A comparative approach to modelling of hard tissues

• Autorzy: Tolouei-Rad M.
• Języki publikacji: EN

Abstrakty

EN

Purpose: Investigating the capabilities of commercial CAD/CAM systems in producing 3D models of body bones from 2D medical images and application of resulting models in rapid manufacturing of customized implants. Design/methodology/approach: Geometrical information of 2D medical images extracted via an image processing and filtering mechanism, and converted into 3D models by Commercial CAD software systems. After applying a median filter to improve the quality of 2D images, they are segmented and bone edges are detected with histogram threshold method. With the aid of an Auto LISP program, detected edges are transferred to AutoCAD as a series of points. Splines are drawn over the points and redundant points deleted. Then by transferring resulted splines into the modeler, 3D models are constructed. Different implant manufacturing methods have been studied and rapid manufacturing methods have been recognized to be suitable for customized implant fabrication. Findings: A number of CAD software packages proved to be capable of producing 3D models using generated information, however, human intervention is needed for all systems tested. Different systems tested exhibited strenthnesses and weaknesses. Research limitations/implications: Automatic generation of 3D models of body bones from 2D images is desirable. Also development of an intelligent system for manufacturing of customized implants is highly desirable. Originality/value: Method of extracting geometric data from medical images and presenting this data in a format suitable for commercial CAD systems for making 3D models is of high value. Also the performance comparison of various CAD systems is very important.

Słowa kluczowe

EN

implants; modelling; CAD/CAM

PL

implanty; modelowanie; CAD/CAM

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2010
• Tom: Vol. 42, nr 2
• Strony: 119--125
• Opis fizyczny: Bibliogr. 17 poz.

Twórcy

autor

Tolouei-Rad M.

• School of Engineering, Edith Cowan University, Joondalup WA 6027, Australia,

Bibliografia

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