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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.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Acquiring three-dimensional data from small mammalian teeth: Laser scanning Eocene marsupials./
作者:	Smith, Nicholas E.
面頁冊數:	202 p.
附註:	Adviser: Suzanne G. Strait.
Contained By:	Masters Abstracts International46-02.
標題:	Paleontology. -
電子資源:	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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