Extension of Fractal Dimensions and the Computer Application of the Computer-aided Diagnosis for the High-resolution Computed Tomography Images

分形维数的扩展及高分辨率计算机断层扫描图像计算机辅助诊断的计算机应用

• 批准号: 12670875
• 负责人: KIDO Shoji
• 金额: $ 2.11万
• 依托单位: Yamaguchi University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2000
• 资助国家: 日本
• 起止时间: 2000 至 2001
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-12670875/
• 关键词: Fractal; CT; Computer; Computer-aided diagnosis; Lung cancer; Pulmonary nodule; Internet; Database; 診断支援

The outline of our research results is summarized to the following four items:1. Segmentation of small pulmonary nodules (SPNs)Segmentation of SPNs on thin-section computed tomographic (HRCT) images accurately is an important technique for the feature characterization for differential diagnosis of SPNs. We have developed a computerized scheme for automatic segmentation of SPNs.2. Fractal analysis for the SPNsThe fractal dimension is a physical measure related to the complexity of an object. We analyzed the internal and peripheral textures of SPNs in HRCT by use of fractal analysis for assisting radiologists' diagnoses.3. Web-based computer-aided diagnosis (CAD) systemWe have developed web-based CAD system, which uses the client-server architecture. The CAD server is located on the local area network of the radiology department. The radiologists can connect to the CAD server via the web and a standard browser. All operations of radiologists can be done with graphical user interface based operation.4. Web-based radiology-teaching libraryWe designed a web-based radiology-teaching library system, which can collect imaging cases widely via Internet and enables submitters and reviewers to do collaborative work in registering teaching roses without temporal or spatial restriction. The radiologist will use this library with our CAD system cooperatively.

我们的研究成果的大纲可以概括为以下四个项目：1。肺小结节的分割准确分割肺小结节的薄层计算机断层扫描（HRCT）图像是鉴别诊断肺小结节特征的重要技术。我们开发了一种计算机化的spns自动分割方案。分形维数是一种与物体复杂程度相关的物理度量。我们利用分形分析方法分析了HRCT中spn的内部和周围纹理，以辅助放射科医生的诊断。基于web的计算机辅助诊断系统我们开发了基于web的CAD系统，采用客户端-服务器架构。CAD服务器位于放射科的局域网上。放射科医生可以通过网络和标准浏览器连接到CAD服务器。放射科医生的所有操作都可以通过基于图形用户界面的操作来完成。基于网络的放射学教学图书馆我们设计了一个基于网络的放射学教学图书馆系统，该系统可以通过互联网广泛收集影像学病例，使提交者和审稿人能够不受时间和空间的限制进行教学记录的协同工作。放射科医师将与我们的CAD系统配合使用这个库。

项目成果

Shoji Kido: "Fractal Analysis of Small Peripheral Pulmonary Nodules in Thin-section Computed Tomograph"Radiology. 217(P). 548-549 (2000)

Shoji Kido：“薄层计算机断层扫描中小外周肺结节的分形分析”放射学。

Shoji Kido, Keiko Kuriyama, Chikazumi Kuroda, et al.: "Computerized detection of pulmonary nodules by single-exposure dual-energy computed radiography of the chest : effect of a computer-aided diagnosis (part 2)"European Journal of Radiology. Vol.44, No.3

Shoji Kido、Keiko Kuriyama、Chikazumi Kuroda 等人：“通过单次曝光双能胸部计算机放射线摄影对肺结节进行计算机化检测：计算机辅助诊断的效果（第 2 部分）”《欧洲放射学杂志》。

Shoji Kido, Keiko Kuriyama, Masahiko Higashiyama, et al.: "Fractal analysis of small peripheral pulmonary nodules in thin-section CT Evaluation of the lung nodule interfaces"Journal of Computer Assisted Tomography. Vol.26 No.4. 573-578 (2002)

Shoji Kido、Keiko Kuriyama、Masahiko Higashiyama 等人：“肺结节界面薄层 CT 评估中小周围肺结节的分形分析”计算机辅助断层扫描杂志。

Mitusko Tsubamoto, Keiko Kuriyama, Shoji Kido, et al.: "Detection of lung cancer on chest radiographs : analysis on the basis of size and extent of ground-glass opacity at thin-section CT"Radiology. Vol.224, No.1. 139-144 (2002)

Mitusko Tsubamoto、Keiko Kuriyama、Shoji Kido 等人：“胸部 X 光片上肺癌的检测：基于薄层 CT 毛玻璃不透明的大小和程度的分析”放射学。

Shoji Kido, Hironobu Nakamura, Wataru Ito, et al.: "Computerized detection of pulmonary nodules by single-exposure dual-energy computed radiography of the chest (part 1)"European Journal of Radiology. Vol.44, No.3. 198-204 (2002)

Shoji Kido、Hironobu Nakamura、Wataru Ito 等人：“通过胸部单次曝光双能计算机放射成像对肺结节进行计算机化检测（第 1 部分）”《欧洲放射学杂志》。