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Yiheng Xu

14 accepted papers

2026

How Many Code and Test Cases Are Enough? Evaluating Test Cases Generation from a Binary-Matrix Perspective

ICLR 2026poster

Code evaluation and reinforcement learning rely critically on test cases. However, collecting golden test cases is hard and expensive, motivating the use of LLMs for automatic test case generation. This, in turn, raises a pivotal challenge: how can we rigorously evaluate the quality of the generated…

Cited by 0SourcecodeScholar
2026

VideoAgentTrek: Computer-Use Pretraining from Unlabeled Videos

ICLR 2026poster

Training computer-use agents requires massive amounts of GUI interaction data, but manually annotating action trajectories at scale is prohibitively expensive. We present VideoAgentTrek, a scalable pipeline that automatically mines training data from publicly available screen-recorded videos, elimin…

Cited by 0SourcecodeScholar
2025

AgentTrek: Agent Trajectory Synthesis via Guiding Replay with Web Tutorials

ICLR 2025spotlight

Graphical User Interface (GUI) agents hold great potential for automating complex tasks across diverse digital environments, from web applications to desktop software. However, the development of such agents is hindered by the lack of high-quality, multi-step trajectory data required for effective t…

Cited by 11SourcePDFScholar
2025

Aguvis: Unified Pure Vision Agents for Autonomous GUI Interaction

ICML 2025poster

Automating GUI tasks remains challenging due to reliance on textual representations, platform-specific action spaces, and limited reasoning capabilities. We introduce Aguvis, a unified vision-based framework for autonomous GUI agents that directly operates on screen images, standardizes cross-platfo…

2025

OpenCUA: Open Foundations for Computer-Use Agents

NeurIPS 2025spotlight

Vision-language models have demonstrated impressive capabilities as computer-use agents (CUAs) capable of automating diverse computer tasks. As their commercial potential grows, critical details of the most capable CUA systems remain closed. As these agents will increasingly mediate digital interact…

Cited by 0SourceScholar
2025

Scaling Computer-Use Grounding via User Interface Decomposition and Synthesis

NeurIPS 2025spotlight

Graphical user interface (GUI) grounding, the ability to map natural language instructions to specific actions on graphical user interfaces, remains a critical bottleneck in computer use agent development. Current benchmarks oversimplify grounding tasks as short referring expressions, failing to ca…

Cited by 0SourcecodeScholar
2024

Lemur: Harmonizing Natural Language and Code for Language Agents

ICLR 2024spotlight

We introduce Lemur and Lemur-Chat, openly accessible language models optimized for both natural language and coding capabilities to serve as the backbone of versatile language agents. The evolution from language chat models to functional language agents demands that models not only master human inte…

2024

OSWorld: Benchmarking Multimodal Agents for Open-Ended Tasks in Real Computer Environments

NeurIPS 2024poster

Autonomous agents that accomplish complex computer tasks with minimal human interventions have the potential to transform human-computer interaction, significantly enhancing accessibility and productivity. However, existing benchmarks either lack an interactive environment or are limited to environm…

2022

MarkupLM: Pre-training of Text and Markup Language for Visually Rich Document Understanding

ACL 2022long

Multimodal pre-training with text, layout, and image has made significant progress for Visually Rich Document Understanding (VRDU), especially the fixed-layout documents such as scanned document images. While, there are still a large number of digital documents where the layout information is not fi…

2022

XFUND: A Benchmark Dataset for Multilingual Visually Rich Form Understanding

ACL 2022findings

Multimodal pre-training with text, layout, and image has achieved SOTA performance for visually rich document understanding tasks recently, which demonstrates the great potential for joint learning across different modalities. However, the existed research work has focused only on the English domain…

2021

LayoutLMv2: Multi-modal Pre-training for Visually-rich Document Understanding

ACL 2021long

Pre-training of text and layout has proved effective in a variety of visually-rich document understanding tasks due to its effective model architecture and the advantage of large-scale unlabeled scanned/digital-born documents. We propose LayoutLMv2 architecture with new pre-training tasks to model t…

2021

LayoutReader: Pre-training of Text and Layout for Reading Order Detection

EMNLP 2021main

Reading order detection is the cornerstone to understanding visually-rich documents (e.g., receipts and forms). Unfortunately, no existing work took advantage of advanced deep learning models because it is too laborious to annotate a large enough dataset. We observe that the reading order of WORD do…

2020

DocBank: A Benchmark Dataset for Document Layout Analysis

COLING 2020main

Document layout analysis usually relies on computer vision models to understand documents while ignoring textual information that is vital to capture. Meanwhile, high quality labeled datasets with both visual and textual information are still insufficient. In this paper, we present DocBank, a benchm…