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赵万华

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期刊论文

FEATURE EXTRACTION OF BONES AND SKIN BASED ON U LTTRASONIC SCANNING*

赵万华Zheng Shuxian Zhao Wanhua Lu Bingheng Zhao Zhao

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摘要/描述

In the prosthetic socket design, aimed at the high cost and radiation deficiency caused by CT scannming whichis a routinetechniqueto obtainthe cross-sectinaalimage ofthe residual limb, a new ultrasonic scalming method is developed to acquire the bones and skin contours of the residual limb Using a pig fore-leg as the scanning bject, an overlapping algorithm is designed to reconstruct the 2D cross-sectional image, the contours of the bone and skin are extracted using edge detection algorithm and the 3D model ofthe pig fore-leg is reconstructed by using reverse englneenng tech- nology. The results ofcheckingthe accuracy oftheimage by scanning a cylinderworkpieces show fhat the extracted contours ofthe cylinder ar。quite close to the standard circumference So it IS teasi-ble to get the contours of bones atld skin by ultxasonic scanning. The ultrasonic sCanllffig system featuring no radiation and tow COSt is a kind of new means of Cross section scanning for medical image.

【免责声明】以下全部内容由[赵万华]上传于[2006年10月27日 05时28分27秒],版权归原创者所有。本文仅代表作者本人观点,与本网站无关。本网站对文中陈述、观点判断保持中立,不对所包含内容的准确性、可靠性或完整性提供任何明示或暗示的保证。请读者仅作参考,并请自行承担全部责任。

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