Jiyoung Lee

ORCID: 0000-0002-0800-9355
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About
Contact & Profiles
Research Areas
  • Educational Systems and Policies
  • Education and Learning Interventions
  • Misinformation and Its Impacts
  • Educational Research and Pedagogy
  • Psychosocial Factors Impacting Youth
  • Diverse Approaches in Healthcare and Education Studies
  • Education, Safety, and Science Studies
  • Media Influence and Health
  • Antibiotic Resistance in Bacteria
  • Technology and Data Analysis
  • Social Media and Politics
  • Multimodal Machine Learning Applications
  • Public Relations and Crisis Communication
  • Chinese history and philosophy
  • Healthcare Education and Workforce Issues
  • Human Pose and Action Recognition
  • Generative Adversarial Networks and Image Synthesis
  • Natural Language Processing Techniques
  • Energy and Environmental Systems
  • Korean Urban and Social Studies
  • Impact of Technology on Adolescents
  • Hate Speech and Cyberbullying Detection
  • Virtual Reality Applications and Impacts
  • Topic Modeling
  • Death Anxiety and Social Exclusion

Kyungbok University
2025

Soonchunhyang University
2025

Sungkyunkwan University
2012-2024

University of Washington
2023-2024

Shell (Netherlands)
2022-2024

Korea University
2024

University of California, Irvine
2023

Institute for Learning and Development
2023

Korea Advanced Institute of Science and Technology
2001-2023

Naver (South Korea)
2022-2023

Existing text-to-image diffusion models struggle to synthesize realistic images given dense captions, where each text prompt provides a detailed description for specific image region. To address this, we propose DenseDiffusion, training-free method that adapts pre-trained model handle such captions while offering control over the scene layout. We first analyze relationship between generated images' layouts and model's intermediate attention maps. Next, develop an modulation guides objects...

10.1109/iccv51070.2023.00708 article EN 2021 IEEE/CVF International Conference on Computer Vision (ICCV) 2023-10-01

Text-to-3D generation has shown rapid progress in recent days with the advent of score distillation, a methodology using pretrained text-to-2D diffusion models to optimize neural radiance field (NeRF) zero-shot setting. However, lack 3D awareness 2D destabilizes distillation-based methods from reconstructing plausible scene. To address this issue, we propose 3DFuse, novel framework that incorporates into models, enhancing robustness and consistency methods. We realize by first constructing...

10.48550/arxiv.2303.07937 preprint EN cc-by arXiv (Cornell University) 2023-01-01

The purpose of this study was to describe retrospectively integrated PET/CT findings on pulmonary neuroendocrine tumors and correlate the with prognosis.Between May 2003 February 2005, 37 consecutively enrolled patients (33 men four women; mean age, 60 years) histopathologically proven underwent 18F-FDG after enhanced standalone CT. CT used analyze morphologic features PET measure maximum standardized uptake value (SUV). Maximum SUVs carcinoid tumors, large-cell carcinomas (LCNECs),...

10.2214/ajr.06.0503 article EN American Journal of Roentgenology 2007-04-20

Abstract The increased reliance on colistin for treating multidrug-resistant Gram-negative bacterial infections has resulted in the emergence of colistin-resistant Pseudomonas aeruginosa . We attempted to identify genetic contributors resistance vitro evolved isogenic and -susceptible strains two P. lineages (P5 P155). Their evolutionary paths acquisition loss were also tracked. Comparative genomic analysis revealed 13 five determinants P5 P155 lineages, respectively. Lipid A mutants was...

10.1038/srep25543 article EN cc-by Scientific Reports 2016-05-06

With rapid technical advancements, deepfakes—i.e., hyper-realistic fake videos using face swaps—have become more widespread and easier to create, challenging the old notion of "seeing is believing." Despite raised concerns over potential impacts deepfakes on people's credibility toward audio-visual evidence in journalism, systematic investigation topic has been lacking. This study conducted an experiment (N = 230) that tested (1) how a news article deepfake video (vs. real video) affects...

10.1080/21670811.2022.2026797 article EN Digital Journalism 2022-03-16

In this paper, we efficiently transfer the surpassing representation power of vision foundation models, such as ViT and Swin, for video understanding with only a few trainable parameters. Previous adaptation methods have simultaneously considered spatial temporal modeling unified learnable module but still suffered from fully leveraging representative capabilities image transformers. We argue that popular dual-path (two-stream) architecture in models can mitigate problem. propose novel...

10.1109/cvpr52729.2023.00219 article EN 2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) 2023-06-01

<i>Background/Aims:</i> Little is known about whether lifestyle plus exercise intervention improves obesity, metabolic syndrome markers, and circulating adiponectin concentrations in obese girls. The goal of this study was to investigate the effects a 12-week on markers Korean adolescents. <i>Methods:</i> A total 44 adolescent girls (13–15 years old), who were recruited from local middle school via flyer or newsletter, randomized group (LIFE+EX, n = 22) control (CON,...

10.1159/000104137 article EN Annals of Nutrition and Metabolism 2007-01-01

ABSTRACT Colistin-resistant mutants were obtained from 17 colistin-susceptible strains of Acinetobacter baumannii , Pseudomonas aeruginosa Klebsiella pneumoniae and Escherichia coli . The stability colistin resistance in these was investigated. Three four colistin-resistant P. recovered susceptibility colistin-free medium; however, revertants only one strain each A. E. No susceptible K. mutants.

10.1128/aac.01574-15 article EN Antimicrobial Agents and Chemotherapy 2015-10-13

We investigated the genetic background and microbiological features of T6SS-positive Acinetobacter baumannii isolates clinical impact T6SS in patients with A. bacteremia. One hundred 62 from bacteremia 2 tertiary-care hospitals Korea were included this study. Approximately one-third (51/162, 31.5%) possessed hcp gene, hcp-positive found several genotypes multilocus sequence typing. The expression secretion Hcp protein varied among isolates. detectable (T6SS+) could better outcompete...

10.1080/21505594.2017.1323164 article EN Virulence 2017-04-27

Artificial intelligence (AI) has gained both momentum and importance within society over the past several years. This article provides an opening for further discussion to broader social digital media research community those interested in answering important questions related these areas by leveraging a focused, productive approach. In supporting future educational endeavors communication classroom, specifically this topic, we propose five considerations that will move conversation forward....

10.1177/1077695820925286 article EN Journalism & Mass Communication Educator 2020-11-13

While deepfake has emerged as a severe issue in the multimedia environment, most studies examined text-based false claims, leaving question of what unique features video-based news deceives recipients and how it can be corrected. By conducting two online experiments, we study perceived source vividness psychological mechanism effect AI-enabled on credibility engagement intentions. Furthermore, test an inserted false-tag onto fake reduce impact experienced by seeing multimodal disinformation...

10.1080/15213269.2021.2007489 article EN Media Psychology 2021-12-09

This study addresses how social media interaction affects misperceptions about COVID-19 via risk perceptions thereof and whether political orientation moderates the relationship. Using original two-wave panel survey data (N = 679), this reveals that increases misperception directly, as well indirectly by reducing extent of perception. The perception is found to be a negative predictor misperception. deleterious role on pronounced across groups conservatives liberals, but in different ways....

10.1080/10410236.2021.1996920 article EN Health Communication 2021-11-09

The emergent body of scholarship on social media influencers (SMIs) highlights their potential to yield positive brand advertising outcomes. However, the literature is undermined by lack clarity regarding how SMIs conceptually compare celebrity endorsers and impact study aims clarify these differences via a meta-analysis 39 experimental studies (total sample size = 13,766) SMI effects from 2010 through March 2024. Findings reveal that are more effective than brand-only there no significant...

10.1177/20563051241269269 article EN cc-by-nc Social Media + Society 2024-07-01

10.1016/j.anr.2025.01.002 article EN cc-by-nc-nd Asian Nursing Research 2025-02-01

Han Bijia systematized Confucian thought by soberly analyzing the nature of monarchs and power. He defined human as an instinctive being that is not only selfish but also immutable in self-preservation. emphasized need for strong laws institutions to control nature. His philosophy governance was based on a trinitarian structure law, power, strategy. reflected trends world at time emphasizing importance means securing monarch's power position, main solution effective ruling rule which...

10.55793/jkhc.2025.24.209 article EN Barun Academy of History 2025-02-28

Colistin susceptibility in Pseudomonas aeruginosa is associated with a lipopolysaccharide (LPS) structure that controlled by the modulation of several two-component regulatory systems. In this study, we attempted to elucidate role these systems development colistin resistance P. aeruginosa. pmrA-, phoP-, parR- or cprR-inactivated mutants were constructed from colistin-susceptible P5 strain. Colistin-resistant (P5R, P5ΔpmrA-R, P5ΔphoP-R, P5ΔparR-R and P5ΔcprR-R) developed vitro wild-type...

10.1093/jac/dku238 article EN Journal of Antimicrobial Chemotherapy 2014-07-02

Given an untrimmed video and a language query depicting specific temporal moment in the video, grounding aims to localize time interval by understanding text simultaneously. One of most challenging issues is extremely time- cost-consuming annotation collection, including captions natural form their corresponding regions. In this paper, we present simple yet novel training framework for zero-shot setting, which learns network with only data without any annotation. Inspired recent...

10.1109/wacv56688.2023.00257 article EN 2022 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) 2023-01-01

Disinformation presented in multiple modalities (textual, visual, and auditory modes; multimodal disinformation) has become a serious concern. This study examines how disinformation, portrayed using an image or video format, may be more powerful than text-only disinformation. In particular, we examined the impact on affective mechanisms, as well moderating role of perceived issue relevance. Through online experiment with modality conditions control group (text-only disinformation vs...

10.1177/14614448231153959 article EN New Media & Society 2023-04-11

This study aimed to examine the effects of commenting on a Facebook misinformation post by comparing user agency–based intervention and machine in form artificial intelligence (AI) fact-checking labeling attitudes toward COVID-19 vaccination. We found that both interventions were effective at promoting positive vaccination compared misinformation-only condition. However, manifested differently depending participants’ residential locations, such emerged as promising tool for suburban...

10.1177/14614448231163228 article EN New Media & Society 2023-04-18
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