In order to enhance the readability, extensibility and sharing of DICOM files, we have introduced XML into DICOM file
system (SPIE Volume 5748)<sup></sup> and the multilayer tree structure into DICOM (SPIE Volume 6145)<sup></sup>. In this paper, we
proposed mapping DICOM to ODF(OpenDocument Format), for it is also based on XML. As a result, the new format
realizes the separation of content(including text content and image) and display style. Meanwhile, since OpenDocument
files take the format of a ZIP compressed archive, the new kind of DICOM files can benefit from ZIP's lossless
compression to reduce file size. Moreover, this open format can also guarantee long-term access to data without legal or
technical barriers, making medical images accessible to various fields.