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    • 5. 发明申请
    • SYSTEM AND METHOD FOR VIRTUALLY AUGMENTED ENDOSCOPY
    • 用于虚拟内镜下内窥镜的系统和方法
    • WO2009102984A2
    • 2009-08-20
    • PCT/US2009/034104
    • 2009-02-13
    • THE RESEARCH FOUNDATION OF THE STATE UNIVERSITY OF NEW YORKKAUFMAN, ArieMARINO, Joseph
    • KAUFMAN, ArieMARINO, Joseph
    • A61B1/00A61B1/06A61B6/00A61B5/055
    • A61B1/00009A61B1/0005A61B5/055A61B6/032
    • Virtually augmented endoscopy includes overlaying optical endoscopy image data with a virtual endoscopy model. Image distortion in the optical endoscopy image data can be substantially reduced. Features in the virtual endoscopy model can be correlated with features in the optical endoscopy image data to improve examination performance. A correlation path through the virtual endoscopy model can be determined that reasonably follows the physical path of an endoscope. A 2D or 3D correlation model can be generated from the image data and correlated to the virtual endoscopy model. Correlation between the scan data domain and the image data domain can use either the correlation path, correlation model or a combination thereof. CAD tools and other features of virtual endoscopy can then be applied to enhance the performance of optical endoscopy.
    • 实际增强的内窥镜检查包括用虚拟内窥镜模型覆盖光学内窥镜图像数据。 可以显着降低光学内窥镜图像数据中的图像失真。 虚拟内窥镜模型中的特征可以与光学内窥镜图像数据的特征相关联,以提高检查性能。 可以确定通过虚拟内窥镜检查模型的相关路径合理地跟随内窥镜的物理路径。 可以从图像数据生成2D或3D相关模型,并与虚拟内窥镜模型相关联。 扫描数据域和图像数据域之间的相关性可以使用相关路径,相关模型或其组合。 然后可以应用CAD工具和虚拟内窥镜的其他特征来增强光学内窥镜检查的性能。
    • 6. 发明申请
    • ELECTRONIC COLON CLEANSING METHOD FOR VIRTUAL COLONOSCOPY
    • 用于虚拟结肠镜的电子束清洗方法
    • WO2007064980A2
    • 2007-06-07
    • PCT/US2006/046169
    • 2006-11-29
    • THE RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORKLIANG, Jerome, Z.WANG, Zigang
    • LIANG, Jerome, Z.WANG, Zigang
    • A61B5/103
    • G06K9/34G06K2209/053
    • A method for electronically cleansing a virtual object formed from acquired image data converted to a plurality of volume elements is provided. The present method allows individual volume elements, or voxels, to represent more than one material type. The method includes defining a partial volume image model for volume elements representing a plurality of material types based, at least in part, on the measured intensity value of the volume element. The material mixture for each of the volume elements representing a plurality of material types can be estimated using the observed intensity values and the defined partial volume image model. The volume elements representing a plurality of material types can then be classified in accordance with the estimated material mixture. For electronic colon cleansing, the method includes removing at least one classification of volume elements when displaying the virtual object.
    • 提供了一种用于电子清洗从被转换为多个体积元素的获取的图像数据形成的虚拟对象的方法。 本方法允许单个体积元素或体素表示多于一种的材料类型。 该方法包括至少部分地基于体积元素的测量强度值来定义表示多种材料类型的体积元素的部分体积图像模型。 可以使用观察到的强度值和限定的部分体积图像模型来估计表示多种材料类型的每个体积元素的材料混合物。 然后可以根据所估计的材料混合物来分类代表多种材料类型的体积元素。 对于电子结肠清洗,该方法包括在显示虚拟对象时移除体积元素的至少一个分类。