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Advanced Imaging Magazine

Updated: July 8th, 2008 05:26 PM CDT

The Road To Implementing JPEG2000 for Geospatial Imaging

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NEWS FEATURE

The Road To Implementing JPEG2000 for Geospatial Imaging

By Hank Russell

Back in March, LizardTech ( Seattle , WA ) and Galdos Systems Inc. (Vancouver, B.C., Canada ) announced a partnership to jointly develop an ISO standard through the Open GIS Consortium (OGC). In addition, both companies ? who are also OGC technical committee members ? plan to jointly produce a Geography Markup Language (GML) Implementation of JPEG2000, driving cross-platform interoperability and rapid Internet distribution for geospatial imagery. This will enable customers to disseminate geospatial imagery by providing a consistent image format that is vendor-independent.

The following month, Galdos Systems president Ron Lake delivered a presentation on GML to a meeting of the TSMAD Working Group of the International Hydrographic Organization (IHO) at the National Oceanic and Atmospheric Administration (NOAA) in Silver Spring , MD. The talk was part of an evaluation by the IHO of GML as a future encoding standard for the current (version 3.1) and future (v4.0) versions of S-57, the data modeling standard for S-57 data.

Finding Each Other

Considering the fact that Galdos developed GML and the application do XML to geographic information systems, and LizardTech specialized in wavelet compression technology for geospatial imagery, it's no surprise that these two companies would be a perfect fit. As part of this collaboration, both companies will develop software for creating integerated GMLJP2 imagery packages.

?Galdos and LizardTech were aware of one another,? said Ron Lake , president and CEO of Galdos Systems. ?I guess one could say that the collaboration was a natural one. We see this as a successor to GeoTIFF.?

?It is a natural collaboration for the two companies to work together to extend the capabilities of JPEG 2000 by jointly developing an ISO Standard through the Open GIS Consortium consensus process,? added Karen Morley, LizardTech's vice president of geospatial solutions. She added that both companies have jointly drafted a proposal that have since been submitted through the OGC Technical Committee for review.

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