197 Result(s)
within
Sung** Lee
Engineering
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Article
Open AccessDynamic interaction of injected liquid jet with skin layer interfaces revealed by microsecond imaging of optically cleared ex vivo skin tissue model
Needle-free jet injection (NFJI) systems enable a controlled and targeted delivery of drugs into skin tissue. However, a scarce understanding of their underlying mechanisms has been a major deterrent to the de...
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Article
A vacuum-deposited polymer dielectric for wafer-scale stretchable electronics
Despite recent advances in materials and fabrication technologies, the development of intrinsically stretchable electronic devices with large-area uniformity, low power consumption and performance comparable w...
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Article
Wheel impact test by deep learning: prediction of location and magnitude of maximum stress
For ensuring vehicle safety, the impact performance of wheels during wheel development must be ensured through a wheel impact test. However, manufacturing and testing a real wheel requires a significant time a...
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Article
Open AccessSilicon photomultiplier signal readout and multiplexing techniques for positron emission tomography: a review
In recent years, silicon photomultiplier (SiPM) is replacing the photomultiplier tube (PMT) in positron emission tomography (PET) systems due to its superior properties, such as fast single-photon timing respo...
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Article
Biomedical Engineering Letters indexed in Science Citation Index Expanded (SCIE)
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Article
A time-based single transmission-line readout with position multiplexing
We developed a time-based single-transmission-line readout method for time-of-flight positron emission tomography (PET) detectors. The 2D position of a silicon photomultiplier (SiPM) array was encoded in the u...
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Chapter
Data-Sharing Approaches for Achieving Resilient Smart Cities: A Case of Smart City R&D Project in Daegu, South Korea
This study explores recent nationwide projects, including those related to smart cities, climate change, urban regeneration, and the K-New Deal, and in particular analyzes how the national smart city R&D proje...
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Article
Predictions of the elastic modulus of trabecular bone in the femoral head and the intertrochanter: a solitary wave-based approach
This paper deals with the numerical prediction of the elastic modulus of trabecular bone in the femoral head (FH) and the intertrochanteric (IT) region via site-specific bone quality assessment using solitary ...
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Article
Integrating deep learning into CAD/CAE system: generative design and evaluation of 3D conceptual wheel
Engineering design research integrating artificial intelligence (AI) into computer-aided design (CAD) and computer-aided engineering (CAE) is actively being conducted. This study proposes a deep learning-based...
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Article
Classification of Vocalization Recordings of Laying Hens and Cattle Using Convolutional Neural Network Models
Vocalizations of livestock convey information about the health and behavior of the animals, and vocal analysis could be a useful method to monitor livestock. We propose a deep learning classification of vocal ...
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Article
Open AccessFlexible soft-output decoding of polar codes
In this research, we study soft-output decoding of polar codes. Two representative soft-output decoding algorithms are belief propagation (BP) and soft cancellation (SCAN). The BP algorithm has low latency but...
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Article
Synthetic CT generation from weakly paired MR images using cycle-consistent GAN for MR-guided radiotherapy
Although MR-guided radiotherapy (MRgRT) is advancing rapidly, generating accurate synthetic CT (sCT) from MRI is still challenging. Previous approaches using deep neural networks require large dataset of preci...
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Article
A Practical Methodology for Waste-to-Energy Facilities to Screen Toxic Combustible Wastes and Priority Metals
Waste-to-energy technology is an alternative way to reduce fossil fuels and to secure energy resources. This technology can be readily applied to our real society because non-recyclable but combustible wastes ...
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Article
Biomedical engineering letters’ decade-long success
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Chapter and Conference Paper
Nonlinearity Study of Damaged Spring Materials Using Guided Wave
Nonlinear ultrasonic techniques that can detect micro crack or defects before use of ultrasonic nonlinearity are emerging as a way to predict the life of materials. Guided wave propagates according to the shap...
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Chapter and Conference Paper
A Study on Evidences Stored in Android Smartphones
Smartphones have become a necessity of modern people and have been used for various purposes beyond simple call and text transmission and reception. Therefore, various personal information has been stored in s...
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Chapter and Conference Paper
Static Analysis for Malware Detection with Tensorflow and GPU
With the advent of malware generation toolkits that automatically generate malware, anyone without a professional skill can easily generate malware. As a result, the number of new/modified malware samples is r...
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Chapter and Conference Paper
Site-Specific Quality Assessment of Trabecular Bone Using Highly Nonlinear Solitary Waves
We present a numerical study of highly nonlinear solitary wave interaction with adjacent bone microstructures towards the development of a novel diagnostic scheme for site-specific bone quality assessment. Hig...
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Chapter and Conference Paper
Clothing Display Method Based on VR Technology
Clothing display is a kind of merchandise display. Good clothing display effect will attract customers’ interest. Traditional physical clothing display has problems such as high cost and easy damage, and once ...
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Article
Study of strut interference in high-speed flows
Strut-support interference effects were investigated at a nominal Mach number of 6. Cylinder and rhombus models are used; moreover, models called half shock-bump (SB) and SB applied to the front and both sides...
