still and moving images;

  • applications in the fields of digital imaging, digital cinema and video, particularly in the areas of archiving and distribution.

Many terms and the text of some figures have been kept in English (in italics in the text), to facilitate the reading and use of technical documents. Numerous references, lists of norms, standards and recommendations as well as organizations, are provided in the "For further information" document.

A list of abbreviations and acronyms can be found at the end of this article (§ 6 ).

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KEYWORDS

wavelets   |   standards   |   Discrete Wavelet Transform DWT   |   entropy coding   |   coding   |   container-formats


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JPEG 2000, wavelet-based digital image compression format
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