ISO/IEC 29794-5-ed.1.0

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Designation: ISO/IEC 29794-5-ed.1.0

Publication date: 16/04/2025

Pages: 63

Country: International technical standard

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This document establishes requirements on implementations that quantify how a face image’s properties conform with those of canonical face images, for example those specified in ISO/IEC 39794-5:2019, Clause D.1, for three use-cases:

1) collection of reference samples for ID documents;

2) sample system enrolment; and

3) probes for instantaneous response.

This document also establishes terms and definitions for quantifying face image quality and specifies methods for quantifying the quality of face images.

This document does not establish requirements on:

— assessing the quality of pairs or sequences of images;

NOTE This document establishes requirements for software that inspects exactly one image. This document does not establish requirements for software that compares two or more images (such as biometric recognition). However, the computations of this document can be applied separately to each image in a pair or sequence.

— assessing the quality of 3D captures;

— encodings of face image quality data;

— performance evaluation of face image quality assessment algorithms.

The use cases within scope of this document primarily address the assessment of images from data capture subjects who consent to processing of their biometric data, or for whom biometric capture is operationally authorized.