DIOR-ViT: Differential Ordinal Learning Vision Transformer for Cancer Classification in Pathology Images

• URL: http://arxiv.org/abs/2407.08503v1
• Date: Wed, 10 Jul 2024 12:42:27 GMT
• Title: DIOR-ViT: Differential Ordinal Learning Vision Transformer for Cancer Classification in Pathology Images
• Authors: Ju Cheon Lee, Keunho Byeon, Boram Song, Kyungeun Kim, Jin Tae Kwak,
• Abstract summary: We introduce a differential ordinal learning problem in which we define and learn the degree of difference in the categorical class labels between pairs of samples. We demonstrate that the adoption of differential ordinal learning can improve the accuracy and reliability of cancer grading. The proposed approach should be applicable to other diseases and problems as they involve ordinal relationship among class labels.
• Score: 4.2832657904981435
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: In computational pathology, cancer grading has been mainly studied as a categorical classification problem, which does not utilize the ordering nature of cancer grades such as the higher the grade is, the worse the cancer is. To incorporate the ordering relationship among cancer grades, we introduce a differential ordinal learning problem in which we define and learn the degree of difference in the categorical class labels between pairs of samples by using their differences in the feature space. To this end, we propose a transformer-based neural network that simultaneously conducts both categorical classification and differential ordinal classification for cancer grading. We also propose a tailored loss function for differential ordinal learning. Evaluating the proposed method on three different types of cancer datasets, we demonstrate that the adoption of differential ordinal learning can improve the accuracy and reliability of cancer grading, outperforming conventional cancer grading approaches. The proposed approach should be applicable to other diseases and problems as they involve ordinal relationship among class labels.

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