Xin-Yuan Wu

Bio: Xin-Yuan Wu is an academic researcher from Foxconn. The author has contributed to research in topics: Point cloud & Point (geometry). The author has an hindex of 11, co-authored 165 publications receiving 580 citations.

Point cloud measuring system and method

Abstract: A point cloud measuring system includes client computers (1), an application server (2) and a database (3). The client computers communicate with the application server, and enable uses to perform needed operations. The database stores data generated and used by the system. The application server includes: a point cloud fitting module (200) for fitting selected point clouds into an object; a coordinate system creating module (201) for creating a coordinate system; a measurement object creating module (202) for creating a measurement object according to particular objects selected by the user; a measuring module (203) for measuring the measurement object in the coordinate system; and a measurement data outputting module (204) for outputting measurement data on the measurement object, and determining whether the measurement data meet with design requirements by comparing the measurement data with corresponding design dimensions of the measurement object. A related method is also disclosed.

Programming system for a coordinate measuring machine and method thereof

Abstract: A programming method of a coordinate measuring machine (CMM) constructs a polygonal mesh model for a manufactured part according to a point cloud of the manufactured part. Basic measurement elements, relational measurement elements, a part coordinate system, and a collision-free inspection path are obtained according to the polygonal mesh model, so as to generate a measurement program of the CMM.

System and method for filtering a point cloud

Abstract: 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.

Method for meshing a curved surface

Abstract: A curved surface meshing method is provided. The method meshes a three-dimensional curved surface by meshing a parameter plane, mapping triangles generated on the parameter plane to triangles in a three-dimensional space to get a 3D meshed curved surface. The method may generate substantially well-proportional distributed triangles on curved surfaces of three-dimensional models of objects.

System and method for measuring a three-dimensional object

Abstract: 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.

System and Method for Search

Abstract: A method for associating graphical information and text information includes providing the graphical information, the graphical information comprising at least one identifier in the graphical information for identifying at least one portion of the graphical information. The method further includes providing the text information and associating the portion with the text information through a commonality between the identifier and the text information.

System for monitoring the condition of packages throughout transit

Abstract: Systems and methods are provided for monitoring the condition of packages at various checkpoints when the packages are being shipped A package status monitoring system, according to one implementation, comprises a plurality of package analyzers, a package status server, and a database The package analyzers are configured to analyze the condition of a package at multiple locations as the package is transported from a starting location to a final destination Each package analyzer is configured to produce package status information regarding the condition of the package The package status server is configured to receive the package status information from the multiple locations through a communications network The database is configured to store the package status information received by the package status server The package status server enables a remote user device to access the package status information

Measuring system for determining 3d coordinates of an object surface

Abstract: A measuring system (10) according to the invention for determining 3D coordinates, in particular a multiplicity of 3D coordinates, of measurement points on an object surface, in particular on an industrial product, in an outer object coordinate system has a scanning apparatus (21) for measuring, in particular on a point-by-point basis, the measurement points on the object surface and for determining inner measurement point coordinates in an inner scanning coordinate system. Furthermore, a referencing arrangement (30) for producing referencing information, in particular an outer measurement position and measurement orientation of the scanning apparatus (21), for referencing the inner measurement point coordinates in the outer object coordinate system and an evaluation unit (34) for determining the 3D coordinates of the measurement points in the outer object coordinate system on the basis of the inner measurement point coordinates and the referencing information are provided, such that the inner measurement point coordinates are in the form of 3D coordinates in the outer object coordinate system, in particular in the form of a point cloud. The scanning apparatus (21) is in this case carried in an unmanned, controllable, automotive air vehicle (20), in particular wherein the air vehicle (20) is designed such that the air vehicle (20) can be oriented and moved in a hovering manner.

Metering resource usage in a cloud computing environment

Abstract: An approach that provides assigning and tracking inter-Cloud operational transactions within a Cloud computing environment in order to meter Cloud resource usage when processing a Cloud service request. In one embodiment, there is a Cloud usage and accounting tool, including a route management component configured to define and manage the physical implementation of delineation points between Clouds. The Cloud usage and accounting tool further includes a workflow control component configured to track inter-Cloud operational transactions as they pass through the delineation points.

Crime monitoring method based on face recognition technology and behavior and sound recognition

Abstract: The invention provides a crime monitoring method based on the face recognition technology and behavior and sound recognition, which includes the following steps: Step 1, recoding a video through a camera, reducing dimensions of the video to form a picture message ensemble; Step 2, performing the recognition comparison to the picture message ensemble as per an intelligent behavior pattern, and issuing an early warning and storing the video if the comparison is successful; and Step 3, verifying the crime situation by a police on duty, confirming the position of the camera through a GPS for positioning and tracking and confirming the police strength nearby, and sending crime situation to polices nearby by the police on duty, and if no police is on duty, confirming the position of the camera automatically through the GPS for positioning and tracking and confirming the police strength nearby, and sending crime situation to polices nearby and staff on duty. According to the invention, different intelligent behavior patterns are set as per the monitoring requirements of different situations, targeted monitoring is introduced, early warning prevention in advance is realized, the case is prevented from further worsening, the time in solving a criminal case is shortened, and the detection rate is improved.