NDLI: Multiobjective optimization technique for treatment planning in HIFU

Content Provider	IEEE Xplore Digital Library
Author	Mun-Bo Shim Sung-Jin Kim
Copyright Year	2013
Description	Author affiliation: Samsung Adv. Inst. of Technol., Samsung Electron. Co., Ltd., Yongin, South Korea (Mun-Bo Shim; Sung-Jin Kim)
Abstract	In this study, a multiobjective optimization technique developed by the author is introduced to solve the scanning sequence (or switching) plan of multiple-focus patterns, satisfied with the objectives of uniform high dose to the block and fast ablation. In case of multiple focusing, the shape and scan time of the single block which is a fundamental factor for planning the positions of the blocks depends on the sequence plan. In the previous study, new HIFU transducer architecture with sparse array (some of total elements), which can generate multiple-focus patterns simultaneously was designed and evaluated. Planning the sequence of multiple-focus scan for the block is a time consuming and monotonous task, but requires at the same time expertise and precision. Furthermore, due to the complex characteristics of HIFU treatment, it is difficult to optimize manually. Besides, the objectives of uniform high dose to the block and fast ablation are invariably in conflict, often requiring compromises to be made between them when selecting the best sequence plan for a particular condition. The multiobjective optimization problem used as the objectives of uniform high dose to the block and fast ablation was formulated in term of the scanning sequence of multiple-focus patterns. Pareto-based continuous evolutionary algorithms for multiobjective optimization (MOPCEAs) developed by the author was used to solve the sequence planning. In multiobjective sequence planning, we produced diverse Pareto-optimal solutions, and the treatment planner could navigate through them intuitively.
Sponsorship	IEEE Ultrason., Ferroelectr., Freq. Control Society
Starting Page	922
Ending Page	925
File Size	781428
Page Count	4
File Format	PDF
ISSN	19485719
e-ISBN	9781467356862
DOI	10.1109/ULTSYM.2013.0237
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arrays Optimization Ultrasonic imaging Planning Transducers Mathematical model Acoustics Pareto-set High Intensity Focused Ultrasound (HIFU) Treatment planning Multiobjective optimization MOPCEAs
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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