activity
20242026
collaborators

5 papers

cs.CV2026

SpaCeFormer: Fast Proposal-Free Open-Vocabulary 3D Instance Segmentation

Chris Choy, Junha Lee, Chunghyun Park +2

Open-vocabulary 3D instance segmentation is a core capability for robotics and AR/VR, but prior methods trade one bottleneck for another: multi-stage 2D+3D pipelines aggregate foun…

cs.RO2026

DextER: Language-driven Dexterous Grasp Generation with Embodied Reasoning

Junha Lee, Eunha Park, Minsu Cho

Language-driven dexterous grasp generation requires the models to understand task semantics, 3D geometry, and complex hand-object interactions. While vision-language models have be…

cs.CV2025

Affogato: Open-Vocabulary Affordance Grounding with Automated Data Generation at Scale

Junha Lee, Eunha Park, Chunghyun Park +2

Affordance grounding aims to localize where to interact with an object, a fundamental capability for embodied agents. Yet progress is bottlenecked by data: manual annotation is pro…

cs.CV2025

Mosaic3D: Foundation Dataset and Model for Open-Vocabulary 3D Segmentation

Junha Lee, Chunghyun Park, Jaesung Choe +4

We tackle open-vocabulary 3D scene understanding by introducing a novel data generation pipeline and training framework. Our method addresses three critical requirements for effect…

cs.CV2024

3D Geometric Shape Assembly via Efficient Point Cloud Matching

Nahyuk Lee, Juhong Min, Junha Lee +4

Learning to assemble geometric shapes into a larger target structure is a pivotal task in various practical applications. In this work, we tackle this problem by establishing local…