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A Three-Dimensional Measurement Method with Multiple Measurement Modes

A measurement mode, 3D measurement technology, applied in measurement devices, complex mathematical operations, instruments, etc., can solve the problems of measurement results optimization without much help, data cannot be processed, integrated and optimized, etc., to achieve the effect of high-precision 3D measurement

Active Publication Date: 2019-03-08
SHINING 3D TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the scans of multiple modes are carried out independently, and the measured data cannot be processed, fused and optimized, which is equivalent to simply concentrating several scan modes on one device
In this case, using multiple scan modes does not help much in optimizing the measurement results

Method used

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  • A Three-Dimensional Measurement Method with Multiple Measurement Modes
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  • A Three-Dimensional Measurement Method with Multiple Measurement Modes

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Embodiment Construction

[0050] In order to further understand the present invention, the preferred embodiments of the present invention are described below in conjunction with examples, but it should be understood that these descriptions are only to further illustrate the features and advantages of the present invention, rather than limiting the claims of the present invention.

[0051] The invention provides a multi-measurement mode three-dimensional measurement method for processing three-dimensional data on the surface of an object, capable of real-time fusion of measurement data of multiple measurement modes, so as to realize high-detail and high-precision three-dimensional measurement.

[0052] The method is described in detail below by a preferred embodiment:

[0053] First, the method adopts a unified data structure to manage and express the data structure of the measurement data.

[0054] Specifically, for the measurement data obtained in the three measurement modes of sinusoidal fringe measu...

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Abstract

The invention relates to the field of 3 dimensional digital imaging and in particular to a 3 dimensional measuring method having multi-measuring modes. The method includes the following steps: S1. establishing a unified data structure model which is intended for uniformly representing measurement data acquired through the multi-measuring modes; S2. under each single measuring mode, using the uniform data structure to represent each point cloud obtained through measurement, and performing computing and pre-processing; S3. splicing the data acquired through the different measuring modes, aligning two point clouds at any position to a uniform coordinate system; S4. conducting hybrid global optimization on the spliced data to obtain the result of measurement. According to the invention, the 3 dimensional measuring method can achieve real-time fusion and optimization of the measured data under the multi-measuring modes, achieve 3 dimensional measurement with high precision and great details, and has wide applications.

Description

technical field [0001] The invention relates to the field of three-dimensional digital imaging, in particular to a three-dimensional measurement method with multiple measurement modes. Background technique [0002] The technology of non-contact three-dimensional measurement of the surface of objects has been widely used in many fields such as industry, medical treatment, art, and education. Applications in different fields have different technical requirements for 3D measurement. For example, the automobile industry requires high accuracy of 3D measurement data and clear data details; 3D measurement of human body requires fast acquisition of 3D data of human body, requires the measurement system to have a handheld function, and requires low precision; 3D measurement of large sculptures requires the measurement system to have Handheld function, at the same time, the data accuracy is high, and the data has certain details. [0003] None of the currently known 3D scanners and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/20G06F17/10
CPCG01B21/20G16Z99/00
Inventor 不公告发明人
Owner SHINING 3D TECH CO LTD
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