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    • 5. 发明申请
    • Method for Generating Real-Time Haptic Response Information for a Haptic Simulating Device
    • 用于产生触觉模拟装置的实时触觉响应信息的方法
    • US20110066406A1
    • 2011-03-17
    • US12848578
    • 2010-08-02
    • Ming-Dar TsaiMing-Shium Hsieh
    • Ming-Dar TsaiMing-Shium Hsieh
    • G06F17/50G06F17/10H04B3/36
    • G06T19/00G06F3/016G06T2210/28G06T2210/41
    • A method is provided for generating real-time haptic response information for a haptic simulating device during a surgery simulation performed by a virtual tool on an object volume that includes tissue voxels, null voxels, and object boundary points. The method includes: (a) receiving a select input of a selected virtual tool type; (b) obtaining tool boundary points of the virtual tool; (c) obtaining a current reference position of the virtual tool; (d) determining a current tool subvolume; and (e) when the current tool subvolume has at least one tissue voxel, (e-1) determining positions of the tool boundary points within the subvolume, (e-2) updating labels of the voxels within the subvolume and replacing an original set of the object boundary points within the subvolume with a new set of the object boundary points, (e-3) determining force-contributing ones of the tool boundary points, and (e-4) providing force information of a force to be generated by the haptic simulating device.
    • 提供了一种用于在由虚拟工具在包括组织体素,零体素和对象边界点的对象体积上执行的手术模拟期间产生用于触觉模拟装置的实时触觉响应信息的方法。 该方法包括:(a)接收所选虚拟工具类型的选择输入; (b)获取虚拟工具的工具边界点; (c)获得虚拟工具的当前参考位置; (d)确定当前工具子体积; (e)当当前工具子体积具有至少一个组织体素时,(e-1)确定子体积内的工具边界点的位置,(e-2)更新子体积内的体素的标签并替换原始组 (e-3)确定力作用的工具边界点,(e-4)提供由力产生的力的信息, 触觉模拟装置。
    • 6. 发明申请
    • Method for Generating Real-Time Haptic Response Information for a Haptic Simulating Device
    • 用于产生触觉模拟装置的实时触觉响应信息的方法
    • US20100070254A1
    • 2010-03-18
    • US12559607
    • 2009-09-15
    • Ming-Dar TsaiMing-Shium Hsieh
    • Ming-Dar TsaiMing-Shium Hsieh
    • G06G7/48G06T17/00G09G5/00
    • G06T19/00G06F3/016G06T2210/28G06T2210/41
    • A method is provided for generating real-time haptic response information for a haptic simulating device during a surgery simulation performed on an object volume by a virtual tool that is associated with the haptic simulating device. The object volume includes tissue voxels, null voxels, and object boundary points located between corresponding adjacent pairs of the tissue and null voxels. The method includes: (a) obtaining a current center position of the virtual tool; (b) determining a current tool subvolume of the object volume; and (c) upon determining that the current tool subvolume has at least one tissue voxel, performing the sub-steps of: (c-1) determining positions of tool boundary points within the current tool subvolume, (c-2) updating labeling of the voxels within the current tool subvolume and replacing an original set of the object boundary points within the current tool subvolume with a new set of the object boundary points, and (c-3) providing force information of a force to be generated by the haptic simulating device.
    • 提供了一种用于在通过与触觉模拟装置相关联的虚拟工具对对象体积执行的手术模拟期间产生用于触觉模拟装置的实时触觉响应信息的方法。 对象体积包括组织体素,零体素和位于组织的相应相邻对和零体素之间的对象边界点。 该方法包括:(a)获得虚拟工具的当前中心位置; (b)确定目标体积的当前工具子体积; (c)在确定当前工具子体积具有至少一个组织体素时,执行以下子步骤:(c-1)确定当前工具子体积内的工具边界点的位置,(c-2)更新标签 当前工具中的体素子体积,并用一组新的对象边界点替换当前工具子体积中的原始对象边界点集合,(c-3)提供由触觉产生的力的力信息 模拟装置。
    • 8. 发明申请
    • Image analysis method for vertebral compression curvature
    • 图像分析方法用于椎体压缩曲率
    • US20070036416A1
    • 2007-02-15
    • US11515002
    • 2006-09-05
    • Ming-Dar TsaiMing-Shium Hsieh
    • Ming-Dar TsaiMing-Shium Hsieh
    • G06K9/00A61B5/05
    • G06T7/0012G06T7/64G06T2207/10081G06T2207/10088G06T2207/20044G06T2207/30012
    • An image analysis method for vertebral compression curvature is disclosed for providing diagnosis analysis of the compression curvature. It makes use of the transverse sectional image with a concave feature of a vertebral body. After B-spline curves are approximated as ellipse-like surfaces, the method further evaluates the compression curvature of the canal. On the other hand, the center of the ellipse-like surface boundary obtained by approximation from different transverse sectional images of the vertebral body is used to reconstruct the centerline of the vertebral body by linear restoration. Such information is used to determine the curvature of the vertebral body. Moreover, the method can use the above-mentioned reconstructed vertebral body centerline to compare with other adjacent vertebral centerlines that have normal curvatures. In this manner, the method can help determine the type and extent of the spine under pressure or having a fracture.
    • 公开了用于提供压缩曲率的诊断分析的用于椎体压缩曲率的图像分析方法。 它利用具有椎体的凹形特征的横截面图像。 在B样条曲线近似为椭圆形曲面之后,该方法进一步评估了运河的压缩曲率。 另一方面,通过从椎体的不同横截面图像近似获得的椭圆形表面边界的中心用于通过线性恢复来重建椎体的中心线。 这些信息用于确定椎体的曲率。 此外,该方法可以使用上述重建的椎体中心线与具有正常曲率的其他相邻椎骨中心线进行比较。 以这种方式,该方法可以帮助确定在压力下或有骨折的脊柱的类型和程度。
    • 10. 发明授权
    • Three-dimensional surgery simulation system
    • 三维手术模拟系统
    • US07121832B2
    • 2006-10-17
    • US10379135
    • 2003-03-04
    • Ming-Shium HsiehMing-Dar Tsai
    • Ming-Shium HsiehMing-Dar Tsai
    • G09B23/28
    • G09B23/28G06F19/00
    • A three-dimensional surgery simulation system is provided for generating a three-dimensional surgery simulation result of an anatomical part undergoing a simulated surgical procedure. The system includes a display unit, a three-dimensional visual imaging unit, a storage unit for storing a plurality of voxelized three-dimensional model image data sets, an input unit for controlling progress of the simulated surgical procedure, and a computing unit for computing the simulation result data in accordance with the voxelized three-dimensional model image data sets and under the control of the input unit, and for controlling the display unit to permit viewing of the surgery simulation result in three-dimensional form thereon by an operator wearing the visual imaging unit.
    • 提供三维手术模拟系统,用于产生经历模拟外科手术的解剖部位的三维手术模拟结果。 该系统包括显示单元,三维可视成像单元,用于存储多个体素化三维模型图像数据组的存储单元,用于控制模拟外科手术进程的输入单元,以及用于计算 所述模拟结果数据根据所述体素化三维模型图像数据集并且在所述输入单元的控制下,并且用于控制所述显示单元,以允许所述显示单元通过佩戴所述显示单元在其上以三维形式观看所述手术模拟结果 视觉成像单元。