Hyunwook Choi — accepted AI-conference papers

2026

MATRIX: Mask Track Alignment for Interaction-aware Video Generation

Siyoon Jin, Seongchan Kim, Jae Ho Lee, Dahyun Chung, Hyunwook Choi, Jisu Nam +2

ICLR 2026poster

Video DiTs have advanced video generation, yet they still struggle to model multi-instance or subject-object interactions. This raises a key question: How do these models internally represent interactions? To answer this, we curate MATRIX-11K, a video dataset with interaction-aware captions and mul…

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2025

S4M: Boosting Semi-Supervised Instance Segmentation with SAM

Heeji Yoon, Heeseong Shin, Eunbeen Hong, Hyunwook Choi, Hansang Cho, Daun Jeong +1

ICCV 2025poster

Semi-supervised instance segmentation poses challenges due to limited labeled data, causing difficulties in accurately localizing distinct object instances. Current teacher-student frameworks still suffer from performance constraints due to unreliable pseudo-label quality stemming from limited label…

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