Hyunwoo Kim
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I am currently a M.S student under the supervision of Professor Yukyung Choi, at Robotics and Computer Vision Lab, Sejong University.
My research aims to advance real-world applicable multimodal video understanding by developing learning frameworks that remain robust under limited supervision and unconstrained user interactions.
I focus on building models that can learn meaningful temporal and semantic representations from visual (audio), and language signals, even when precise annotations are unavailable or when inputs deviate from predefined formats.
Weakly-supervised temporal action localization: I study methods that leverage only weak video-level labels to localize actions in time, enabling scalable learning without costly frame-level annotations while maintaining robustness to noisy and ambiguous visual evidence.
Audio-Visual Question Answering (AVQA): I investigate question-aware multimodal reasoning that remains robust to diverse and previously unseen rephrasings of questions, aiming to move beyond template-specific behavior toward more flexible and generalizable real-world question answering.
Education & Career
Internship
NAVER Cloud, Seongnam, Korea (Feb. 2025 - Aug. 2025)
Vision Understanding (Multimodal LLM) / HyperCLOVA X
M. S.
Sejong University, Seoul, Korea (Mar. 2024 - )
Dept. of Intelligent Mechatronics Engineering (Advisor: Yukyung Choi)
B. S.
Sejong University, Seoul, Korea (Mar. 2018 - Feb. 2024)
Dept. of Intelligent Mechatronics Engineering (Advisor: Yukyung Choi)
Publications
Projects
스마트 비전 활용 AI 솔루션 기술 개발
Feb. 2024 -
Development of MPEG CDVA-based Multi-Machine Vision Task Software
Electronics and Telecommunications Research Institute (ETRI), Apr. 2023 - Nov. 2023
Development of MPEG CDVA-based Video Search Software
Electronics and Telecommunications Research Institute (ETRI), Apr. 2022 - Nov. 2022
Patents
Video Feature Descriptor Generation Method and Apparatus
동영상 특징 서술자 생성 방법 및 그 장치 (10-2860121), 등록 완료, Sep, 2025
Method and Apparatus for Temporal Action Localization via Probabilistic Video Feature Description
동영상의 확률적 특징 기반 행동 구간 탐지 방법 및 그 장치 (10-2024-0125424), 출원 완료, Sep, 2024
Method and Apparatus of Extracting Video Feature Descriptors With Distractor Frame Suppression
방해자 프레임 억제를 적용한 비디오 특징 추출 방법 및 그 장치 (10-2023-0177999), 출원 완료, Dec. 2023
Video-Level Descriptors Extraction Method and Apparatus for Content-Based Video Retrieval
동영상 검색을 위한 동영상 특징 서술자 추출 방법 및 그 장치 (10-2022-0152725), 출원 완료, Nov. 2022
SW
동영상 특징 서술자 생성 방법
Oct. 2025
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