This part of ISO 15708 gives guidelines for, and defines terms for addressing the general principles of X-ray CT as they apply to industrial imaging. It also gives guidelines for a consistent set of CT performance parameter definitions, including how these performance parameters relate to CT system specifications.
ISO 15708-1:2002 history
2017ISO 15708-1:2017 Non-destructive testing - Radiation methods for computed tomography - Part 1: Terminology