Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm

Journal of Visualized Experiments : JoVE
Josh P DavisChris Solomon

Abstract

The paradigm detailed in this manuscript describes an applied experimental method based on real police investigations during which an eyewitness or victim to a crime may create from memory a holistic facial composite of the culprit with the assistance of a police operator. The aim is that the composite is recognized by someone who believes that they know the culprit. For this paradigm, participants view a culprit actor on video and following a delay, participant-witnesses construct a holistic system facial composite. Controls do not construct a composite. From a series of arrays of computer-generated, but realistic faces, the holistic system construction method primarily requires participant-witnesses to select the facial images most closely meeting their memory of the culprit. Variation between faces in successive arrays is reduced until ideally the final image possesses a close likeness to the culprit. Participant-witness directed tools can also alter facial features, configurations between features and holistic properties (e.g., age, distinctiveness, skin tone), all within a whole face context. The procedure is designed to closely match the holistic manner by which humans' process faces. On completion, based on their memory ...Continue Reading

Software Mentioned

PROMAT
HAIR
LOCAL ATTRIBUTES
VisionMetric
DYNAMIC OVERLAY
EFIT
FINISH
SHOULDERS
HOLISTIC ATTRIBUTES

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