Dooyoung Hong

RGA Inc

Papers on Lattice

Total citations

Topics

Publication activitypapers/week, last 8 weeks

Research focus

Multimodal Models (2)Robotics & Embodied AI (2)

Frequent co-authors

Dongbin Na (2)Chanwoo Kim (2)Giyun Choi (2)Soonbin Rho (1)

Papers (2)

Jun 15, 2026

Dongbin Na +3Jun 15, 2026·also RGA Inc

Semantic Flip: Synthetic OOD Generation for Robust Refusal in Embodied Question Answering and Spatial Localization

Overconfidence in VLMs can lead to misleading responses, but Semantic Flip effectively trains agents to refuse unanswerable queries with high accuracy.

Dongbin Na, Chanwoo Kim, Giyun Choi +1

Multimodal Models Robotics & Embodied AI

Dongbin Na +5Jun 15, 2026·also RGA Inc

Binary Tracking for Spatial QA and Navigation with Open Vision-Language Models

Achieving closed-source model performance with open-source methods, BinTrack redefines spatial question answering for service robots navigating complex environments.

Dongbin Na, Chanwoo Kim, Soonbin Rho +3