Pathologist-Like Explanations Unveiled: an Explainable Deep Learning System for White Blood Cell Classification

• URL: http://arxiv.org/abs/2310.13279v1
• Date: Fri, 20 Oct 2023 04:59:20 GMT
• Title: Pathologist-Like Explanations Unveiled: an Explainable Deep Learning System for White Blood Cell Classification
• Authors: Aditya Shankar Pal, Debojyoti Biswas, Joy Mahapatra, Debasis Banerjee, Prantar Chakrabarti and Utpal Garain
• Abstract summary: HemaX is an explainable deep neural network-based model that produces pathologist-like explanations using five attributes. HemaX achieves impressive results, with an average classification accuracy of 81.08% and a Jaccard index of 89.16% for cell localization.
• Score: 1.516937009186805
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: White blood cells (WBCs) play a crucial role in safeguarding the human body against pathogens and foreign substances. Leveraging the abundance of WBC imaging data and the power of deep learning algorithms, automated WBC analysis has the potential for remarkable accuracy. However, the capability of deep learning models to explain their WBC classification remains largely unexplored. In this study, we introduce HemaX, an explainable deep neural network-based model that produces pathologist-like explanations using five attributes: granularity, cytoplasm color, nucleus shape, size relative to red blood cells, and nucleus to cytoplasm ratio (N:C), along with cell classification, localization, and segmentation. HemaX is trained and evaluated on a novel dataset, LeukoX, comprising 467 blood smear images encompassing ten (10) WBC types. The proposed model achieves impressive results, with an average classification accuracy of 81.08% and a Jaccard index of 89.16% for cell localization. Additionally, HemaX performs well in generating the five explanations with a normalized mean square error of 0.0317 for N:C ratio and over 80% accuracy for the other four attributes. Comprehensive experiments comparing against multiple state-of-the-art models demonstrate that HemaX's classification accuracy remains unaffected by its ability to provide explanations. Moreover, empirical analyses and validation by expert hematologists confirm the faithfulness of explanations predicted by our proposed model.

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