ASTM-E3115 Standard Guide for Capturing Facial Images for Use with Facial Recognition Systems

ASTM-E3115 - 2017 R23 EDITION - CURRENT
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Standard Guide for Capturing Facial Images for Use with Facial Recognition Systems
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Scope

1.1 This guide is intended for use by practitioners who are choosing, setting up, and operating photographic equipment designed to capture facial images for use with an automated Facial Recognition System or used for manual comparisons by a trained facial examiner. This guide provides an overview of how to achieve the specifications defined in Annex E of ANSI/NIST-ITL-1-2011, Update 2015, for capturing facial images.

1.2 Annex E of ANSI/NIST-ITL-1-2011 defines a well-controlled capture environment and subject whereas this document will give guidance where tight controls in the capture environment and subject control cannot be achieved.

1.3 This guide addresses equipment considerations for two-dimensional (2D) conventional images. It does not address video, scanners, or three-dimensional (3D) capture.

1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to non-SI units that are provided for information only and are not considered standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Significance and Use

4.1 The key factors that determine image quality for highly controlled facial images (for example: passports, police mugshots, drive motor vehicle, etc.) are well understood with respect to their use in automated FR systems and are a critical factor which directly affects the searching accuracy of the FR system.

4.2 Image quality also plays a major role in determining the extent to which a trained facial examiner is able to reach a conclusion as to whether two images containing faces are likely to be of the same person or not. This applies to either reviewing a FR system candidate result set or 1:1 image comparisons.

4.3 This guide provides guidance for the capture of facial images under controlled, semi-controlled, and uncontrolled scenarios for constraints which can be categorized into the following types of requirements:

4.3.1 Scene, refers to the content, subject and background in the image,

4.3.2 Photographic, refers to lighting, focus and other constraints required for image capture, and

4.3.3 Digital, refers to the conversion of the captured image into a digital record.

Keywords

capture equipment; facial image; facial recognition;

To find similar documents by ASTM Volume:

14.02 (General Test Methods; Forensic Psychophysiology; Forensic Sciences; Terminology; Conformity Assessment; Statistical Methods; Nanotechnology; Forensic Engineering; Manufacture of Pharmaceutical Products)

To find similar documents by classification:

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Document Number

ASTM-E3115-17R23

Revision Level

2017 R23 EDITION

Status

Current

Modification Type

New

Publication Date

Feb. 7, 2023

Document Type

Guide

Page Count

7 pages

Committee Number

E30.12