Description: 绘制完成的工作面沿倾向方向的水平变形曲面图形和生成的倾向方向水平变形等值线图-Drawing completed face along the inclined surface direction of horizontal deformation generated graphics and the tendency of the direction of horizontal deformation isogram Platform: |
Size: 3072 |
Author:小云 |
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Description: 针对基于最小二乘法的ICP 曲面匹配算法难以处理待比较曲面的局部大变形问题, 提出一种改进算
法。即采用遗传算法确定曲面初始相对位置以保证匹配优化结果为全局最优值, 利用ICP 算法匹配结果构造
偏差阈值, 以此阈值过滤点群后再以最小二乘法进行匹配处理, 消除局部大变形影响, 获得合理的变换矩阵。以此变换矩阵变换初始点群再进行误差计算, 从而获得理想的匹配结果-Least square method based on the ICP surface matching algorithm to be relatively difficult to deal with the local surface deformation problem, an improved algorithm. Genetic algorithm that is used to determine the relative position of the initial surface in order to ensure optimization of the results of matching the global optimum value, the use of ICP algorithm to match the results of structural deviation threshold, this threshold point group and then filtered to match the least squares processing, the elimination of local large deformation effects of the transformation matrix to obtain reasonable. Transformation matrix to transform the initial point of the calculation error of another group in order to achieve an ideal match Platform: |
Size: 342016 |
Author:chenruibao |
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Description: 一篇关于kalman滤波的监测地表三维形变的研究文章-A kalman filter on the surface of three-dimensional deformation monitoring of the research papers Platform: |
Size: 387072 |
Author:王华 |
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Description: 基于AE的用任意对变形对线和面进行裁剪，对点进行包含判断 -Based on AE' s with the arbitrary deformation of the line and surface to cut on the points included to determine Platform: |
Size: 4096 |
Author:蜗牛 |
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Description: VB和Surfer接口研制及在地表移动变形的应用.pdf-VB and Surfer interface development and application of movement and deformation on the surface. Pdf Platform: |
Size: 343040 |
Author:程江涛 |
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Description: 目的 利用 CT、 MR等获得的图像 ,重构出器官、 骨骼或组织的三维形体 ,帮助医生诊断、 治疗或制订手术方案。方法hear2Warp 算法通过将三维数据场的投影分解为错切变换( shear ) 和变形变换(warp)两步来实现三维重建 ,显著减少了计算量。先对体数据进行错切变换 ,然后在错切空间根据阈值法获取三维表面 ,根据光照模型得到三维表面的亮度 ,最后通过变形变换得到最终的结果图像。-The purpose of the use of CT, MR and other available images, reconstruct organs, bone or tissue of the three-dimensional shape, helping physicians diagnose, treat, or development of surgery. Methods hear2Warp algorithm the projection of three-dimensional data field is decomposed into shear transformation (shear) and deformation of transformation (warp) two-step to achieve the three-dimensional reconstruction, significantly reducing the computational complexity. The first body of data on the shear transformation, and then in the wrong tangent space under the threshold value method to obtain three-dimensional surface, obtained under the illumination model three-dimensional surface brightness, the final adoption of a final result of deformation of the image transformation. Platform: |
Size: 301056 |
Author:liaozw |
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Description: MLS用於3D曲面變型，可算出較為準確的法向量-This method can be used to 3D surface deformation,can figure out more accurate normal vecter Platform: |
Size: 2023424 |
Author:Tonymomo |
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Description: 这是超分辨率的实际应用论文。文章介绍了嫦娥一号月面成像的高次函数形变模型匹配及超分辨率重建知识。-This is the practical application of super-resolution paper. This paper introduces the Chang' e lunar surface imaging of high-order function of deformation model matching and super-resolution reconstruction of knowledge. Platform: |
Size: 1451008 |
Author:fanqian |
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Description: 本为是关于曲面变形研究的文章，提出了利用ffd算法进行曲面变形的理论。基于嵌入空间变形的物体变形方法研究-This is a deformation on the surface of the article, the algorithm proposed by using ffd surface deformation theory. Embedding space-based method of deformation of the object deformation Platform: |
Size: 18432 |
Author:陈金玲 |
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Description: 摘要: 研究了调节凸 B¨|zie 曲面、B-样条曲面及 NURBS 曲面(BBN 曲面)一个控制点以后,曲面形状变化的规
律.通过将 BBN 曲面分解成一张凸曲面与具有特殊形状曲面的叠加,建立了曲面变形前后一些几何量与变形位
移量之间的数量关系,得到了凸BBN曲面失去凸性的充分条件和判据.相应的结果可应用于调节与控制BBN曲
面形状的算法设计. -Abstract: The regulation convex B ¨ | zie surface, B-spline surfaces and NURBS surfaces (BBN surface) a control point, the variation of surface shape by the BBN decomposed into a convex curved surface and has a special shape of the surface superimposed, before and after the establishment of surface deformation geometry and deformation of some quantitative relationship between displacement, has been lost convex surface BBN sufficient condition for convexity and criteria, and the corresponding results can be applied to adjust the surface shape and control algorithm design BBN . Platform: |
Size: 81920 |
Author:周保兴 |
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Description: (l)提出了基于最小二乘网格的自由变形技术。以最小二乘网格作为原始网格
的低分辨率网格，将两者之间的高低频差用局部标架编码，达到保持网格模型的
表面几何细节的目的。算法基本思想就是利用网格自由变形技术(均值坐标)控
制低分辨率的最小二乘网格，而不是直接控制原始网格 然后通过局部标架编码
重建变形后的网格。-(L) proposed a free-form deformation based on least squares of the grid technology. The least square grid as the original low-resolution mesh grid, the difference between the two high frequency frames with local codes, to maintain the mesh of the surface geometry details of the purpose. The basic idea is to use grid algorithm is free-form deformation techniques (mean coordinates) to control low-resolution least-squares grid, rather than direct control of the original mesh and then re-encoded frame by local deformation of the grid. Platform: |
Size: 7299072 |
Author:周保兴 |
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Description: 赋形卡氏天线主面变形的副面实时补偿Shaped Cassegrain antenna sub-surface deformation of the main surface of real-time compensation-Shaped Cassegrain antenna sub-surface deformation of the main surface of real-time compensation Platform: |
Size: 718848 |
Author:ever |
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Description: 该文章详细的讲述了利用B-spline曲面建模，并进行变形监测的理论和方法。-The article describes in detail the use of B-spline surface modeling, and the deformation monitoring of theories and methods. Platform: |
Size: 346112 |
Author:周 |
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Description: 煤田火区地表形态变化是煤火监测和分析的可用指标之一’由于矿区地表严重的去相干噪声，使得星载合
成孔径雷达干涉测量技术应用于煤田火区地表形变检测比较困难’结合煤田火区地表形变特点，利用 4 波段的
-45( -4(-! 数据进行差分干涉处理，利用干涉条纹频率精确估计基线，并用自适应滤波方法降低去相干噪声的
影响’在去除平地相位和参考地形相位后，获取煤田火区的地表形变’研究表明: 地表形变与煤火燃烧具有一定
的相关关系，通过地表形变分析有助于对地下煤火燃烧情况的判断 利用差分干涉 (-! 技术检测煤田火区地表形
变，进而对煤火进行监测和分析是可行的’
-Coal fire area surface morphology change is one of the available indicators of coal fire monitoring and analysis of due to the mining area surface serious to coherent noise, the spaceborne
Into aperture radar interferometry technique is applied to coal fire area of surface deformation detection more difficult combining with the characteristics of surface deformation in coal fire area, use 4 band
- 45 ( - 4-! Differential interference in the data processing, the baseline is estimated based on the interference fringe frequency precision, using adaptive filtering method to reduce to the coherent noise
Reference terrain effects in removing the ground phase and phase, for coal fire area surface deformation research shows that: the surface deformation and coal fire burning has certain
The correlation between, through the analysis of the surface deformation helps burning of underground coal fire situation judgment Using differential interference (-! Technology to detect coal fire area Platform: |
Size: 613376 |
Author:桂小刚 |
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Description: 季节性冻融导致的地表形变是冻土地区工程建设的主要病害,冻土的冻胀和融沉是影响青藏
公路以及目前建设的青藏铁路路基稳定的重要因素.近年来,差分干涉测量技术已成为地表形变测量
和监测的重要工具.基于重复轨道的ERS-1/2雷达图像,研究了利用干涉SAR技术探测冻土形变的方
法,经过对引入DEM差分干涉SAR技术的处理和分析,得到研究区冻土形变结果.通过与实测数据
比较,表明重轨差分干涉测量可以精确地探测冻土表面形变,可用于青藏铁路冻土形变监测.
-Seasonal freezing and thawing cause surface deformation is the main disease permafrost area construction projects, permafrost heave and thaw settlement is an important factor in the current construction of the Qinghai-Tibet Highway and Qinghai-Tibet railway embankment stabilizing influence in recent years, the differential interferometry techniques have been surface deformation become an important tool for measuring and monitoring. Repeat track ERS-1/2 radar image based on research using SAR interferometry technique to detect permafrost deformation method, after the introduction DEM differential interferometric SAR technology processing and analysis, research permafrost deformation results by comparison with the measured data, indicate heavy rail differential interferometry can accurately detect permafrost surface deformation, can be used for deformation monitoring permafrost. Platform: |
Size: 1150976 |
Author:桂小刚 |
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Description: 合成孔径雷达(SAR)差分干涉测量是一种最新的大地形变测量遥感技术方法.利用欧洲空
间局1996年4月15日获取的地球资源卫星ERS-1数据和4月16日获取的ERS-2数据,以及
1997年12月2日获取的ERS-2数据,应用差分干涉测量技术对发生于1997年11月8日的西藏
玛尼地震进行了提取区域形变场的应用研究.从得到的变化检测条纹图中可识别出地表破裂带,并
可定量推算震中周围和两条断裂带附近的变形情况.分析结果表明:断裂为左行平移性质,断裂带
南侧水平错动的最大变形量至少超过2.8 m,北侧水平错动的最大变形量至少超过1.75 m.差分干
涉测量分析结果与地面调查及已有的相关研究资料符合得很好.
-Synthetic Aperture Radar (SAR) interferometry differential is one of the latest geodetic deformation measurement method of remote sensing techniques. Use of the European Space Agency April 15, 1996 acquired earth resources satellite ERS-1 data and the April 16 acquisition ERS-2 data, and ERS-2 data December 2, 1997 acquired the application of differential interferometry technique occurred in November 8, 1997 earthquake in Tibet Mani conducted applied research to extract regional deformation field the resulting change detection fringe figure surface rupture zone can be identified, and quantitative estimation and deformation around the epicenter near the two fault analysis results show that: the nature of the fracture to the left-lateral, horizontal fracture zone south of dislocation at least exceed the maximum amount of deformation 2.8 m, north of horizontal dislocation of the maximum deformation amount exceeds 1.75 m at least. differential interferometry and ground survey and analysis Platform: |
Size: 49152 |
Author:桂小刚 |
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