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Proceedings Paper

An improvement algorithm to reduce side lobe level in ultrasound phased array applicators which used in treatment tumor in human model
Author(s): Mazhar B. Taiel; Nour H. Ismail; Ashraf T. Ibrahim
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Paper Abstract

In this paper an improved particle swarm optimization algorithm (IPSO) for ultrasound applications is proposed. In order to overcome the drawbacks of standard PSO, some improved mechanisms for velocity updating, the exceeding boundary control, global best perturbation and the simplified quadratic interpolation (SQI) operator are adopted. To show the effectiveness of the proposed algorithm, a selected set of numerical example, concerned with linear as well as planar array, is presented. Simulation results show that the refined pinpointing search ability and the global search ability of the proposed algorithm are significantly improved when compared to the particle swarm optimization (PSO) and Genetic Algorithm (GA).

Paper Details

Date Published: 23 February 2009
PDF: 9 pages
Proc. SPIE 7161, Photonic Therapeutics and Diagnostics V, 71612V (23 February 2009); doi: 10.1117/12.807864

Published in SPIE Proceedings Vol. 7161:
Photonic Therapeutics and Diagnostics V
Brian Jet-Fei Wong; Justus F. R. Ilgner; Nikiforos Kollias; Bernard Choi; Haishan Zeng; Reza S. Malek; Kenton W. Gregory; Guillermo J. Tearney; Laura Marcu; Henry Hirschberg; Steen J. Madsen, Editor(s)

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