科研成果
1.Xiaoyu Yang, Lijian Xu*, Hongsheng Li, Shaoting Zhang. One Leaf Reveals the Season: Occlusion-Based Contrastive Learning with Semantic-Aware Views for Efficient Visual Representation. International Conference on Machine Learning2025.
2. Xiaoyu Yang, Lijian Xu*, Simon Yu, Hongsheng Li, Shaoting Zhang. Segmentation and Vascular Vectorization for Coronary Artery by Geometry-based Cascaded Neural Network. IEEE Transactions on Medical Imaging. 2024.1:259-269.
3.Lijian Xu, Fuyou Liang, Lixu Gu, Hao Liu. Flow instability detected in ruptured versus unruptured cerebral aneurysms at the internal carotid artery. Journal of Biomechanics. 2019. 72:187–199.
4.Lijian Xu, Fuyou Liang, Hao Liu. Influence of aging-associated flow waveform variation on hemodynamics in aneurysms present at internal carotid artery: a computational model-based study. Computers in Biology and Medicine. 2018. 101:51–60.
5.Lijian Xu, Lixu Gu, Hao Liu. Exploring potential association between flow instability and rupture in patients with matched-pairs of ruptured–unruptured intracranial aneurysms. Biomedical Engineering Online. 2016. 15: 461-477.
成果转化情况:
1.医学图像重建与诊断系统:开发血管分割及脑出血识别算法,首创基于深度学习的 ASPECTS 区域自动评分技术,脑卒中量化评估准确率达 94.5%,通过 NMPA 二类证认证。
2.功能学参数计算系统:构建 CT 影像的血流动力学分析引擎,实现血管流速、FFR 及脑灌注核心区 AI 定量,核心/半暗带体积测算误差<5%。
3.智能医学研究平台(上海申康):研发支持多模态的医疗大数据训练框架,开发胸肺疾病多模态诊断系统,临床准确率 93.2%。
4.国产化 AI 系统迁移(华为昇腾):解决 CUDA 至昇腾 Atlas300 芯片的算子适配技术,识别准确率 95.3%,获华为昇腾技术认证。
5.AI 临床验证:在香港屯门医院建立肺结节 AI 双盲验证方案,敏感性达 97.3%,形成香港医管局认证的申报标准。