56 Result(s)
within
**joo Park
Computer Science
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Article
A data-adaptive dimension reduction for functional data via penalized low-rank approximation
We introduce a data-adaptive nonparametric dimension reduction tool to obtain a low-dimensional approximation of functional data contaminated by erratic measurement errors following symmetric or asymmetric dis...
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Chapter and Conference Paper
Effects of Duration and Envelope of Vibrotactile Alerts on Urgency, Annoyance, and Acceptance
Vibrotactile feedback has been receiving increasing attention as an effective modality to draw the user’s attention to an urgent situation. The current study examines the effects of alert duration and envelope...
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Chapter and Conference Paper
Immersive Virtual Reality Simulation of the Nine-Hole Peg Test for Post-Stroke Patients
The Nine-Hole Peg Test (NHPT) is a standard clinical tool to assess the hand dexterity of a subject with impaired mobility. Virtual reality (VR) offers several advantages in evaluating the user’s performance (...
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Article
A formal construction of a divergence-free basis in the nonconforming virtual element method for the Stokes problem
We develop a formal construction of a pointwise divergence-free basis in the nonconforming virtual element method of arbitrary order for the Stokes problem introduced in Zhao et al. (SIAM J. Numer. Anal. 57(6):27...
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Article
Design of CMOS QVCO with high-Q symmetric differential inductor for wireless LAN
Phase noise performance and current consumption of radio frequency (RF) voltage controlled oscillator (VCO) are largely dependent on the Quality (Q) factor of inductor–capacitor (LC) tank. Because the Q-factor...
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Article
Emotional responses to watching and touching 3d emotional face in a virtual environment
Facial expressions play a crucial role in modulating the emotional responses in the viewers. Touch is an important factor in sha** human emotions and social communication. The objective of this study is to i...
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Chapter and Conference Paper
A Novel Experimental Equipment and Methods Using an Online Video Conference Tool to Collect Human Subjects Data Without Physical Interaction
There have been suggestions of remote usability test and experiment methods to collect human performance data while interacting with prototypes. The pandemic caused by COVID-19 has increased the necessity of r...
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Article
Open AccessOpen peer review: promoting transparency in open science
Open peer review (OPR), where review reports and reviewers’ identities are published alongside the articles, represents one of the last aspects of the open science movement to be widely embraced, although its ...
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Chapter and Conference Paper
Explainable Classification of EEG Data for an Active Touch Task Using Shapley Values
Machine learning has been used in the last decade to solve many problems in the haptics field. In particular, EEG data that is recorded during haptic interactions was used to train machine learning (ML) models...
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Chapter and Conference Paper
Evaluation of Handwriting Skills in Children with Learning Difficulties
Many children have physical, cognitive, motor, and other limitations that influence their ability to develop handwriting skills. Recently, haptic technology is gaining rising interest as an assistive technolog...
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Chapter and Conference Paper
Differences in Beta Oscillation of the Middle Frontal Cortex with or Without Tactile Stimulation in Active Touch Task
Tactile sensation is a valuable feedback for sha** human perception, for instance when using a mobile device or a touch screen. Most studies have used subjective assessments and focused on passive touch. Thi...
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Article
An examination of research data sharing and re-use: implications for data citation practice
This study examines characteristics of data sharing and data re-use in Genetics and Heredity, where data citation is most common. This study applies an exploratory method because data citation is a relatively ...
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Article
Open AccessRelation model describing the effects of introducing RFID in the supply chain: evidence from the food and beverage industry in South Korea
The development of information technology has rapidly changed the logistics industry. RFID has become more and more important in the context of supply chain management (SCM), and implementation of RFID in SCM ...
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Chapter and Conference Paper
Enhancing Data Curation of Cultural Heritage for Information Sharing: A Case Study Using Open Government Data
The purpose of this paper is to enhance cultural heritage data curation. A core research question of this study is how to share cultural heritage data by using ontologies. A case study was conducted using open...
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Article
Development of a maritime transportation planning support system for car carriers based on genetic algorithm
Recently, the port logistics market is rapidly expanding, along with the active maritime trade. To adjust to this trend and gain a competitive advantage, competition among ship** companies at home and abroad...
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Chapter and Conference Paper
A Robust Security Methodology for Supporting Reliable Multimedia Database System
In the IETF, when the handover occurs on wireless network environment, it proves Mobile Node’s uniqueness and security, and encourages the RR technique and security system comparable for safe Route Optimizatio...
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Chapter and Conference Paper
A Design of Safety Multimedia Packet Transmission DB System Management Scheme
These days, the concern of security increased suddenly due to the damage about leakage of personal information by network security variability to cybercrime attacks. The wireless users are increasing, as it in...
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Chapter and Conference Paper
PER Measurement of Vehicular Communication Systems with Adjacent Channel Interferences
Error performance is a critical factor to support reliable communication links. In this paper, we measure packet error rate (PER) of vehicular communication systems when the adjacent channel interferences exis...
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Chapter and Conference Paper
QoS Aware Energy-Efficient (QAEE) MAC Protocol for Energy Harvesting Wireless Sensor Networks
In this paper we present a QoS (Quality of Service) aware energy efficient priority based MAC protocol for energy harvesting Wireless Sensor Networks (WSNs).The proposed the QAEE-MAC protocol is a receiver-ini...
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Chapter and Conference Paper
Needle Insertion Simulator with Haptic Feedback
We introduce a novel injection simulator with haptic feedback which provides realistic physical experience to the medical user. Needle insertion requires very dexterous hands-on skills and fast and appropriate...
