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21. 发明授权

US08249304B2 System and method for measuring gaps between object parts 失效
标题翻译：用于测量物体间隙的系统和方法
公开(公告)号：US08249304B2
公开(公告)日：2012-08-21
申请号：US12556777
申请日：2009-09-10
申请人： Chih-Kuang Chang , Xin-Yuan Wu , Shao-Qin Xie
发明人： Chih-Kuang Chang , Xin-Yuan Wu , Shao-Qin Xie
IPC分类号： G06K9/00 , G06K9/62
CPC分类号： G01B11/14 , G06T7/001 , G06T2207/30164
摘要： A detecting method for measuring gaps between two parts of an object is provided. The detecting method selects a reference image and a measured image, merges the reference image and the measured image to form an image of the object, grids the reference image and the measured image to obtain triangle mesh surfaces, obtains boundary points and outline points of the measured image, and obtains triangles on a joint portion of the reference image and measured points on a corresponding joint portion of the measured image. The method further compares each measured point with an obtained triangle to obtain gap values of the joint portion between the reference image and the measured image, and outputs an analysis report of the gap values on a display device.
摘要翻译：提供了一种用于测量物体的两个部分之间的间隙的检测方法。检测方法选择参考图像和测量图像，合并参考图像和测量图像以形成对象的图像，网格参考图像和测量图像以获得三角形网格表面，获得边界点和轮廓点并且在参考图像的接合部分和测量图像的对应关节部分上的测量点获得三角形。该方法进一步将每个测量点与获得的三角形进行比较，以获得参考图像和测量图像之间的关节部分的间隙值，并在显示装置上输出间隙值的分析报告。

22. 发明授权

US07865330B2 System and method for measuring a curve of an object 有权
标题翻译：用于测量物体曲线的系统和方法
公开(公告)号：US07865330B2
公开(公告)日：2011-01-04
申请号：US12430103
申请日：2009-04-26
申请人： Chih-Kuang Chang , Xin-Yuan Wu
发明人： Chih-Kuang Chang , Xin-Yuan Wu
IPC分类号： G01B5/20 , G01B11/24 , G01B17/06 , G01B21/20
CPC分类号： G01B21/20 , G06T7/001 , G06T2207/30164
摘要： A system and method for measuring a curve of an object includes aligning the ideal curve and the real point-cloud of the object, and defining a plurality of tolerance ranges for an area of a real curve of the object having a tolerance in a predetermined range. The method further includes determining a closest ideal point on the ideal curve corresponding to each real point in the real point-cloud, and assigning a serial number to each real point in the real point-cloud according to a sequence of the closest ideal points on the ideal curve. Furthermore, the method includes generating the real curve by connecting every two real points in the real point-cloud according to the serial number, and assigning a color to each line-segment according to the tolerance range in which two closest distances corresponding to two end-points of each line-segment fall.
摘要翻译：用于测量物体的曲线的系统和方法包括对准理想曲线和对象的实际点云，并且定义具有在预定范围内的公差的物体的实际曲线的区域的多个公差范围。该方法还包括确定理想曲线上对应于实点云中每个实点的最接近的理想点，以及根据最接近的理想点的序列将序列号分配给实点云中的每个实点理想曲线。此外，该方法包括通过根据序列号连接实点云中的每两个实点来生成实曲线，并且根据相应于两端的两个最近距离的公差范围向每个线段分配颜色每个线段的下降点。

23. 发明授权

US09064088B2 Computing device, storage medium and method for analyzing step formatted file of measurement graphics 有权
标题翻译：计算设备，存储介质和分析测量图形步骤格式化文件的方法
公开(公告)号：US09064088B2
公开(公告)日：2015-06-23
申请号：US13555085
申请日：2012-07-21
申请人： Chih-Kuang Chang , Xin-Yuan Wu , Bo Nie
发明人： Chih-Kuang Chang , Xin-Yuan Wu , Bo Nie
IPC分类号： G06F17/22 , G06F17/50
CPC分类号： G06F17/5086
摘要： A computing device performs a method to analyze a STEP (standardized exchange of product) formatted file of a measurement graphics, and to predefine one or more graphic keywords and graphics analysis modes in a storage device of the computing device. The method extracts a content keyword and a content character string from each line of the STEP formatted file, and analyzes the content keywords and the content character strings to obtain shell data of the graphic elements. The method further draws a geometrical shell of the measurement graphics according to the shell data using a curve meshing method, marks boundaries of the geometrical shell using an indication mark, and displays the measurement graphics with the indication mark on a display device of the computing device.
摘要翻译：计算设备执行分析测量图形的STEP（标准化交换产品）格式文件的方法，并且在计算设备的存储设备中预定义一个或多个图形关键字和图形分析模式。该方法从STEP格式化文件的每一行提取内容关键字和内容字符串，并分析内容关键字和内容字符串以获取图形元素的shell数据。该方法使用曲线网格划分法，根据壳数据绘制测量图形的几何外壳，使用指示标记标记几何外壳的边界，并在计算设备的显示设备上显示具有指示标记的测量图形。

24. 发明授权

US09030473B2 Computing device and method for determining distance between two curved surfaces 有权
标题翻译：用于确定两个曲面之间的距离的计算装置和方法
公开(公告)号：US09030473B2
公开(公告)日：2015-05-12
申请号：US13480481
申请日：2012-05-25
申请人： Chih-Kuang Chang , Xin-Yuan Wu , Min Wang
发明人： Chih-Kuang Chang , Xin-Yuan Wu , Min Wang
IPC分类号： G06T17/20 , G06T7/00 , G06F17/20 , G01B5/14 , G06F17/50
CPC分类号： G01B5/14 , G06F17/20 , G06F17/50 , G06T7/001 , G06T17/20 , G06T2207/30164
摘要： A computing device reads information in relation to a first curved surface and a second curved surface from a storage device, respectively meshes the first and second curved surfaces into a plurality of first and second triangles, and divides a parametric plane associated into a plurality of first grids, where each first grid corresponds to a small box in 3D space. The device determines associations between the first/second triangles of the two curved surfaces and the small boxes in the 3D space, determines a second triangle that is nearest to each first triangle of the first curved surface, and determines a distance between the first triangle and the second triangle as a minimum distance from the first triangle to the second curved surface. A minimum value from all of the minimum distances is determined as a minimum distance between the first curved surface and the second curved surface.
摘要翻译：计算设备从存储设备读取关于第一弯曲表面和第二弯曲表面的信息，分别将第一和第二曲面形成多个第一和第二三角形，并将与多个第一和第二三角形相关联的参数平面分割网格，其中每个第一个网格对应于3D空间中的一个小框。设备确定两个曲面的第一/第二三角形和3D空间中的小框之间的关联，确定最靠近第一曲面的每个第一三角形的第二个三角形，并确定第一个三角形和第二个三角形作为从第一个三角形到第二个曲面的最小距离。将所有最小距离的最小值确定为第一曲面和第二曲面之间的最小距离。

25. 发明授权

US08982127B2 Computing device and method for establishing three dimensional coordinate system using graphics 有权
标题翻译：使用图形建立三维坐标系的计算装置和方法
公开(公告)号：US08982127B2
公开(公告)日：2015-03-17
申请号：US13598786
申请日：2012-08-30
申请人： Chih-Kuang Chang , Xin-Yuan Wu , Wei Wang
发明人： Chih-Kuang Chang , Xin-Yuan Wu , Wei Wang
IPC分类号： G06T15/10
CPC分类号： G06T15/10 , G06F17/50 , G06T19/20 , G06T2219/2016
摘要： In a method for establishing a three-dimensional coordinate system, the method establishes an original coordinate system in a design drawing of a product, and draws a hollow cube. Faces of the hollow cube are marked with different directions. Using the hollow cube, the method calculates a first matrix for correcting the original coordinate system according to a selected plane from the design drawing. The method also calculates a second matrix for correcting the original coordinate system according to a selected line, and calculates a third matrix for correcting the original coordinate system according to a selected point or a center of a selected circle. By multiplying the three matrixes, a new matrix is generated to establish a new coordinate system, which is displayed on a display screen.
摘要翻译：在建立三维坐标系的方法中，该方法在产品的设计图中建立原始坐标系，并绘制中空立方体。中空立方体的表面标有不同的方向。使用中空立方体，该方法根据来自设计图的选定平面计算用于校正原始坐标系的第一矩阵。该方法还根据所选择的线计算用于校正原始坐标系的第二矩阵，并且根据所选择的圆的选定点或中心来计算用于校正原始坐标系的第三矩阵。通过乘以三个矩阵，生成一个新的矩阵来建立一个新的坐标系，显示在显示屏上。

26. 发明授权

US08855407B2 Electronic device and method for adjusting orientation of product model in machine coordinate system 有权
标题翻译：用于调整机器坐标系中产品型号方向的电子设备和方法
公开(公告)号：US08855407B2
公开(公告)日：2014-10-07
申请号：US13245876
申请日：2011-09-27
申请人： Chih-Kuang Chang , Xin-Yuan Wu , Wei Wang
发明人： Chih-Kuang Chang , Xin-Yuan Wu , Wei Wang
IPC分类号： G06K9/00 , G06K9/36 , G06K9/32 , G01B7/008 , G01B5/008 , G06F17/50
CPC分类号： G06F17/50 , G01B5/008 , G01B7/008
摘要： An electronic device and method creates a part coordinate system of a three-dimensional (3D) product model based on dimensional information in a two-dimensional (2D) drawing of the product, determines transformation matrices of the part coordinate system relative to a machine coordinate system of the measuring machine, and automatically adjusts the orientation of the product model in the machine coordinate system, to align the part coordinate system with the machine coordinate system.
摘要翻译：电子设备和方法基于产品的二维（2D）图中的尺寸信息创建三维（3D）产品模型的零件坐标系，确定零件坐标系相对于机床坐标的变换矩阵测量机系统，自动调整机器坐标系中产品型号的方向，使零件坐标系与机床坐标系对齐。

27. 发明授权

US08615522B2 Computing device, storage medium and method for outputting dimension data using the computing device 失效
标题翻译：计算设备，存储介质和使用计算设备输出维数据的方法
公开(公告)号：US08615522B2
公开(公告)日：2013-12-24
申请号：US13425434
申请日：2012-03-21
申请人： Chih-Kuang Chang , Xin-Yuan Wu , Jing-Jie Shen , Jin-Gang Rao
发明人： Chih-Kuang Chang , Xin-Yuan Wu , Jing-Jie Shen , Jin-Gang Rao
IPC分类号： G06F7/00 , G06F17/30
CPC分类号： G06F17/30592 , G06F17/3028
摘要： In a method for outputting dimension data using a computing device, a dimension file is read and searched for at least one dimension keyword. If there is the at least one dimension keyword in the dimension file, dimension data from the dimension file is extracted and stored as one or more structure variables into a structure array. Each of the one or more structure variables is added into a dimension field of a preset general list. Each dimension field in the preset general list is output into an output report according an output position of each dimension field, and the output report is displayed on a display screen.
摘要翻译：在使用计算设备输出尺寸数据的方法中，读取维度文件并搜索至少一个维度关键字。如果尺寸文件中至少有一个维度关键字，则维度文件中的维数据将被提取并作为一个或多个结构变量存储到结构数组中。一个或多个结构变量中的每一个都被添加到预设的一般列表的维度字段中。预设通用列表中的每个维度字段都会根据每个维度字段的输出位置输出到输出报告中，并将输出报告显示在显示屏幕上。

28. 发明授权

US08265898B2 System and method for verifying a probe tip 失效
标题翻译：用于验证探头尖端的系统和方法
公开(公告)号：US08265898B2
公开(公告)日：2012-09-11
申请号：US12862779
申请日：2010-08-25
申请人： Chih-Kuang Chang , Xin-Yuan Wu , Min Wang
发明人： Chih-Kuang Chang , Xin-Yuan Wu , Min Wang
IPC分类号： G01B5/008
CPC分类号： G01B21/042 , G01B5/008
摘要： A computing system and method verifies a probe tip of a coordinate measuring machine. The computing system simulates a virtual sphere and calculates coordinates of the center of the virtual sphere. The coordinates of first real contact points of the real sphere is obtained to calculate coordinates of the center of the real sphere and coordinates of the ideal contact points of the real sphere. The computing system obtains coordinates of second real contact points of the real sphere is obtained according to the coordinates of the ideal contact points of the real sphere. The radius of the probe tip is calculated according to the coordinates of second real contact points of the real sphere. The computing system determines if the calculated radius of the probe tip falls in an allowable range.
摘要翻译：计算系统和方法验证坐标测量机的探针尖端。计算系统模拟虚拟球体并计算虚拟球体中心的坐标。获得实球第一实际接触点的坐标，以计算实球中心的坐标和实球理想接触点的坐标。根据实际的理想接触点的坐标，得到计算系统获得的实球第二实际接触点的坐标。根据实球的第二实际接触点的坐标来计算探头尖端的半径。计算系统确定计算出的探针尖端的半径是否在允许范围内。

29. 发明授权

US08249392B2 Method for aligning point clouds 失效
标题翻译：对齐点云的方法
公开(公告)号：US08249392B2
公开(公告)日：2012-08-21
申请号：US12178645
申请日：2008-07-24
申请人： Chih-Kuang Chang , Xin-Yuan Wu , Min Wang
发明人： Chih-Kuang Chang , Xin-Yuan Wu , Min Wang
IPC分类号： G06K9/64 , G06T7/00
CPC分类号： G06K9/6211 , G06T7/30 , G06T2200/04 , G06T2207/10028
摘要： A method for aligning point clouds is disclosed. The method includes inputting point cloud data of a reference object and a to-be-measured object, and confirming an original position of point cloud of the to-be-measured object. The method further includes determining a virtual position of point cloud of the to-be-measured object at each iteration, determining a minimum distance between point cloud of the reference object and point cloud of the to-be-measured object, and determining coordinates of each point in point cloud of the to-be-measured object corresponding to the minimum distance. The method further includes moving each point in point cloud of the to-be-measured object.
摘要翻译：公开了一种用于对齐点云的方法。该方法包括输入参考对象和被测对象的点云数据，并确认被测对象的点云的原始位置。该方法还包括在每次迭代中确定被测量对象的点云的虚拟位置，确定参考对象的点云与待测物体的点云之间的最小距离，以及确定待测物体的坐标被测物体的点云中的每个点对应于最小距离。该方法还包括移动待测物体的点云中的每个点。

30. 发明授权

US08248408B2 Method for uniformizing surface normals of a three-dimensional model 失效
标题翻译：使三维模型的表面法线均匀化的方法
公开(公告)号：US08248408B2
公开(公告)日：2012-08-21
申请号：US12274356
申请日：2008-11-20
申请人： Chih-Kuang Chang , Xin-Yuan Wu , Min Wang
发明人： Chih-Kuang Chang , Xin-Yuan Wu , Min Wang
IPC分类号： G06T17/00 , G06T15/10 , G06T15/20 , G09G5/00
CPC分类号： G06T19/00
摘要： A method for uniformizing surface normals of a three-dimensional model is provided. The method uniformizes the surface normals to surfaces in the three-dimensional model by determining intersection surfaces of each of the surfaces, and determining surfaces whose surface normals are to be reversed according to the intersection surfaces of each of the surfaces. The method may make surface normals consistent.
摘要翻译：提供了一种使三维模型的表面法线均匀化的方法。该方法通过确定每个表面的交叉表面来确定三维模型中的表面的表面法线，并根据每个表面的交叉表面确定表面法线将被颠倒的表面。该方法可以使表面法线一致。

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