Cited by 19AI in cancer detectionCutaneous Melanoma Detection and ManagementAdvanced Neural Network Applications

Vision Transformers for Low-Quality Histopathological Images: A Case Study on Squamous Cell Carcinoma Margin Classification

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Park, So-yun, Ayana, Gelan, Wako, Beshatu Debela, Jeong, Kwangcheol Casey, Yoon, Soon-Do, Choe, Se-woon·2025·Diagnostics

Abstract

Background/Objectives: Squamous cell carcinoma (SCC), a prevalent form of skin cancer, presents diagnostic challenges, particularly in resource-limited settings with a low-quality imaging infrastructure. The accurate classification of SCC margins is essential to guide effective surgical interventions and reduce recurrence rates. This study proposes a vision transformer (ViT)-based model to improve SCC margin classification by addressing the limitations of convolutional neural networks (CNNs) in analyzing low-quality histopathological images. Methods: This study introduced a transfer learning approach using a ViT architecture customized with additional flattening, batch normalization, and dense layers to enhance its capability for SCC margin classification. A performance evaluation was conducted using machine learning metrics averaged over five-fold cross-validation and comparisons were made with the leading CNN models. Ablation studies have explored the effects of architectural configuration on model performance. Results: The ViT-based model achieved superior SCC margin classification with 0.928 ± 0.027 accuracy and 0.927 ± 0.028 AUC, surpassing the highest performing CNN model, InceptionV3 (accuracy: 0.86 ± 0.049; AUC: 0.837 ± 0.029), demonstrating robustness of ViT over CNN for low-quality histopathological images. Ablation studies have reinforced the importance of tailored architectural configurations for enhancing diagnostic performance. Conclusions: This study underscores the transformative potential of ViTs in histopathological analysis, especially in resource-limited settings. By enhancing diagnostic accuracy and reducing dependence on high-quality imaging and specialized expertise, it presents a scalable solution for global cancer diagnostics. Future research should prioritize optimizing ViTs for such environments and broadening their clinical applications.

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Research works printed but not linked: 2

  1. [39]Li H. Zhang Y. Chen P. Shui Z. Zhu C. Yang L. Rethinking Transformer for Long Contextual Histopathology Whole Slide Image Analysis arXiv 2024 2410.14195
  2. [42]Rahat F. Hossain M.S. Ahmed M.R. Jha S.K. Ewetz R. Data Augmentation for Image Classification Using Generative AI arXiv 2024 2409.00547

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Authors
Park, S.-Y., Ayana, G., Wako, B. D., Jeong, K. C., Yoon, S.-D., & Choe, S.-W.
Affiliations
  • Kumoh National Institute of Technology (KR)
  • Jimma University (ET)
  • University of Florida (US)
  • Chonnam National University (KR)
Corresponding author
  • Yoon, Soon-Do
  • Choe, Se-woon
Venue
Diagnostics
Publisher
MDPI AG
Published
2025-01-23
Volume
15
Issue
3
Pages
260
ISSN
2075-4418 (ISSN-L)
OpenAlex
W4406765327
Cited by
18
References
52
Citations by year
2026: 12 · 2025: 6
FWCI
7.19
Type
journal article
Language
en
Open access
Locations
  • Diagnostics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Research Foundation of Korea (NRF) (RS-2023-00240521)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › AI in cancer detection
  • Health Sciences › Medicine › Oncology › Cutaneous Melanoma Detection and Management
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
Keywords
vision transformer, squamous cell carcinoma, histopathological images, low-quality medical images, transfer learning, skin cancer diagnosis, resource-limited settings, CNN comparison, ablation study

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