MvKeTR: Chest CT Report Generation with Multi-View Perception and Knowledge Enhancement

• URL: http://arxiv.org/abs/2411.18309v3
• Date: Thu, 26 Jun 2025 00:54:18 GMT
• Title: MvKeTR: Chest CT Report Generation with Multi-View Perception and Knowledge Enhancement
• Authors: Xiwei Deng, Xianchun He, Jianfeng Bao, Yudan Zhou, Shuhui Cai, Congbo Cai, Zhong Chen,
• Abstract summary: Multi-view perception knowledge-enhanced TansfoRmer (MvKeTR)<n>MVPA with view-aware attention is proposed to synthesize diagnostic information from multiple anatomical views effectively.<n>Cross-Modal Knowledge Enhancer (CMKE) is devised to retrieve the most similar reports based on the query volume.
• Score: 1.6355783973385114
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: CT report generation (CTRG) aims to automatically generate diagnostic reports for 3D volumes, relieving clinicians' workload and improving patient care. Despite clinical value, existing works fail to effectively incorporate diagnostic information from multiple anatomical views and lack related clinical expertise essential for accurate and reliable diagnosis. To resolve these limitations, we propose a novel Multi-view perception Knowledge-enhanced TansfoRmer (MvKeTR) to mimic the diagnostic workflow of clinicians. Just as radiologists first examine CT scans from multiple planes, a Multi-View Perception Aggregator (MVPA) with view-aware attention is proposed to synthesize diagnostic information from multiple anatomical views effectively. Then, inspired by how radiologists further refer to relevant clinical records to guide diagnostic decision-making, a Cross-Modal Knowledge Enhancer (CMKE) is devised to retrieve the most similar reports based on the query volume to incorporate domain knowledge into the diagnosis procedure. Furthermore, instead of traditional MLPs, we employ Kolmogorov-Arnold Networks (KANs) as the fundamental building blocks of both modules, which exhibit superior parameter efficiency and reduced spectral bias to better capture high-frequency components critical for CT interpretation while mitigating overfitting. Extensive experiments on the public CTRG-Chest-548 K dataset demonstrate that our method outpaces prior state-of-the-art (SOTA) models across almost all metrics. The code is available at https://github.com/xiweideng/MvKeTR.

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