标准编号：ISO/IEC 39794-6:2021
中文名称：信息技术 可扩展的生物特征数据交换格式 第6部分：虹膜图像数据
英文名称：Information technology — Extensible biometric data interchange formats — Part 6: Iris image data
发布日期：2021-03
标准范围
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.
The iris image information is stored as:
— an array of intensity values optionally compressed with ISO/IEC 15948 or ISO/IEC 15444-1, or
— an array of intensity values optionally compressed with ISO/IEC 15948 or ISO/IEC 15444-1 that can be cropped around the iris, with the iris at the centre, and which can incorporate region-of-interest masking of non-iris regions.
This document also specifies elements of conformance testing methodology, test assertions, and test procedures, as applicable to this document.
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