ISO IEC 39794-6:2021 pdf download – Information technology — Extensible biometric data interchange formats — Part 6: Iris image data. 1 Scope This document specifies: — generic extensible data interchange formats for the representation of iris image data: a tagged binary data format based on an extensible specification in ASN.1 and a textual data format based on an XML schema definition that are both capable of holding the same information, — examples of data record contents, — application specific requirements, recommendations, and best practices in data acquisition, and — conformance test assertions and conformance test procedures applicable to this document....