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20242026
most citedAdaptive Feature-based Low-Rank Compression of Large Language Models via Bayesian Optimization

2 citations · 4 across the 23 of their papers we have counts for

collaborators

28 papers

cs.CV2026

MVGraph: Benchmarking LVLMs on Evidence Composition across Multi-View Visual Graph

Yingjie Zhu, Han Cheng, Xuefeng Bai +3

We introduce MVGraph, a benchmark for evaluating large vision-language models (LVLMs) on multi-graph reasoning where the evidence required by a query is distributed across multiple…

cs.CL2026

Devils in Question Relay: Source-Conditioned Relay Steering to Mitigate Hallucinations in Audio-visual Large Language Models

Yu Zhang, Pingrui Zhang, Xuefeng Bai +3

Audio-visual large language models (AVLLMs) have made remarkable progress in multimodal understanding and reasoning through interactions among visual, auditory, and linguistic info…

cs.AI2026

GUITAR: Structured Failure Diagnosis of GUI Agents via State Transitions

Shaoqing Zhang, Kehai Chen, Xuefeng Bai +4

Understanding where and why Graphical User Interface (GUI) agents fail is essential for building more reliable systems, yet current evaluation relies on step accuracy, a metric tha…

cs.CL2026

DualAnchor: Preserving Language Priors and Improving Lexical Fidelity in Gloss-Free Sign Language Translation

Hongbin Zhang, Junhao Liu, Xuefeng Bai +3

Recent advances in large language models (LLMs) have led sign language translation (SLT), the task of converting sign-language videos into spoken-language text, to increasingly ado…

cs.LG2026

Tailoring Teaching to Aptitude: Direction-Adaptive Self-Distillation for LLM Reasoning

Hongbin Zhang, Chaozheng Wang, Kehai Chen +4

On-policy self-distillation (OPSD) is an emerging LLM post-training paradigm in which the model serves as its own teacher: conditioned on privileged information such as a reference…

cs.CV2026

Mitigating Multimodal Hallucination via Phase-wise Self-reward

Yu Zhang, Chuyang Sun, Kehai Chen +3

Large Vision-Language Models (LVLMs) still struggle with vision hallucination, where generated responses are inconsistent with the visual input. Existing methods either rely on lar…

cs.CL2026

When Is Thinking Enough? Early Exit via Sufficiency Assessment for Efficient Reasoning

Yang Xiang, Yixin Ji, Ruotao Xu +4

Large reasoning models (LRMs) have achieved remarkable performance in complex reasoning tasks, driven by their powerful inference-time scaling capability. However, LRMs often suffe…

cs.CL2026

Mitigating Translationese Bias in Multilingual LLM-as-a-Judge via Disentangled Information Bottleneck

Hongbin Zhang, Kehai Chen, Xuefen Bai +4

Large language models (LLMs) have become a standard for multilingual evaluation, yet they exhibit a severe systematic translationese bias. In this paper, translationese bias is cha…

cs.CL2026

Instruction Anchor: Dissecting the Mechanistic Dynamics of Modality Arbitration

Yu Zhang, Mufan Xu, Xuefeng Bai +4

Modality following is the ability to selectively leverage multimodal contexts based on user instructions. It is fundamental to the safety and reliability of multimodal large langua…

cs.CV2026

Decoupling Skeleton and Flesh: Efficient Multimodal Table Reasoning with Disentangled Alignment and Structure-aware Guidance

Yingjie Zhu, Xuefeng Bai, Kehai Chen +4

Reasoning over table images remains challenging for Large Vision-Language Models (LVLMs) due to complex layouts and tightly coupled structure-content information. Existing solution…

cs.CV2026

VC-Bench: Pioneering the Video Connecting Benchmark with a Dataset and Evaluation Metrics

Zhiyu Yin, Zhipeng Liu, Kehai Chen +5

While current video generation focuses on text or image conditions, practical applications like video editing and vlogging often need to seamlessly connect separate clips. In our w…

cs.CL2025

Think Before You Prune: Selective Self-Generated Calibration for Pruning Large Reasoning Models

Yang Xiang, Yixin Ji, Juntao Li +1

Large Reasoning Models (LRMs) have demonstrated remarkable performance on complex reasoning benchmarks. However, their long chain-of-thought reasoning processes incur significant i…

cs.CL2025

Evaluating and Improving Cultural Awareness of Reward Models for LLM Alignment

Hongbin Zhang, Kehai Chen, Xuefeng Bai +2

Reward models (RMs) are crucial for aligning large language models (LLMs) with diverse cultures. Consequently, evaluating their cultural awareness is essential for further advancin…

cs.CV2025

Beyond the Vision Encoder: Identifying and Mitigating Spatial Bias in Large Vision-Language Models

Yingjie Zhu, Xuefeng Bai, Kehai Chen +6

Large Vision-Language Models (LVLMs) have achieved remarkable success across a wide range of multimodal tasks, yet their robustness to spatial variations remains insufficiently und…

cs.CL2025★ 1 cited

KaLM-Embedding-V2: Superior Training Techniques and Data Inspire A Versatile Embedding Model

Xinping Zhao, Xinshuo Hu, Zifei Shan +14

Recent advancements in Large Language Models (LLMs)-based text embedding models primarily focus on data scaling or synthesis, yet limited exploration of training techniques and dat…

cs.AI2025

XBOUND: Exploring Capability Boundaries of Device-Control Agents at the State Level

Shaoqing Zhang, Kehai Chen, Zhuosheng Zhang +4

Recent advancements in vision-language models have increased interest in Device-Control Agents (DC agents) for managing graphical user interfaces (GUIs). With the growing complexit…

cs.CL2025

Evaluating and Steering Modality Preferences in Multimodal Large Language Model

Yu Zhang, Jinlong Ma, Yongshuai Hou +5

Multi-modal large language models (MLLMs) have achieved remarkable success on complex multi-modal tasks. However, it remains insufficiently explored whether they exhibit $\textbf{m…

cs.CV2025

A Survey: Spatiotemporal Consistency in Video Generation

Zhiyu Yin, Kehai Chen, Xuefeng Bai +7

Video generation aims to produce temporally coherent sequences of visual frames, representing a pivotal advancement in Artificial Intelligence Generated Content (AIGC). Compared to…

cs.CL2025

Exploring the Translation Mechanism of Large Language Models

Hongbin Zhang, Kehai Chen, Xuefeng Bai +3

While large language models (LLMs) demonstrate remarkable success in multilingual translation, their internal core translation mechanisms, even at the fundamental word level, remai…

cs.CL2024

Benchmarking and Improving Large Vision-Language Models for Fundamental Visual Graph Understanding and Reasoning

Yingjie Zhu, Xuefeng Bai, Kehai Chen +3

Large Vision-Language Models (LVLMs) have demonstrated remarkable performance across diverse tasks. Despite great success, recent studies show that LVLMs encounter substantial limi…

cs.CL2024

LinguaLIFT: An Effective Two-stage Instruction Tuning Framework for Low-Resource Language Reasoning

Hongbin Zhang, Kehai Chen, Xuefeng Bai +2

Large language models (LLMs) have exhibited impressive multilingual reasoning capabilities, driven by extensive multilingual pre-training corpora and instruction fine-tuning data.…

cs.CL2024

Beware of Calibration Data for Pruning Large Language Models

Yixin Ji, Yang Xiang, Juntao Li +5

As large language models (LLMs) are widely applied across various fields, model compression has become increasingly crucial for reducing costs and improving inference efficiency. P…

cs.CL2024

LLM-based Translation Inference with Iterative Bilingual Understanding

Andong Chen, Kehai Chen, Yang Xiang +5

The remarkable understanding and generation capabilities of large language models (LLMs) have greatly improved translation performance. However, incorrect understanding of the sent…

cs.CL2024

TF-Attack: Transferable and Fast Adversarial Attacks on Large Language Models

Zelin Li, Kehai Chen, Lemao Liu +4

With the great advancements in large language models (LLMs), adversarial attacks against LLMs have recently attracted increasing attention. We found that pre-existing adversarial a…