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20026056 |
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Quantitative assessment of human body shape using Fourier analysis |
| Authors |
Friess-M; Rohlf-FJ; Hsaio-H |
| Source |
IS&T/SPIE's 16th Annual Symposium, Electronic Imaging, Science and Technology, January 18-22, 2004, San Jose, CA, 2004 Jan; 5302:117-124 |
| Link |
http://spie.org/x1379.xml |
| NIOSHTIC No. |
20026056 |
| Abstract | Fall protection harnesses are commonly used to reduce the number and severity of injuries. Increasing the efficiency of harness design requires the size and shape variation of the user population to be assessed as detailed and as accurately as possible(3). In light of the unsatisfactory performance of traditional anthropometry with respect to such assessments(7), we propose the use of 3D laser surface scans of whole bodies and the statistical analysis of elliptic Fourier coefficients. Ninety-eight male and female adults were scanned. Key features of each torso were extracted as a 3D curve along front, back and the thighs. A 3D extension of Elliptic Fourier analysis(4) was used to quantify their shape through multivariate statistics. Shape change as a function of size (allometry) was predicted by regressing the coefficients onto stature, weight and hip circumference. Upper and lower limits of torso shape variation were determined and can be used to redefine the design of the harness that will fit most individual body shapes. Observed allometric changes are used for adjustments to the harness shape in each size. Finally, the estimated outline data were used as templates for a free-form deformation of the complete torso surface using NURBS models (non-uniform rational B-splines). | | Keywords | Quantitative-analysis; Injuries; Injury-prevention; Safety-measures; Anthropometry; Models; Humans; Safety-monitoring; Safety-research | | Publication Date | 20040118 | | Document Type | Conference/Symposia Proceedings | | Email Address | mfriess@anthrotech.net | | Editors | Corner-BD; Li-P; Pargas-RP | | Funding Type | Construction | | Fiscal Year | 2004 | | NTIS Accession No. | | | NTIS Price | | | ISSN | 0277-786X | | NIOSH Division | DSR | | Priority Area | Disease and Injury: Traumatic Injuries | | Source Name | IS&T/SPIE's 16th Annual Symposium, Electronic Imaging, Science and Technology | | State | WV; OH; NY |
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