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  1. No Access

    Article

    The Study on the Web-Based Clinical Database Management System of Oriental Pulse Waveform

    There are many database-oriented sites on the web, which provide basic medical knowledge, hospital information, and medical counseling. However, there are only a few oriental pulse databases on the web. In thi...

    Junyoung Lee, Jeonghoon Kim, Jeongwhan Lee, Seoncheol Hwang in Journal of Medical Systems (2001)

  2. No Access

    Article

    Design of Digital Hardware System for Pulse Signals

    In this study, we have developed the digital hardware system which performs signal processing necessary for the filtering to eliminate noises by inputting pulse wave signals from the sensor group. With a view ...

    Junyoung Lee, Jeonghoon Kim, Myoungho Lee in Journal of Medical Systems (2001)

  3. No Access

    Chapter and Conference Paper

    The comparison of conventional cardiac pacing with single phase, dual-phase, and tri-phase cardiac pacing wave forms in dogs

    The shape of the waveform for cardiac defibrillation has been studied in the past by many researchers. The results indicated that rather than a single phase waveform, a dual-phase wave form was more effective ...

    Youngmin Choo, Chungkeun Lee, Dae-hun Kang in World Congress on Medical Physics and Biom… (2007)

  4. No Access

    Chapter and Conference Paper

    Principal Point Discrimination of Electrocardiogram for Automatic Diagnosis

    Electrocardiogram provides critical information about the cardiovascular system. For diagnosis, medical doctors consider the duration, slope and peak amplitude between principal points of an electrocardiogram....

    H. S. Shin, C. Lee, Myoungho Lee in World Congress on Medical Physics and Biom… (2007)

  5. No Access

    Chapter and Conference Paper

    Development of System for measuring Nerve-Conduction Velocity

    As a method of observing regeneration of damaged nerves, research is being conducted on analyzing the electric signals of nerve fibers that regenerate damaged nerves by implanting a microelectrode array betwee...

    Chungkeun Lee, Hangsik Shin, Yongho Kim in World Congress on Medical Physics and Biom… (2007)

  6. No Access

    Chapter and Conference Paper

    Low complexity and power consumption design for pacemaker using shared MAC structure based on FPGA platform

    Most of the critical issues of cardiac pacemakers and ICDs are the device size and power consumption problem. Because devices size for cardiac implant is limited, we always have to consider trade-off relations...

    H. S. Shin, C. Lee, J. Kim, Myoungho Lee in World Congress on Medical Physics and Biom… (2007)

  7. No Access

    Chapter and Conference Paper

    A Development of Motion Artifacts Reduction Algorithm for ECG signal In Textile Wearable Sensor

    For ubiquitous healthcare system, it is very important to measure a bio-signal without any discomfort. The electro-conductive fabric can be a good application for biomedical sensor. However, it is difficult to...

    Sungwon Yoon, Seungpyo Lee, Yonghyeon Yun in World Congress on Medical Physics and Biom… (2007)

  8. No Access

    Chapter and Conference Paper

    A Flexible Microelectrode Array for Measurement and Evaluation of Peripheral Nerve Signal

    This paper reports design, fabrication and measurement results of a flexible microelectrode array for monitoring compound nerve action potential (CNAP) of a peripheral nerve. For building electrical nerve-sign...

    Yong-Ho Kim, Chungkeun Lee, Kang Min Ahn in World Congress on Medical Physics and Biom… (2007)

  9. No Access

    Chapter and Conference Paper

    A Study on a Non-contacting Respiration Signal Monitoring System Using Doppler Ultrasound

    We suggested non-contacting respiration signal monitoring system for sleep apnea syndrome. Experiments were conducted by emitting 40 KHz ultrasound beam with a tone burst mode at 1 KHz to the subject’s chest. ...

    Se Dong Min, Dae Joong Yoon, Sungwon Yoon in World Congress on Medical Physics and Biom… (2007)

  10. No Access

    Article

    A study on a non-contacting respiration signal monitoring system using Doppler ultrasound

    We proposed non-contacting respiration signal monitoring system for sleep apnea syndrome. Experiments were conducted by emitting 40 kHz ultrasound beam, which is set tone burst mode by 1 ms period to a subject...

    Se Dong Min, Dae Joong Yoon, Sung Won Yoon in Medical & Biological Engineering & Computi… (2007)

  11. No Access

    Article

    Adaptive Motion Artifacts Reduction Using 3-axis Accelerometer in E-textile ECG Measurement System

    The electro-conductive fabric (e-textile or e-fabric) as an electrode for ECG measurement is one of the best application for ubiquitous healthcare system. However, it is difficult to measure the bio-signal due...

    Sung Won Yoon, Se Dong Min, Yong Hyeon Yun, Seungpyo Lee in Journal of Medical Systems (2008)

  12. No Access

    Article

    Wavelet-based Multi-resolution Deformation for Medical Endoscopic Image Segmentation

    Image segmentation is an essential technique in image analysis. In spite of issues in contour initialization, boundary concavities and high-level computation, active contour models (snakes) are popular and suc...

    Sung Won Yoon, Chungkeun Lee, ** Kwon Kim, Myoungho Lee in Journal of Medical Systems (2008)

  13. No Access

    Chapter and Conference Paper

    Research of Ride Comfort for Tilting Train Simulator Using ECG

    The train transportation has a lot of advantages-energy efficiency is high, it is eco-friendly, safety is better than normal roads and it is possible for people to arrive on time. In these days, the valuation ...

    Youngbum Lee, Kwangsoo Shin, Yongsoo Song in 4th European Conference of the Internation… (2009)

  14. No Access

    Chapter and Conference Paper

    Ride Comfort Analysis using Physiological Parameters for e-Health Train

    When passengers ride in a car of a train, they feel the vibration, which partially defines their degree of comfort. The ISO standards based on existing passenger trains, the Wz evaluation method, UIC standards...

    Youngbum Lee, Kwangsoo Shin, Yongsoo Song in World Congress on Medical Physics and Biom… (2009)

  15. No Access

    Chapter and Conference Paper

    Study toward a Motion Sickness Assessment with Bio-signal indices On Korean Tilting Train eXpress

    To design a system free from motion sickness, it is required to grade the severity of motion sickness objectively, preferably with the score measured continuously without relating only on subjective judgments....

    YongSoo-Song, SeongHo-Han, MyoungHo-Lee in World Congress on Medical Physics and Biom… (2009)

  16. No Access

    Article

    Reusable Electrical Activity of the Heart Monitoring Patch for Mobile/Ubiquitous Healthcare

    In order to monitor electrical activity of the heart during daily life, we present an electrode of a medical instrument system which is able to measure the body surface potential difference by minimizing the e...

    Jeong-Whan Lee, Kang-Hwi Lee, Young-Jae Lee, Lee-Yon Hong in Journal of Medical Systems (2009)

  17. Article

    Open Access

    Classification of BMI control commands from rat's neural signals using extreme learning machine

    A recently developed machine learning algorithm referred to as Extreme Learning Machine (ELM) was used to classify machine control commands out of time series of spike trains of ensembles of CA1 hippocampus ne...

    Youngbum Lee, Hyunjoo Lee, **kwon Kim, Hyung-Cheul Shin in BioMedical Engineering OnLine (2009)

  18. Article

    Open Access

    Robust algorithm for arrhythmia classification in ECG using extreme learning machine

    Recently, extensive studies have been carried out on arrhythmia classification algorithms using artificial intelligence pattern recognition methods such as neural network. To improve practicality, many studies...

    **kwon Kim, Hang Sik Shin, Kwangsoo Shin, Myoungho Lee in BioMedical Engineering OnLine (2009)

  19. No Access

    Article

    Ideal Filtering Approach on DCT Domain for Biomedical Signals: Index Blocked DCT Filtering Method (IB-DCTFM)

    We proposed Index-Blocked Discrete Cosine Transform Filtering Method (IB-DCTFM) to design ideal frequency range filter on DCT domain for biomedical signal which frequently exposed to specific frequency noise s...

    Hang Sik Shin, Chungkeun Lee, Myoungho Lee in Journal of Medical Systems (2010)

  20. Article

    Open Access

    Optimum conductive fabric sensor sites for evaluating the status of knee joint movements using bio-impedance

    There have been many studies that utilize the bio-impedance measurement method to analyze the movements of the upper and lower limbs. A fixed electrical current flows into the limbs through four standard dispo...

    Byung Woo Lee, Chungkeun Lee, **kwon Kim, Myoungho Lee in BioMedical Engineering OnLine (2011)

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