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Yaw

In facial identification, an intrinsic rotation of the head about a vertical (longitudinal) axis measured in degrees.
Discussion—Frontal poses have a yaw angle of 0°. Positive angles represent faces looking to their left (a counter-clockwise rotation around the axis). The yaw axis is typically defined as the Y-axis (positive up).

Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASTM E1732-24e1 Standard Terminology Relating to Forensic Science. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428, 2024. Source link
Reprinted, with permission, from ASTM E1732-24e1 Standard Terminology Relating to Forensic Science, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete standard is available from ASTM International, https://www.astm.org