51 Result(s)
within
Hyung Il Kim
English
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Chapter and Conference Paper
Localization Uncertainty Estimation for Anchor-Free Object Detection
Since many safety-critical systems, such as surgical robots and autonomous driving cars operate in unstable environments with sensor noise and incomplete data, it is desirable for object detectors to take the ...
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Chapter and Conference Paper
HAZE-Net: High-Frequency Attentive Super-Resolved Gaze Estimation in Low-Resolution Face Images
Although gaze estimation methods have been developed with deep learning techniques, there has been no such approach as aim to attain accurate performance in low-resolution face images with a pixel width of 50 ...
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Article
Open AccessBiomolecular imaging of colorectal tumor lesions using a FITC-labeled scFv-Cκ fragment antibody
For the sensitive diagnosis of colorectal cancer lesions, advanced molecular imaging techniques using cancer-specific targets have emerged. However, issues regarding the clearance of unbound probes and immunog...
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Article
Open AccessPresence of chest tubes does not affect the hemodynamic efficacy of standard cardiopulmonary resuscitation
During cardiopulmonary resuscitation (CPR), chest tubes can hinder increases in intrathoracic pressure by venting the pressure during chest compressions, thus reducing the blood flow generated by the thoracic ...
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Chapter and Conference Paper
Geometry-Aware Interactive AR Authoring Using a Smartphone in a Wearable AR Environment
This paper presents an augmented reality (AR) authoring system that enables an ordinary user to easily build an AR environment by manipulating and placing 3D virtual objects. The system tracks users’ hand moti...
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Article
Feature scalability for a low complexity face recognition with unconstrained spatial resolution
Automatic face recognition (FR) based applications in low computing power constrained systems, such as mobile and smart camera, have become particularly interesting topic in recent years. In this context, we p...
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Article
Functional and morphological evaluation of blue light-emitting diode-induced retinal degeneration in mice
The purpose of this study was to evaluate a retinal degeneration (RD) model induced by exposing mice to a blue light-emitting diode (LED), which led to photoreceptor cell death.
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Article
Segmental assessments of coronary plaque morphology and composition by virtual histology intravascular ultrasound and fractional flow reserve
Fractional flow reserve (FFR) is an index for identifying functionally significant stenotic lesions. A FFR value of ≤0.75 is considered clinically significant and indicative of physiological ischemia. Focal l...
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Chapter and Conference Paper
A Unified Framework for Remote Collaboration Using Interactive AR Authoring and Hands Tracking
In this paper, we present a unified framework for remote collaboration using interactive augmented reality (AR) authoring and hand tracking methods. The proposed framework enables a local user to organize AR d...
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Chapter
Low-Power Face Detection for Smart Camera
Recently the development of intelligent surveillance system increasingly requires low power consumption. For power saving, this chapter presents an event detection function based on automatically detected huma...
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Article
Open AccessDifficulty of predicting the presence of lymph node metastases in patients with clinical early stage gastric cancer: a case control study
The relationship between pathological factors and lymph node metastasis of pathological stage early gastric cancer has been extensively investigated. By contrast, the relationship between preoperative factors ...
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Article
Open AccessChange in hardness of an as-cast and softening heat-treated low-gold-content alloy for bonding porcelain by simulated porcelain firing and its mechanism
This study examined the change in hardness of a low-gold-content alloy for bonding porcelain induced by simulated porcelain firing after casting and softening heat treatment along with its mechanism. In the as...
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Chapter and Conference Paper
High-Speed Periodic Motion Reconstruction Using an Off-the-shelf Camera with Compensation for Rolling Shutter Effect
In recent years, high-speed signal reconstruction with sub-Nyquist sampling have attracted the attention of researchers in the signal processing field. Nonetheless, such methods have been limited either by the...
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Article
Open AccessHardening effect of pre- and post-firing heat treatment for a firing-simulated Au-Pd-In metal-ceramic alloy
The hardening effect of the pre- and post-firing heat treatments and their dual treatment was examined for a firing-simulated Au-Pd-In metal-ceramic alloy to determine if an additional post-firing heat treatme...
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Article
Open AccessLamellar-forming grain boundary reaction related to age-hardening mechanism in an Au-Pt-Pd-In metal-ceramic alloy
This study examined the relationship between the lamellar-forming grain boundary reaction and the change in hardness during the aging process of an Au-Pt-based metal-ceramic alloy composed of 76.6 Au–9.9 Pt–9....
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Article
Open AccessSpinodal decomposition related to age-hardening and cuboidal structures in a dental low-carat gold alloy with relatively high Cu/Ag content ratio
A dental Au–Ag–Cu–Pd alloy with a relatively low Au content and a high Cu/Ag content ratio was examined to determine the correlation between the microstructural changes by the spinodal decomposition and age-ha...
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Chapter and Conference Paper
AiRSculpt: A Wearable Augmented Reality 3D Sculpting System
In this paper, we present a new kind of wearable augmented reality (AR) 3D sculpting system called AiRSculpt in which users could directly translate their fluid finger movements in air into expressive sculptur...
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Article
A hybrid gas-sensing material based on porous carbon fibers and a TiO2 photocatalyst
The electrode material for a gas sensor was prepared from electrospun carbon fibers. The electrode material was chemically activated to enlarge the gas adsorption sites, and carbon nanotubes (CNTs) were embedd...
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Article
Improvement of ammonia sensing properties of polypyrrole by nanocomposite with graphitic materials
The more sensitive and rapid ammonia gas sensors were prepared with nanocomposites of polypyrrole (PPy) and graphitic materials such as graphite, graphite oxide (GO), and reduced graphene oxide (RGO). Pyrrole ...
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Article
Microstructural changes in grain interior and grain boundary by formation of metastable and stable phases related to age-hardening in an Au-Cu-Ag-Pd alloy
The hardness changes caused by formation of the metastable and stable phases were examined and correlated with the microstructural changes in grain interior and grain boundary during aging at 350 °C to clarify...
