activity
20232026
most citedDescribe Anything in Medical Images

2 citations · 8 across the 30 of their papers we have counts for

collaborators

41 papers

cs.SE2026

Where Should a Stuck Agent Spend Its Next Tokens? Causal Attribution of Inference-Time Resources

Saiyue Lyu, Jerrold Huang, Yunbei Zhang +4

Inference-time scaling is often treated as a token-budget problem, but a failed coding agent can seek qualitatively different resources: computation, information, or feedback. We i…

cs.RO2026

Simple Agentic Memory for Generalist Robot Policies

Yuyou Zhang, Yunbei Zhang, Miao Li +4

Visual-memory systems commonly retain or compress past observations. Robot control additionally requires interaction-derived state that no individual frame may explicitly represent…

cs.CV2026

How Medical VLMs Underutilize Their Vision Encoders: A Dermatology Perspective

Janet Wang, Yunbei Zhang, Xiao Wang +1

Medical Vision-Language Models (VLMs) show significant promise for clinical image understanding, offering accurate diagnosis with interpretable reasoning. However, a critical perfo…

cs.RO2026

LIBERO-MAX: Do Robot Policies Adapt When the World Changes?

Yunbei Zhang, Zijian Jin, Yuanzhe Liu +14

Robots must often continue a task after a target moves, the viewpoint shifts, or an obstacle appears, even though their earlier observations and committed actions reflect the previ…

cs.LG2026

A Survey on Self-Improving Test-Time Intelligence: Feedback-Driven Adapting, Learning, and Scaling at Inference

Shuaicheng Niu, Guohao Chen, Yaofo Chen +14

The ability of AI systems to improve their behavior during deployment is becoming increasingly important. As inference moves beyond the static execution of a fixed trained model, a…

cs.CV2026

Dynamic Hub-and-Spoke Memory for Streaming Video Understanding

Xinru Jiang, Lin Zhao, Xi Xiao +7

Streaming video understanding requires answering questions at arbitrary times over a continuously growing visual stream. The central challenge is to compactly remember long-range h…

cs.CV2026

Towards Continual Test-Time Adaptation of Vision-Language Models in Open-Vocabulary Semantic Segmentation

Chandler Timm C. Doloriel, Yunbei Zhang, Sarthak Kumar Maharana +5

Open-vocabulary semantic segmentation (OVSS) relies on vision-language alignment to recognize arbitrary text-defined categories, yet this alignment is fragile under continual test-…

cs.CV2026

Continual Test-Time Adaptation via Entropy Sensitivity-Guidance in Strict Online Setting

Chandler Timm C. Doloriel, Yunbei Zhang, Muhammad Salman Siddiqui +4

Test-time adaptation (TTA) promises robustness under distribution shift by updating a pretrained model on unlabeled test data, but strict online TTA with batch size one and no acce…

cs.CV2026

Continual Test-Time Adaptation in Computer Vision: Methods, Benchmarks, and Future Directions

Sarthak Kumar Maharana, Shambhavi Mishra, Yunbei Zhang +6

Deep neural nets achieve remarkable performance when training and test data share the same distribution, but this assumption frequently breaks in real-world deployment, where data…

cs.CV2026

Adapting Vision Foundation Models with Cascaded Semantics

Xi Xiao, Xingjian Li, Cheng Han +8

Prompt tuning, a leading parameter-efficient adaptation paradigm in NLP, has recently been extended to computer vision. Visual prompt tuning (VPT) adapts pre-trained vision transfo…

cs.CV2026

Rethinking Layer-Wise Information Allocation for Vision Foundation Model Adaptation

Yuqi Li, Xi Xiao, Yunbei Zhang +6

Vision foundation models are increasingly reused as frozen backbones for downstream visual recognition, making parameter-efficient adaptation a central problem. Prompt-based adapta…

cs.LG2026

Less Tokens, Better Forecasts: Sparse Residual Routing for Efficient Weather Prediction

Janet Wang, Yunbei Zhang, Lin Zhao +3

Existing ViT-based weather forecasting models apply uniform computation across all spatial tokens, even though nearby atmospheric grid points often contain similar values and large…

q-bio.BM2026

Structure-Regularized Interpretable TCR-Epitope Prediction

Jiarui Li, Zixiang Yin, Yunbei Zhang +4

T cell receptor (TCR)-epitope binding prediction is essential for understanding adaptive immunity and developing immunotherapies. Existing sequence- and structure-based models ofte…

cs.CV2026

Staying VIGILant: Mitigating Visual Laziness via Counterfactual Visual Alignment in MLLMs

Xi Xiao, Chen Liu, Chih-Ting Liao +9

Multimodal large language models (MLLMs) extend large language models (LLMs) with visual perception, enabling joint reasoning over images and text. Despite inheriting strong reason…

cs.CV2026

Layer-Specific Prompt Fusion Discovery via Differentiable Search in Vision Foundation Models

Xi Xiao, Xingjian Li, Yunbei Zhang +7

Visual prompt tuning has emerged as a parameter-efficient fine-tuning approach for adapting large-scale Vision Transformers (ViTs) to downstream tasks. As its learnable prompts are…

cs.CR2026

One Skill, Two Masters: Serving Users and Attackers through Skill Injection

Haochang Hao, Dehai Min, Zhifang Zhang +5

Large language model agents use skills that package reusable instructions, code, and resources. Existing skill-injection attacks exploit trust in these packages by adding malicious…

cs.LG2026

EVA-0: Test-Time Model Evolution with Only Two Forward Passes per Sample

Guohao Chen, Shuaicheng Niu, Geng Li +4

Test-time model evolution offers a promising way for deployed models to improve from unlabeled test-time experience, yet most existing methods depend on backpropagation (BP), which…

cs.AI2026

Stop Comparing LLM Agents Without Disclosing the Harness

Yunbei Zhang, Janet Wang, Yingqiang Ge +3

This position paper argues that, for long-horizon tasks evaluated across models with comparable frontier capability, the agent execution harness, namely the infrastructure layer th…

cs.CV2026

Not All Directions Matter: Towards Structured and Task-Aware Low-Rank Model Adaptation

Xi Xiao, Chenrui Ma, Yunbei Zhang +7

Low-Rank Adaptation (LoRA) has become a cornerstone of parameter-efficient fine-tuning (PEFT). Yet, its efficacy is hampered by two fundamental limitations: semantic drift, by trea…

cs.LG2026

Adapting in the Dark: Efficient and Stable Test-Time Adaptation for Black-Box Models

Yunbei Zhang, Shuaicheng Niu, Chengyi Cai +2

Test-Time Adaptation (TTA) for black-box models accessible only via APIs remains a largely unexplored challenge. Existing approaches such as post-hoc output refinement offer limite…

cs.AI2026★ 1 cited

ClawSafety: "Safe" LLMs, Unsafe Agents

Bowen Wei, Yunbei Zhang, Jinhao Pan +5

Personal AI agents like OpenClaw run with elevated privileges on users' local machines, where a single successful prompt injection can leak credentials, redirect financial transact…

cs.CV2026

Prime Once, then Reprogram Locally: An Efficient Alternative to Black-Box Service Model Adaptation

Yunbei Zhang, Chengyi Cai, Feng Liu +1

Adapting closed-box service models (i.e., APIs) for target tasks typically relies on reprogramming via Zeroth-Order Optimization (ZOO). However, this standard strategy is known for…

cs.CV2026

Wan-R1: Verifiable-Reinforcement Learning for Video Reasoning

Ming Liu, Yunbei Zhang, Shilong Liu +2

Video generation models produce visually coherent content but struggle with tasks requiring spatial reasoning and multi-step planning. Reinforcement learning (RL) offers a path to…

cs.CV2026

Seeing Clearly, Reasoning Confidently: Plug-and-Play Remedies for Vision Language Model Blindness

Xin Hu, Haomiao Ni, Yunbei Zhang +3

Vision language models (VLMs) have achieved remarkable success in broad visual understanding, yet they remain challenged by object-centric reasoning on rare objects due to the scar…