H. D. Park

Yonsei University

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Hyun-Ho Kwak

Pusan National University

Hyung Jun Kim

University of Michigan–Ann Arbor

Kwan‐Hyun Youn

Incheon Catholic University

Robert J. Williams

Yale University

U. B. Bhat

Topiwala National Medical College & BYL Nair Charitable Hospital

P. Bordei

Constanta Maritime University

Nihal Apaydın

Ankara University

Vassilios Hurmusiadis

Epicardio (United Kingdom)

R. Pirrello

J. Leborgne

Laboratoire de Thermique et Energie de Nantes

Cooperative Institutions

University of Palermo

Yonsei University

Hacettepe University

Ankara University

University of Padua

University of Lisbon

Laboratoire de Thermique et Energie de Nantes

Charles University

Universidad de Murcia

Centro de Cirugía de Mínima Invasión Jesús Usón

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Topographic anatomy of the inferior wall of the maxillary sinus in Koreans

International Journal of Oral and Maxillofacial Surgery (2004)

Hyun-Ho Kwak H. D. Park H.R Yoon Min Kyu Kang Ki‐Seok Koh

Apex (geometry)

Premolar

Sinus (botany)

10.1016/j.ijom.2003.10.012

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Citations (174)

Platform session

Surgical and Radiologic Anatomy (2005)

G. Feigl W. Rosmarin B. Weninger Robert Likar P. V. Hoogland

10.1007/bf03371475

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Citations (1)

Development of Mobile Monitoring System for Emergency Situation

Springer eBooks (2007)

Mi Song H. D. Park Hyoun-Seok Myoung Kyoung-Joung Lee

Laptop

Biosignal

SIGNAL (programming language)

10.1007/978-3-540-36841-0_1033

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Citations (0)

Topographic anatomy of the deep temporal nerves, with references to the superior head of lateral pterygoid

Surgical and Radiologic Anatomy (2003)

Hyun-Ho Kwak Sung-Jea Ko Han‐Sung Jung H. D. Park In Hyuk Chung

Infratemporal fossa

Trigeminal Nerve

Mandibular nerve

Lateral pterygoid muscle

10.1007/s00276-003-0171-5

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Citations (23)

A method for generating MRI cardiac and respiratory gating pulse simultaneously based on adaptive real-time digital filters

Computing in Cardiology Conference (2006)

H. D. Park Shinyoung Cho K. J. Lee

In magnetic resonance imaging (MRI), imaging a moving organ such as the heart requires a trigger so that successive scans can be synchronized. In the case of cardiac and respiratory imaging, the QRS complex of ECG is used as a trigger signal for MRI scan. But, gradient and radio frequency (RF) artifacts which are caused to static and dynamic field in MRI scanner cause interference in the ECG. Also, the signal shape of theses artifacts can be similar to the QRS-complex, causing possible misinterpretation during patient monitoring and false gating of the MRI. In case of using general FIR or IIR band-pass filters for minimizing the artifacts, artifact- reduction-ratio is not excellent. So, an adaptive real-time digital filter is proposed for reduction of noise by gradient and RF artifacts. The proposed filter for MRI- cardiac and respiratory gating is based on the noise- canceller with normalized least mean square (NLMS) algorithm. The reference signals of the adaptive noise canceller are a combination of the noisy three channel ECG signals. In conclusions, the proposed method showed the acceptable quality of ECG and respiration with sufficient SNR for gating the MRI and possibility of real time implementation.

Artifact (error)

SIGNAL (programming language)

Source

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Citations (4)

Topography of the outer mandibular symphyseal region with reference to the autogenous bone graft

International Journal of Oral and Maxillofacial Surgery (2004)

H. D. Park Cheon-Ki Min Hyun-Ho Kwak Kwan‐Hyun Youn Seong‐Ho Choi

Mandibular symphysis

Mandible (arthropod mouthpart)

Mandibular ramus

10.1016/j.ijom.2004.02.006

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Citations (28)