BodyGPS可跨模态定位人体解剖结构，响应快至1毫秒。
BodyGPS: Anatomical Positioning System
- 通过回归预测查询点对应的解剖图谱坐标。
- 在CT和MRI上实现无监督/有监督训练，支持多种任务。
- 稀疏采样提升效率，无需额外硬件即达1毫秒响应。
我们提出一种新型基础模型，用于解析医学图像中的人体解剖结构，适用于不同成像模态。该模型支持监督或无监督训练，可在有无用户交互的情况下完成匹配、配准、分类或分割任务。方法基于神经网络估计器，将查询位置映射为图谱坐标。通过稀疏采样输入，显著提升效率，无需额外加速硬件即可实现低于1毫秒的响应时间。我们在CT和MRI模态上验证了算法的有效性。
原文摘要 · Abstract (English)
We introduce a new type of foundational model for parsing human anatomy in medical images that works for different modalities. It supports supervised or unsupervised training and can perform matching, registration, classification, or segmentation with or without user interaction. We achieve this by training a neural network estimator that maps query locations to atlas coordinates via regression. Efficiency is improved by sparsely sampling the input, enabling response times of less than 1 ms without additional accelerator hardware. We demonstrate the utility of the algorithm in both CT and MRI modalities.
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