Method for automatically measuring human body dimensions on basis of three-dimensional point cloud data

A technology of point cloud data and three-dimensional point cloud, which is applied in the field of human body measurement, can solve the problems of measured value error and achieve good repeatability, fast and accurate measurement

Inactive Publication Date: 2011-09-14
TIANJIN UNIV
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Problems solved by technology

Donghua University, Chinese Academy of Sciences, Chongqing University, Zhejiang University, etc. have carried out different researches on the algorithm of finding human

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  • Method for automatically measuring human body dimensions on basis of three-dimensional point cloud data
  • Method for automatically measuring human body dimensions on basis of three-dimensional point cloud data
  • Method for automatically measuring human body dimensions on basis of three-dimensional point cloud data

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[0041] Such as figure 1 As shown, the three-dimensional human body size non-contact measurement system (see ZL 200510013085.8 and ZL 200810054313.X) used in the present invention mainly includes: measurement platform, mechanical device, point cloud data acquisition device, motion control device and point cloud Data processing device.

[0042] Now describe the measurement steps and the requirements of each step:

[0043] When measuring the body size, a dynamic calibration target is required to calibrate the measurement system. For the same measurement system, the camera calibration only needs to be done once, without repeated work.

[0044] (1) The measured human body stands on the measuring platform in a standard standing posture, keeping the posture still;

[0045] Measurement requirements: The measurement system is to receive the laser scattered light on the surface of the object to be measured for measurement. The measurement environment is required to be a dark room as much as po...

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Abstract

The invention relates to a method for automatically measuring human body dimensions on the basis of three-dimensional point cloud data. According to three-dimensional human body point cloud data acquired by a laser three-dimensional color human body scanner developed on the basis of independent innovation, the original three-dimensional point cloud data is denoised and the like; and then human body dimensions, which are required by costume design, model measurement and the like and comprise height, body measurements and curve length, are acquired by automatically fetching human body characteristic points and characteristic sections. A measuring system adopted by the invention acquires three-dimensional human body outline data, which can reflect the body form of the human body best, by directly scanning the human body; joint points and outline convex points of the human body can be automatically fetched by a maximum and minimum measurement method and a most convex and concave point method; and characteristics and dimensions of the human body longitudinal sections and cross sections can be directly acquired. The method is convenient in operation, high in speed, high in measuring precision, high in repeatability and suitable for human body measurement on a large scale.

Description

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Claims

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Application Information

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Owner TIANJIN UNIV
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