activity
20242026
most citedAdapting to Distribution Shift by Visual Domain Prompt Generation

2 citations · 4 across the 15 of their papers we have counts for

collaborators

17 papers

cs.LG2026

One Rollout Is All You Get: Fully Test-Time Adaptation for GUI Agents

Ziqiang Wang, Li Gu, Zhixiang Chi +6

GUI agents are deployed with frozen weights and discard everything they experience on the job. Existing ways to update an agent's weights assume something deployment withholds: gro…

cs.CV2026

From Visual Widgets to UI Code: Efficient Tool-Grounded Generation

Houston H. Zhang, Tao Zhang, Li Gu +5

Existing screenshot-to-code systems face a trade-off between flexibility and controllability. Direct multimodal generation can hallucinate visible details, whereas structured pipel…

cs.AI2026

CoAdapt-GUI: Joint Workflow Context and Policy Adaptation for Unseen GUI Applications

Linqiang Guo, Li Gu, Zihuan Jiang +8

Mobile GUI agents remain brittle when deployed to applications absent from source training. We study novel-app generalization under a limited target interaction budget and without…

cs.AI2026

Benchmarking LLM Judges for Mobile Agent Evaluation

Ziqiang Wang, Li Gu, Zhixiang Chi +4

Mobile agent benchmarks increasingly rely on LLM-based judges to evaluate task completion, yet the reliability of these judges on mobile agent trajectories remains largely unexamin…

cs.AI2026

Q-Reflector: Learning GUI Action Reflection with Generated Conditions

Linqiang Guo, Wei Liu, Li Gu +3

Mobile GUI agents require accurate action reflection for reliable long-horizon execution, assessing whether each action was successfully executed and whether its outcome constitute…

cs.CV2026

DA-MergeLoRA: Hypernetwork-Based LoRA Merging for Few-Shot Test-Time Domain Adaptation

Siobhan Reid, Zhixiang Chi, Li Gu +3

Few-shot Test-Time Domain Adaptation (FSTT-DA) seeks to adapt models to novel domains using only a handful of unlabeled target samples. This setting is more realistic than typical…

cs.SE2026

Beyond the GUI Paradigm: Do Mobile Agents Need the Phone Screen?

Li Gu, Zihuan Jiang, Linqiang Guo +6

Recent advances in mobile agents are dominated by the GUI paradigm, in which agents perceive UI information and emit screen interactions. However, mobile platforms also expose a co…

cs.AI2026

ETR: Entropy Trend Reward for Efficient Chain-of-Thought Reasoning

Xuan Xiong, Huan Liu, Li Gu +4

Chain-of-thought (CoT) reasoning improves large language model performance on complex tasks, but often produces excessively long and inefficient reasoning traces. Existing methods…

cs.CV2026

Generalization in Online Reinforcement Learning for Mobile Agents

Li Gu, Zihuan Jiang, Zhixiang Chi +5

Graphical user interface (GUI)-based mobile agents automate digital tasks on mobile devices by interpreting natural-language instructions and interacting with the screen. While rec…

cs.CV2025

Widget2Code: From Visual Widgets to UI Code via Multimodal LLMs

Houston H. Zhang, Tao Zhang, Baoze Lin +10

User interface to code (UI2Code) aims to generate executable code that can faithfully reconstruct a given input UI. Prior work focuses largely on web pages and mobile screens, leav…

cs.CV2025

PointMAC: Meta-Learned Adaptation for Robust Test-Time Point Cloud Completion

Linlian Jiang, Rui Ma, Li Gu +3

Point cloud completion is essential for robust 3D perception in safety-critical applications such as robotics and augmented reality. However, existing models perform static inferen…

cs.CV2025

Plug-in Feedback Self-adaptive Attention in CLIP for Training-free Open-Vocabulary Segmentation

Zhixiang Chi, Yanan Wu, Li Gu +5

CLIP exhibits strong visual-textual alignment but struggle with open-vocabulary segmentation due to poor localization. Prior methods enhance spatial coherence by modifying intermed…

cs.LG2025

Learning to Adapt Frozen CLIP for Few-Shot Test-Time Domain Adaptation

Zhixiang Chi, Li Gu, Huan Liu +4

Few-shot Test-Time Domain Adaptation focuses on adapting a model at test time to a specific domain using only a few unlabeled examples, addressing domain shift. Prior methods lever…

cs.CV2025★ 1 cited

MetaWriter: Personalized Handwritten Text Recognition Using Meta-Learned Prompt Tuning

Wenhao Gu, Li Gu, Ching Yee Suen +1

Recent advancements in handwritten text recognition (HTR) have enabled the effective conversion of handwritten text to digital formats. However, achieving robust recognition across…

cs.CV2025★ 1 cited

DocTTT: Test-Time Training for Handwritten Document Recognition Using Meta-Auxiliary Learning

Wenhao Gu, Li Gu, Ziqiang Wang +2

Despite recent significant advancements in Handwritten Document Recognition (HDR), the efficient and accurate recognition of text against complex backgrounds, diverse handwriting s…

cs.LG2024

Distribution Alignment for Fully Test-Time Adaptation with Dynamic Online Data Streams

Ziqiang Wang, Zhixiang Chi, Yanan Wu +4

Given a model trained on source data, Test-Time Adaptation (TTA) enables adaptation and inference in test data streams with domain shifts from the source. Current methods predomina…

cs.CV2024★ 2 cited

Adapting to Distribution Shift by Visual Domain Prompt Generation

Zhixiang Chi, Li Gu, Tao Zhong +4

In this paper, we aim to adapt a model at test-time using a few unlabeled data to address distribution shifts. To tackle the challenges of extracting domain knowledge from a limite…