中国儿童坐姿三维几何人体模型数据库的研发
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摘要
基于微软的Kinect扫描设备和相应算法软件,建立了一个中国儿童人体坐姿的三维几何数据库。该数据库使用第二代微软的Kinect所搭载的坐姿扫描实验平台,采集各种特征(年龄在6～12岁之间的各百分位)的89个儿童志愿者的坐姿模型;对这些所得模型,使用C++编写的人体模型处理程序,进行光顺、去噪等算法处理;使用Microsoft Access 2016软件,对于所得的二维及三维数据,整合处理。对这些儿童志愿者的扫描结果表明:该人体模型的长度平均误差为6.6 mm,精度较高,可信度较高。因此,可用于儿童座椅等中国产品的研究、设计和开发的数据基础。
A three-dimensional geometric database was established for Chinese child body shape in seated posture based on Microsoft's Kinect scanning device and other algorithms. The database used a sitting scanning experimental platform of the second generation of Microsoft's Kinect to collect various characteristics with different percentiles of sitting posture models from 89 children volunteers at the ages of 6～12. A human body model processing program written in C++ was used for the acquired models to perform some processes such as smoothing and de-noising. The obtained two-dimensional and three-dimensional data were integrated and processed by using software Microsoft Access 2016. The results scanned from children volunteers show that the length average error of the human body model is 6.6 mm with high precision and high credibility.Therefore, the three-dimensional geometric database can be used as a data foundation of research, design and development of Chinese products such as child seats.
A three-dimensional geometric database was established for Chinese child body shape in seated posture based on Microsoft's Kinect scanning device and other algorithms. The database used a sitting scanning experimental platform of the second generation of Microsoft's Kinect to collect various characteristics with different percentiles of sitting posture models from 89 children volunteers at the ages of 6～12. A human body model processing program written in C++ was used for the acquired models to perform some processes such as smoothing and de-noising. The obtained two-dimensional and three-dimensional data were integrated and processed by using software Microsoft Access 2016. The results scanned from children volunteers show that the length average error of the human body model is 6.6 mm with high precision and high credibility.Therefore, the three-dimensional geometric database can be used as a data foundation of research, design and development of Chinese products such as child seats.
引文
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[3]Robinette K M,Daanen H,Paquet E.The CAESARproject:A 3-D surface anthropometry survey[C]//3-DDigi Imag Modeli Proc,2nd Int’l Conf,1999:380-386.
[4]Reed M P,Parkinson M B.Modeling variability in torso shape for chair and seat design[C]//ASME 2008 Int’l Desi Engi Tech Conf and Compu Info Engi Conf,Ame Soc Mech Engi.2008-08-03-06,Brooklyn,New York,USA:561-569.
[5]Reed M P,Ebert-Hamilton S M,Manary M A,et al.Anew database of child anthropometry and seated posture for automotive safety applications[R].SAE Tech Paper,2005-01-1837.
[6]Park B K D,Ebert S,Reed M P.A parametric model of child body shape in seated postures[J].Traffic Injury Prevention,2017,18:5,533-536.
[7]Anguelov D,Srinivasan P,Koller D,et al.Scape:Shape completion and animation of people[J].ACM(Asso Computing Mach)Trans Graphics,2005,24(3):408-416.
[8]Lachat E,Macher H,Mittet M A,et al,First experiences with Kinect V2 sensor for close range 3D modelling[J].Int‘l Arch Photogra,Remote Sens Spat Info Sci(ISPRS)2015,XL-5/W4:93-100.
[9]Newcombe R A,Izadi S,Hilliges O,et al.Kinectfusion:Real-time dense surface mapping and tracking[C]//Mixed and Augmented Reality,2011 10th IEEE Int’l Symp(ISMAR),2011-08-26-29,127-136.
[10]朱德海.点云库PCL学习教程[M].北京:北京航天航空大学出版社,2012:171-193.ZHU Dehai.Learning Tutorial Point Cloud Library PCL[M].Beijing:Beijing University of Aeronautics and Astronautics Press,2012:171-193.(in Chinese)
[11]Paris S,Kornprobst P,Tumblin J,et al.Bilateral filtering:Theory and applications[J].Founda Trends Compu Graphics and Vision,2009,4(1):1-73.
[12]首都儿科研究所.九市儿童体格发育调查协作组.中国七岁以下儿童体重、身长/身高和头围的生长标准值及标准化生长曲线[J].中华儿科杂志,2009,47:173-178.Capital institute of pediatrics.9 city children's physical development survey cooperative group.Growth standardized values and curves based on weight,length/height and head circumference for Chinese children under7 years of age[J].Chin J Pediatrics,2009,47:173-178.(in Chinese)
[13]中国学生体质健康调研组.2005年中国学生体质与健康调研报告[M].北京:高等教育出版社,2007:7-52.Chinese Students Physical Health Research Group.Report on the Physical Fitness and Health Surveillance of Chinese School Students in 2005[M].Beijing:Higher Education Press,2007:7-52.(in Chinese)
[14]张艺宏,孙君志,李宁.我国1943-2014年儿童少年身高体重生长变化分析[J].中国学校卫生,2016(10):1578-1581.ZHANG Yihong,SUN Junzhi,LI Ning.Analysis on the changes of height and weight of children and adolescents in China from 1943 to 2014[J].Chin J School Health,2016(10):1578-1581.(in Chinese)