期刊
COMPUTERS IN BIOLOGY AND MEDICINE
卷 145, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compbiomed.2022.105472
关键词
Deep probabilistic learning; Density matrices; Diabetic retinopathy; Eye fundus images; Histopathology images; Ordinal regression; Prostate cancer; Quantum measurement; Uncertainty quantification
类别
资金
- Google Research Award
- Colciencias project [1101-807-63563]
This paper proposes a quantum-inspired deep probabilistic learning ordinal regression model for medical image diagnosis, which takes advantage of deep learning and the ordinal information of disease stages. Experimental results show that the method improves the diagnosis performance and interpretability of the results.
Although for many diseases there is a progressive diagnosis scale, automatic analysis of grade-based medical images is quite often addressed as a binary classification problem, missing the finer distinction and intrinsic relation between the different possible stages or grades. Ordinal regression (or classification) considers the order of the values of the categorical labels and thus takes into account the order of grading scales used to assess the severity of different medical conditions. This paper presents a quantum-inspired deep probabilistic learning ordinal regression model for medical image diagnosis that takes advantage of the representational power of deep learning and the intrinsic ordinal information of disease stages. The method is evaluated on two different medical image analysis tasks: prostate cancer diagnosis and diabetic retinopathy grade estimation on eye fundus images. The experimental results show that the proposed method not only improves the diagnosis performance on the two tasks but also the interpretability of the results by quantifying the uncertainty of the predictions in comparison to conventional deep classification and regression architectures. The code and datasets are available at https://github.com/stoledoc/DQOR.
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