Combining JPEG2000 Compressed Formats and OGC Standards for Fast and Easy Dissemination of Large Satellite Data.

Translated title of the contribution: Combining JPEG2000 Compressed Formats and OGC Standards for Fast and Easy Dissemination of Large Satellite Data.

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Abstract

This article explores ways for disseminating huge dataset imagery compressed in JPEG2000 using OGC standards. Some web service protocols are analyzed and tested (Web Map Service, Web Feature Service, Web Coverage Service, etc) but special attention is given to the new Web Map Tile Service (WMTS) standard that has been recently approved by the OGC Technical Committee. A WMTS server exposes a structure of resolution levels that are cut in small and uniform tiles in a very similar way that JPEG2000 internally does. We discuss how JPEG2000 and WMTS can be combined together and the advantages and disadvantages versus a more common approach based on prerendered classical JPEG or PNG tiles or versus JPIP approaches. Among the different architectures, it is worth mentioning a WMTS server that uses one or some JPEG2000 images internally and serves images to a thin client (a web browser) in a more classical format like JPEG, PNG etc. In this case, WMTS tile matrix set structure can be used to describe the internal structure of the tiled JPEG2000 images to the client, guaranteeing an optimum performance and taking profit of the Internet caching mechanisms.
Translated title of the contributionCombining JPEG2000 Compressed Formats and OGC Standards for Fast and Easy Dissemination of Large Satellite Data.
Original languageMultiple languages
Pages (from-to)101-114
JournalItalian Journal of Remote Sensing
Volume42
Issue number3
Publication statusPublished - 1 Dec 2010

Keywords

  • Compression
  • Standards
  • Wavelet
  • Web services

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