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徐州全景医学影像诊断中心有限公司

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№ CN122948825AInvention
Unknown

一种用于胃癌筛查的平扫CT图像分析方法及系统

本发明涉及医学影像智能分析技术领域，公开了一种用于胃癌筛查的平扫CT图像分析方法及系统。该方法基于解剖先验知识增强的深度学习模型定位胃部区域，得到胃部区域图像；构建针对胃癌影像表现的多尺度三维特征提取网络，提取黏膜强化与胃壁增厚的多尺度三维特征图；根据胃壁结构连续性构建体素‑结构动态异构图，通过图神经网络聚合节点信息得到聚合特征向量；将聚合特征向量输入多层感知机分类器，输出正常、良性病变与恶性病变三分类结果。本发明通过解剖先验约束、多尺度特征融合及图结构建模，解决了平扫CT胃癌筛查中定位不准、特征提取不充分及结构关联缺失的问题，实现了高精度筛查。

❖徐州全景医学影像诊断中心有限公司田树平; 蒋思飞; 王伟; 熊昆; 姚廿琪; 范腾飞Oct 20, 2026§ 2/10 ClaimsG06T 7/00 (2017.01), G06N 3/0464 (2023.01), G06V 10/764 (2022.01) +947