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Tianyu Li

50 accepted papers

2026

Flow with the Force Field: Learning 3D Compliant Flow Matching Policies from Force and Demonstration-Guided Simulation Data

ICRA 2026poster

While visuomotor policy has made advancements in recent years, contact-rich tasks still remain a challenge. Robotic manipulation tasks that require continuous contact demand explicit handling of compliance and force. However, most visuomotor policies ignore compliance, overlooking the importance of …

2026

PlannerRFT: Reinforcing Diffusion Planners through Closed-Loop and Sample-Efficient Fine-Tuning

CVPR 2026

Diffusion-based planners have emerged as a promising approach for human-like trajectory generation in autonomous driving. Recent works incorporate reinforcement fine-tuning to enhance the robustness of diffusion planners through reward-oriented optimization in a generation-evaluation loop. However,

Cited by 0SourceScholar
2026

Seeing Beyond Illusion: Generalized and Efficient Mirror Detection

AAAI 2026technical

Reflective imaging enables the mirror imagings and physical entities to possess identical attributes, e.g., color and shape. Current mirror detection (MD) methods primarily rely on designing functional components to establish the correlation and disparities between the imagings and entities, thereby

Cited by 0SourcePDFScholar
2026

SiameseNorm: Breaking the Barrier to Reconciling Pre/Post-Norm

ICML 2026poster

Modern Transformers predominantly adopt the Pre-Norm paradigm for its optimization stability, foregoing the superior potential of the unstable Post-Norm architecture. Prior attempts to combine their strengths typically lead to a stability-performance trade-off. We attribute this phenomenon to a stru…

Cited by 0SourceScholar
2026

SimScale: Learning to Drive via Real-World Simulation at Scale

CVPR 2026

Achieving fully autonomous driving systems requires learning rational decisions in a wide span of scenarios, including safety-critical and out-of-distribution ones. However, such cases are underrepresented in real-world corpus collected by human experts. To complement for the lack of data diversity,

Cited by 0SourcecodeScholar
2026

Unlocking In-the-Wild Loco-Manipulation with Robot-Free Egocentric Demonstration

RSS 2026poster

Human demonstrations offer rich environmental diversity and scale naturally, making them an appealing alternative to robot teleoperation. While this paradigm has advanced robot-arm manipulation, its potential for the more challenging, data-hungry problem of humanoid loco-manipulation remains largely…

Cited by 0SourceScholar
2026

VLMgineer: Vision-Language Models as Robotic Toolsmiths

ICLR 2026poster

Tool design and use reflect the ability to understand and manipulate the physical world through creativity, planning, and foresight. As such, it is often regarded as a measurable indicator of cognitive intelligence across biological species. While much of today’s research on robotics intelligence fo…

Cited by 0SourcecodeScholar
2025

Decoupled Diffusion Sparks Adaptive Scene Generation

ICCV 2025poster

Controllable scene generation could reduce the cost of diverse data collection substantially for autonomous driving. Prior works formulate the traffic layout generation as a predictive progress, either by denoising entire sequences at once or by iteratively predicting the next frame. However, full s…

Cited by 0SourcePDFScholar
2025

Elastic Motion Policy: An Adaptive Dynamical System for Robust and Efficient One-Shot Imitation Learning

IROS 2025

Behavior cloning (BC) has become a staple imitation learning paradigm in robotics due to its ease of teaching robots complex skills directly from expert demonstrations. However, BC suffers from an inherent generalization issue. To solve this, the status quo solution is to gather more data. Yet, rega

Cited by 6SourcecodeScholar
2025

GAPO: Learning Preferential Prompt through Generative Adversarial Policy Optimization

ACL 2025long

Recent advances in large language models have highlighted the critical need for precise control over model outputs through predefined constraints. While existing methods attempt to achieve this through either direct instruction-response synthesis or preferential response optimization, they often str…

2025

GraphGPT: Generative Pre-trained Graph Eulerian Transformer

ICML 2025poster

We introduce *GraphGPT*, a novel self-supervised *generative pre-trained* model for graph learning based on the *Graph Eulerian Transformer* (**GET**). First, we propose **GET**, which combines a standard transformer encoder or decoder architecture with an innovative graph-to-sequence transformation…

2025

Hybrid Boundary Physics-Informed Neural Networks for Solving Navier-Stokes Equations with Complex Boundary

NeurIPS 2025poster

Physics-informed neural networks (PINN) have achieved notable success in solving partial differential equations (PDE), yet solving the Navier-Stokes equations (NSE) with complex boundary conditions remains a challenging task. In this paper, we introduce a novel Hybrid Boundary PINN (HB-PINN) method…

Cited by 0SourceScholar
2025

Implicit Counterfactual Learning for Audio-Visual Segmentation

ICCV 2025poster

Audio-visual segmentation (AVS) aims to segment objects in videos based on audio cues. Existing AVS methods are primarily designed to enhance interaction efficiency but pay limited attention to modality representation discrepancies and imbalances. To overcome this, we propose the implicit counterfac…

Cited by 0SourcePDFScholar
2025

LLM-GAN: Constructing Generative Adversarial Network Through Large Language Models for Explainable Fake News Detection

ICASSP 2025accepted

Explainable fake news detection predicts the authenticity of news items with annotated explanations. Today, Large Language Models (LLMs) are known for their powerful natural language understanding and explanation generation abilities. However, using LLMs for explainable fake news detection remains t…

Cited by 0SourceScholar
2025

MORF: Magnetic Origami Reprogramming and Folding System for Repeatably Reconfigurable Structures with Fold Angle Control

ICRA 2025

We present the Magnetic Origami Reprogram-ming and Folding System (MORF), a magnetically repro-grammable system capable of precise shape control, repeated transformations, and adaptive functionality for robotic applications. Unlike current self-folding systems, which often lack re-programmability or

Cited by 1SourceScholar
2025

Out-of-Distribution Recovery with Object-Centric Keypoint Inverse Policy for Visuomotor Imitation Learning

IROS 2025

We propose an object-centric recovery (OCR) framework to address the challenges of out-of-distribution (OOD) scenarios in visuomotor policy learning. Previous behavior cloning (BC) methods rely heavily on a large amount of labeled data coverage, failing in unfamiliar spatial states. Without relying

Cited by 5SourceScholar
2025

Pseudo-Simulation for Autonomous Driving

CoRL 2025poster

Existing evaluation paradigms for Autonomous Vehicles (AVs) face critical limitations. Real-world evaluation is often challenging due to safety concerns and a lack of reproducibility, whereas closed-loop simulation can face insufficient realism or high computational costs. Open-loop evaluation, whil…

Cited by 0SourcecodeScholar
2025

TopoPoint: Enhance Topology Reasoning via Endpoint Detection in Autonomous Driving

NeurIPS 2025poster

Topology reasoning, which unifies perception and structured reasoning, plays a vital role in understanding intersections for autonomous driving. However, its performance heavily relies on the accuracy of lane detection, particularly at connected lane endpoints. Existing methods often suffer from lan…

Cited by 9SourcecodeScholar
2024

AAMDM: Accelerated Auto-regressive Motion Diffusion Model

CVPR 2024poster

Interactive motion synthesis is essential in creating immersive experiences in entertainment applications such as video games and virtual reality. However generating animations that are both high-quality and contextually responsive remains a challenge. Traditional techniques in the game industry can…

Cited by 5SourcePDFScholar
2024

Constrained Passive Interaction Control: Leveraging Passivity and Safety for Robot Manipulators

ICRA 2024poster

Passivity is necessary for robots to fluidly collaborate and interact with humans physically. Nevertheless, due to the unconstrained nature of passivity-based impedance control laws, the robot is vulnerable to infeasible and unsafe configurations upon physical perturbations. In this paper, we propos…

Cited by 1SourceScholar
2024

Constraint-Aware Intent Estimation for Dynamic Human-Robot Object Co-Manipulation

RSS 2024poster

Constraint-aware estimation of human intent is essential for robots to physically collaborate and interact with humans. Further, to achieve fluid collaboration in dynamic tasks intent estimation should be achieved in real-time. In this paper, we present a framework that combines online estimation an…

2024

CrossLoco: Human Motion Driven Control of Legged Robots via Guided Unsupervised Reinforcement Learning

ICLR 2024poster

Human motion driven control (HMDC) is an effective approach for generating natural and compelling robot motions while preserving high-level semantics. However, establishing the correspondence between humans and robots with different body structures is not straightforward due to the mismatches in kin…

Cited by 9SourcePDFScholar
2024

Directionality-Aware Mixture Model Parallel Sampling for Efficient Linear Parameter Varying Dynamical System Learning

RA-L 2024

The Linear Parameter Varying Dynamical System (LPV-DS) is an effective approach that learns stable, time-invariant motion policies using statistical modeling and semi-definite optimization to encode complex motions for reactive robot control. Despite its strengths, the LPV-DS learning approach faces

Cited by 4SourcecodeScholar
2024

Embodied Understanding of Driving Scenarios

ECCV 2024poster

"Embodied scene understanding serves as the cornerstone for autonomous agents to perceive, interpret, and respond to open driving scenarios. Such understanding is typically founded upon Vision-Language Models (VLMs). Nevertheless, existing VLMs are restricted to the 2D domain, devoid of spatial awar…

2024

Fully Sparse 3D Occupancy Prediction

ECCV 2024poster

"Occupancy prediction plays a pivotal role in autonomous driving. Previous methods typically construct dense 3D volumes, neglecting the inherent sparsity of the scene and suffering high computational costs. To bridge the gap, we introduce a novel fully sparse occupancy network, termed SparseOcc. Spa…

2024

Generalized Predictive Model for Autonomous Driving

CVPR 2024highlight

In this paper we introduce the first large-scale video prediction model in the autonomous driving discipline. To eliminate the restriction of high-cost data collection and empower the generalization ability of our model we acquire massive data from the web and pair it with diverse and high-quality t…

Cited by 61SourcePDFScholar
2024

LaneSegNet: Map Learning with Lane Segment Perception for Autonomous Driving

ICLR 2024poster

A map, as crucial information for downstream applications of an autonomous driving system, is usually represented in lanelines or centerlines. However, existing literature on map learning primarily focuses on either detecting geometry-based lanelines or perceiving topology relationships of centerlin…

2024

Learning Complex Motion Plans using Neural ODEs with Safety and Stability Guarantees

ICRA 2024poster

We propose a Dynamical System (DS) approach to learn complex, possibly periodic motion plans from kinesthetic demonstrations using Neural Ordinary Differential Equations (NODE). To ensure reactivity and robustness to disturbances, we propose a novel approach that selects a target point at each time…

Cited by 4SourceScholar
2024

NAVSIM: Data-Driven Non-Reactive Autonomous Vehicle Simulation and Benchmarking

NeurIPS 2024poster

Benchmarking vision-based driving policies is challenging. On one hand, open-loop evaluation with real data is easy, but these results do not reflect closed-loop performance. On the other, closed-loop evaluation is possible in simulation, but is hard to scale due to its significant computational dem…

2024

Physics-Constrained Comprehensive Optical Neural Networks

NeurIPS 2024poster

With the advantages of low latency, low power consumption, and high parallelism, optical neural networks (ONN) offer a promising solution for time-sensitive and resource-limited artificial intelligence applications. However, the performance of the ONN model is often diminished by the gap between the…

Cited by 1SourcePDFScholar
2024

Region-aware Distribution Contrast: A Novel Approach to Multi-Task Partially Supervised Learning

ECCV 2024poster

"In this study, we address the intricate challenge of multi-task dense prediction, encompassing tasks such as semantic segmentation, depth estimation, and surface normal estimation, particularly when dealing with partially annotated data (MTPSL). The complexity arises from the absence of complete ta…

2024

Weakly-Supervised Mirror Detection via Scribble Annotations

AAAI 2024technical

Mirror detection is of great significance for avoiding false recognition of reflected objects in computer vision tasks. Existing mirror detection frameworks usually follow a supervised setting, which relies heavily on high quality labels and suffers from poor generalization. To resolve this, we inst…

2023

ARMP: Autoregressive Motion Planning for Quadruped Locomotion and Navigation in Complex Indoor Environments

IROS 2023poster

Generating natural and physically feasible motions for legged robots has been a challenging problem due to its complex dynamics. In this work, we introduce a novel learning-based framework of autoregressive motion planner (ARMP) for quadruped locomotion and navigation. Our method can generate motion…

Cited by 2SourceScholar
2023

Learning and Adapting Agile Locomotion Skills by Transferring Experience

RSS 2023poster

Legged robots have enormous potential in their range of capabilities, from navigating unstructured terrains to high-speed running. However, these capabilities bring with them difficult control problems, and designing controllers for highly agile dynamic motions remains a substantial challenge for ro…

2023

OpenLane-V2: A Topology Reasoning Benchmark for Unified 3D HD Mapping

NeurIPS 2023poster

Accurately depicting the complex traffic scene is a vital component for autonomous vehicles to execute correct judgments. However, existing benchmarks tend to oversimplify the scene by solely focusing on lane perception tasks. Observing that human drivers rely on both lanes and traffic signals to op…

2021

Learning Navigation Skills for Legged Robots with Learned Robot Embeddings

IROS 2021poster

Recent work has shown results on learning navigation policies for idealized cylinder agents in simulation and transferring them to real wheeled robots. Deploying such navigation policies on legged robots can be challenging due to their complex dynamics, and the large dynamical difference between cyl…

Cited by 21SourceScholar
2021

Planning in Learned Latent Action Spaces for Generalizable Legged Locomotion

RA-L 2021

Hierarchical learning has been successful at learning generalizable locomotion skills on walking robots in a sample-efficient manner. However, the low-dimensional “latent” action used to communicate between two layers of the hierarchy is typically user-designed. In this letter, we present a fully-le

Cited by 33SourceScholar
2020

An Unsupervised Retinal Vessel Extraction and Segmentation Method Based On a Tube Marked Point Process Model

ICASSP 2020accepted

Retinal vessel extraction and segmentation is essential for supporting diagnosis of eye-related diseases. In recent years, deep learning has been applied to vessel segmentation and achieved excellent performance. However, these supervised methods require accurate hand-labeled training data, which ma…

Cited by 0SourceScholar
2020

Efficient Planning under Partial Observability with Unnormalized Q Functions and Spectral Learning

AISTATS 2020poster

Learning and planning in partially-observable domains is one of the most difficult problems in reinforcement learning. Traditional methods consider these two problems as independent, resulting in a classic two-stage paradigm: first learn the environment dynamics and then compute the optimal policy a…

Cited by 4SourcePDFScholar
2020

Learning Generalizable Locomotion Skills with Hierarchical Reinforcement Learning

ICRA 2020poster

Learning to locomote to arbitrary goals on hardware remains a challenging problem for reinforcement learning. In this paper, we present a hierarchical framework that improves sample-efficiency and generalizability of learned locomotion skills on real-world robots. Our approach divides the problem of…

Cited by 54SourceScholar
2019

Bayesian Optimization in Variational Latent Spaces with Dynamic Compression

CoRL 2019

Data-efficiency is crucial for autonomous robots to adapt to new tasks and environments. In this work, we focus on robotics problems with a budget of only 10-20 trials. This is a very challenging setting even for data- efficient approaches like Bayesian optimization (BO), especially when optimizing

2019

Connecting Weighted Automata and Recurrent Neural Networks through Spectral Learning

AISTATS 2019poster

In this paper, we unravel a fundamental connection between weighted finite automata (WFAs) and second-order recurrent neural networks (2-RNNs): in the case of sequences of discrete symbols, WFAs and 2-RNNs with linear activation functions are expressively equivalent. Motivated by this result, we bui…

2019

Using Deep Reinforcement Learning to Learn High-Level Policies on the ATRIAS Biped

ICRA 2019poster

Learning controllers for bipedal robots is a challenging problem, often requiring expert knowledge and extensive tuning of parameters that vary in different situations. Recently, deep reinforcement learning has shown promise at automatically learning controllers for complex systems in simulation. Th…

Cited by 61SourceScholar
2017

Beyond Face Rotation: Global and Local Perception GAN for Photorealistic and Identity Preserving Frontal View Synthesis

ICCV 2017poster

Photorealistic frontal view synthesis from a single face image has a wide range of applications in the field of face recognition. Although data-driven deep learning methods have been proposed to address this problem by seeking solutions from ample face data, this problem is still challenging because…

Cited by 849PDFScholar