ASTM E3149 - 26

1.1 This practice covers a set of facial components, characteristics, and descriptors to be considered during a morphological facial comparison.

1.2 This practice defines a standard set of facial components, characteristics, and descriptors that shall be used for facial comparison when visible in the image(s).

1.3 This practice does not define the comparison process itself, just the feature set to be used during such comparisons.

1.4 This practice does not define a classification system to constrain how those descriptors shall be articulated as applied to samples.

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.