papers

Publications (72)

cs.CL2025

MME-CC: A Challenging Multi-Modal Evaluation Benchmark of Cognitive Capacity

Kaiyuan Zhang, Chenghao Yang, Zhoufutu Wen +19

As reasoning models scale rapidly, the essential role of multimodality in human cognition has come into sharp relief, driving a growing need to probe vision-centric cognitive behav…

cs.CV2024

Beyond LLaVA-HD: Diving into High-Resolution Large Multimodal Models

Yi-Fan Zhang, Qingsong Wen, Chaoyou Fu +4

Seeing clearly with high resolution is a foundation of Large Multimodal Models (LMMs), which has been proven to be vital for visual perception and reasoning. Existing works usually…

cs.SD2024

Freeze-Omni: A Smart and Low Latency Speech-to-speech Dialogue Model with Frozen LLM

Xiong Wang, Yangze Li, Chaoyou Fu +5

Rapidly developing large language models (LLMs) have brought tremendous intelligent applications. Especially, the GPT-4o's excellent duplex speech interaction ability has brought i…

cs.CV2023

Aligning and Prompting Everything All at Once for Universal Visual Perception

Yunhang Shen, Chaoyou Fu, Peixian Chen +6

Vision foundation models have been explored recently to build general-purpose vision systems. However, predominant paradigms, driven by casting instance-level tasks as an object-wo…

cs.CV2025

R1-Reward: Training Multimodal Reward Model Through Stable Reinforcement Learning

Yi-Fan Zhang, Xingyu Lu, Xiao Hu +13

Multimodal Reward Models (MRMs) play a crucial role in enhancing the performance of Multimodal Large Language Models (MLLMs). While recent advancements have primarily focused on im…

cs.CV2025

MME-RealWorld: Could Your Multimodal LLM Challenge High-Resolution Real-World Scenarios that are Difficult for Humans?

Yi-Fan Zhang, Huanyu Zhang, Haochen Tian +10

Comprehensive evaluation of Multimodal Large Language Models (MLLMs) has recently garnered widespread attention in the research community. However, we observe that existing benchma…

cs.CL2025

LUCY: Linguistic Understanding and Control Yielding Early Stage of Her

Heting Gao, Hang Shao, Xiong Wang +12

The film Her features Samantha, a sophisticated AI audio agent who is capable of understanding both linguistic and paralinguistic information in human speech and delivering real-ti…

cs.CV2026

OmniVideo-100K: A Dataset for Audio-Visual Reasoning through Structured Scripts and Evidence Chains

Xinyue Cai, Chaoyou Fu, Yi-Fan Zhang +2

Current automated pipelines for audio-visual Question Answering (QA) generally adopt a ``video-caption-QA'' paradigm. However, these methods typically segment videos into short cli…

cs.CV2026

VideoDetective: Clue Hunting via both Extrinsic Query and Intrinsic Relevance for Long Video Understanding

Ruoliu Yang, Chu Wu, Caifeng Shan +2

Long video understanding remains challenging for multimodal large language models (MLLMs) due to limited context windows, which necessitate identifying sparse query-relevant video…

cs.CV2020

AOT: Appearance Optimal Transport Based Identity Swapping for Forgery Detection

Hao Zhu, Chaoyou Fu, Qianyi Wu +3

Recent studies have shown that the performance of forgery detection can be improved with diverse and challenging Deepfakes datasets. However, due to the lack of Deepfakes datasets…

cs.CV2020

Cross-Spectral Face Hallucination via Disentangling Independent Factors

Boyan Duan, Chaoyou Fu, Yi Li +2

The cross-sensor gap is one of the challenges that have aroused much research interests in Heterogeneous Face Recognition (HFR). Although recent methods have attempted to fill the…

cs.SE2025

CUARewardBench: A Benchmark for Evaluating Reward Models on Computer-using Agent

Haojia Lin, Xiaoyu Tan, Yulei Qin +9

Computer-using agents (CUAs) enable task completion through natural interaction with operating systems and software interfaces. While script-based verifiers are widely adopted for…

cs.CV2024

Woodpecker: Hallucination Correction for Multimodal Large Language Models

Shukang Yin, Chaoyou Fu, Sirui Zhao +7

Hallucination is a big shadow hanging over the rapidly evolving Multimodal Large Language Models (MLLMs), referring to the phenomenon that the generated text is inconsistent with t…

cs.CV2026

Light-Omni: Reflex over Reasoning in Agentic Video Understanding with Long-Term Memory

Chang Nie, Jiaju Wei, Junlan Feng +2

Agentic video understanding equips models with long-term memory to autonomously process and respond to continuous, long-horizon multimodal streams. However, advanced video agents o…

cs.CV2025

VITA-VLA: Efficiently Teaching Vision-Language Models to Act via Action Expert Distillation

Shaoqi Dong, Chaoyou Fu, Haihan Gao +12

Vision-Language Action (VLA) models significantly advance robotic manipulation by leveraging the strong perception capabilities of pretrained vision-language models (VLMs). By inte…

cs.CV2025

Thyme: Think Beyond Images

Yi-Fan Zhang, Xingyu Lu, Shukang Yin +17

Following OpenAI's introduction of the ``thinking with images'' concept, recent efforts have explored stimulating the use of visual information in the reasoning process to enhance…

cs.CV2024

InstanceCap: Improving Text-to-Video Generation via Instance-aware Structured Caption

Tiehan Fan, Kepan Nan, Rui Xie +6

Text-to-video generation has evolved rapidly in recent years, delivering remarkable results. Training typically relies on video-caption paired data, which plays a crucial role in e…

cs.CV2024

No Time to Train: Empowering Non-Parametric Networks for Few-shot 3D Scene Segmentation

Xiangyang Zhu, Renrui Zhang, Bowei He +6

To reduce the reliance on large-scale datasets, recent works in 3D segmentation resort to few-shot learning. Current 3D few-shot segmentation methods first pre-train models on 'see…

cs.CV2025

Human-MME: A Holistic Evaluation Benchmark for Human-Centric Multimodal Large Language Models

Yuansen Liu, Haiming Tang, Jinlong Peng +12

Multimodal Large Language Models (MLLMs) have demonstrated significant advances in visual understanding tasks. However, their capacity to comprehend human-centric scenes has rarely…

cs.CV2025

QuoTA: Query-oriented Token Assignment via CoT Query Decouple for Long Video Comprehension

Yongdong Luo, Wang Chen, Xiawu Zheng +8

Recent advances in long video understanding typically mitigate visual redundancy through visual token pruning based on attention distribution. However, while existing methods emplo…

cs.CV2019

Dual Variational Generation for Low-Shot Heterogeneous Face Recognition

Chaoyou Fu, Xiang Wu, Yibo Hu +2

Heterogeneous Face Recognition (HFR) is a challenging issue because of the large domain discrepancy and a lack of heterogeneous data. This paper considers HFR as a dual generation…

cs.CV2025

OpenGPT-4o-Image: A Comprehensive Dataset for Advanced Image Generation and Editing

Zhihong Chen, Xuehai Bai, Yang Shi +9

The performance of unified multimodal models for image generation and editing is fundamentally constrained by the quality and comprehensiveness of their training data. While existi…

cs.CV2024

VEGA: Learning Interleaved Image-Text Comprehension in Vision-Language Large Models

Chenyu Zhou, Mengdan Zhang, Peixian Chen +5

The swift progress of Multi-modal Large Models (MLLMs) has showcased their impressive ability to tackle tasks blending vision and language. Yet, most current models and benchmarks…

cs.CV2025

MELLM: A Flow-Guided Large Language Model for Micro-Expression Understanding

Sirui Zhao, Zhengye Zhang, Shifeng Liu +5

Micro-expressions (MEs), brief and low-intensity facial movements revealing concealed emotions, are crucial for affective computing. Despite notable progress in ME recognition, exi…

cs.CV2023

Audio-Driven Dubbing for User Generated Contents via Style-Aware Semi-Parametric Synthesis

Linsen Song, Wayne Wu, Chaoyou Fu +2

Existing automated dubbing methods are usually designed for Professionally Generated Content (PGC) production, which requires massive training data and training time to learn a per…

cs.CV2021

DVG-Face: Dual Variational Generation for Heterogeneous Face Recognition

Chaoyou Fu, Xiang Wu, Yibo Hu +2

Heterogeneous Face Recognition (HFR) refers to matching cross-domain faces and plays a crucial role in public security. Nevertheless, HFR is confronted with challenges from large d…

cs.CL2024

A Survey on Benchmarks of Multimodal Large Language Models

Jian Li, Weiheng Lu, Hao Fei +11

Multimodal Large Language Models (MLLMs) are gaining increasing popularity in both academia and industry due to their remarkable performance in various applications such as visual…

cs.CV2021

Everything's Talkin': Pareidolia Face Reenactment

Linsen Song, Wayne Wu, Chaoyou Fu +3

We present a new application direction named Pareidolia Face Reenactment, which is defined as animating a static illusory face to move in tandem with a human face in the video. For…

cs.CV2021

High Fidelity Face Manipulation with Extreme Poses and Expressions

Chaoyou Fu, Yibo Hu, Xiang Wu +3

Face manipulation has shown remarkable advances with the flourish of Generative Adversarial Networks. However, due to the difficulties of controlling structures and textures, it is…

cs.CV2025

Zooming from Context to Cue: Hierarchical Preference Optimization for Multi-Image MLLMs

Xudong Li, Mengdan Zhang, Peixian Chen +8

Multi-modal Large Language Models (MLLMs) excel at single-image tasks but struggle with multi-image understanding due to cross-modal misalignment, leading to hallucinations (contex…

cs.CV2025

MME-Unify: A Comprehensive Benchmark for Unified Multimodal Understanding and Generation Models

Wulin Xie, Yi-Fan Zhang, Chaoyou Fu +6

Existing MLLM benchmarks face significant challenges in evaluating Unified MLLMs (U-MLLMs) due to: 1) lack of standardized benchmarks for traditional tasks, leading to inconsistent…

cs.CV2026

Omni-Diffusion: Unified Multimodal Understanding and Generation with Masked Discrete Diffusion

Lijiang Li, Zuwei Long, Yunhang Shen +6

While recent multimodal large language models (MLLMs) have made impressive strides, they predominantly employ a conventional autoregressive architecture as their backbone, leaving…

cs.CV2025

Video-RAG: Visually-aligned Retrieval-Augmented Long Video Comprehension

Yongdong Luo, Xiawu Zheng, Guilin Li +8

Existing large video-language models (LVLMs) struggle to comprehend long videos correctly due to limited context. To address this problem, fine-tuning long-context LVLMs and employ…

cs.CL2025

VITA-Audio: Fast Interleaved Cross-Modal Token Generation for Efficient Large Speech-Language Model

Zuwei Long, Yunhang Shen, Chaoyou Fu +11

With the growing requirement for natural human-computer interaction, speech-based systems receive increasing attention as speech is one of the most common forms of daily communicat…

cs.CL2026

EvoEmbedding: Evolvable Representations for Long-Context Retrieval and Agentic Memory

Chang Nie, Chaoyou Fu, Junlan Feng +1

Existing embedding models are inherently static: they encode text segments in isolation, ignoring their surrounding context and temporal order. This paper introduces EvoEmbedding,…

cs.RO2025

VITA-E: Natural Embodied Interaction with Concurrent Seeing, Hearing, Speaking, and Acting

Xiaoyu Liu, Chaoyou Fu, Chi Yan +15

Current Vision-Language-Action (VLA) models are often constrained by a rigid, static interaction paradigm, which lacks the ability to see, hear, speak, and act concurrently as well…

cs.CV2021

Causal Representation Learning for Context-Aware Face Transfer

Gege Gao, Huaibo Huang, Chaoyou Fu +1

Human face synthesis involves transferring knowledge about the identity and identity-dependent face shape (IDFS) of a human face to target face images where the context (e.g., faci…

cs.CV2023

A Challenger to GPT-4V? Early Explorations of Gemini in Visual Expertise

Chaoyou Fu, Renrui Zhang, Zihan Wang +15

The surge of interest towards Multi-modal Large Language Models (MLLMs), e.g., GPT-4V(ision) from OpenAI, has marked a significant trend in both academia and industry. They endow L…

cs.CV2023

CAPro: Webly Supervised Learning with Cross-Modality Aligned Prototypes

Yulei Qin, Xingyu Chen, Yunhang Shen +5

Webly supervised learning has attracted increasing attention for its effectiveness in exploring publicly accessible data at scale without manual annotation. However, most existing…

cs.CV2024

MME-Finance: A Multimodal Finance Benchmark for Expert-level Understanding and Reasoning

Ziliang Gan, Yu Lu, Dong Zhang +9

In recent years, multimodal benchmarks for general domains have guided the rapid development of multimodal models on general tasks. However, the financial field has its peculiariti…

cs.CV2022

Heterogeneous Face Recognition via Face Synthesis with Identity-Attribute Disentanglement

Ziming Yang, Jian Liang, Chaoyou Fu +2

Heterogeneous Face Recognition (HFR) aims to match faces across different domains (e.g., visible to near-infrared images), which has been widely applied in authentication and foren…

cs.CV2025

VITA: Towards Open-Source Interactive Omni Multimodal LLM

Chaoyou Fu, Haojia Lin, Zuwei Long +16

The remarkable multimodal capabilities and interactive experience of GPT-4o underscore their necessity in practical applications, yet open-source models rarely excel in both areas.…

cs.CV2024

MME-Survey: A Comprehensive Survey on Evaluation of Multimodal LLMs

Chaoyou Fu, Yi-Fan Zhang, Shukang Yin +9

As a prominent direction of Artificial General Intelligence (AGI), Multimodal Large Language Models (MLLMs) have garnered increased attention from both industry and academia. Build…

cs.CL2026

SpeechParaling-Bench: A Comprehensive Benchmark for Paralinguistic-Aware Speech Generation

Ruohan Liu, Shukang Yin, Tao Wang +6

Paralinguistic cues are essential for natural human-computer interaction, yet their evaluation in Large Audio-Language Models (LALMs) remains limited by coarse feature coverage and…

cs.LG2026

MAC: A Conversion Rate Prediction Benchmark Featuring Labels Under Multiple Attribution Mechanisms

Jinqi Wu, Sishuo Chen, Zhangming Chan +9

Multi-attribution learning (MAL), which enhances model performance by learning from conversion labels yielded by multiple attribution mechanisms, has emerged as a promising learnin…

cs.CV2026

ActFER: Agentic Facial Expression Recognition via Active Tool-Augmented Visual Reasoning

Shifeng Liu, Zhengye Zhang, Sirui Zhao +7

Recent advances in Multimodal Large Language Models (MLLMs) have created new opportunities for facial expression recognition (FER), moving it beyond pure label prediction toward re…

cs.CV2025

Aligning Multimodal LLM with Human Preference: A Survey

Tao Yu, Yi-Fan Zhang, Chaoyou Fu +14

Large language models (LLMs) can handle a wide variety of general tasks with simple prompts, without the need for task-specific training. Multimodal Large Language Models (MLLMs),…

cs.CV2025

MME: A Comprehensive Evaluation Benchmark for Multimodal Large Language Models

Chaoyou Fu, Peixian Chen, Yunhang Shen +11

Multimodal Large Language Model (MLLM) relies on the powerful LLM to perform multimodal tasks, showing amazing emergent abilities in recent studies, such as writing poems based on…

cs.CV2026

Tango: Taming Visual Signals for Efficient Video Large Language Models

Shukang Yin, Sirui Zhao, Hanchao Wang +4

Token pruning has emerged as a mainstream approach for developing efficient Video Large Language Models (Video LLMs). This work revisits and advances the two predominant token-prun…

cs.CV2025

MME-VideoOCR: Evaluating OCR-Based Capabilities of Multimodal LLMs in Video Scenarios

Yang Shi, Huanqian Wang, Wulin Xie +20

Multimodal Large Language Models (MLLMs) have achieved considerable accuracy in Optical Character Recognition (OCR) from static images. However, their efficacy in video OCR is sign…

cs.AI2026

BABE: Biology Arena BEnchmark

Junting Zhou, Jin Chen, Linfeng Hao +10

The rapid evolution of large language models (LLMs) has expanded their capabilities from basic dialogue to advanced scientific reasoning. However, existing benchmarks in biology of…

cs.CV2019

Neurons Merging Layer: Towards Progressive Redundancy Reduction for Deep Supervised Hashing

Chaoyou Fu, Liangchen Song, Xiang Wu +2

Deep supervised hashing has become an active topic in information retrieval. It generates hashing bits by the output neurons of a deep hashing network. During binary discretization…

cs.CV2021

Deep Momentum Uncertainty Hashing

Chaoyou Fu, Guoli Wang, Xiang Wu +2

Combinatorial optimization (CO) has been a hot research topic because of its theoretic and practical importance. As a classic CO problem, deep hashing aims to find an optimal code…

cs.CV2026

Video-MME-v2: Towards the Next Stage in Benchmarks for Comprehensive Video Understanding

Chaoyou Fu, Haozhi Yuan, Yuhao Dong +16

With the rapid advancement of video understanding, existing benchmarks are becoming increasingly saturated, exposing a critical discrepancy between inflated leaderboard scores and…

cs.CV2024

MMSearch: Benchmarking the Potential of Large Models as Multi-modal Search Engines

Dongzhi Jiang, Renrui Zhang, Ziyu Guo +11

The advent of Large Language Models (LLMs) has paved the way for AI search engines, e.g., SearchGPT, showcasing a new paradigm in human-internet interaction. However, most current…

cs.CV2025

Sparrow: Data-Efficient Video-LLM with Text-to-Image Augmentation

Shukang Yin, Chaoyou Fu, Sirui Zhao +7

Recent years have seen the success of Multimodal Large Language Models (MLLMs) in the domain of vision understanding. The success of these models can largely be attributed to the d…

cs.CL2025

MM-RLHF: The Next Step Forward in Multimodal LLM Alignment

Yi-Fan Zhang, Tao Yu, Haochen Tian +17

Despite notable advancements in Multimodal Large Language Models (MLLMs), most state-of-the-art models have not undergone thorough alignment with human preferences. This gap exists…

cs.CV2025

BaseReward: A Strong Baseline for Multimodal Reward Model

Yi-Fan Zhang, Haihua Yang, Huanyu Zhang +11

The rapid advancement of Multimodal Large Language Models (MLLMs) has made aligning them with human preferences a critical challenge. Reward Models (RMs) are a core technology for…

cs.CV2025

Long-VITA: Scaling Large Multi-modal Models to 1 Million Tokens with Leading Short-Context Accuracy

Yunhang Shen, Chaoyou Fu, Shaoqi Dong +14

We introduce Long-VITA, a simple yet effective large multi-modal model for long-context visual-language understanding tasks. It is adept at concurrently processing and analyzing mo…

cs.CL2026

PersonaVLM: Long-Term Personalized Multimodal LLMs

Chang Nie, Chaoyou Fu, Yifan Zhang +2

Multimodal Large Language Models (MLLMs) serve as daily assistants for millions. However, their ability to generate responses aligned with individual preferences remains limited. P…

cs.CV2021

CM-NAS: Cross-Modality Neural Architecture Search for Visible-Infrared Person Re-Identification

Chaoyou Fu, Yibo Hu, Xiang Wu +3

Visible-Infrared person re-identification (VI-ReID) aims to match cross-modality pedestrian images, breaking through the limitation of single-modality person ReID in dark environme…

cs.CV2025

MME-CoT: Benchmarking Chain-of-Thought in Large Multimodal Models for Reasoning Quality, Robustness, and Efficiency

Dongzhi Jiang, Renrui Zhang, Ziyu Guo +11

Answering questions with Chain-of-Thought (CoT) has significantly enhanced the reasoning capabilities of Large Language Models (LLMs), yet its impact on Large Multimodal Models (LM…

cs.AI2026

Agentic-MME: What Agentic Capability Really Brings to Multimodal Intelligence?

Qianshan Wei, Yishan Yang, Siyi Wang +12

Multimodal Large Language Models (MLLMs) are evolving from passive observers into active agents, solving problems through Visual Expansion (invoking visual tools) and Knowledge Exp…

cs.AI2025

MME-Reasoning: A Comprehensive Benchmark for Logical Reasoning in MLLMs

Jiakang Yuan, Tianshuo Peng, Yilei Jiang +8

Logical reasoning is a fundamental aspect of human intelligence and an essential capability for multimodal large language models (MLLMs). Despite the significant advancement in mul…

cs.CV2025

VITA-1.5: Towards GPT-4o Level Real-Time Vision and Speech Interaction

Chaoyou Fu, Haojia Lin, Xiong Wang +13

Recent Multimodal Large Language Models (MLLMs) have typically focused on integrating visual and textual modalities, with less emphasis placed on the role of speech in enhancing in…

cs.CV2024

A Survey on Multimodal Large Language Models

Shukang Yin, Chaoyou Fu, Sirui Zhao +4

Recently, Multimodal Large Language Model (MLLM) represented by GPT-4V has been a new rising research hotspot, which uses powerful Large Language Models (LLMs) as a brain to perfor…

cs.CV2026

Benchmarking PhD-Level Coding in 3D Geometric Computer Vision

Wenyi Li, Renkai Luo, Yue Yu +5

AI-assisted coding has rapidly reshaped software practice and research workflows, yet today's models still struggle to produce correct code for complex 3D geometric vision. If mode…

cs.CV2024

Cantor: Inspiring Multimodal Chain-of-Thought of MLLM

Timin Gao, Peixian Chen, Mengdan Zhang +8

With the advent of large language models(LLMs) enhanced by the chain-of-thought(CoT) methodology, visual reasoning problem is usually decomposed into manageable sub-tasks and tackl…

cs.CV2025

HumanVideo-MME: Benchmarking MLLMs for Human-Centric Video Understanding

Yuxuan Cai, Jiangning Zhang, Zhenye Gan +9

Multimodal Large Language Models (MLLMs) have demonstrated significant advances in visual understanding tasks involving both images and videos. However, their capacity to comprehen…

cs.CV2023

Multi-modal Queried Object Detection in the Wild

Yifan Xu, Mengdan Zhang, Chaoyou Fu +4

We introduce MQ-Det, an efficient architecture and pre-training strategy design to utilize both textual description with open-set generalization and visual exemplars with rich desc…

cs.CV2026

VLMEvalKit: An Open-Source Toolkit for Evaluating Large Multi-Modality Models

Haodong Duan, Xinyu Fang, Junming Yang +41

We present VLMEvalKit: an open-source toolkit for evaluating large multi-modality models based on PyTorch. The toolkit aims to provide a user-friendly and comprehensive framework f…

cs.CV2025

Video-MME: The First-Ever Comprehensive Evaluation Benchmark of Multi-modal LLMs in Video Analysis

Chaoyou Fu, Yuhan Dai, Yongdong Luo +18

In the quest for artificial general intelligence, Multi-modal Large Language Models (MLLMs) have emerged as a focal point in recent advancements. However, the predominant focus rem…