activity
20242026
most citedLOTUS: A Leaderboard for Detailed Image Captioning from Quality to Societal Bias and User Preferences

1 citations · 2 across the 17 of their papers we have counts for

collaborators
Showing 2025Show all

11 papers · 1 filter

cs.LG2025

Masking Teacher and Reinforcing Student for Distilling Vision-Language Models

Byung-Kwan Lee, Yu-Chiang Frank Wang, Ryo Hachiuma

Large-scale vision-language models (VLMs) have recently achieved remarkable multimodal understanding, but their massive size makes them impractical for deployment on mobile or edge…

cs.CV2025

Zoom-Zero: Reinforced Coarse-to-Fine Video Understanding via Temporal Zoom-in

Xiaoqian Shen, Min-Hung Chen, Yu-Chiang Frank Wang +2

Grounded video question answering (GVQA) aims to localize relevant temporal segments in videos and generate accurate answers to a given question; however, large video-language mode…

cs.CV2025

4D-RGPT: Toward Region-level 4D Understanding via Perceptual Distillation

Chiao-An Yang, Ryo Hachiuma, Sifei Liu +4

Despite advances in Multimodal LLMs (MLLMs), their ability to reason over 3D structures and temporal dynamics remains limited, constrained by weak 4D perception and temporal unders…

cs.CV2025

Unified Reinforcement and Imitation Learning for Vision-Language Models

Byung-Kwan Lee, Ryo Hachiuma, Yong Man Ro +2

Vision-Language Models (VLMs) have achieved remarkable progress, yet their large scale often renders them impractical for resource-constrained environments. This paper introduces U…

cs.CV2025

Bias in Gender Bias Benchmarks: How Spurious Features Distort Evaluation

Yusuke Hirota, Ryo Hachiuma, Boyi Li +9

Gender bias in vision-language foundation models (VLMs) raises concerns about their safe deployment and is typically evaluated using benchmarks with gender annotations on real-worl…

cs.RO2025

V2V-GoT: Vehicle-to-Vehicle Cooperative Autonomous Driving with Multimodal Large Language Models and Graph-of-Thoughts

Hsu-kuang Chiu, Ryo Hachiuma, Chien-Yi Wang +3

Current state-of-the-art autonomous vehicles could face safety-critical situations when their local sensors are occluded by large nearby objects on the road. Vehicle-to-vehicle (V2…

cs.CV2025

Autoregressive Universal Video Segmentation Model

Miran Heo, Sukjun Hwang, Min-Hung Chen +4

Recent video foundation models such as SAM2 excel at prompted video segmentation by treating masks as a general-purpose primitive. However, many real-world settings require unpromp…

cs.CV2025★ 1 cited

LOTUS: A Leaderboard for Detailed Image Captioning from Quality to Societal Bias and User Preferences

Yusuke Hirota, Boyi Li, Ryo Hachiuma +7

Large Vision-Language Models (LVLMs) have transformed image captioning, shifting from concise captions to detailed descriptions. We introduce LOTUS, a leaderboard for evaluating de…

cs.CL2025

GenRecal: Generation after Recalibration from Large to Small Vision-Language Models

Byung-Kwan Lee, Ryo Hachiuma, Yong Man Ro +2

Recent advancements in vision-language models (VLMs) have leveraged large language models (LLMs) to achieve performance on par with closed-source systems like GPT-4V. However, depl…

cs.CV2025★ 1 cited

V2V-LLM: Vehicle-to-Vehicle Cooperative Autonomous Driving with Multimodal Large Language Models

Hsu-kuang Chiu, Ryo Hachiuma, Chien-Yi Wang +3

Current autonomous driving vehicles rely mainly on their individual sensors to understand surrounding scenes and plan for future trajectories, which can be unreliable when the sens…

cs.CV2025

Omni-RGPT: Unifying Image and Video Region-level Understanding via Token Marks

Miran Heo, Min-Hung Chen, De-An Huang +5

We present Omni-RGPT, a multimodal large language model designed to facilitate region-level comprehension for both images and videos. To achieve consistent region representation ac…