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Xiaotong Chen

11 accepted papers

2025

ACECODER: Acing Coder RL via Automated Test-Case Synthesis

ACL 2025long

Most progress in recent coder models has been driven by supervised fine-tuning (SFT), while the potential of reinforcement learning (RL) remains largely unexplored, primarily due to the lack of reliable reward data/model in the code domain. In this paper, we address this challenge by leveraging auto…

Cited by 0SourcePDFScholar
2025

EditRoom: LLM-parameterized Graph Diffusion for Composable 3D Room Layout Editing

ICLR 2025poster

Given the steep learning curve of professional 3D software and the time- consuming process of managing large 3D assets, language-guided 3D scene editing has significant potential in fields such as virtual reality, augmented reality, and gaming. However, recent approaches to language-guided 3D scene…

Cited by 0SourcePDFScholar
2022

ClearPose: Large-Scale Transparent Object Dataset and Benchmark

ECCV 2022poster

"Transparent objects are ubiquitous in household settings and pose distinct challenges for visual sensing and perception systems. The optical properties of transparent objects leaves conventional 3D sensors alone unreliable for object depth and pose estimation. These challenges are highlighted by th…

2022

Composable Causality in Semantic Robot Programming

ICRA 2022poster

Assembly tasks are challenging for robot manipulation because the robot must reason over the composed effects of actions and execute multi-objective behaviors. Robots typically use predefined priorities provided by users to determine how to compose controller behaviors, but we want the robot to auto…

Cited by 2SourceScholar
2022

ProgressLabeller: Visual Data Stream Annotation for Training Object-Centric 3D Perception

IROS 2022poster

Visual perception tasks often require vast amounts of labelled data, including 3D poses and image space segmen-tation masks. The process of creating such training data sets can prove difficult or time-intensive to scale up to efficacy for general use. Consider the task of pose estimation for rigid o…

Cited by 9SourcecodeScholar
2022

VLMbench: A Compositional Benchmark for Vision-and-Language Manipulation

NeurIPS 2022accept

Benefiting from language flexibility and compositionality, humans naturally intend to use language to command an embodied agent for complex tasks such as navigation and object manipulation. In this work, we aim to fill the blank of the last mile of embodied agents---object manipulation by following…

Cited by 66SourcePDFScholar
2020

LIT: Light-Field Inference of Transparency for Refractive Object Localization

RA-L 2020

Translucency is prevalent in everyday scenes. As such, perception of transparent objects is essential for robots to perform manipulation. Compared with texture-rich or texture-less Lambertian objects, transparency induces significant uncertainty on object appearances. Ambiguity can be due to changes

Cited by 22SourceScholar
2019

GRIP: Generative Robust Inference and Perception for Semantic Robot Manipulation in Adversarial Environments

IROS 2019poster

Recent advancements have led to a proliferation of machine learning systems used to assist humans in a wide range of tasks. However, we are still far from accurate, reliable, and resource-efficient operations of these systems. For robot perception, convolutional neural networks (CNNs) for object det…

Cited by 38SourceScholar
2017

A two-level approach for solving the inverse kinematics of an extensible soft arm considering viscoelastic behavior

ICRA 2017poster

Soft compliant materials and novel actuation mechanisms ensure flexible motions and high adaptability for soft robots, but also increase the difficulty and complexity of constructing control systems. In this work, we provide an efficient control algorithm for a multi-segment extensible soft arm in 2…

Cited by 72SourceScholar
2017

Model-free control for soft manipulators based on reinforcement learning

IROS 2017poster

Most control methods of soft manipulators are developed based on physical models derived from mathematical analysis or learning methods. However, due to internal nonlinearity and external uncertain disturbances, it is difficult to build an accurate model, further, these methods lack robustness and p…

Cited by 79SourceScholar
2017

Model-less feedback control for soft manipulators

IROS 2017poster

Soft manipulators have been a rising focus of soft robotics research. Taking advantage of soft materials and flexible, continuous movements, they have promising applicable prospect. However, their highly internal nonlinearity and unpredictable deformation caused by environmental effects make it diff…

Cited by 33SourceScholar