PreprintCited by 29Face recognition and analysisFace Recognition and PerceptionWilliams Syndrome Research

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Neural networks for classification and image generation of aging in genetic syndromes

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Duong, Dat, Hu, Ping, Tekendo-Ngongang, Cedrik, Hanchard, Suzanna Ledgister, Liu, Simon, Solomon, Benjamin D., Waikel, Rebekah L.·2021·Frontiers in Genetics

Preprint — published as 10.3389/fgene.2022.864092 · Paper page

Abstract

In medical genetics, one application of neural networks is the diagnosis of genetic diseases based on images of patient faces. While these applications have been validated in the literature with primarily pediatric subjects, it is not known whether these applications can accurately diagnose patients across a lifespan. We aimed to extend previous works to determine whether age plays a factor in facial diagnosis, as well as to explore other factors that may contribute to the overall diagnosis accuracy. To investigate this, we chose two relatively common conditions, Williams syndrome and 22q11.2 deletion syndrome. We built a neural network classifier trained on images of affected and unaffected individuals of different ages. Our classifier outperformed clinical geneticists at recognizing face images of these two conditions within each of the age groups (the performance varied between the age groups): (1) under 2 years old, (2) 2-9 years old, (3) 10-19 years old, (4) 20-34 years old, and (5) ≥35 years old. The overall accuracy improvement by our classifier over the clinical geneticists was 15.5% and 22.7% for Williams syndrome and 22q11.2 deletion syndrome, respectively. Additionally, comparison of saliency maps revealed that key facial features learned by the neural network differed slightly with respect to age. Finally, joint training real images with multiple different types of fake images created by a generative adversarial network showed up to 3.25% accuracy gain in classification accuracy.

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Metadata

Authors
Duong, D., Hu, P., Tekendo-Ngongang, C., Hanchard, S. L., Liu, S., Solomon, B. D., & Waikel, R. L.
Affiliations
National Human Genome Research Institute (US)
Corresponding author
  • Solomon, Benjamin D.
  • Waikel, Rebekah L.
Venue
Frontiers in Genetics
Publisher
openRxiv
Published
2021-12-11
Volume
13
Pages
864092-864092
ISSN
1664-8021 (ISSN-L)
OpenAlex
W4226350219
Cited by
29
References
1
Citations by year
2026: 5 · 2025: 8 · 2024: 5 · 2023: 8 · 2022: 3
FWCI
1.96
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Genetics (publishedVersion, cc-by)
  • medRxiv (acceptedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • National Institutes of Health
  • National Human Genome Research Institute
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Face recognition and analysis
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Life Sciences › Neuroscience › Developmental Neuroscience › Williams Syndrome Research
Keywords
Williams syndrome, 22q11.2 deletion syndrome, facial diagnosis, genetic syndromes, age as confounder, deep learning classification, saliency maps, generative adversarial networks, image-to-image translation

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