2025 Learning 3D Object Spatial Relationships from Pre-trained 2D Diffusion Models Sangwon Beak, Hyeonwoo Kim, Hanbyul Joo arXiv 2025 Paper Code Project Page DAViD: Modeling Dynamic Affordance of 3D Objects using Pre-trained Video Diffusion Models Hyeonwoo Kim, Sangwon Beak, Hanbyul Joo arXiv 2025 Paper Code Project Page 2022 ANNA: Specialized Architecture for Approximate Nearest Neighbor Search Yejin Lee, Hyunji Choi, Sunhong Min, Hyunseung Lee, Sangwon Beak, Dawoon Jeong, Jae W. Lee, TaeJun Ham HPCA 2022 Paper