Methods A three-dimensional finite element model of maxilla containing palatal implant was built using spiral CT scanning, computer image processing, and CAD technology.
方法采用螺旋CT扫描、计算机图像处理及CAD技术，建立含腭部种植体的上颌骨三维有限元模型。
Then XY section image and YZ section image between registered three-dimensional ct model and CAD model are compared to verify validity and feasibility of algorithms.
并把配准后的三维ct模型同CAD理论模型的XY方向截面和YZ方向截面进行比较，验证算法的正确性和可行性。
The way of establishing the three-dimensional model by the CT scanning and CAD techniche can produce a highly precision and vivid image.
CT断层扫描与CAD技术联合应用建立下颌骨及其修复体三维模型的方法精度高、图象直观，在以后的研究分析中值得推广应用。
Methods: a Finite Element Model of human mandible is developed from ct scan images by the technologies of three-dimensional reconstruction, image processing and meshing.
方法：根据人体下颌骨的螺旋CT扫描图像，利用三维重建、图像处理和网格划分技术，建立人体下颌骨的三维有限元模型。
A finite element model of human mandible is developed from ct scan images by the technologies of three-dimensional reconstruction, image processing and meshing.
根据人体下颌骨的螺旋CT扫描图像，利用三维重建、图像处理和网格划分技术，建立了人体下颌骨的三维有限元模型。
Two years ago, scientists removed the mummy from the tomb and placed it into a portable CT scanner for 15 minutes to obtain a three-dimensional image.
两年前，科学家将这具木乃伊从古墓中移出，将它放置在便携式CT扫描仪上进行了15分钟扫描，从而获取了三维图像。
Methods Spiral ct scanning, image processing and CAD technology and FEM software were employed in the study to construct the three-dimensional finite element model of maxilla with a palatal implant.
方法采用螺旋ct断层扫描、计算机图像处理、计算机辅助设计和有限元软件处理，建立含腭部种植体的上颌骨三维有限元模型。
Objective To investigate the printing technique of spiral CT three-dimensional (3D) colour image.
目的探讨螺旋CT彩色三维（3D）图像打印技术。
Objective to compare the image quality of three-dimensional spiral ct portography (3d-sctp) produced by SSD with that by MIP and to make preliminary evaluation for its clinical application.
目的比较最大强度投影(mip)和表面遮盖显示(SSD)两种三维螺旋CT门静脉成像(3d - SCTP)重建方法的成像质量，初步评价3d - SCTP对肝硬化门静脉高压患者的临床应用价值。
Objective to assess the application of 64-row volumetric ct three dimensional image formation to shape the titanium mesh for the skull neoplasty.
目的探讨利用64排容积ct颅骨三维成像并塑形钛网应用于颅骨修补术的价值。
Objective To discuss the methods of reconstructing a digital model and a three-dimensional visualization of the pelvic tumor and the surrounding structures based on CT angiographic (CTA) image.
目的探讨基于CTA断层图像重建盆腔肿瘤及周围结构数字模型及三维可视化的方法。
Objective:To evaluate the effect of spiral CT and three-dimensional(3-D) reconstruction image in the diagnosis of maxillofacial bone fracture.
目的：评价螺旋CT在颌面部骨折治疗中的诊断和制定治疗方案中所发挥的作用。
Objective:To evaluate the effect of spiral CT and three-dimensional(3-D) reconstruction image in the diagnosis of maxillofacial bone fracture.
目的：评价螺旋CT在颌面部骨折治疗中的诊断和制定治疗方案中所发挥的作用。
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