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Acquiring three-dimensional data fro...

Smith, Nicholas E.

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Acquiring three-dimensional data from small mammalian teeth: Laser scanning Eocene marsupials.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Acquiring three-dimensional data from small mammalian teeth: Laser scanning Eocene marsupials./
Author:	Smith, Nicholas E.
Description:	202 p.
Notes:	Adviser: Suzanne G. Strait.
Contained By:	Masters Abstracts International46-02.
Subject:	Paleontology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1447978
ISBN:	9780549189145

Acquiring three-dimensional data from small mammalian teeth: Laser scanning Eocene marsupials.
Smith, Nicholas E.

Acquiring three-dimensional data from small mammalian teeth: Laser scanning Eocene marsupials. - 202 p.

Adviser: Suzanne G. Strait.

Thesis (M.S.)--Marshall University, 2007.

Three-dimensional laser scanning is an effective method of digitization in paleontology, but has traditionally been restricted to larger specimens. The goal of this study was to develop a laser scanning technique applicable to small mammalian (< 5 mm) dentition. Modeling protocols were developed, and a morphometric error study showed the system highly accurate (percent error = 1D- 0.4%, 2D- 0.05%, 3D- 1.74%). Automation and standardization were accomplished by implementation of a multiscan platform and autosurfacing macro reducing modeling time by 60%. To highlight one morphometric application, 3D models (n=61) of three sympatric Eocene marsupials were digitized, and traditionally qualitative diagnostic characters were quantified and assessed. All but two of the 19 characters examined proved diagnostic (p < 0.05), and exploratory canonical discriminant analysis confirmed three distinct species. Incorporating type specimens revealed a familial overlap, therefore, this novel modeling technique can be employed in a full revision of early Eocene marsupials.

ISBN: 9780549189145Subjects--Topical Terms:

518862
Paleontology.

Acquiring three-dimensional data from small mammalian teeth: Laser scanning Eocene marsupials.
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020 $a 9780549189145
035 $a (UMI)AAI1447978
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040 $a UMI $c UMI
100 1 $a Smith, Nicholas E. $3 1271471
245 1 0 $a Acquiring three-dimensional data from small mammalian teeth: Laser scanning Eocene marsupials.
300 $a 202 p.
500 $a Adviser: Suzanne G. Strait.
500 $a Source: Masters Abstracts International, Volume: 46-02, page: 0894.
502 $a Thesis (M.S.)--Marshall University, 2007.
520 $a Three-dimensional laser scanning is an effective method of digitization in paleontology, but has traditionally been restricted to larger specimens. The goal of this study was to develop a laser scanning technique applicable to small mammalian (< 5 mm) dentition. Modeling protocols were developed, and a morphometric error study showed the system highly accurate (percent error = 1D- 0.4%, 2D- 0.05%, 3D- 1.74%). Automation and standardization were accomplished by implementation of a multiscan platform and autosurfacing macro reducing modeling time by 60%. To highlight one morphometric application, 3D models (n=61) of three sympatric Eocene marsupials were digitized, and traditionally qualitative diagnostic characters were quantified and assessed. All but two of the 19 characters examined proved diagnostic (p < 0.05), and exploratory canonical discriminant analysis confirmed three distinct species. Incorporating type specimens revealed a familial overlap, therefore, this novel modeling technique can be employed in a full revision of early Eocene marsupials.
590 $a School code: 0817.
650 4 $a Paleontology. $3 518862
690 $a 0418
710 2 $a Marshall University. $3 1026833
773 0 $t Masters Abstracts International $g 46-02.
790 $a 0817
790 1 0 $a Strait, Suzanne G., $e advisor
791 $a M.S.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1447978