A New Model to Simulate Human Facial Appearance, Accurately, and Realistically, across Age and Ethnicity

Matts, Paul J.; Canfield, Doug; D'Alessandro, B

doi:10.1097/prs.0000000000008781

Cited by 2 publications

(2 citation statements)

References 14 publications

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“…The morphed images were developed through artificial intelligence (AI) facial averaging technology. 11 The goal of this component was to model grade-based differences across the 4 points of the scale through statistical model-based “morphing” of a single individual “base image.”…”

Section: Methodsmentioning

confidence: 99%

“…Statistical color and topography models were then built using the IOH grade of each image as the independent variable. 11‐13 The completed models allowed for accurate image-based prediction of facial appearance for a desired target grade on the 4-point IOH scale. Note that the models were not just limited to the IOH region but predict the full face including any other facial feature correlated with IOH and accounted for every pixel in the image given.…”

Section: Methodsmentioning

confidence: 99%

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Validating the Reliability and Clinical Relevance of an Infraorbital Hollow Photonumeric Scale

Lorenc¹,

Smith²,

Bass³

et al. 2023

Aesthetic Surgery Journal Open Forum

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Background Infraorbital hollowing is a facial aesthetic issue for which a broad age range of patients seek treatment. Expanding treatment options for this region warrants the development of validated tools to objectively assess infraorbital hollow (IOH) severity before and after treatment. Objectives To validate a 4-point rating scale to assess depression of IOH, depression relative to the mid-pupillary line, and visibility of the lateral orbital rim. Methods The IOH scale described herein was developed and subjected to live validation with a total of 73 patients representing the full range of IOH severities. Scale validation was performed by board-certified plastic surgeons and dermatologists (3 raters) over 2 rounds, 2 weeks apart. Intrarater and interrater reliabilities were used to demonstrate test–retest reliability as quantitated with percentage of agreement, weighted kappa statistic with 95% confidence interval (CI), and intraclass correlation coefficient with 95% CI. The clinical relevance of a 1-grade difference was evaluated by comparing rater assessments of 77 photo pairs with their previously determined designation as “clinically different” or “not clinically different.” Results The IOH scale demonstrated substantial to near-perfect intrarater and interrater reliabilities when utilized by trained raters to assess a diverse group of live patients. Furthermore, clinically relevant differences between grades were established, and detection of a 1-point difference could be achieved by trained evaluators using the IOH scale. Conclusions This highly reliable, clinically relevant, and validated IOH scale provides a user-friendly, standardized grading system to objectively evaluate and track changes in infraorbital hollowing in clinical practice and research. Level of Evidence: 3

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Validating the Reliability and Clinical Relevance of an Infraorbital Hollow Photonumeric Scale

Lorenc¹,

Smith²,

Bass³

et al. 2023

Aesthetic Surgery Journal Open Forum

Self Cite

View full text Add to dashboard Cite

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Clinical Profile of Female Patients With Involutional Changes in the Facial and Neck Skin

Bondarev,

Logvinov

2024

Khark. Surg. Sch.

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Objective. To assess the clinical profile of female patients with complaints of involutional changes in the face and neck planning to undergo contouring surgery for facial/neck correction. Materials. This study is based on a prospective analysis of 210 fe-male patients with involutional changes in the face and neck who consulted an aesthetic surgeon. Results. The mean age of the patients was (52.51±4.94) years (range 36-65). The majority were middle-aged (46-65 years) – 92.86%. Women aged 36-45 years most often considered the upper third of the face as problematic, those aged 46-55 years focused on the middle/lower third of the face, and those aged 56-65 years identified the middle part of the face and neck as problem areas. The average score for subjective assessment of facial involution was 3.35 points (range 2-4). Younger patients rated the severity of their facial changes with lower scores, while patients over 55 years old tended to choose a score of four. Four typical morphotypes of facial aging were identified: tired or gravitational morphotype (27.14%), fine-wrinkled morphotype (17.14%), deformational morphotype (35.71%), and combined morphotype (20.0%). Conclusions. The majority of patients (88.6%) indicated that problematic areas involved various thirds of the face: the middle third of the face (60.47%), the lower third of the face (43.81%), and the neck (24.28%). Younger patients rated the severity of involutional changes in their face with lower scores, whereas a significant number of patients over 55 years old chose a score of four. The first type of Glogau aging was most common among patients with a fine-wrinkled morphotype, the second type with a gravitational morphotype, and the third and fourth types with a deformational morphotype.

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A New Model to Simulate Human Facial Appearance, Accurately, and Realistically, across Age and Ethnicity

Cited by 2 publications

References 14 publications

Validating the Reliability and Clinical Relevance of an Infraorbital Hollow Photonumeric Scale

Validating the Reliability and Clinical Relevance of an Infraorbital Hollow Photonumeric Scale

Clinical Profile of Female Patients With Involutional Changes in the Facial and Neck Skin

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