ISO/IEC TR 29196:2018
(Main)Information technology — Guidance for biometric enrolment
Information technology — Guidance for biometric enrolment
This document consolidates information relating to successful, secure and usable implementation of biometric enrolment processes, while indicating risk factors that organisations proposing to use biometric technologies will should address during procurement, design, deployment and operation. Much of the information is generic to many types of application, e.g. from national scale commercial and government applications, to closed systems for in-house operations, and to consumer applications. However, the intended application and its purpose often have influence on the necessary enrolment data quality and are intended to be taken into account when specifying an enrolment system and process. The document points out the differences in operation relating to specific types of application, e.g. where self-enrolment is more appropriate than attended operation. This document focuses on mandatory, attended enrolment at fixed locations. In summary, this document consolidates information relating to better practice implementation of biometric enrolment capability in various business contexts including considerations of process, function (system), and technology, as well as legal/privacy and policy aspects. The document provides guidance on collection and storage of biometric enrolment data and the impact on dependent processes of verification and identification. This document does not include material specific to forensic and law enforcement applications. This document does not contain any mandatory requirements. The following terms are used in this document to provide guidance. The terms "should" and "should not" indicate that among several possibilities one is recommended as particularly suitable, without mentioning or excluding others, or that a certain course of action is preferred but not necessarily required, or that (in the negative form) a certain possibility or course of action is discouraged but not prohibited. The term "may" indicates a course of action permissible within the limits of the publication. The terms "can" and "cannot" indicate a possibility and capability, whether material, physical or causal.
Technologies de l'information — Directives pour l'inscription biométrique
General Information
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Standards Content (Sample)
TECHNICAL ISO/IEC TR
REPORT 29196
Second edition
2018-05
Information technology — Guidance
for biometric enrolment
Technologies de l'information — Directives pour l'inscription
biométrique
Reference number
©
ISO/IEC 2018
© ISO/IEC 2018
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ii © ISO/IEC 2018 – All rights reserved
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 3
5 Role of enrolment in a biometric system . 3
6 Stakeholders and approaches for enrolment . 6
6.1 Enrolment stakeholders. 6
6.2 Enrolment approaches . 9
7 Stakeholder interests .10
7.1 Key observations .10
7.2 Best practices and recommendations .11
7.2.1 General.11
7.2.2 Subject interests .11
7.2.3 Enrolment Authority interests .14
7.2.4 Operator interests .22
7.2.5 Relying party interests .25
7.2.6 Developer interests.26
7.2.7 Regulator interests .31
7.2.8 Auditor interests .31
8 Biometric enrolment capability development .32
8.1 General .32
8.2 Enrolment station architecture and design .32
8.3 System definition .33
9 Modality specific guidance .33
9.1 General .33
9.2 Facial biometric systems .34
9.2.1 General.34
9.2.2 Environment .34
9.2.3 Pose and position .34
9.2.4 Ethnicity .35
9.2.5 Improvements .35
9.2.6 Glasses .36
9.3 Fingerprint biometric systems .36
9.3.1 General.36
9.3.2 Fingerprint capture considerations .37
9.3.3 Single finger systems .37
9.3.4 Tenprint systems .38
9.4 Vascular (vein) authentication systems .38
9.4.1 General.38
9.4.2 Palm vein technology .39
9.4.3 Finger vein technology .39
9.5 Iris biometric systems .40
10 Mobile applications .41
10.1 Best practice guidelines .41
10.2 Fingerprint systems .42
10.3 Facial image systems .43
10.4 Iris systems .44
Annex A (informative) Checklist of activities related to biometric enrolment .46
© ISO/IEC 2018 – All rights reserved iii
Annex B (informative) Examples of good and bad face enrolment pictures .50
Bibliography .54
iv © ISO/IEC 2018 – All rights reserved
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are
members of ISO or IEC participate in the development of International Standards through technical
committees established by the respective organization to deal with particular fields of technical
activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international
organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the
work. In the field of information technology, ISO and IEC have established a joint technical committee,
ISO/IEC JTC 1.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for
the different types of document should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject
of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent
rights. Details of any patent rights identified during the development of the document will be in the
Introduction and/or on the ISO list of patent declarations received (see www .iso .org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www .iso .org/iso/foreword .html.
This document was prepared by ISO/IEC JTC 1, Information technology, SC 37, Biometrics.
This second edition cancels and replaces the first edition (ISO/IEC TR 29196:2015), which has been
technically revised.
© ISO/IEC 2018 – All rights reserved v
Introduction
One of the most important contributions to a successful biometric-based recognition system is a
consistent enrolment service that generates the biometric data required for subsequent recognition
of individuals. Subsequent verifications or identifications will be compared with the biometric
data collected at enrolment. If the quality of capture at enrolment is not maintained consistently,
the operators of a recognition system which depends on a good enrolment are likely to experience
unreliable performance. For those who are enrolled in a verification system, a poor quality enrolment
will result in inconvenience should they fail to be recognized. (Readers of this document should note
that quality has a specific meaning when applied to biometric systems; a high quality capture is one
that results in biometric data that provides good comparison scores when compared with other high
quality images from the same biometric feature.)
By analysing the requirements for a good enrolment from the perspectives of a range of stakeholders,
it is possible to derive a set of principles to guide the development of a biometric enrolment policy and
the deployment of a service. Where enrolment is outsourced to a third party, it is extremely important
to be able to measure quality metrics rather than quantity metrics, since the technical and business
objectives of the two organisations (t
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