Measurement processing device, method, and program

Patent metadata

Field	Value
Publication number	US-12277663-B2
Application number	US-202118007353-A
Country	US
Kind code	B2
Filing date	Jul 30, 2021
Priority date	Jul 31, 2020
Publication date	Apr 15, 2025
Grant date	Apr 15, 2025

Abstract

To accurately replace the position coordinate in a virtual space composed of three-dimensional data with latitude, longitude, and altitude information in a real space. The device for measurement processing images a real space by the camera unit; superimposes virtual space indicating the imaged real space by three-dimensional data on the imaged real space and displays the superimposed spaces; acquires a measurement point from a position-measuring device measuring a latitude, a longitude, and an altitude; images the position-measuring device, associates the position coordinate in the virtual space of the imaged position-measuring device with the position coordinate of the acquired measurement point in the real space; and transforms the coordinate of the three-dimensional data to the position coordinate in the real space by a predetermined transformation equation.

First claim

What is claimed is:

1. A device for measurement processing, comprising:
a camera unit imaging a real space;
an augmented reality display unit superimposing a virtual space over the imaged real space by three-dimensional data on the imaged real space and displays the superimposed virtual spaces;
a position coordinate acquisition unit acquires a measurement point from a position-measuring device measuring a latitude, a longitude, and an altitude; and
a coordinate transformation unit images the position-measuring device, associates position coordinates in the virtual space of the imaged position-measuring device with position coordinates of the acquired measurement point in the real space, and transforms coordinates of the three-dimensional data to the position coordinates in the real space by a predetermined transformation equation.

2. The device for measurement processing according to claim 1 , wherein a number of measurement points is more than one, and the transformation unit uses one of Helmert transformation and Procrustes analysis as the predetermined transformation equation.

3. The device for measurement processing according to claim 1 , wherein the position coordinates in the real space that are acquired by the position coordinate acquisition unit is a measurement value from a global navigation satellite system.

4. A method for measurement processing, comprising:
imaging a real space;
superimposing a virtual space over the imaged real space by three-dimensional data on the imaged real space and displaying the superimposed spaces;
acquiring a measurement point from a position-measuring device measuring a latitude, a longitude, and an altitude; and
imaging the position-measuring device, associating position coordinates in the virtual space of the imaged position-measuring device with position coordinates of the acquired measurement point in the real space, and transforming coordinates of the three-dimensional data to the position coordinates in the real space by a predetermined transformation equation.

5. A non-transitory computer readable medium having a program for measurement processing stored thereon which, when executed, causes a computer to execute the steps of:
imaging a real space;
superimposing virtual space over the imaged real space by three-dimensional data on the imaged real space and displaying the superimposed spaces;
acquiring a measurement point from a position-measuring device measuring a latitude, a longitude, and an altitude; and
imaging the position-measuring device, associating position coordinates in the virtual space of the imaged position-measuring device with position coordinates of the acquired measurement point in the real space, and transforming coordinates of the three-dimensional data to the position coordinates in the real space by a predetermined transformation equation.

Assignees

• Matsuo Construction Co Ltd
• Optim Corp

Inventors

• Matsuo Tetsugo
• Nishimoto Nobuya
• Takada Hiroki
• Sugaya Shunji
• NAGANUMA Syunsuke
• Murata Keisuke
• Sakata Yasuaki
• Okumura Yoshio
• Kubo Kenta

Classifications

• G06T2219/2016

  Rotation, translation, scaling · CPC title

• G06T19/006 Primary

  Mixed reality (object pose determination, tracking or camera calibration for mixed reality G06T7/00) · CPC title

• G06T15/20

  Perspective computation · CPC title

• G01B11/00

  Measuring arrangements characterised by the use of optical techniques · CPC title

• G06T19/20 Primary

  Editing of three-dimensional [3D] images, e.g. changing shapes or colours, aligning objects or positioning parts · CPC title