14 Result(s)
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Article
Myoungho Lee
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Article
Open AccessClinical observation using virtual reality for dental education on surgical tooth extraction: A comparative study
Clinical observation conducted during the 3rd and 4th years of dental school is an important part of dental students’ clinical education. However, conventional clinical observation is associated with several p...
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Open AccessComparison of sampling methods for the determination of volatile organic compounds in consumer aerosol sprays
Many studies have evaluated the hazardous substances contained in various household chemical products. However, for aerosol spray products there is currently no international standard sampling method for use i...
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Open AccessPerformance evaluation of a motor-imagery-based EEG-Brain computer interface using a combined cue with heterogeneous training data in BCI-Naive subjects
The subjects in EEG-Brain computer interface (BCI) system experience difficulties when attempting to obtain the consistent performance of the actual movement by motor imagery alone. It is necessary to find the...
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Open AccessAn arrhythmia classification algorithm using a dedicated wavelet adapted to different subjects
Numerous studies have been conducted regarding a heartbeat classification algorithm over the past several decades. However, many algorithms have also been studied to acquire robust performance, as biosignals h...
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Open AccessOptimum 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...
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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...
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Open AccessClassification 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...
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Open AccessRobust 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...
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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...
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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...
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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...
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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...
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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 ...
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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...
