论述了由单幅X射线投影进行轴对称物体密度重建的正则化方法。
The regularization method for density reconstruction of axially symmetric objects using a single Xray projection is described.
重建客户关系和客户亲密度是全世界企业家要思考的头等大事。
Reinventing the customer relationship and customer intimacy are top-of-mind among business leaders worldwide.
平滑重建算法可以提高密度分辨率。
The smooth reconstruction results to increase density resolution.
通过增加点云的采样密度，提高重建模型的精度和可靠性。
The high precision and reliability of the reconstruction model are reached by increasing sample density of measuring point cloud.
目的探讨螺旋CT多平面重建(MPR)、表面遮盖显示法(SSD)及最大密度投影法(MIP)在骨盆骨折诊断中的价值。
Objective To evaluate the diagnostic value of multiplanar reconstruction (MPR), shaded surface display (SSD) and maximum intensity projection (MIP) of spiral ct for pelvis fractures.
目的探讨螺旋CT多平面重建(MPR)、表面遮盖显示法(SSD)及最大密度投影法(MIP)在肩胛骨骨折诊断中的价值。
Objective to evaluate the clinical application value of multiplanar reconstruction (MPR), shaded surface display (SSD) and maximum intensity projection (MIP) with spiral ct to scapular fractures.
然后用快速自旋回波重T2 WI加权序列扫描，图像经最大密度投影法重建。
Then fast spiral echo sequence was used to get weighted T2WI images and the images were reconstructed with MIP(maximum intensity projection).
提出了一种基于曲面局平特性的，以散乱点集及其密度指标作为输入，以三角形分片线性曲面作为输出的拓扑重建算法。
An algorithm for topology reconstruction is promoted that takes as input an unorganized set of points with known density and carries out as output simplicial surfaces.
目的：探讨螺旋CT多平面重建(MPR)、表面遮盖法重建(SSD)和最大密度投影(MIP)重建在骨关节外伤中的临床应用价值。
Objective: To assess the clinical value of multiplanar reconstruction (MPR), surface shaded display (SSD) and maximum intensity projection (MIP) with spiral ct in trauma of bone and joint.
重建应用多平面重建（MPR），最大密度投影（M IP）及容积显示技术（VRT）。
Reconstruction methods were multiple planar reconstruction(MPR), maximum intensity projection(MIP) and volume rendering technique(VRT).
三维波前重建法射线追踪过程中可以保证稳定合理的射线密度，克服了常规射线追踪方法存在阴影区的问题。
The 3d wavefront construction method ray tracing can ensure stabile and reasonable density of rays, avoid the shadow problems in those traditional methods for ray tracing.
采用微焦点CT对疲劳试样进行了扫描与重建，获得了密度场图像库，并提取了试样内部的三维裂纹形态。结果表明裂纹以体的形式存在。
The specimen was scanned and reconstructed by means of Micro-CT, images of density field were obtained, and the 3D crack morphology was extracted.
根据射线穿过不同密度的物质产生的衰减不同，可以重建出物体的CT图像。
Ct image of an object can be reconstructed according to the theory that attenuation of X-ray emerges when it passes through objects with different density.
在图像重建中利用上述的线吸收系数能够反演出精度达5%的材料密度。
The spectrum effect on attenuation coefficient is less than 5%. The material densities can be reconstructed with such precision.
实验证明本工作满足实际要求，系统能够达到比较高的密度分辨率和空间分辨率，CT重建软件设计是成功的。
The experiment showed that the CT construction realized by the paper has a high density and space distinguishable abilities. The designing for CT construction software is successful.
应用SSART技术可以重建截面密度分布。
The air density distribution of the cross section could be reconstructed by SSART.
雷达成像需要获得目标空间谱域一定范围和密度的采样以重建目标图像，目标空间谱域的填充方式与雷达成像的质量有直接关系。
Radar imaging must obtain an extent of target spatial spectral-domain sampling, and the filling of spatial spectral domain is in direct connection with the quality of imaging result.
多种后处理技术，即多平面重建、最大密度投影及容积再现在颌面部复杂骨折中的应用价值。
To evaluate multi-planar reconstruction MPR, maximum intensity projection MIP and volume rendering technique VR in diagnosis of complicated maxillofacial fractures.
利用康普顿散射光子能谱可以重建物质的电子密度图像。
Compton scattering can be utilized for electron density imaging.
计算了二维股骨在外界静载荷工况下3000天的重建，结果与真实股骨截面密度分布非常相似；
In all, A 2-D femur model is calculated for bone remodeling of 3000 days, the results are creditable in good consistence with clinical obervations;
计算了二维股骨在外界静载荷工况下3000天的重建，结果与真实股骨截面密度分布非常相似；
In all, A 2-D femur model is calculated for bone remodeling of 3000 days, the results are creditable in good consistence with clinical obervations;
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