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：US20100272346A1

公开(公告)日：2010-10-28

申请号：US12564730

申请日：2009-09-22

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： G06K9/00

CPC分类号： G01B11/24 ,  G06T7/60 ,  G06T17/00 ,  G06T2207/10028

摘要： A method for measuring form and position tolerances of an object receives a preselected feature element to be fitted from an image of a measured object, obtains a reference feature element from an image of a reference object corresponding to the measured object. The method further fits a feature element corresponding to the preselected feature element so as to obtain a fitted feature element, and calculates form and position tolerances between the fitted feature element and the reference feature element thereby generating the form and position tolerances of the measured object.

摘要翻译： 用于测量物体的形状和位置公差的方法从测量对象的图像接收要拟合的预选特征元素，从与测量对象相对应的参考对象的图像中获得参考特征元素。 该方法进一步适合于与预选特征元素相对应的特征元素，以获得拟合特征元素，并且计算拟合特征元素与参考特征元素之间的形状和位置公差，从而生成被测物体的形状和位置公差。

公开(公告)号：US20100063784A1

公开(公告)日：2010-03-11

申请号：US12436720

申请日：2009-05-06

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： G06F17/10

CPC分类号： G06T17/00

摘要： A system and method for fitting feature elements is provided. The method first receives a point-cloud of an object from a point-cloud obtaining device and constructs a triangular mesh surface of the point-cloud. The method then determines a plurality of uppermost boundary points of the triangular mesh surface, and fits a feature element according to the uppermost boundary points. The method further creates the feature element, and outputs the feature element to a display.

摘要翻译： 提供了一种用于拟合特征元素的系统和方法。 该方法首先从点云获取设备接收对象的点云，并构建点云的三角形网格表面。 然后，该方法确定三角形网格表面的多个最上边界点，并且根据最上边界点拟合特征元素。 该方法进一步创建特征元素，并将特征元素输出到显示器。

公开(公告)号：US20080043035A1

公开(公告)日：2008-02-21

申请号：US11615941

申请日：2006-12-23

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU

IPC分类号： G09G5/00

CPC分类号： G06T17/00 ,  G06K9/28

摘要： An exemplary method for filtering a point cloud is disclosed. The method includes the steps of: acquiring a point cloud from a point cloud obtaining device; identifying an outmost point on each of surface edges of the point cloud in a coordinate system; determining a cubical figure that confines the point cloud and intersects at surface points of the point cloud; deriving the length, the width and the height of the cubical figure; mapping a grid on the cubical figure of the point cloud and obtaining a plurality of grid squares; and processing points in each of the grid squares to retain a selected point having a smallest distance from a center of the grid square and delete redundant points in the grid square, thereby yielding a filtered point cloud. A related system is also disclosed.

摘要翻译： 公开了一种用于过滤点云的示例性方法。 该方法包括以下步骤：从点云获取装置获取点云; 识别坐标系中点云的每个表面边缘上的最外点; 确定限制点云并在点云的表面点相交的立方体数字; 得出立方体的长度，宽度和高度; 在点云的立方体图上绘制网格并获得多个网格正方形; 以及每个网格正方形中的处理点，以保持与网格平方的中心距离最小的选定点，并删除网格平方中的冗余点，从而产生过滤的点云。 还公开了相关系统。

公开(公告)号：US20130265324A1

公开(公告)日：2013-10-10

申请号：US13597285

申请日：2012-08-29

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  ZONG-TAO YANG

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  ZONG-TAO YANG

IPC分类号： G09G5/00

CPC分类号： G06F17/50 ,  G06F3/04845

摘要： A computing device displays an entire graphic of a measurement object on an interface displayed on a display device, and displays a tree object region on the interface, where the tree object region covers part of the entire graphic. The device redisplays the entire graphic of the measurement object by copying pixel information of the covered part from a memory of the computing device to the tree object region, creates a hierarchical tree object in the tree object region according to information of the measurement object, and stores a name of each node and coordinate information of a region occupied by each node's name into an array. When a cursor points to the tree object region, the device determines a node selected by the cursor by comparing coordinate information of the cursor with the coordinate information stored in the array.

摘要翻译： 计算设备在显示设备上显示的接口上显示测量对象的整个图形，并在该接口上显示一个树对象区域，其中树对象区域覆盖整个图形的一部分。 该装置通过将覆盖部分的像素信息从计算装置的存储器复制到树对象区域来重新显示测量对象的整个图形，根据测量对象的信息在树对象区域中创建分层树对象，以及 将每个节点的名称和每个节点名称占用的区域的坐标信息存储到数组中。 当光标指向树对象区域时，设备通过将光标的坐标信息与存储在阵列中的坐标信息进行比较来确定光标选择的节点。

公开(公告)号：US20130251195A1

公开(公告)日：2013-09-26

申请号：US13648266

申请日：2012-10-09

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  YI LIU

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  YI LIU

IPC分类号： G06K9/62

CPC分类号： G01B21/16 ,  G06T17/00 ,  G06T2210/56

摘要： A method obtains an original point-cloud of the object, filters discrete points from the original point-cloud, determines a first sub-point-cloud and a second sub-point-cloud from the filtered point-cloud, and creates an updated point-cloud of the object based on the first sub-point-cloud and the second sub-point-cloud, determines points to be fitted from the updated point-cloud. The method further fits a figure according to the determined points, determines a reference figure according to the fitted figure, determines a first point from the first sub-point-cloud and a second point from the second-point-cloud, calculates a gap width and a gap height of the updated point-cloud according to the first determined point, the second determined point, and the reference figure, and displays the gap width and the gap height on a display device.

摘要翻译： 一种方法获得对象的原始点云，从原始点云过滤离散点，从过滤点云确定第一个子点云和第二个子点云，并创建一个更新点 - 基于第一子点云和第二子点云的对象的云将确定要从更新的点云拟合的点。 该方法还根据确定的点进一步拟合图形，根据拟合图确定参考图，确定来自第一子点云的第一点和来自第二点云的第二点，计算间隙宽度 以及根据第一确定点，第二确定点和参考图形的更新的点云的间隙高度，并且在显示装置上显示间隙宽度和间隙高度。

公开(公告)号：US20130166255A1

公开(公告)日：2013-06-27

申请号：US13629652

申请日：2012-09-28

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  LU YANG

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  LU YANG

IPC分类号： G06F17/50

CPC分类号： G06T7/0006 ,  G06T2207/10028 ,  G06T2207/20101

摘要： In a method for extracting a feature element of a product from a design drawing of the product, a point and a curved surface related to the feature element are selected from the design drawing. The method calculates a minimum distance between the selected point and an outline of the selected curved surface, and identifies whether the selected curved surface or the outline is the feature element by comparing the minimum distance with a first preset value. The method further determines a measuring type of the feature element according to a point cloud of the feature element, and extracts sample points composed of the feature element according to the measuring type and attribute data of the feature element. The sample points are output on a display screen of the computing device.

摘要翻译： 在从产品的设计图提取产品的特征元素的方法中，从设计图中选择与特征元素相关的点和曲面。 该方法计算所选择的点与所选曲面的轮廓之间的最小距离，并且通过将最小距离与第一预设值进行比较来识别所选择的曲面或轮廓是否是特征元素。 该方法还根据特征元素的点云进一步确定特征元素的测量类型，并根据特征元素的测量类型和属性数据提取由特征元素组成的采样点。 采样点在计算设备的显示屏上输出。

公开(公告)号：US20130145382A1

公开(公告)日：2013-06-06

申请号：US13659959

申请日：2012-10-25

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  XIAO-LONG CHEN

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU ,  XIAO-LONG CHEN

IPC分类号： G06F9/46 ,  G06F17/30

CPC分类号： G06F9/44505 ,  G06F9/44521

摘要： A method for managing function modules using a computing device. The computing device loads the function modules according to a serial number corresponding to a filename and a directory path of each function module. The computing device obtains register commands from an interface of each function module and saves the register commands into a command library. The computing device searches for a register command in the command library when the register command is inputted by an input device connected to the computing device, and executes the searched register command of the function module.

摘要翻译： 一种使用计算设备管理功能模块的方法。 计算设备根据与每个功能模块的文件名和目录路径对应的序列号加载功能模块。 计算设备从每个功能模块的接口获取寄存器命令，并将寄存器命令保存到命令库中。 当连接到计算设备的输入设备输入寄存器命令时，计算设备在命令库中搜索寄存器命令，并且执行所搜索的功能模块的寄存器命令。

公开(公告)号：US20130108178A1

公开(公告)日：2013-05-02

申请号：US13659992

申请日：2012-10-25

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： G06K9/32

CPC分类号： G06T3/0075 ,  G06T7/33

摘要： In a method for aligning a part of a product (moving object) with a reference object, triangle data of the moving object is acquired, and feature elements of the moving object is fitted according to the triangle data. Feature elements of the reference object which match the feature elements of the moving object are determined, and the moving object is moved from a position of a center point of the feature elements of the moving object to a position of a center point of the matched feature elements of the reference object. A moving-and-rotating matrix of the moving object is obtained according to Quasi-Newton methods, and the moving object and the reference object are aligned by moving and rotating the moving object according to the moving-and-rotating matrix.

摘要翻译： 在将产品（运动物体）的一部分与参考物体对准的方法中，获取运动物体的三角形数据，并根据三角形数据拟合运动物体的特征元素。 确定与参考对象的特征元素匹配的特征元素，并且移动对象从移动物体的特征元素的中心点的位置移动到匹配特征的中心点的位置 参考对象的元素。 根据准牛顿法获得运动物体的移动和旋转矩阵，并且通过根据移动和旋转矩阵移动和旋转运动物体来对齐运动物体和参考对象。

公开(公告)号：US20120287128A1

公开(公告)日：2012-11-15

申请号：US13327780

申请日：2011-12-16

申请人： CHIH-KUANG CHANG ,  XIN-YUAN WU

发明人： CHIH-KUANG CHANG ,  XIN-YUAN WU

IPC分类号： G06T17/20

CPC分类号： G06T17/20

摘要： In a method for creating a mesh over a curved surface of an electronic model of an object using an electronic device, sampled points of a boundary line of the electronic model of the object are obtained. The method stores the sampled points of the boundary line in a linked list, obtains sampled points of the curved surface of the electronic model of the object, stores the sampled points of the curved surface in a first queue, and inserts each point stored in the linked list into the first queue. The method further divides a parameter plane of the curved surface into small boxes, determines intersection points of the vertical lines of the parameter plane and the boundary line, and generates triangles by connecting the intersection points, the sampled points of the boundary line, and the curved surface in each small box.

摘要翻译： 在使用电子设备在物体的电子模型的曲面上形成网格的方法中，获得对象的电子模型的边界线的采样点。 该方法将边界线的采样点存储在链接列表中，获得对象的电子模型的曲面的采样点，将曲面的采样点存储在第一队列中，并将存储在 链表列入第一个队列。 该方法进一步将曲面的参数平面划分为小框，确定参数平面垂直线与边界线的交点，并通过连接交点，边界线采样点和 每个小盒子中的曲面。