1 Requirements for XA Object Definition (ordered by Priority, highest on top)  Make distinction between ready-to-display and not ready-to-display images.  Include Flat-Panel Detector Acquisition Information.  Change precision of Attributes.  Include new Attributes to reduce number of private attributes.  Capability to store P-Values according to Part 14.  Include synchronization information like Waveform IOD.  Include DX defined X-Ray Tomography Module for XRF definition.  Scalable scope of Attributes on multi-frames, range of frames and individual frame - ”functional grouping like CT/MR Supplements 49/58”.  Include more Acquisition Context information (X-Ray generation, Dose).  Include Code Sequences for applicable attributes.  Analyze XRF definition for possible changes or inclusion of new definitions.

2 XA SR Simple Reports/Results CStandard Procedures on Angio Images BStenosis Report (diameters, areas, percentages) BDistance measurements (Location, reference, value) ? BCreate simple Report templates CSimple (automated) Acquisition (Study) Report or Log by Modality BAcq. Info, and Dose information per run BDilatation Timers, Comments BTechnical Report BOnly very limited contents, not a “Procedure Log” ==> If Part 16 and Supplements 66 and 76 already deliver solution for this, write a “white paper” to assure common understanding 2

3 (XA) Single Patient Media Profile CAllow Combination of different BCompressions BSquare/Non-Square Matrix Sizes BNon-Image Data BSOP-Classes BMulti-modality integration BTypes of Media ==> Needs to be discussed with WG1 / WG5 3