- An Automated Measurement of Ciliary Beating Frequency using a Combined Optical Flow and Peak Detection
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Kim W, Han TH, Kim HJ, Park MY, Kim KS, Park RW
- KMID: 1447788
- Healthc Inform Res.
- 2011 Jun;17(2):111-119.
- doi: 10.4258/hir.2011.17.2.111
OBJECTIVES: The mucociliary transport system is a major defense mechanism of the respiratory tract. The performance of mucous transportation in the nasal cavity can be represented by a ciliary beating... -
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- Rehabilitation of Sensorineural Hearing Loss: Hearing Aid
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Chung JH
- KMID: 1793738
- Hanyang Med Rev.
- 2015 May;35(2):97-102.
- doi: 10.7599/hmr.2015.35.2.97
Social concerns about sensorineural hearing loss have been increasing with the advent of an aging society. As most hearing loss is incurable and permanent, audiologic rehabilitation is the only option... -
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- Digital Analysis of Asthmatic Cough Sounds
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Han MY, Jo CW
- KMID: 1994348
- Pediatr Allergy Respir Dis.
- 1999 Dec;9(4):360-368.
PURPOSE: Cough is a frequent symptom in bronchial asthma. Acoustic digital analysis of cough has been reported using digital signal processing techniques. Differences between asthmatic and control cough sounds are... -
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- Distinguishing Quantitative Electroencephalogram Findings between Adjustment Disorder and Major Depressive Disorder
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Jeong HG, Ko YH, Han C, Kim YK, Joe SH
- KMID: 2316247
- Psychiatry Investig.
- 2013 Mar;10(1):62-68.
OBJECTIVE: Adjustment disorder (ADJ) is a common diagnosis. However, it is difficult to distinguish ADJ from other major Axis I disorders, such as major depressive disorder (MDD). The aim of... -
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- Effects of the Simultaneous Application of Nonlinear Frequency Compression and Dichotic Hearing on the Speech Recognition of Severely Hearing-Impaired Subjects: Simulation Test
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Hwang JH, Nam KW, Yoon SH, Kim J, Yook S, Hong SH, Jang DP, Kim IY
- KMID: 2360779
- Clin Exp Otorhinolaryngol.
- 2015 Jun;8(2):102-110.
- doi: 10.3342/ceo.2015.8.2.102
OBJECTIVES: The clinical effects of the simultaneous application of nonlinear frequency compression and dichotic hearing on people with hearing impairments have not been evaluated previously. In this study, the clinical... -
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- Hearing Impairment Simulation for the Performance Evaluation of Hearing Aid
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Hong SH, Kim DW, Cho YS, Woo HC, Doh W, Park YC, Kim WK
- KMID: 1922469
- Korean J Otolaryngol-Head Neck Surg.
- 1998 Jan;41(1):13-20.
BACKGROUND AND OBJECTIVES: With the advent of high speed digital signal processing chips, many digital techniques have been introduced to hearing aids. Generally, subject-based clinical tests are needed to verify... -
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- In vivo Performance Evaluation of Implantable Wireless Neural Signal Transmission System for Brain Machine Interface
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Lee HJ, Nyamdorj S, Shin HC, Ahn JM
- KMID: 2165306
- Exp Neurobiol.
- 2009 Dec;18(2):137-145.
- doi: 10.5607/en.2009.18.2.137
A brain-machine interface (BMI) has recently been introduced to research a reliable control of machine from the brain information processing through single neural spikes in motor brain areas for paralyzed... -
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- The Effects of Hearing Aid Digital Noise Reduction and Directionality on Acceptable Noise Level
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Ahmadi R, Jalilvand , Mahdavi ME, Ahmadi F, Baghban AR
- KMID: 2439853
- Clin Exp Otorhinolaryngol.
- 2018 Dec;11(4):267-274.
- doi: 10.21053/ceo.2018.00052
OBJECTIVES: Two main digital signal processing technologies inside the modern hearing aid to provide the best conditions for hearing aid users are directionality (DIR) and digital noise reduction (DNR) algorithms.... -
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- Electrocardiogram Sampling Frequency Range Acceptable for Heart Rate Variability Analysis
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Kwon O, Jeong J, Kim HB, Kwon IH, Park SY, Kim JE, Choi Y
- KMID: 2418170
- Healthc Inform Res.
- 2018 Jul;24(3):198-206.
- doi: 10.4258/hir.2018.24.3.198
OBJECTIVES: Heart rate variability (HRV) has gained recognition as a noninvasive marker of autonomic activity. HRV is considered a promising tool in various clinical scenarios. The optimal electrocardiogram (ECG) sampling... -
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- Spectral analysis of heart valve sound for detection of prosthetic heart valve diseases
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Kim SH, Lee HJ, Huh JM, Chang BC
- KMID: 711562
- Yonsei Med J.
- 1998 Aug;39(4):302-308.
- doi: 10.3349/ymj.1998.39.4.302
The spectral analysis of heart valve sound is a noninvasive diagnostic method known to be useful in evaluating the state of the heart valve function. This may provide early detection... -
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- Focal Atrial Tachycardia Arising from the Inferior Vena Cava
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Lim YM, Uhm JS, Pak HN
- KMID: 2419099
- Yonsei Med J.
- 2017 Jul;58(4):884-887.
- doi: 10.3349/ymj.2017.58.4.884
The inferior vena cava (IVC) is a rare site of focal atrial tachycardia (AT). Here, we report a 20-year-old woman who underwent catheter ablation for anti-arrhythmic drug-resistant AT originating from... -
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- Structural Brain Abnormalities in Juvenile Myoclonic Epilepsy Patients: Volumetry and Voxel-Based Morphometry
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Tae WS, Hong SB, Joo EY, Han SJ, Cho JW, Seo DW, Lee JM, Kim IY, Byun HS, Kim SI
- KMID: 1114348
- Korean J Radiol.
- 2006 Sep;7(3):162-172.
- doi: 10.3348/kjr.2006.7.3.162
OBJECTIVE: We aimed to find structural brain abnormalities in juvenile myoclonic epilepsy (JME) patients. MATERIALS AND METHODS: The volumes of the cerebrum, hippocampus and frontal lobe and the area of... -
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- Diffusion-weighted MR Imaging of Intracerebral Hemorrhage
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Kang BK, Na DG, Ryoo JW, Byun HS, Roh HG, Pyeun YS
- KMID: 754086
- Korean J Radiol.
- 2001 Dec;2(4):183-191.
- doi: 10.3348/kjr.2001.2.4.183
OBJECTIVE: To document the signal characteristics of intracerebral hemorrhage (ICH) at evolving stages on diffusion-weighted images (DWI) by comparison with conventional MR images. MATERIALS AND METHODS: In our retrospective... -
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- The basal electrical skin resistance of acupuncture points in normal subjects
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Cho SH, Chun SI
- KMID: 1125985
- Yonsei Med J.
- 1994 Dec;35(4):464-474.
- doi: 10.3349/ymj.1994.35.4.464
The inhibitory component of the skin against given electrical current, also called as the electrical skin resistance, is subject to change in response to many factors, especially pain. In order... -
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- A Trainable Hearing Aid Algorithm Reflecting Individual Preferences for Degree of Noise-Suppression, Input Sound Level, and Listening Situation
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Yoon SH, Nam KW, Yook S, Cho BH, Jang DP, Hong SH, Kim IY
- KMID: 2376409
- Clin Exp Otorhinolaryngol.
- 2017 Mar;10(1):56-65.
- doi: 10.21053/ceo.2015.01690
OBJECTIVES: In an effort to improve hearing aid users’ satisfaction, recent studies on trainable hearing aids have attempted to implement one or two environmental factors into training. However, it would... -
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- ICG-enhanced digital angiography and photocoagulation of choroidal neovascularization in age-related macular degeneration
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Kim SH, Lee DE, Park YJ
- KMID: 1735138
- Korean J Ophthalmol.
- 1995 Jun;9(1):59-65.
- doi: 10.3341/kjo.1995.9.1.59
Choroidal neovascular membranes are often poorly defined on fluorescein angiography because of fluorescein leakage or blockage of hyperfluorescence by overlying hemorrhage, lipid, turbid fluid, or pigment. Indocyanine green (ICG) is... -
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- In vitro sound spectral analysis of prosthetic heart valves by mock circulatory system
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Kim SH, Chang BC, Tack G, Huh JM, Kang MS, Cho BK, Park YH
- KMID: 1728911
- Yonsei Med J.
- 1994 Sep;35(3):271-278.
- doi: 10.3349/ymj.1994.35.3.271
A comparative study was made of the sounds produced by normal prosthetic valves (St. Jude Medical, Bjork-Shiley, polymer) with those produced by the same valves but having simulated thrombosis at... -
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- Differentiation of Recently Infarcted Myocardium from Chronic Myocardial Scar: The Value of Contrast-Enhanced SSFP-Based Cine MR Imaging
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Kim KA, Seo JB, Do KH, Heo JN, Lee YK, Song JW, Lee JS, Song KS, Lim TH
- KMID: 753911
- Korean J Radiol.
- 2006 Mar;7(1):14-19.
- doi: 10.3348/kjr.2006.7.1.14
The purpose of this study is to demonstrate whether the signal intensity (SI) of myocardial infarction (MI) on contrast enhanced (CE)-cine MRI is useful for differentiating recently infarcted myocardium from... -
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