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2D Facial Analysis Performed by a Human Operator Versus an Artificial Intelligence Software.

Gonzalo Muñoz1,2, Leonardo Brito1,2, Marcio de Moraes3

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Summary

Artificial intelligence (AI) offers automated facial analysis but shows significant differences compared to human operators. Further research is needed to refine AI accuracy in facial measurements.

Keywords:
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Area of Science:

  • Medical Imaging
  • Computer-Aided Diagnosis
  • Facial Analysis

Background:

  • Artificial intelligence (AI) is increasingly used in dental, surgical, and esthetic treatments.
  • AI enables automated analysis of facial parameters from images.
  • This study compares AI facial analysis precision and reproducibility against human operators.

Purpose of the Study:

  • To evaluate the precision of AI-driven facial analysis.
  • To assess the reproducibility of AI facial measurements.
  • To compare AI analysis with human operator performance.

Main Methods:

  • Thirty subjects underwent frontal and profile photographic sessions.
  • Photographs were calibrated and analyzed by both a human operator and AI.
  • Analysis included vertical, horizontal, symmetry parameters, and facial profile angles.

Main Results:

  • Statistically significant differences were observed between AI and human operator analyses.
  • Differences were noted in vertical, horizontal, symmetry, and facial profile measurements.
  • AI analysis precision and reproducibility require further investigation.

Conclusions:

  • AI-based 2D facial analysis is an evolving tool with potential in esthetic treatments.
  • Current AI facial analysis shows notable discrepancies compared to human operators.
  • Careful application and further studies are recommended to improve AI accuracy in facial soft tissue analysis.