Search Results - "Lee, Woo Youl"
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Compounded direct pixel beamforming for medical ultrasound imaging
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-03-2012)“…In this paper, a new compounded direct pixel beamforming (CDPB) method is presented to remove blurring artifacts introduced by ultrasound scan conversion. In…”
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Journal Article -
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A notch shape optimization of IPMSM rotor surface for cogging torque reduction by PSO method with FEM
Published in 2013 International Conference on Electrical Machines and Systems (ICEMS) (01-10-2013)“…In this paper, an optimization techniques with FEM program is presented to minimize the torque ripple of the V-type IPMSM using notches on the rotor surface…”
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Conference Proceeding -
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Mean sound speed estimation with focusing quality evaluation for medical ultrasound imaging
Published in 2011 IEEE International Ultrasonics Symposium (01-10-2011)“…In ultrasound receive beamforming, a fixed sound speed (e.g., 1540 m/s) is assumed for calculating focusing time delays. However, due to the variations of…”
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Conference Proceeding
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Orthogonal Golay code based ultrasonic imaging without reducing frame rate
Published in 2002 IEEE Ultrasonics Symposium, 2002. Proceedings (2002)“…Orthogonal Golay codes feature perfect sidelobe cancellation properties, and are simple to implement because they have elements of +1 and -1 only. However, the…”
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Conference Proceeding -
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The s-Perron, sap-Perron and ap-McShane Integrals
Published in Czechoslovak mathematical journal (01-09-2004)Get full text
Journal Article -
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P2B-3 A New Motion Estimation and Compensation Method for Real-Time Ultrasonic Synthetic Aperture Imaging
Published in 2007 IEEE Ultrasonics Symposium Proceedings (01-10-2007)“…In synthetic aperture imaging (SAI), it is well known fact that focusing quality will be degraded without estimation and compensation of the target movement…”
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Conference Proceeding