I am Seonho Lee (Griffin Sunho Lee in the US). I am working as an Applied AI Researcher at Krafton AI. I got a M.S. degree from KAIST AI in Artificial Intelligence and had worked as an AI graduate researcher at the Computer Vision and Machine Learning Lab at KAIST, advised by Prof. Hyunjung Shim.
Particularly, I am researching on the following topics:
1. Generative AI
2. Vision-Language Understanding
CV
E-mail
Github
LinkedIn
Google Scholar
- Email: glanceyes (at) kaist (dot) com
News
Mar. 2026: I begin to work as an Applied AI Researcher at Krafton AI.
Jan. 2026 Our What “Not” to Detect paper got accepted to ICLR 2026!
Oct. 2025: Two papers PartCATSeg and 3D-Aware VLM Finetuning got selected as QIFK(Qualcomm Innovation Fellowship Korea) 2025 Finalist.
Aug. 2025: Our 3D-Aware VLM Finetuning paper got accepted to EMNLP 2025 Findings!
Jun. 2025: I got ML engineering internship at Snap Inc. in Santa Monica, CA.
Jun. 2025: I got awarded Korean Presidential Science Scholarship for Graduate Students.
May. 2025: Our ScribbleDiff paper got accepted to ICIP 2025!
Feb. 2025: Our PartCATSeg paper got accepted to CVPR 2025!
Jan. 2025: Our DreamCatalyst paper got accepted to ICLR 2025!
More News
Sep. 2024: Our PartCLIPSeg paper got accepted to NeurIPS 2024!
Sep. 2023: I got accepted to CVML Lab as a M.S. graduate student in KAIST AI.
Publications
*: equal contribution. †: corresponding author. C: conference P: preprint W: workshop
[C6] What “Not” to Detect: Improving Object Detection under Negation via Reasoning and Token Merging
- Inha Kang, Youngsun Lim, Seonho Lee, Jiho Choi, Junsuk Choi†, Hyunjung Shim†
- Keywords: Described Object Detction under Negation
[C5] 3D-Aware Vision-Language Models Fine-Tuning with Geometric Distillation
- Seonho Lee*, Jiho Choi*, Inha Kang, Jiwook Kim, Junsung Park, Hyunjung Shim†
- Keywords: 3D-Aware VLM Finetuning
EMNLP 2025 Findings, Paper, Codes
[C4] Fine-Grained Image-Text Correspondence with Cost Aggregation for Open-Vocabulary Part Segmentation
- Jiho Choi*, Seonho Lee*, Seungho Lee, Minhyun Lee, Hyunjung Shim†
- Keywords: Open-Vocabulary Part Segmentation
[C3] Scribble-Guided Diffusion for Training-free Text-to-Image Generation
- Seonho Lee*, Jiho Choi*, Seohyun Lim, Jiwook Kim, Hyunjung Shim†
- Keywords: Conditional Image Generation
[C2] DreamCatalyst: Fast and High-Quality 3D Editing via Controlling Editability and Identity Preservation
- Jiwook Kim*, Seonho Lee*, Jaeyo Shin, Jiho Choi, Hyunjung Shim†
- Keywords: 3D Editing, Score Distillation
- Selected as a Daily Paper in HuggingFace
ICLR 2025, Paper, Project Page, Codes
[C1] Understanding Multi-Granularity for Open-Vocabulary Part Segmentation
- Jiho Choi*, Seonho Lee*, Seungho Lee, Minhyun Lee, Hyunjung Shim†
- Keywords: Open-Vocabulary Part Segmentation
[W1] Grounding the “Not”: Symbolic Representation of Negation for Logical Reasoning in VLMs
- Inha Kang, Seonho Lee, Jiho Choi, Junsuk Choi†, Hyunjung Shim†
- Keywords: Negation Understanding, Affirmative Bias
ICLR 2026 Workshop LLM Reasoning
[P3] Dense Reward for Multi-View 3D Reasoning with Global Maps and Local Views
- Jiho Choi*, Seonho Lee*, Seojeong Park, Hyunjung Shim†
- Keywords: Multi-View 3D Reasoning, Reinforcement Learning
Under Review
[P2] Mitigating Perceptual Judgment Bias in Multimodal LLM-as-a-Judge via Perceptual Perturbation and Reward Modeling
- Seojeong Park*, Jiho Choi*, Junyong Kang, Seonho Lee, Jaeyo Shin, Hyunjung Shim†
- Keywords: Multimodal LLM, Perceptual Judgment Bias
Under Review
[P1] WaymoQA: A Multi-View Visual Question Answering Dataset for Safety-Critical Reasoning in Autonomous Driving
- Seungjun Yu, Seonho Lee, Namho Kim, Jaeyo Shin, Junsung Park, Wonjeong Ryu, Raehyuk Jung, Hyunjung Shim†
- Keywords: Visual Question Answering, Safety-Critical Reasoning
Under Review, Preprint
Work Experience
Krafton - AI Research Div., Applied AI Researcher
- Mar. 2026 ~ Present , Seoul, Republic of Korea
- Working in AI Art Gen Team at Krafton AI
Snap Inc. - Generative ML team (VideoCraft), ML Engineer Intern
- Jun. 2025 ~ Sep. 2025, Santa Monica, CA, USA
- Led a project for establishing cross-reference dataset preprocessing pipeline for personalized video generation
- Developed new model architecture with multi-subject adapters for VideoAlchemist 2.0
Projects
3D-Aware VLM Finetuning, Samsung Research
- Electronic Device and Method for Operating Thereof and Storage Medium
- Korean patent: 10-2025-0109574
SHrack: Mobile Web Service for Real-time Exercise Count Tracking
- Web-based real-time video streaming service for accurate exercise count detection
- Keywords: MobileNet, Contextual Prediction Module
RECJOON: Backjoon Online Judge Problem Solving Recommendation System
- Developed during participation in Naver Boostcamp AI Tech 3rd (Mar. 2022 ~ Jun. 2022)
- Keywords: Recommendation System, Content-Based Filtering
KUVIS: Web-based Visual Programming Software with Deep Learning in Medicine
- Developed a prototype of VIENCE Pathoview
- Keywords: Visual Programming, Parallel Computing for Deep Learning
- Advised by Prof. Wonki Jeong (Jul. 2022 ~ Aug. 2022)
Education
KAIST
- M.S. in Artificial Intelligence, Mar. 2024 ~ Feb. 2026
- GPA: 4.20 / 4.3
Sogang University
- B.S. in Computer Science and Engineering, Mar. 2017 ~ Feb. 2024 (Expected)
- GPA: 4.12 / 4.3 (Summa Cum Laude)
Sangsan High School
Honors and Awards
Grand Prize in IPIU 2026
- Paper: What “Not” to Detect (Feb. 2026)
- Awardee: Inha Kang, Seonho Lee, Jiho Choi
Qualcomm Innovation Fellowship Korea (QIFK) 2025 Finalist
- Selected as a finalist by Qualcomm AI Research (Oct. 2025)
- Two papers: PartCATSeg and 3D-Aware VLM Finetuning
Korean Presidential Science Scholarship for Graduate Students
- Awarded by the President of Korea (Jun. 2025)
2nd Place on Open Vocabulary Part Segmentation Challenge at CVPR 2024
- 2nd Place Winnder both on Track 1 and 2
- 4th workshop on Open World Vision at CVPR 2024 (VPLOW)
Excellence Award in 2023 POSTECH OIBC Challenge
- 3rd Place (3/120) in AI Competition of Solar Power Generation Forecasting (Dec. 2023)
2022 ICPC Asia Korea Regional Contest
- 48th in Korea, 62nd in Preliminary
Korea National Science and Technology Scholarship
- Spring 2019, Fall 2022, Spring 2023, Fall 2023 (4 Semesters)
Dean’s List, Sogang University
- 1%: Spring 2018, Spring 2019, Fall 2022
- 5%: Fall 2018
Academic Activities
Reviewer
2026: CVPRW 2026, 3DV 2026
Last updated: 15th, Mar. 2026