190 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Seoul National UniversityKR13 papers
- Yonsei UniversityKR6 papers
- Pohang University of Science and TechnologyKR5 papers
- Hyundai Motor Group (South Korea)KR3 papers
- Institute for Basic ScienceKR3 papers
- Seoul National University of Science and TechnologyKR3 papers
- Korea Advanced Institute of Science and TechnologyKR2 papers
- Sungkyunkwan UniversityKR2 papers
- Technical University of MunichDE2 papers
- Ulsan National Institute of Science and TechnologyKR2 papers
- Ajou UniversityKR1 paper
- Changwon National UniversityKR1 paper
24 papers
Visualizing Millisecond Atomic Dynamics of Nanocrystals in Liquid
Sungsu Kang, Jinho Rhee, Joodeok Kim +11
Atomic structures of nanomaterials are inherently dynamic, continuously reshaped through interactions with chemical species and external stimuli. Such dynamics are further amplifie…
Fundamental limits to contrast reversal of survival probability correlations
Kyoungho Cho, Jeongho Bang
In measurement design, it is common to engineer anti-contrast readouts -- two measurements that respond as differently as possible to the same inputs so that contributions that aff…
Step-directed Epitaxy of Uni-directional Hexagonal Boron Nitride on Vicinal Ge(110)
Ju-Hyun Jung, Chao Zhao, Seong-Jun Yang +8
Insulating hexagonal boron nitride (hBN) films with precisely controlled thickness are ideal dielectric components to modulate various interfaces in electronic devices. To achieve…
Shape-Aware Topological Representation for Pipeline Hyperbola Detection in GPR Data
Meiyan Kang, Shizuo Kaji, Sang-Yun Lee +3
Ground Penetrating Radar (GPR) is a widely used Non-Destructive Testing (NDT) technique for subsurface exploration, particularly in infrastructure inspection and maintenance. Howev…
Dual-Polarization SHG Interferometry for Imaging Antiparallel Domains and Stacking Angles of 2D Heterocrystals
Juseung Oh, Wontaek Kim, Gyouil Jeong +5
Optical second-harmonic generation (SHG) enables orientational polarimetry for crystallographic analysis and domain imaging of various materials. However, conventional intensity po…
Shoulder Range of Motion Rehabilitation Robot Incorporating Scapulohumeral Rhythm for Frozen Shoulder
Hyunbum Cho, Sungmoon Hur, Joowan Kim +2
This paper presents a novel rehabilitation robot designed to address the challenges of Passive Range of Motion (PROM) exercises for frozen shoulder patients by integrating advanced…
Ensuring superior learning outcomes and data security for authorized learner
Jeongho Bang, Wooyeong Song, Kyujin Shin +1
The learner's ability to generate a hypothesis that closely approximates the target function is crucial in machine learning. Achieving this requires sufficient data; however, unaut…
MOB-Net: Limb-modularized Uncertainty Torque Learning of Humanoids for Sensorless External Torque Estimation
Daegyu Lim, Myeong-Ju Kim, Junhyeok Cha +1
Momentum observer (MOB) can estimate external joint torque without requiring additional sensors, such as force/torque or joint torque sensors. However, the estimation performance o…
An Iterative Method for Unsupervised Robust Anomaly Detection Under Data Contamination
Minkyung Kim, Jongmin Yu, Junsik Kim +2
Most deep anomaly detection models are based on learning normality from datasets due to the difficulty of defining abnormality by its diverse and inconsistent nature. Therefore, it…
Proprioceptive External Torque Learning for Floating Base Robot and its Applications to Humanoid Locomotion
Daegyu Lim, Myeong-Ju Kim, Junhyeok Cha +2
The estimation of external joint torque and contact wrench is essential for achieving stable locomotion of humanoids and safety-oriented robots. Although the contact wrench on the…
Torque-based Deep Reinforcement Learning for Task-and-Robot Agnostic Learning on Bipedal Robots Using Sim-to-Real Transfer
Donghyeon Kim, Glen Berseth, Mathew Schwartz +1
In this paper, we review the question of which action space is best suited for controlling a real biped robot in combination with Sim2Real training. Position control has been popul…
Reversibly controlled ternary polar states and ferroelectric bias promoted by boosting square-tensile-strain
Jun Han Lee, Nguyen Xuan Duong, Min-Hyoung Jung +23
Interaction between dipoles often emerges intriguing physical phenomena, such as exchange bias in the magnetic heterostructures and magnetoelectric effect in multiferroics, which l…
FedVQCS: Federated Learning via Vector Quantized Compressed Sensing
Yongjeong Oh, Yo-Seb Jeon, Mingzhe Chen +1
In this paper, a new communication-efficient federated learning (FL) framework is proposed, inspired by vector quantized compressed sensing. The basic strategy of the proposed fram…
Quantitative Phase Imaging and Artificial Intelligence: A Review
YoungJu Jo, Hyungjoo Cho, Sang Yun Lee +4
Recent advances in quantitative phase imaging (QPI) and artificial intelligence (AI) have opened up the possibility of an exciting frontier. The fast and label-free nature of QPI e…
Vehicle Image Generation Going Well with The Surroundings
Jeesoo Kim, Jangho Kim, Jaeyoung Yoo +2
Since the generative neural networks have made a breakthrough in the image generation problem, lots of researches on their applications have been studied such as image restoration,…
Lyrics-to-Audio Alignment by Unsupervised Discovery of Repetitive Patterns in Vowel Acoustics
Sungkyun Chang, Kyogu Lee
Most of the previous approaches to lyrics-to-audio alignment used a pre-developed automatic speech recognition (ASR) system that innately suffered from several difficulties to adap…
Effect of fractional blood flow on plasma skimming in the microvasculature
Jiho Yang, Sung Sic Yoo, Tae-Rin Lee
Although redistribution of red blood cells at bifurcated vessels is highly dependent on flow rate, it is still challenging to quantitatively express the dependency of flow rate in…
Generalized Plasma Skimming Model for Cells and Drug Carriers in the Microvasculature
Tae-Rin Lee, Sung Sic Yoo, Jiho Yang
In microvascular transport, where both blood and drug carriers are involved, plasma skimming has a key role on changing hematocrit level and drug carrier concentration in capillary…
Reinforced magnetic properties of Ni-doped BiFeO3 ceramic
J. S. Hwang, Y. J. Yoo, J. -H. Kang +4
Multiferroic materials attract considerable interest because of the wide range of potential applications such as spintronic devices, data storage and sensors. As a strong candidate…
Deep convolutional neural networks for predominant instrument recognition in polyphonic music
Yoonchang Han, Jaehun Kim, Kyogu Lee
Identifying musical instruments in polyphonic music recordings is a challenging but important problem in the field of music information retrieval. It enables music search by instru…
Low-temperature, dry transfer-printing of a patterned graphene monolayer
Sugkyun Cha, Minjeong Cha, Seojun Lee +2
Graphene has recently attracted much interest as a material for flexible, transparent electrodes or active layers in electronic and photonic devices. However, realization of such g…
Growth Dynamics and Gas Transport Mechanism of Nanobubbles in Graphene Liquid Cells
Dongha Shin, Jong Bo Park, Yong-Jin Kim +6
Formation, evolution, and vanishing of bubbles are common phenomena in our nature, which can be easily observed in boiling or falling waters, carbonated drinks, gas-forming electro…
A Mobile Device Prototype Application for the Detection and Prediction of Node Faults in Wireless Sensor Networks
Anthony Marcus, Ionut Cardei, Borko Furht +2
Various implementations of wireless sensor networks (i.e. personal area-, wireless body area- networks) are prone to node and network failures by such characteristics as limited no…
Methane as an effective hydrogen source for single-layer graphene synthesis on Cu foil by plasma enhanced chemical vapor deposition
Yong Seung Kim, Jae Hong Lee, Young Duck Kim +8
A single-layer graphene is synthesized on Cu foil in the absence of H2 flow by plasma enhanced chemical vapor deposition (PECVD). In lieu of an explicit H2 flow, hydrogen species a…