# US 12,597,204 B2 · Model generating device, model generating system, model generating method, and program > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,597,204 B2 - Document ID: US12597204B2 - Status: Granted - Kind: B2 - Application number: 18/685,611 - Filed: 2023-02-02 - Published: 2025-04-24 - Granted: 2026-04-07 - Earliest claimed: 2022-04-12 - Assignees: Mitsubishi Heavy Industries, Ltd. - Applicants: Mitsubishi Heavy Industries, Ltd. - Inventors: Shunsuke Mizumi; Soichiro Tabata; Koji Ishibashi; Tadashi Takahashi - Web page: https://patentgrep.com/patent/US12597204B2 ## CPC - G06T 7/60: Analysis of geometric attributes - G06T 17/10: Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes - G01B 11/00: Measuring arrangements characterised by the use of optical techniques - G01B 21/20: for measuring contours or curvatures, e.g. determining profile - G06F 30/10: Geometric CAD - G06F 30/12: characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD - G06T 17/00: Three-dimensional [3D] modelling for computer graphics - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL - G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract Provided is a device that generates a three-dimensional model in a short amount of time. A model generating device according to the present invention comprises: an acquisition unit that acquires measurement data of a three-dimensional form of an object; a simple three-dimensional model generating unit that generates a three-dimensional model on the basis of the measurement data; a dimensions measurement unit that measures dimensions or position information of a predetermined portion of the object on the basis of the three-dimensional model; and a model generating unit that sets the dimensions or position information that is measured to a template of a parametric three-dimensional model of the object and generates a parametric three-dimensional model of the object. ## Claims ### Claim 1 A model generating device comprising: at least one processor with a memory comprising instructions that, when executed by the at least one processor, cause the at least one processor to implement: an acquisition unit that acquires measurement data of a three-dimensional shape of an object; a simple three-dimensional model generating unit that generates a first three-dimensional model of the object for measuring dimensions or position information to set to a template of a parametric three-dimensional model of the object based on the measurement data; a dimension measurement unit that measures dimensions or position information of a predetermined portion included in setting items of the template in the first three-dimensional model; and a model generating unit that generates the parametric three-dimensional model of the object by setting the measured dimensions or the measured position information to the setting items of the template corresponding to the predetermined portion. ### Claim 2 (depends on 1) The model generating device according to claim 1, wherein the dimension measurement unit measures the dimensions of the predetermined portion multiple times by shifting a measurement position, and calculates the dimensions of the predetermined portion by calculating an average value based on a measurement result. ### Claim 3 (depends on 1) The model generating device according to claim 1, wherein the dimension measurement unit approximates the predetermined portion with any one figure of a triangle, a circle, an arc, an ellipse, a rectangular plane, a polygon, a rectangular parallelepiped, a polyhedron, a cylinder, a sphere, or a straight line, and measures the dimensions of the predetermined portion based on the figure used for approximation. ### Claim 4 (depends on 1) The model generating device according to claim 1, wherein the measurement data is an image obtained by capturing the object, and the simple three-dimensional model generating unit generates the first three-dimensional model via a photogrammetry method based on the image. ### Claim 5 (depends on 1) The model generating device according to claim 1, wherein the measurement data is three-dimensional position information indicating a shape of the object, and the simple three-dimensional model generating unit generates the first three-dimensional model based on the three-dimensional position information. ### Claim 6 (depends on 1) The model generating device according to claim 1, wherein the first three-dimensional model of the object has lower accuracy than that of the parametric three-dimensional model of the object. ### Claim 7 (depends on 6) The model generating device according to claim 6, wherein the first three-dimensional model of the object is a set of pieces of coordinate data of a surface of the object, or a standard triangulated language (STL) polygon data. ### Claim 8 (depends on 1) A model generating system comprising: a measurement device that measures the three-dimensional shape of the object; and the model generating device according to claim 1. ### Claim 9 (depends on 8) The model generating system according to claim 8, wherein the object has the three-dimensional shape including a space therein, and the measurement data is measured by mounting the measurement device on a moving body and moving the moving body in the space. ### Claim 10 (depends on 8) The model generating system according to claim 8, wherein the object has the three-dimensional shape including a space therein, and the measurement data is measured by mounting the measurement device on a predetermined member and inserting the member into the space. ### Claim 11 A model generating method comprising: a step of acquiring measurement data of a three-dimensional shape of an object; a step of generating a first three-dimensional model of the object for measuring dimensions or position information to set to a template of a parametric three-dimensional model of the object based on the measurement data; a step of measuring dimensions or position information of a predetermined portion included in setting items of the template in the first three-dimensional model; and a step of generating the parametric three-dimensional model of the object by setting the measured dimensions or the measured position information to the setting items of the template corresponding to the predetermined portion. ### Claim 12 A non-transitory computer readable recording medium storing a program causing a computer to execute a process comprising: a step of acquiring measurement data of a three-dimensional shape of an object; a step of generating a first three-dimensional model of the object for measuring dimensions or position information to set to a template of a parametric three-dimensional model of the object based on the measurement data; a step of measuring dimensions or position information of a predetermined portion included in setting items of the template in the first three-dimensional model; and a step of generating the parametric three-dimensional model of the object by setting the measured dimensions or the measured position information to the setting items of the template corresponding to the predetermined portion.