Part 10 is still at the Working Draft stage. It is concerned with the coding of three-dimensional data, the extension of JPEG 2000 from planar to volumetric images.
An essential aspect of volumetric coding, because of the enormously increased quantity (compared to 2D) of potential sample points, is the use of non-uniform grids to concentrate the data in the regions where it is most significant. Non-uniform grids have applications in two dimensions as well, so the relevance of Part 10 may not be exclusive to 3D.
Part 10 is expected to go for vote as a FDIS (the final stage before becoming a Standard, ISO/IEC 15444-10) in March 2007.
It is currently available for download from ITU-T as their Recommendation T.809
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