[1] Xiang Linqing, Ma Peisun, Xu Jianbo, Gao Xueguan, et al. Positioning planning of high-intensity-focused ultrasoundsurgery platform using Bezier curve [J]. Journal of Southeast University (English Edition), 2004, 20 (3): 332-340. [doi:10.3969/j.issn.1003-7985.2004.03.014]

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Positioning planning of high-intensity-focused ultrasoundsurgery platform using Bezier curve()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

20

Issue:

2004 3

Page:

332-340

Research Field:

Automation

Publishing date:

2004-09-30

Info

Title:

Positioning planning of high-intensity-focused ultrasoundsurgery platform using Bezier curve

Author(s):

Xiang Linqing;  Ma Peisun;  Xu Jianbo;  Gao Xueguan

Institute of Robotics, Shanghai Jiaotong University, Shanghai 200030, China

Keywords:

positioning planning;  workspace;  key configuration;  high-intensity-focused ultrasound(HIFU);  Bezier curve;  continuity

PACS:

O327

DOI:

10.3969/j.issn.1003-7985.2004.03.014

Abstract:

A positioning volume ellipsoid method is proposed to represent tumor volume in the workspace of a high-intensity-focused ultrasound(HIFU)surgery platform during the platform’s positioning motion. To this simplified tumor model a nearest neighbor search method is used to determine intermediate configuration and goal configuration, which the treatment head and ultrasound focus must pass in their localization to target volume. Based on the decided configurations, the continuity condition of combined Bezier curve in Euclidean space and De Casteljau algorithm on Lie group SO(3)are integrated to construct a combined Bezier positioning path of C² continuity at junctional configuration, and an illustration of different positioning path planning is analyzed in detail based on a liver tumor case.

References:

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[9] Piegl Les, Tiller Wayne. The NURBS book[M]. Berlin, New York: Springer, 1997. 1-34.
[10] Hasegawa-Johnson Mark, Cha Jul Setsu, Haker Katherine. CTMRedit: a Matlab-based tool for segmenting and interpolating MRI and CT images in three orthogonal planes [A]. In: Proceedings of 1st Joint BMES/EMBS[C]. Atlanta, GA, USA, 1999. 1170.

Memo

Memo:

Biographies: Xiang Linqing(1974—), male, graduate; Ma Peisun(corresponding author), male, professor, psma@sjtu.edu.cn.

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