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The djatoka Image Server

This document summarizes the djatoka JPEG 2000 image server created by Ryan Chute and Herbert Van de Sompel. Djatoka is an open-source image server and dissemination framework built using the Kakadu JPEG 2000 library. It provides URI-addressable access to image regions, rotations, and format transformations of JPEG 2000 files in a reusable and extensible service framework enabled by the OpenURL standard. The document discusses the motivations for and features of djatoka, including its use of JPEG 2000 standards, dynamic resolution levels, quality layers for compression, and extraction of random regions.

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