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Standards Development
This document specifies the minimum information to be included in the product specifications of volumetric 3D scanners, that is, scanners such as computed tomography (CT) and magnetic resonance imaging (MRI) devices that acquire the internal, voxel-based structure of objects, in order to ensure consistency and to enable users to make meaningful comparisons of scanner features and performance characteristics. It further specifies the scanner parameter settings and environmental conditions to be recorded together with the scan result, in order to facilitate the interpretation, reproduction, and subsequent processing of the 3D scanned data.
This document is Part 2 of a series. Surface 3D scanning is covered by Part 1 and time-varying (4D) 3D scanning by Part 3.
Outside the scope of this document are 3D digitizing devices that use a contact probe to acquire positional data, and safety-related requirements for 3D scanners and their processes, which are addressed by other standards.
Volumetric 3D scanners are now widely used across medical imaging and diagnostics, industrial non destructive testing and metrology, materials research, and cultural-heritage investigation. However, manufacturers describe scanner capabilities and performance in inconsistent, non-comparable ways, and volumetric scan data is frequently delivered without the parameter and environmental metadata needed to process, compare, or reproduce it reliably. This makes it difficult for users to select an appropriate scanner and for downstream users to correctly interpret and reuse scanned data. This document addresses that gap by defining, for volumetric 3D scanning, (a) the minimum information manufacturers should include in scanner product specifications, enabling meaningful comparison of features and performance, and (b) the scanning parameter settings and environmental conditions that should be recorded together with the scan result to facilitate its subsequent processing. It builds on the vocabulary established in ISO/IEC 25098 and complements existing standards for computed tomography and medical imaging (e.g. ISO/IEC 16466, ISO 15708, IEC 62464-1) without overlapping them: no existing International Standard specifies the minimum product-specification and metadata information for volumetric 3D scanning.
The proposal is submitted as a Technical Specification because the field is evolving rapidly; a TS allows the committee to publish timely, implementable guidance that can be validated in practice and later developed into an International Standard. A draft working document is attached.
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