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16 papers found.
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Design and Implementation of Acoustic Sensing System for Online Early Fault Detection in Industrial Fans

Simon Su,5 Lung-Hsien Huang,5 Chih-Wei Hsu,6 Yih-Shiou Hwang,3,7 Jiann-Der Lee,1,4,8 and Chih-Hsiung Chang5 1Department of Electrical Engineering, School of Electrical and Computer Engineering, College ... Correspondence should be addressed to Jiann-Der Lee; wt.ude.ugc.liam@eeldj Received 4 January 2018; Revised 5 May 2018; Accepted 17 May 2018; Published 26 June 2018 Academic Editor: Armando Ricciardi Copyright

Design and Implementation of Acoustic Sensing System for Online Early Fault Detection in Industrial Fans

Simon Su,5 Lung-Hsien Huang,5 Chih-Wei Hsu,6 Yih-Shiou Hwang,3,7 Jiann-Der Lee,1,4,8 and Chih-Hsiung Chang5 1Department of Electrical Engineering, School of Electrical and Computer Engineering, College ... Correspondence should be addressed to Jiann-Der Lee; wt.ude.ugc.liam@eeldj Received 4 January 2018; Revised 5 May 2018; Accepted 17 May 2018; Published 26 June 2018 Academic Editor: Armando Ricciardi Copyright

Markerless Augmented Reality via Stereo Video See-Through Head-Mounted Display Device

, Taiwan Received 14 June 2015; Revised 10 September 2015; Accepted 27 September 2015 Academic Editor: Zhiqiang Ma Copyright © 2015 Chung-Hung Hsieh and Jiann-Der Lee. This is an open access article

Markerless Augmented Reality via Stereo Video See-Through Head-Mounted Display Device

, Taiwan Received 14 June 2015; Revised 10 September 2015; Accepted 27 September 2015 Academic Editor: Zhiqiang Ma Copyright © 2015 Chung-Hung Hsieh and Jiann-Der Lee. This is an open access article

A Fuzzy Rules-Based Driver Assistance System

A vision-based driver assistance system using fuzzy rules to determine whether warnings are necessary is presented. This system is comprised of four cameras, one of which focuses on the driver for estimating the driver’s viewing angle, another focuses on the road ahead for the detection of road condition ahead, and the last two cameras are on both sides of the vehicle, facing...

An Extra Power Saving Scheme for Prolonging Lifetime of Mobile Handset in the 4G Mobile Networks

In the fourth generation or next generation networks, services of non-real-time variable bit rate (NRT-VBR) and best effort (BE) will dominate over 85% of the total traffic in the networks. In this paper, we study the power saving mechanism of NRT-VBR and BE services for mobile handsets (MHs) to prolong their battery lifetime (i.e., the sustained operation duration) in the fourth...

A Downlink and Uplink Alignment Scheme for Power Saving in IEEE 802.16 Protocol

This study shows the problem of power saving mechanism (PSM) that sleep intervals of uplink (UL) connections do not synchronize with sleep intervals of downlink (DL) connections. That is, the energy of a mobile station (MS) is not really saved if the DL connections are in the sleep mode while the UL connections are in normal mode, and vice versa. To avoid the asynchronism of...

A genome-wide association study links small-vessel ischemic stroke to autophagy

Search for Ting-Yu Chang in:Nature Research journals • PubMed • Google Scholar Search for Jiann-Der Lee in:Nature Research journals • PubMed • Google Scholar Search for Ku-Chou Chang in:Nature Research

Reversible Data Hiding Scheme with High Embedding Capacity Using Semi-Indicator-Free Strategy

Editor: Marco Perez-Cisneros Copyright © 2013 Jiann-Der Lee et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution

Prediction of in-hospital stroke mortality in critical care unit

Background Critical stroke causes high morbidity and mortality. We examined if variables in the early stage of critical stroke could predict in-hospital mortality. Methods We recruited 611 ischemic and 805 hemorrhagic stroke patients who were admitted within 24 h after the symptom onset. Data were analyzed with independent t test and Chi square test, and then with multivariate...

Comparisons of outcomes in stroke subtypes after intravenous thrombolysis

The purpose of this study was to analyze the outcomes and complications between stroke subtypes after intravenous thrombolysis. A total of 471 patients with acute ischemic stroke after intravenous thrombolysis from January 2007 to April 2014 were enrolled and classified according to the Trial of Org 10172 in Acute Stroke Treatment. A multivariate logistic regression model was...

Comparison of Arterial Spin Labeling and Dynamic Susceptibility Contrast Perfusion MRI in Patients with Acute Stroke

Background The aim of this study was to evaluate whether arterial spin labeling (ASL) perfusion magnetic resonance imaging (MRI) can reliably quantify perfusion deficit as compared to dynamic susceptibility contrast (DSC) perfusion MRI. Methods Thirty-nine patients with acute ischemic stroke in the anterior circulation territory were recruited. All underwent ASL and DSC MRI...

Discrimination between Alzheimer's Disease and Mild Cognitive Impairment Using SOM and PSO-SVM

In this study, an MRI-based classification framework was proposed to distinguish the patients with AD and MCI from normal participants by using multiple features and different classifiers. First, we extracted features (volume and shape) from MRI data by using a series of image processing steps. Subsequently, we applied principal component analysis (PCA) to convert a set of...

Hemodynamic Factors May Play a Critical Role in Neurological Deterioration Occurring within 72 hrs after Lacunar Stroke

Background Whether a perfusion defect exists in lacunar infarct and whether it is related to early neurological deterioration (END) is still under debate. The aim of this study was to evaluate whether END in lacunar infarct is related to a perfusion defect using diffusion-weighted imaging (DWI), diffusion tensor imaging (DTI) and perfusion MR imaging. Methods One hundred and...

Association of Renal Biomarkers with 3-Month and 1-Year Outcomes among Critically Ill Acute Stroke Patients

Background The comparative relationships of widely recognized biomarkers of renal injury with short-term and long-term outcomes among critically ill acute stroke patients are unknown. We evaluated the impact of baseline albuminuria [urine albumin-creatinine ratio (UACR)≥30 mg/g] or low estimated glomerular filtration rate (eGFR<60 ml/min per 1.73 m2) on stroke patients admitted...

Evaluation of the pathophysiology of classical trigeminal neuralgia by blink reflex study and current perception threshold testing

We recruited 49 patients with classical trigeminal neuralgia (TN) according to the latest guidelines of the International Classification of Headache Disorders, and divided them into an acute (≤30 days onset; 13 patients) and a chronic (>30 days onset; 36 patients) group. We used blink reflex study and current perception threshold (CPT) testing to evaluate the painful facial areas...