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Yifei Liu

23 accepted papers

2026

AnyThermal: Towards Learning Universal Representations for Thermal Perception

ICRA 2026poster

We present AnyThermal, a thermal backbone that captures robust task-agnostic thermal features suitable for a variety of tasks such as cross-modal place recognition, thermal segmentation, and monocular depth estimation using thermal images. Existing thermal backbones that follow task-specific trainin…

2026

Holi-Spatial: Evolving Video Streams into Holistic 3D Spatial Intelligence

ICML 2026oral

The pursuit of spatial intelligence fundamentally relies on access to large-scale, fine-grained 3D data. However, existing approaches predominantly construct spatial understanding benchmarks by generating question–answer (QA) pairs from a limited number of manually annotated datasets, rather than sy…

Cited by 0SourceScholar
2026

Lie Group Implicit Kinematics for Redundant Parallel Manipulators: Left-Trivialized Extended Jacobians and Gradient-Based Online Redundancy Flows for Singularity Avoidance

RA-L 2026

We present a Lie group implicit formulation for kinematically redundant parallel manipulators that yields left-trivialized extended Jacobians for the extended task variable <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="L

Cited by 0SourceScholar
2026

Lie Group Implicit Kinematics for Redundant Parallel Manipulators: Left-Trivialized Extended Jacobians and Gradient-Based Online Redundancy Flows for Singularity Avoidance

ICRA 2026poster

We present a Lie group implicit formulation for kinematically redundant parallel manipulators that yields left-trivialized extended Jacobians for the extended task variable x = (g, ρ) ∈ SE(3) × R. On top of this model we design a gradient-based redundancy flow on the redundancy manifold that empiric…

Cited by 0SourceScholar
2026

Proxy-GS: Unified Occlusion Priors for Training and Inference in Structured 3D Gaussian Splatting

CVPR 2026

3D Gaussian Splatting (3DGS) has emerged as an efficient approach for photorealistic rendering. Recent MLP-based variants further improve visual fidelity but introduce substantial decoding overhead during rendering. To reduce the computational cost, several pruning strategies and level-of-detail (LO

Cited by 0SourcecodeScholar
2025

Democratizing High-Fidelity Co-Speech Gesture Video Generation

ICCV 2025poster

Co-speech gesture video generation aims to synthesize realistic, audio-aligned videos of speakers, complete with synchronized facial expressions and body gestures. This task presents challenges due to the significant one-to-many mapping between audio and visual content, further complicated by the sc…

2025

Discovering Influential Neuron Path in Vision Transformers

ICLR 2025poster

Vision Transformer models exhibit immense power yet remain opaque to human understanding, posing challenges and risks for practical applications. While prior research has attempted to demystify these models through input attribution and neuron role analysis, there's been a notable gap in considerin…

2025

FIReStereo: Forest InfraRed Stereo Dataset for UAS Depth Perception in Visually Degraded Environments

RA-L 2025

Robust depth perception in visually-degraded environments is crucial for autonomous aerial systems. Thermal imaging cameras, which capture infrared radiation, are robust to visual degradation. However, due to lack of a large-scale dataset, the use of thermal cameras for uncrewed aerial system (UAS)

Cited by 8SourceScholar
2025

Guiding Human-Object Interactions with Rich Geometry and Relations

CVPR 2025poster

Human-object interaction (HOI) synthesis is crucial for creating immersive and realistic experiences for applications such as virtual reality. Existing methods often rely on simplified object representations, such as the object's centroid or the nearest point to a human, to achieve physically plausi…

Cited by 1SourcePDFScholar
2025

MaskGaussian: Adaptive 3D Gaussian Representation from Probabilistic Masks

CVPR 2025poster

While 3D Gaussian Splatting (3DGS) has demonstrated remarkable performance in novel view synthesis and real-time rendering, the high memory consumption due to the use of millions of Gaussians limits its practicality. To mitigate this issue, improvements have been made by pruning unnecessary Gaussian…

2025

UniLR: Unleashing the Power of LLMs on Multiple Legal Tasks with a Unified Legal Retriever

ACL 2025long

Despite the impressive capabilities of LLMs, they often generate content with factual inaccuracies in LegalAI, which may lead to serious legal consequences. Retrieval-Augmented Generation (RAG), a promising approach, can conveniently integrate specialized knowledge into LLMs. In practice, there are…

2025

rStar-Coder: Scaling Competitive Code Reasoning with a Large-Scale Verified Dataset

NeurIPS 2025poster

Advancing code reasoning in large language models (LLMs) is fundamentally limited by the scarcity of high-difficulty datasets, especially those with verifiable input-output test cases necessary for rigorous solution validation at scale. We introduce rStar-Coder, which significantly improves LLM…

Cited by 0SourcecodeScholar
2025

rStar-Math: Small LLMs Can Master Math Reasoning with Self-Evolved Deep Thinking

ICML 2025oral

We present rStar-Math to demonstrate that small language models (SLMs) can rival or even surpass the math reasoning capability of OpenAI o1, without distillation from superior models. rStar-Math achieves this by exercising ``deep thinking'' through Monte Carlo Tree Search (MCTS), where a math polic…

2024

Chain-of-Quizzes: Pedagogy-inspired Example Selection in In-Context-Learning

ACL 2024findings

In-context learning (ICL) has emerged as a powerful tool for enhancing large language models (LLMs) in addressing downstream tasks. In this paper, we explore the vital task of example selection in ICL by mimicking the human learning process. We propose a Chain-of-Quizzes (CoQ) framework inspired by…

2024

De-biased Attention Supervision for Text Classification with Causality

AAAI 2024technical

In text classification models, while the unsupervised attention mechanism can enhance performance, it often produces attention distributions that are puzzling to humans, such as assigning high weight to seemingly insignificant conjunctions. Recently, numerous studies have explored Attention Supervis…

2024

Enhancing Court View Generation with Knowledge Injection and Guidance

COLING 2024main

Court View Generation (CVG) is a challenging task in the field of Legal Artificial Intelligence (LegalAI), which aims to generate court views based on the plaintiff claims and the fact descriptions. While Pretrained Language Models (PLMs) have showcased their prowess in natural language generation,…

2024

Latent Learningscape Guided In-context Learning

ACL 2024findings

The growing interest in leveraging large language models is driven by their exceptional imitation and reasoning capabilities. In-context learning (ICL), a streamlined method, has shown potential in boosting these models’ performance without modifying their underlying parameters, especially when supp…

2024

Towards Variable and Coordinated Holistic Co-Speech Motion Generation

CVPR 2024poster

This paper addresses the problem of generating lifelike holistic co-speech motions for 3D avatars focusing on two key aspects: variability and coordination. Variability allows the avatar to exhibit a wide range of motions even with similar speech content while coordination ensures a harmonious align…

2024

Unleashing the Power of LLMs in Court View Generation by Stimulating Internal Knowledge and Incorporating External Knowledge

NAACL 2024findings

Court View Generation (CVG) plays a vital role in the realm of legal artificial intelligence, which aims to support judges in crafting legal judgment documents. The court view consists of three essential judgment parts: the charge-related, law article-related, and prison term-related parts, each req…

Cited by 4SourcePDFScholar
2024

VPTQ: Extreme Low-bit Vector Post-Training Quantization for Large Language Models

EMNLP 2024main

Scaling model size significantly challenges the deployment and inference of Large Language Models (LLMs). Due to the redundancy in LLM weights, recent research has focused on pushing weight-only quantization to extremely low-bit (even down to 2 bits). It reduces memory requirements, optimizes storag…

2023

Precedent-Enhanced Legal Judgment Prediction with LLM and Domain-Model Collaboration

EMNLP 2023long main

Legal Judgment Prediction (LJP) has become an increasingly crucial task in Legal AI, i.e., predicting the judgment of the case in terms of case fact description. Precedents are the previous legal cases with similar facts, which are the basis for the judgment of the subsequent case in national legal…

Cited by 0SourceScholar
2022

Towards Interactivity and Interpretability: A Rationale-based Legal Judgment Prediction Framework

EMNLP 2022main

Legal judgment prediction (LJP) is a fundamental task in legal AI, which aims to assist the judge to hear the case and determine the judgment. The legal judgment usually consists of the law article, charge, and term of penalty. In the real trial scenario, the judge usually makes the decision step-by…

2020

Rumor Detection on Social Media with Graph Structured Adversarial Learning

IJCAI 2020poster

The wide spread of rumors on social media has caused tremendous effects in both the online and offline world. In addition to text information, recent detection methods began to exploit the graph structure in the propagation network. However, without a rigorous design, rumors may evade such graph mod…

Cited by 0SourcePDFScholar