A novel framework for tongue feature extraction framework based on sublingual vein segmentation

Xiaohua Wan, Yulong Hu, Dehui Qiu*, Juan Zhang, Xiaotong Wang, Fa Zhang*, Bin Hu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The features of the sublingual veins, including swelling, varicose patterns, and cyanosis, are pivotal in differentiating symptoms and selecting treatments in Traditional Chinese Medicine (TCM) tongue diagnosis. These features serve as a crucial reflection of the human blood circulation status. Nevertheless, the automatic and precise extraction of sublingual vein features remains a formidable challenge, constrained by the scarcity of datasets for sublingual images and the interference of noise from non-tongue and non-sublingual vein elements. In this paper, we present an innovative tongue feature extraction method that relies on focusing specifically on segmenting the sublingual vein rather than the entire tongue base. To achieve this, we have developed a sublingual vein segmentation framework utilizing a Polyp-PVT network, effectively eliminating noise from the surrounding regions of the sublingual vein. Furthermore, we pioneer the utilization of a transformer-based approach, such as the Swin-Transformer network, to extract sublingual vein features, leveraging the remarkable capabilities of transformer networks. To complement our methodology, we have constructed a comprehensive dataset of sublingual vein images, facilitating the segmentation and classification of sublingual veins. Experimental results have demonstrated that our tongue feature extraction method, coupled with sublingual vein segmentation, significantly outperforms existing tongue feature extraction techniques.

Original languageEnglish
JournalIEEE Transactions on Nanobioscience
DOIs
Publication statusAccepted/In press - 2024

Keywords

  • Traditional Chinese Medicine
  • sublingual vein
  • tongue diagnosis
  • tongue feature extraction
  • tongue image

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