Search Results - "Jichai Jeong"
-
1
Inter-Brain Synchrony Pattern Investigation on Triadic Board Game Play-Based Social Interaction: An fNIRS Study
Published in IEEE transactions on neural systems and rehabilitation engineering (01-01-2023)“…Recent advances in functional neuroimaging techniques, including methodologies such as fNIRS, have enabled the evaluation of inter-brain synchrony (IBS)…”
Get full text
Journal Article -
2
Onset Classification in Hemodynamic Signals Measured During Three Working Memory Tasks Using Wireless Functional Near-Infrared Spectroscopy
Published in IEEE journal of selected topics in quantum electronics (01-01-2019)“…Wireless wearable functional near-infrared spectroscopy (fNIRS) has attracted growing attention as a candidate for real-life brain monitoring systems. It is…”
Get full text
Journal Article -
3
Inter-Brain Synchrony Levels According to Task Execution Modes and Difficulty Levels: An fNIRS/GSR Study
Published in IEEE transactions on neural systems and rehabilitation engineering (2022)“…Hyperscanning is a brain imaging technique that measures brain synchrony caused by social interactions. Recent research on hyperscanning has revealed…”
Get full text
Journal Article -
4
Brain–computer interface to predict impulse buying behavior using functional near-infrared spectroscopy
Published in Scientific reports (26-10-2022)“…As the rate of vaccination against COVID-19 is increasing, demand for overseas travel is also increasing. Despite people’s preference for duty-free shopping,…”
Get full text
Journal Article -
5
Charitable crowdfunding donation-intention estimation depending on emotional project images using fNIRS-based functional connectivity
Published in PloS one (08-05-2024)“…Charitable fundraising increasingly relies on online crowdfunding platforms. Project images of charitable crowdfunding use emotional appeals to promote helping…”
Get full text
Journal Article -
6
User Biometric Identification Methodology via EEG-Based Motor Imagery Signals
Published in IEEE access (01-01-2023)“…Human brain activities-electroencephalogram (EEG) signals-are likely to provide a secure biometric approach for user identification because they are more…”
Get full text
Journal Article -
7
Live Acquisition of Internal Fingerprint With Automated Detection of Subsurface Layers Using OCT
Published in IEEE photonics technology letters (15-01-2016)“…Recently, optical coherence tomography (OCT) was introduced as a novel fingerprint scanning technique. This approach is resistant to fake fingerprint attacks,…”
Get full text
Journal Article -
8
Subdividing Stress Groups into Eustress and Distress Groups Using Laterality Index Calculated from Brain Hemodynamic Response
Published in Biosensors (Basel) (09-01-2022)“…A stress group should be subdivided into eustress (low-stress) and distress (high-stress) groups to better evaluate personal cognitive abilities and…”
Get full text
Journal Article -
9
Investigation of the Lower Bound of Outage Threshold in Indoor Power-Line Networks
Published in IEEE transactions on power delivery (01-06-2016)“…We theoretically investigate lower bound of the outage threshold based on channel capacity degradation in indoor power-line networks and its practical…”
Get full text
Journal Article -
10
Broadband Circularly Polarized Crossed Dipole With Parasitic Loop Resonators and Its Arrays
Published in IEEE transactions on antennas and propagation (01-01-2011)“…A novel printed crossed dipole with broad axial ratio (AR) bandwidth is proposed. The proposed dipole consists of two dipoles crossed through a 90°phase delay…”
Get full text
Journal Article -
11
Accurate Wavelength Calibration Method for Spectrometer Using Low Coherence Interferometry
Published in Journal of lightwave technology (15-08-2015)“…Dispersive spectrometers are subject to wavelength dispersion errors due to aberration, ruling errors, etc. Thus, their calibration forms an integral aspect of…”
Get full text
Journal Article -
12
Effects of Transcranial Direct Current Stimulation Over the Dorsolateral Prefrontal Cortex (PFC) on Cognitive-Motor Dual Control Skills
Published in Perceptual and motor skills (01-10-2020)“…This randomized crossover study investigated whether anodal transcranial direct current stimulation (tDCS) over the dorsolateral prefontal cortex (dlPFC)…”
Get full text
Journal Article -
13
Improved Outage Probability of Indoor PLC System for Multiple Users Using Resource Allocation Algorithms
Published in IEEE transactions on power delivery (01-10-2013)“…We investigate to find an efficient resource allocation algorithm among three proposed algorithms to improve the outage probability for multiple users in an…”
Get full text
Journal Article -
14
DCT-Precoding Technique in Optical Fast OFDM for Mitigating Fiber Nonlinearity
Published in IEEE photonics technology letters (15-11-2013)“…We construct a discrete Fourier transform (DFT)-precoded optical fast orthogonal frequency division multiplexing (FOFDM) system. However, the DFT-precoded…”
Get full text
Journal Article -
15
Common-Path Optical Coherence Tomography Using a Conical-Frustum-Tip Fiber Probe
Published in IEEE journal of selected topics in quantum electronics (01-03-2014)“…We demonstrated an in-fiber common-path optical coherence tomography (OCT) system using a conical-frustum-tip fiber probe. The probe had a circularly truncated…”
Get full text
Journal Article -
16
Performance Limitations of Subcarrier Multiplexed WDM Signal Transmissions Using QAM Modulation
Published in Journal of lightwave technology (15-09-2009)“…We theoretically investigate the performance limitations of subcarrier multiplexed (SCM) wavelength-division-multiplexing (WDM) systems using optical…”
Get full text
Journal Article -
17
Effect of Oxygen Vacancy on the Conduction Modulation Linearity and Classification Accuracy of Pr0.7Ca0.3MnO3 Memristor
Published in Nanomaterials (Basel, Switzerland) (12-10-2021)“…An amorphous Pr0.7Ca0.3MnO3 (PCMO) film was grown on a TiN/SiO2/Si (TiN–Si) substrate at 300 °C and at an oxygen pressure (OP) of 100 mTorr. This PCMO…”
Get full text
Journal Article -
18
Channel Modeling for Indoor Broadband Power-Line Communications Networks With Arbitrary Topologies by Taking Adjacent Nodes Into Account
Published in IEEE transactions on power delivery (01-07-2011)“…We develop a general channel model in broadband power-line communications (BPLC) network using infinite geometric series and the description matrices. The…”
Get full text
Journal Article -
19
Compact Ultra-Wideband Bandpass Filter With EBG Structure
Published in IEEE microwave and wireless components letters (01-10-2008)“…Two bandpass filters (BPFs) for ultra-wideband (UWB) applications are proposed using the uniplanar compact- electromagnetic bandgap (UC-EBG) and the foliated…”
Get full text
Journal Article -
20
VoIP receiver-based adaptive playout scheduling and packet loss concealment technique
Published in IEEE transactions on consumer electronics (01-02-2013)“…This paper proposes a high performance playout scheduling and packet loss concealment algorithm at the receiver for enhancing Voice over Internet Protocol…”
Get full text
Journal Article