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 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.
目的探讨多层螺旋CT二维多平面重建和三维表面遮盖成像在骨折中的应用价值。
Objective To evaluate multislice spiral CT 2-dimensional multiplannar reformation and 3-dimensional surface shaded display in diagnosis of fracture.
结果：中耳鼓室、听骨链、内耳及内耳道分别三维成像，全面显示了各结构相互关系、表面及内部形态。
Results:The relationship of each structure and the superficial as well as internal morphology were shown clearly.
目的探讨螺旋CT扫描及三维表面遮盖成像(SSD - 3d)在颌面部病变中的应用价值。
Objective To study the value of clinical application of ct scanning and SSD-3D in the reconstruction of patients with pathological Maxillofacial.
物体表面三维传感是三维数字成像和造型领域的核心技术之一。
The 3-d sensing is one of the core techniques in 3-d digital imaging and modeling.
物体表面三维传感是三维数字成像和造型领域的核心技术之一。
The 3-d sensing is one of the core techniques in 3-d digital imaging and modeling.
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