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Related Experiment Videos

A light-sectioning technique for contouring and measuring a child's face

H J Ainsworth, M C Joseph

    Annals of Human Biology
    |July 1, 1977
    PubMed
    Summary

    This study adapted a facial contouring device for children, improving coverage and head orientation. Computer processing of contour maps yields precise 3D facial measurements.

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    Area of Science:

    • Medical imaging
    • Anthropometry
    • Pediatric dentistry

    Background:

    • Traditional facial contouring devices have limitations in pediatric applications, including incomplete coverage and inconsistent head positioning.
    • Previous research in stereophotogrammetric techniques introduced optical head positioning methods.

    Purpose of the Study:

    • To adapt and enhance an existing facial contouring device for accurate measurement in children.
    • To address challenges of incomplete facial coverage and common head orientation in pediatric measurements.

    Main Methods:

    • Modification of a contouring device originally designed for adults (Cobb, 1972).
    • Incorporation of an optical head positioning method (Ainsworth and Joseph, 1976) to ensure consistent head orientation.
    • Computer processing of aligned contour maps to generate 3D facial measurements and sections.

    Main Results:

    • Achieved complete facial coverage in pediatric subjects.
    • Enabled precise alignment and common head orientation for serial exposures.
    • Generated accurate three-dimensional contour maps and sectional data of the complete face.

    Conclusions:

    • The modified contouring device provides a reliable method for obtaining comprehensive 3D facial measurements in children.
    • This technique enhances diagnostic capabilities in fields requiring detailed pediatric facial analysis.

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