activity
20232026
most citedFerret: Refer and Ground Anything Anywhere at Any Granularity

43 citations · 61 across the 25 of their papers we have counts for

collaborators

25 papers

cs.CL2026

Length Value Model: Scalable Value Pretraining for Token-Level Length Modeling

Zhen Zhang, Changyi Yang, Zijie Xia +11

Tokens are the fundamental units of computation in modern autoregressive models, and generation length directly influences both inference cost and reasoning performance. Despite it…

cs.AI2026

Proactive Agent Research Environment: Simulating Active Users to Evaluate Proactive Assistants

Deepak Nathani, Cheng Zhang, Chang Huan +7

Proactive agents that anticipate user needs and autonomously execute tasks hold great promise as digital assistants, yet the lack of realistic user simulation frameworks hinders th…

cs.CV2025

PRISM-Bench: A Benchmark of Puzzle-Based Visual Tasks with CoT Error Detection

Yusu Qian, Cheng Wan, Chao Jia +3

Multimodal large language models (MLLMs) have achieved remarkable progress on vision-language tasks, yet their reasoning processes remain sometimes unreliable. We introduce PRISM-B…

cs.CV2025

UniGen-1.5: Enhancing Image Generation and Editing through Reward Unification in Reinforcement Learning

Rui Tian, Mingfei Gao, Haiming Gang +5

We present UniGen-1.5, a unified multimodal large language model (MLLM) for advanced image understanding, generation and editing. Building upon UniGen, we comprehensively enhance t…

cs.CV2025

SO-Bench: A Structural Output Evaluation of Multimodal LLMs

Di Feng, Kaixin Ma, Feng Nan +9

Multimodal large language models (MLLMs) are increasingly deployed in real-world, agentic settings where outputs must not only be correct, but also conform to predefined data schem…

cs.CV2025

Pico-Banana-400K: A Large-Scale Dataset for Text-Guided Image Editing

Yusu Qian, Eli Bocek-Rivele, Liangchen Song +5

Recent advances in multimodal models have demonstrated remarkable text-guided image editing capabilities, with systems like GPT-4o and Nano-Banana setting new benchmarks. However,…

cs.CV2025

DeepMMSearch-R1: Empowering Multimodal LLMs in Multimodal Web Search

Kartik Narayan, Yang Xu, Tian Cao +7

Multimodal Large Language Models (MLLMs) in real-world applications require access to external knowledge sources and must remain responsive to the dynamic and ever-changing real-wo…

cs.CV2025

MANZANO: A Simple and Scalable Unified Multimodal Model with a Hybrid Vision Tokenizer

Yanghao Li, Rui Qian, Bowen Pan +24

Unified multimodal Large Language Models (LLMs) that can both understand and generate visual content hold immense potential. However, existing open-source models often suffer from…

cs.CV2025

GIE-Bench: Towards Grounded Evaluation for Text-Guided Image Editing

Yusu Qian, Jiasen Lu, Tsu-Jui Fu +5

Editing images using natural language instructions has become a natural and expressive way to modify visual content; yet, evaluating the performance of such models remains challeng…

cs.CV2025

UniVG: A Generalist Diffusion Model for Unified Image Generation and Editing

Tsu-Jui Fu, Yusu Qian, Chen Chen +3

Text-to-Image (T2I) diffusion models have shown impressive results in generating visually compelling images following user prompts. Building on this, various methods further fine-t…

cs.CV2025

SlowFast-LLaVA-1.5: A Family of Token-Efficient Video Large Language Models for Long-Form Video Understanding

Mingze Xu, Mingfei Gao, Shiyu Li +7

We introduce SlowFast-LLaVA-1.5 (abbreviated as SF-LLaVA-1.5), a family of video large language models (LLMs) offering a token-efficient solution for long-form video understanding.…

cs.AI2024

Improve Vision Language Model Chain-of-thought Reasoning

Ruohong Zhang, Bowen Zhang, Yanghao Li +6

Chain-of-thought (CoT) reasoning in vision language models (VLMs) is crucial for improving interpretability and trustworthiness. However, current training recipes lack robust CoT r…

cs.CV2024

Revisit Large-Scale Image-Caption Data in Pre-training Multimodal Foundation Models

Zhengfeng Lai, Vasileios Saveris, Chen Chen +9

Recent advancements in multimodal models highlight the value of rewritten captions for improving performance, yet key challenges remain. For example, while synthetic captions often…

cs.CV2024

MM-Ego: Towards Building Egocentric Multimodal LLMs for Video QA

Hanrong Ye, Haotian Zhang, Erik Daxberger +9

This research aims to comprehensively explore building a multimodal foundation model for egocentric video understanding. To achieve this goal, we work on three fronts. First, as th…

cs.CV2024★ 2 cited

Contrastive Localized Language-Image Pre-Training

Hong-You Chen, Zhengfeng Lai, Haotian Zhang +7

Contrastive Language-Image Pre-training (CLIP) has been a celebrated method for training vision encoders to generate image/text representations facilitating various applications. R…

cs.CV2024★ 1 cited

MM1.5: Methods, Analysis & Insights from Multimodal LLM Fine-tuning

Haotian Zhang, Mingfei Gao, Zhe Gan +20

We present MM1.5, a new family of multimodal large language models (MLLMs) designed to enhance capabilities in text-rich image understanding, visual referring and grounding, and mu…

cs.CV2024★ 1 cited

Understanding Alignment in Multimodal LLMs: A Comprehensive Study

Elmira Amirloo, Jean-Philippe Fauconnier, Christoph Roesmann +8

Preference alignment has become a crucial component in enhancing the performance of Large Language Models (LLMs), yet its impact in Multimodal Large Language Models (MLLMs) remains…

cs.CV2024★ 4 cited

SlowFast-LLaVA: A Strong Training-Free Baseline for Video Large Language Models

Mingze Xu, Mingfei Gao, Zhe Gan +5

We propose SlowFast-LLaVA (or SF-LLaVA for short), a training-free video large language model (LLM) that can jointly capture detailed spatial semantics and long-range temporal cont…

cs.CV2024★ 1 cited

MIA-Bench: Towards Better Instruction Following Evaluation of Multimodal LLMs

Yusu Qian, Hanrong Ye, Jean-Philippe Fauconnier +3

We introduce MIA-Bench, a new benchmark designed to evaluate multimodal large language models (MLLMs) on their ability to strictly adhere to complex instructions. Our benchmark com…

cs.CV2024

Ferret-v2: An Improved Baseline for Referring and Grounding with Large Language Models

Haotian Zhang, Haoxuan You, Philipp Dufter +8

While Ferret seamlessly integrates regional understanding into the Large Language Model (LLM) to facilitate its referring and grounding capability, it poses certain limitations: co…

cs.CV2024★ 3 cited

Ferret-UI: Grounded Mobile UI Understanding with Multimodal LLMs

Keen You, Haotian Zhang, Eldon Schoop +5

Recent advancements in multimodal large language models (MLLMs) have been noteworthy, yet, these general-domain MLLMs often fall short in their ability to comprehend and interact e…

cs.CV2024

How Easy is It to Fool Your Multimodal LLMs? An Empirical Analysis on Deceptive Prompts

Yusu Qian, Haotian Zhang, Yinfei Yang +1

The remarkable advancements in Multimodal Large Language Models (MLLMs) have not rendered them immune to challenges, particularly in the context of handling deceptive information i…

cs.CV2023★ 43 cited

Ferret: Refer and Ground Anything Anywhere at Any Granularity

Haoxuan You, Haotian Zhang, Zhe Gan +6

We introduce Ferret, a new Multimodal Large Language Model (MLLM) capable of understanding spatial referring of any shape or granularity within an image and accurately grounding op…

cs.CV2023★ 4 cited

VeCLIP: Improving CLIP Training via Visual-enriched Captions

Zhengfeng Lai, Haotian Zhang, Bowen Zhang +9

Large-scale web-crawled datasets are fundamental for the success of pre-training vision-language models, such as CLIP. However, the inherent noise and potential irrelevance of web-…