公开(公告)号：US20100061622A1

公开(公告)日：2010-03-11

申请号：US12338963

申请日：2008-12-18

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  SHAO-QIN XIE ,  MIN WANG ,  HUA HUANG

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  SHAO-QIN XIE ,  MIN WANG ,  HUA HUANG

IPC分类号： G06K9/32

CPC分类号： G06F17/50 ,  G06K9/32 ,  G06T7/33 ,  G06T2200/04 ,  G06T2207/10028

摘要： A computer implemented method for aligning objects receives a reference object and a to-be-moved object; determining feature elements of the reference object. A first coordinate system is constructed according to a plurality of feature elements of the reference object. A second coordinate system is constructed according to a plurality of feature elements of the to-be-moved object. A third coordinate system is constructed according to the first coordinate system and the second coordinate system. An operation matrix is computed according to the three coordinate systems. The two objects are aligned using the operation matrix.

摘要翻译： 用于对准对象的计算机实现的方法接收参考对象和待移动对象; 确定参考对象的特征元素。 根据参考对象的多个特征元素构建第一坐标系。 根据待移动物体的多个要素构成第二坐标系。 第三坐标系根据第一坐标系和第二坐标系构成。 根据三坐标系计算运算矩阵。 使用操作矩阵对两个对象进行对齐。

公开(公告)号：US20090160852A1

公开(公告)日：2009-06-25

申请号：US12233543

申请日：2008-09-18

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  MIN WANG ,  HUA HUANG ,  XIAO-CHAO SUN ,  Shao-Qin XIE ,  JIN-BO HU

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  MIN WANG ,  HUA HUANG ,  XIAO-CHAO SUN ,  Shao-Qin XIE ,  JIN-BO HU

IPC分类号： G06T15/00

CPC分类号： G06T7/0004 ,  G06T7/521

摘要： A system for measuring a three-dimensional object is provided. The system measures differences between a 3D model of an object and a point cloud of the object, and highlights the differences on the 3D model using different colors according to difference ranges that the differences fall.

摘要翻译： 提供了一种用于测量三维物体的系统。 该系统测量对象的3D模型和对象的点云之间的差异，并且根据差异落差的差异范围，突出显示使用不同颜色的3D模型上的差异。

公开(公告)号：US20090112511A1

公开(公告)日：2009-04-30

申请号：US12179590

申请日：2008-07-25

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  MIN WANG ,  HUA HUANG

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  MIN WANG ,  HUA HUANG

IPC分类号： G01B21/20

CPC分类号： G01B11/25

摘要： A computer-implemented method for measuring a selected portion of a curved surface of an object is disclosed. The method includes the blocks of displaying a straight-line across an object, stretching the straight-line to form a plane, determining intersection points between the plane and the curved surface of the object, determining a vertical point of each point-cloud around the straight-line on the curved surface, a corresponding vertical distance, and a corresponding normal vector, projecting the vertical points onto the plane vertically, determining measured points, up tolerance points, and down tolerance points for the point-clouds around the straight-line on the plane, connecting the corresponding points to lines, and determining if one or more the dimensions of a selected portion around the straight-line of the object is acceptable according to the connected lines.

摘要翻译： 公开了一种用于测量物体的曲面的选定部分的计算机实现的方法。 该方法包括跨越对象显示直线的块，拉伸直线以形成平面，确定平面与物体的曲面之间的交点，确定物体周围的每个点云的垂直点 曲线上的直线，相应的垂直距离和相应的法向量，垂直点垂直投影到平面上，为直线上的点云确定测量点，上限公差点和向下公差点 在平面上，将对应的点连接到线，并且根据所连接的线确定物体的直线周围的所选部分的尺寸中的一个或多个尺寸是否可接受。

公开(公告)号：US20100278418A1

公开(公告)日：2010-11-04

申请号：US12582819

申请日：2009-10-21

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  HUA HUANG

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  HUA HUANG

IPC分类号： G06T7/00

CPC分类号： G01B11/24 ,  G06T7/001 ,  G06T2207/30164

摘要： A method for measuring errors of workpieces by comparing a three-dimensional model and the workpieces manufactured according to the three-dimensional model is provided. The method converts a point cloud of each workpiece to a measured triangular mesh model, and aligns each measured triangular mesh model to the three-dimensional model. The method further compares each measured triangular mesh model with the three-dimensional model to check for differences between two model so as to obtain errors of each workpiece, and generates one or more analysis reports according to the errors of each workpiece.

摘要翻译： 提供了一种通过比较三维模型和根据三维模型制造的工件来测量工件的误差的方法。 该方法将每个工件的点云转换为测量的三角形网格模型，并将每个测量的三角形网格模型对齐到三维模型。 该方法进一步将每个测量的三角形网格模型与三维模型进行比较，以检查两个模型之间的差异，从而获得每个工件的误差，并根据每个工件的误差生成一个或多个分析报告。

公开(公告)号：US20100021068A1

公开(公告)日：2010-01-28

申请号：US12353259

申请日：2009-01-14

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  HUA HUANG

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  HUA HUANG

IPC分类号： G06K9/48

CPC分类号： G06T7/12 ,  G06T2207/10028 ,  G06T2207/30164

摘要： A computer-implemented method for extracting boundary elements of an object includes receiving measurement data of a point cloud of the object and a maximum edge length of a triangle to form a triangular mesh surface of the point cloud, constructing the triangular mesh surface, and extracting boundary points from the triangular mesh surface. The method further includes grouping the boundary points according to a vector relationship between one boundary point and each of the other boundary points, fitting each group of boundary points to an appropriate boundary characteristic. The appropriate boundary characteristic may be output to a storage system.

摘要翻译： 用于提取对象的边界元素的计算机实现的方法包括：接收对象的点云的测量数据和三角形的最大边缘长度，以形成点云的三角形网格表面，构造三角形网格表面，以及提取 三角形网格表面的边界点。 该方法还包括根据一个边界点和每个其他边界点之间的矢量关系对边界点进行分组，将每组边界点拟合到适当的边界特征。 可以将适当的边界特性输出到存储系统。

公开(公告)号：US20090063105A1

公开(公告)日：2009-03-05

申请号：US12056238

申请日：2008-03-26

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  HUA HUANG

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  HUA HUANG

IPC分类号： G06F17/50

CPC分类号： G06T7/001 ,  G06K9/6211 ,  G06T7/30 ,  G06T2207/10028 ,  G06T2207/30108

摘要： A method for computing minimum distances between two point clouds is provided. The method includes: (a) acquiring a first point cloud and a second point cloud; (b) establishing a topological structure for the second point cloud to make points of the second point cloud confined in a plurality of related cubical grids; (c) selecting a point from the first point cloud; (d) searching one or more cubical grids from the related cubical grids according to the topological structure and computing a distance between the selected point and each of points which belong to the second point cloud and in the searched cubical grids to obtain a closest point from the second point cloud, which has a shortest distance to the selected point; (e) repeating steps from (c) to (d) until all the points in the first point cloud have been selected. A related system is also provided.

摘要翻译： 提供了一种用于计算两点云之间最小距离的方法。 该方法包括：（a）获取第一点云和第二点云; （b）建立第二点云的拓扑结构，使得第二点云的点被限制在多个相关的立方体网格中; （c）从第一个点云选择一个点; （d）根据拓扑结构从相关立方网格中搜索一个或多个立方网格，并计算所选点与属于第二点云的每个点之间的距离以及所搜索的立方网格中的距离，以获得最接近的点 与选定点距离最短的第二点云; （e）重复从（c）到（d）的步骤，直到选择了第一个点云中的所有点。 还提供了相关系统。

公开(公告)号：US20120140405A1

公开(公告)日：2012-06-07

申请号：US13095868

申请日：2011-04-28

申请人： HUA HUANG ,  XIANG-KUN ZENG ,  ZHI-JIANG YAO ,  LI-FU XU

发明人： HUA HUANG ,  XIANG-KUN ZENG ,  ZHI-JIANG YAO ,  LI-FU XU

IPC分类号： G06F1/20 ,  F28F13/12

CPC分类号： G06F1/20

摘要： A heat dissipation system includes a computer case has a base plate and a back plate, a heat sink, a second heat source, and an air partition panel. The back plate defines a plurality of first air outlet holes aligned with the heat sink, and a plurality of second air outlet holes aligned with the second heat source. The heat sink is positioned on the base plate in contact with a first heat source. The second heat source is positioned on the base plate adjacent to the base plate. The air partition panel is positioned on the base plate between the motherboard and the second heat source. A first air path is defined between the air partition panel and the plurality of first air outlet holes. A second air path is defined between the air partition panel and the plurality of second air outlet holes.

摘要翻译： 散热系统包括具有基板和背板，散热器，第二热源和空气隔板的计算机外壳。 后板限定与散热器对准的多个第一空气出口孔和与第二热源对准的多个第二空气出口孔。 散热器位于与第一热源接触的基板上。 第二热源位于与基板相邻的基板上。 空气分隔板位于主板和第二热源之间的基板上。 在空气隔板和多个第一空气出口孔之间限定第一空气通道。 在空气隔板和多个第二空气出口孔之间限定第二空气路径。