← Search

Xiao Liu

141 accepted papers

2026

ASTRA: Communication-Efficient Acceleration for Multi-Device Transformer Inference

ICML 2026poster

Multi-device inference can reduce Transformer latency by parallelizing computation. However, existing methods require high inter-device bandwidth, making them impractical for bandwidth-constrained environments. We present ASTRA, a communication-efficient framework that integrates sequence parallelis…

Cited by 0SourceScholar
2026

Beyond Length: Quantifying Long-Range Information for Long-Context LLM Pretraining Data

ICLR 2026poster

Long-context language models unlock advanced capabilities in reasoning, code generation, and document summarization by leveraging dependencies across extended spans of text. However, much readily available long-text data does not genuinely require extended context, as most spans can be predicted wit…

Cited by 0SourceScholar
2026

Beyond Sunk Costs: Boosting LLM Pre-training Efficiency via Orthogonal Growth of Mixture-of-Experts

ICML 2026poster

As the computational demands for pre-training Large Language Models (LLMs) continue to surge, the need for efficient training paradigms becomes critical. Despite the vast resources already invested in existing pre-trained checkpoints, these assets often remain under-leveraged due to architectural li…

Cited by 0SourceScholar
2026

ComputerRL: Scaling End-to-End Online Reinforcement Learning for Computer Use Agents

ICLR 2026poster

We introduce ComputerRL, a framework for autonomous desktop intelligence that enables agents to operate complex digital workspaces skillfully. ComputerRL features the API-GUI paradigm, which unifies programmatic API calls and direct GUI interaction to address the inherent mismatch between machine ag…

Cited by 0SourcecodeScholar
2026

From Single to Societal: Analyzing Persona-Induced Bias in Multi-Agent Interactions

AAAI 2026technical

Large Language Model (LLM)-based multi-agent systems are increasingly used to simulate human interactions and solve collaborative tasks. A common practice is to assign agents with personas to encourage behavioral diversity. However, this raises a critical yet underexplored question: do personas intr

Cited by 0SourcePDFScholar
2026

Learning Effective Sign Features without Text for Gloss-free Sign Language Translation

CVPR 2026

Self-supervised learning (SSL) has achieved remarkable success across both NLP and CV domains. However, sign language translation (SLT) models still heavily rely on gloss annotations in gloss-based SLT or text annotations in gloss-free SLT (GFSLT) during pretraining, aiming to ensure that the backbo

Cited by 0SourceScholar
2026

MobileRL: Online Agentic Reinforcement Learning for Mobile GUI Agents

ICLR 2026poster

Building general-purpose graphical user interface (GUI) agents has become increasingly promising with the progress in vision language models. However, developing effective mobile GUI agents with reinforcement learning (RL) remains challenging due to the heavy-tailed distribution of task difficulty a…

Cited by 0SourcecodeScholar
2026

RefTool: Reference-Guided Tool Creation for Knowledge-Intensive Reasoning

ICLR 2026poster

Large Language Models (LLMs) can enhance their reasoning capabilities by using external tools. However, many tasks lack predefined tools. Prior works have explored instructing LLMs to generate tools on their own, but such approaches depend heavily on internal knowledge and struggle when tasks fall o…

Cited by 0SourcecodeScholar
2026

SUBTA: A Framework for Supported User-Guided Bimanual Teleoperation in Structured Assembly

ICRA 2026poster

In human-robot collaboration, shared autonomy enhances human performance through precise, intuitive support. Effective robotic assistance requires accurately inferring human intentions and understanding task structures to determine optimal support timing and methods. In this paper, we present SUBTA,…

2026

Self-Calibrated Consistency can Fight Back for Adversarial Robustness in Vision-Language Models

ICML 2026poster

Pre-trained vision-language models (VLMs) such as CLIP have demonstrated strong zero-shot capabilities across diverse domains, yet remain highly vulnerable to adversarial perturbations that disrupt image-text alignment and compromise reliability. Existing defenses typically rely on adversarial fine-…

Cited by 0SourceScholar
2026

SignPR: A Progressive Vector-Quantized Diffusion Framework for Sign Language Production

CVPR 2026

Sign language production aims to generate sign sequences from spoken language, where the generation of sign pose sequences from text is often treated as a significant task. However, due to the differences in grammatical rules and modalities between sign language pose sequences and spoken language te

Cited by 0SourceScholar
2026

Structure Abstraction and Generalization in a Hippocampus-Entorhinal Inspired World Model

ICML 2026poster

Humans abstract experiences into structured representations to facilitate pattern inference and knowledge transfer. While the hippocampal-entorhinal (HPC-MEC) circuit is known to represent both spatial and conceptual spaces, the mechanisms for concurrently extracting abstract structures from continu…

Cited by 0SourceScholar
2026

VisionReward: Fine-Grained Multi-Dimensional Human Preference Learning for Image and Video Generation

AAAI 2026technical

Visual generative models have achieved remarkable progress in synthesizing photorealistic images and videos, yet aligning their outputs with human preferences across critical dimensions remains a persistent challenge. Though reinforcement learning from human feedback offers promise for preference al

Cited by 0SourcePDFScholar
2025

A Survey of Post-Training Scaling in Large Language Models

ACL 2025long

Large language models (LLMs) have achieved remarkable proficiency in understanding and generating human natural languages, mainly owing to the “scaling law” that optimizes relationships among language modeling loss, model parameters, and pre-trained tokens. However, with the exhaustion of high-quali…

Cited by 0SourcePDFScholar
2025

AndroidGen: Building an Android Language Agent under Data Scarcity

ACL 2025long

Large language models have opened up a world of possibilities for various NLP tasks, sparking optimism for the future. Despite their potential, LLMs have yet to be widely used as agents on real mobile devices. The main challenge is the need for high-quality data sources. Time constraints and labor i…

2025

AndroidLab: Training and Systematic Benchmarking of Android Autonomous Agents

ACL 2025long

Autonomous agents have become increasingly important for interacting with the real world. Android agents, in particular, have been a frequently-mentioned interaction method. However, existing studies for training and evaluating Android agents lack systematic research on both open-source and closed-s…

2025

Better NTK Conditioning: A Free Lunch from (ReLU) Nonlinear Activation in Wide Neural Networks

NeurIPS 2025poster

Nonlinear activation functions are widely recognized for enhancing the expressivity of neural networks, which is the primary reason for their widespread implementation. In this work, we focus on ReLU activation and reveal a novel and intriguing property of nonlinear activations. By comparing enablin…

Cited by 0SourceScholar
2025

Degradation-Aware Feature Perturbation for All-in-One Image Restoration

CVPR 2025poster

All-in-one image restoration aims to recover clear images from various degradation types and levels with a unified model. Nonetheless, the significant variations among degradation types present challenges for training a universal model, often resulting in task interference, where the gradient update…

2025

Enhancing Large Language Model Performance with Gradient-Based Parameter Selection

AAAI 2025technical

Large language models (LLMs) have revolutionized numerous fields of research, driving significant advancements in natural language processing, machine translation, and beyond. Although the extensive number of parameters contributes a lot to the great success, existing studies indicate that not all m…

Cited by 0SourcePDFScholar
2025

Ensembling Large Language Models with Process Reward-Guided Tree Search for Better Complex Reasoning

NAACL 2025long

Despite recent advances in large language models, open-source models often struggle to consistently perform well on complex reasoning tasks. Existing ensemble methods, whether applied at the token or output levels, fail to address these challenges. In response, we present Language model Ensemble wit…

Cited by 8SourcePDFScholar
2025

EpiCoder: Encompassing Diversity and Complexity in Code Generation

ICML 2025poster

Existing methods for code generation use code snippets as seed data, restricting the complexity and diversity of the synthesized data. In this paper, we introduce a novel feature tree-based synthesis framework, which revolves around hierarchical code features derived from high-level abstractions of…

Cited by 4SourcePDFScholar
2025

Generate, Refine, and Encode: Leveraging Synthesized Novel Samples for On-the-Fly Fine-Grained Category Discovery

ICCV 2025poster

In this paper, we investigate a practical yet challenging task: On-the-fly Category Discovery (OCD). This task focuses on the online identification of newly arriving stream data that may belong to both known and unknown categories, utilizing the category knowledge from only labeled data. Existing OC…

2025

High-Precision and High-Efficiency Trajectory Tracking for Excavators Based on Closed-Loop Dynamics

IROS 2025

The complex nonlinear dynamics of hydraulic excavators, such as time delays and control coupling, pose significant challenges to achieving high-precision trajectory tracking. Traditional control methods often fall short in such applications due to their inability to effectively handle these nonlinea

Cited by 0SourcecodeScholar
2025

Key-Point-Driven Data Synthesis with Its Enhancement on Mathematical Reasoning

AAAI 2025technical

Large language models have shown great potential in complex reasoning tasks, yet their performance is often hampered by the scarcity of high-quality and reasoning-focused training datasets. Addressing this challenge, we propose Key-PointDriven Data Synthesis (KPDDS), a novel data synthesis framework…

2025

LogicGame: Benchmarking Rule-Based Reasoning Abilities of Large Language Models

ACL 2025finding

Large Language Models (LLMs) have demonstrated notable capabilities across various tasks, showcasing complex problem-solving abilities. Understanding and executing complex rules, along with multi-step planning, are fundamental to logical reasoning and critical for practical LLM agents and decision-m…

2025

Optimizing Large Language Model Training Using FP4 Quantization

ICML 2025poster

The growing computational demands of training large language models (LLMs) necessitate more efficient methods. Quantized training presents a promising solution by enabling low-bit arithmetic operations to reduce these costs. While FP8 precision has demonstrated feasibility, leveraging FP4 remains a…

Cited by 8SourcePDFScholar
2025

Overcoming Vocabulary Mismatch: Vocabulary-agnostic Teacher Guided Language Modeling

ICML 2025poster

Using large teacher models to guide the training of smaller student models has become the prevailing paradigm for efficient and effective learning. However, vocabulary mismatches between teacher and student language models pose significant challenges in language modeling, resulting in divergent toke…

Cited by 0SourcePDFScholar
2025

Process-based Self-Rewarding Language Models

ACL 2025finding

Large Language Models have demonstrated outstanding performance across various downstream tasks and have been widely applied in multiple scenarios. Human-annotated preference data is used for training to further improve LLMs’ performance, which is constrained by the upper limit of human performance.…

2025

Read it in Two Steps: Translating Extremely Low-Resource Languages with Code-Augmented Grammar Books

ACL 2025long

While large language models (LLMs) have shown promise in translating extremely low-resource languages using resources like dictionaries, the effectiveness of grammar books remains debated. This paper investigates the role of grammar books in translating extremely low-resource languages by decomposin…

2025

Recipe2Plan: Evaluating Planning Abilities of LLMs for Efficient and Feasible Multitasking with Time Constraints Between Actions

EMNLP 2025

While Large Language Model-based agents have demonstrated substantial progress in task completion, existing evaluation benchmarks tend to overemphasize single-task performance, with insufficient attention given to the crucial aspects of multitask planning and execution efficiency required in real-wo

2025

RobustHAR: Multi-scale Spatial-temporal Masked Self-supervised Pre-training for Robust Human Activity Recognition

IJCAI 2025

Human activity recognition (HAR) is prone to performance degradation in real-world applications due to data missing between intra-sensor and inter-sensor channels. Masked modeling, as one mainstream paradigm of self-supervised pre-training, can learn robust representations across sensors in the data

Cited by 0SourcePDFScholar
2025

SPaR: Self-Play with Tree-Search Refinement to Improve Instruction-Following in Large Language Models

ICLR 2025poster

Instruction-following is a fundamental capability of language models, requiring the model to recognize even the most subtle requirements in the instructions and accurately reflect them in its output. Such an ability is well-suited for and often optimized by preference learning. However, existing met…

2025

Teaching Your Models to Understand Code via Focal Preference Alignment

EMNLP 2025

Preference learning extends the performance of Code LLMs beyond traditional supervised fine-tuning by leveraging relative quality comparisons. In existing approaches, a set of n candidate solutions is evaluated based on test case success rates, with the candidate demonstrating a higher pass rate bei

2025

VPO: Aligning Text-to-Video Generation Models with Prompt Optimization

ICCV 2025poster

Video generation models have achieved remarkable progress in text-to-video tasks. These models are typically trained on text-video pairs with highly detailed and carefully crafted descriptions, while real-world user inputs during inference are often concise, vague, or poorly structured. This gap mak…

2025

Velocitune: A Velocity-based Dynamic Domain Reweighting Method for Continual Pre-training

ACL 2025long

It is well-known that a diverse corpus is critical for training large language models, which are typically constructed from a mixture of various domains. In general, previous efforts resort to either sampling training data from different domains with static proportions or dynamically adjusting these…

2025

VisualAgentBench: Towards Large Multimodal Models as Visual Foundation Agents

ICLR 2025poster

Large Multimodal Models (LMMs) have ushered in a new era in artificial intelligence, merging capabilities in both language and vision to form highly capable \textbf{Visual Foundation Agents} that are postulated to excel across a myriad of tasks. However, existing benchmarks fail to sufficiently chal…

2025

WebRL: Training LLM Web Agents via Self-Evolving Online Curriculum Reinforcement Learning

ICLR 2025poster

Large language models (LLMs) have shown remarkable potential as autonomous agents, particularly in web-based tasks. However, existing LLM web agents face significant limitations: high-performing agents rely on expensive proprietary LLM APIs, while open LLMs lack the necessary decision-making capabi…

2025

eXplainable Intention Estimation in Teleoperated Manipulation Using Deep Dynamic Graph Neural Networks

IROS 2025

Shared autonomy can improve teleoperating robotic systems in complex manufacturing and assembly tasks by combining human decision-making and robotic capabilities. A key aspect of seamless collaboration and trust in shared autonomy is the robot’s ability to interpret human intentions in a consistent

Cited by 1SourceScholar
2024

Adaptive Visual Scene Understanding: Incremental Scene Graph Generation

NeurIPS 2024poster

Scene graph generation (SGG) analyzes images to extract meaningful information about objects and their relationships. In the dynamic visual world, it is crucial for AI systems to continuously detect new objects and establish their relationships with existing ones. Recently, numerous studies have foc…

2024

AgentBench: Evaluating LLMs as Agents

ICLR 2024poster

The potential of Large Language Model (LLM) as agents has been widely acknowledged recently. Thus, there is an urgent need to quantitatively evaluate LLMs as agents on challenging tasks in interactive environments. We present AgentBench, a multi-dimensional benchmark that consists of 8 distinct envi…

2024

AgentTuning: Enabling Generalized Agent Abilities for LLMs

ACL 2024findings

Open large language models (LLMs) with great performance in various tasks have significantly advanced the development of LLMs. However, they are far inferior to commercial models such as ChatGPT and GPT-4 when acting as agents to tackle complex tasks in the real world. These agent tasks employ LLMs…

2024

AlignBench: Benchmarking Chinese Alignment of Large Language Models

ACL 2024long

Alignment has become a critical step for instruction-tuned Large Language Models (LLMs) to become helpful assistants. However, effective evaluation of alignment for emerging Chinese LLMs is still significantly lacking, calling for real-scenario grounded, open-ended, challenging and automatic evaluat…

2024

Are LLMs Capable of Data-based Statistical and Causal Reasoning? Benchmarking Advanced Quantitative Reasoning with Data

ACL 2024findings

Quantitative reasoning is a critical skill to analyze data, yet the assessment of such ability remains limited. To address this gap, we introduce the Quantitative Reasoning with Data (QRData) benchmark, aiming to evaluate Large Language Models’ capability in statistical and causal reasoning with rea…

2024

Attack-Resilient Image Watermarking Using Stable Diffusion

NeurIPS 2024poster

Watermarking images is critical for tracking image provenance and proving ownership. With the advent of generative models, such as stable diffusion, that can create fake but realistic images, watermarking has become particularly important to make human-created images reliably identifiable. Unfortuna…

2024

Attribute or Abstain: Large Language Models as Long Document Assistants

EMNLP 2024main

LLMs can help humans working with long documents, but are known to hallucinate. *Attribution* can increase trust in LLM responses: The LLM provides evidence that supports its response, which enhances verifiability. Existing approaches to attribution have only been evaluated in RAG settings, where th…

2024

AutoDetect: Towards a Unified Framework for Automated Weakness Detection in Large Language Models

EMNLP 2024finding

Although Large Language Models (LLMs) are becoming increasingly powerful, they still exhibit significant but subtle weaknesses, such as mistakes in instruction-following or coding tasks.As these unexpected errors could lead to severe consequences in practical deployments, it is crucial to investigat…

2024

Bias and Volatility: A Statistical Framework for Evaluating Large Language Model's Stereotypes and the Associated Generation Inconsistency

NeurIPS 2024poster

We present a novel statistical framework for analyzing stereotypes in large language models (LLMs) by systematically estimating the bias and variation in their generation. Current evaluation metrics in the alignment literature often overlook the randomness of stereotypes caused by the inconsistent g…

Cited by 2SourceScholar
2024

Black-Box Prompt Optimization: Aligning Large Language Models without Model Training

ACL 2024long

Large language models (LLMs) have shown impressive success in various applications. However, these models are often not well aligned with human intents, which calls for additional treatments on them; that is, the alignment problem. To make LLMs better follow user instructions, existing alignment met…

2024

CaRiNG: Learning Temporal Causal Representation under Non-Invertible Generation Process

ICML 2024poster

Identifying the underlying time-delayed latent causal processes in sequential data is vital for grasping temporal dynamics and making downstream reasoning. While some recent methods can robustly identify these latent causal variables, they rely on strict assumptions about the invertible generation p…

2024

Can Multiple-choice Questions Really Be Useful in Detecting the Abilities of LLMs?

COLING 2024main

Multiple-choice questions (MCQs) are widely used in the evaluation of large language models (LLMs) due to their simplicity and efficiency. However, there are concerns about whether MCQs can truly measure LLM’s capabilities, particularly in knowledge-intensive scenarios where long-form generation (LF…

2024

ChatGLM-Math: Improving Math Problem-Solving in Large Language Models with a Self-Critique Pipeline

EMNLP 2024finding

Large language models (LLMs) have shown excellent mastering of human language but still struggle in real-world applications that require mathematical problem-solving. While many strategies and datasets to enhance LLMs’ mathematics are developed, it remains a challenge to simultaneously maintain and…

2024

Competition-Level Problems are Effective LLM Evaluators

ACL 2024findings

Large language models (LLMs) have demonstrated impressive reasoning capabilities, yet there is ongoing debate about these abilities and the potential data contamination problem recently. This paper aims to evaluate the reasoning capacities of LLMs, specifically in solving recent competition-level pr…

Cited by 23SourcePDFScholar
2024

Contrastive Learning-Based Attribute Extraction Method for Enhanced Terrain Classification

ICRA 2024poster

The outdoor environment has many uneven surfaces that put the robot at risk of sinking or tipping over. Recognizing the type of terrain can help robot avoid risks and choose an appropriate gait. One of the critical problems is how to extract the terrain-related knowledge from sensor data collected a…

Cited by 1SourceScholar
2024

CritiqueLLM: Towards an Informative Critique Generation Model for Evaluation of Large Language Model Generation

ACL 2024long

Since the natural language processing (NLP) community started to make large language models (LLMs) act as a critic to evaluate the quality of generated texts, most of the existing works train a critique generation model on the evaluation data labeled by GPT-4’s direct prompting. We observe that thes…

2024

DA-Code: Agent Data Science Code Generation Benchmark for Large Language Models

EMNLP 2024main

We introduce DA-Code, a code generation benchmark specifically designed to assess LLMs on agent-based data science tasks. This benchmark features three core elements: First, the tasks within DA-Code are inherently challenging, setting them apart from traditional code generation tasks and demanding a…

2024

Diff-Control: A Stateful Diffusion-based Policy for Imitation Learning

IROS 2024poster

While imitation learning provides a simple and effective framework for policy learning, acquiring consistent action during robot execution remains a challenging task. Existing approaches primarily focus on either modifying the action representation at data curation stage or altering the model itself…

Cited by 2SourcecodeScholar
2024

FBLG: A Local Graph Based Approach for Handling Dual Skewed Non-IID Data in Federated Learning

IJCAI 2024poster

In real-world situations, federated learning often needs to process non-IID (non-independent and identically distributed) data with multiple skews, causing inadequate model performance. Existing federated learning methods mainly focus on addressing the problem with a single skew of non-IID, and henc…

2024

Iterative Ensemble Training with Anti-Gradient Control for Mitigating Memorization in Diffusion Models

ECCV 2024poster

"Diffusion models, known for their tremendous ability to generate novel and high-quality samples, have recently raised concerns due to their data memorization behavior, which poses privacy risks. Recent approaches for memory mitigation either only focused on the text modality problem in cross-modal…

2024

LLCP: Learning Latent Causal Processes for Reasoning-based Video Question Answer

ICLR 2024poster

Current approaches to Video Question Answering (VideoQA) primarily focus on cross-modality matching, which is limited by the requirement for extensive data annotations and the insufficient capacity for causal reasoning (e.g. attributing accidents). To address these challenges, we introduce a causal…

Cited by 2SourcePDFScholar
2024

Language-Free Compositional Action Generation via Decoupling Refinement

ICASSP 2024accepted

Composing simple actions into complex actions is crucial yet challenging. Existing methods largely rely on language annotations to discern composable latent semantics, which is costly and labor-intensive. In this study, we introduce a novel framework to generate compositional actions without languag…

Cited by 0SourceScholar
2024

LongBench: A Bilingual, Multitask Benchmark for Long Context Understanding

ACL 2024long

Although large language models (LLMs) demonstrate impressive performance for many language tasks, most of them can only handle texts a few thousand tokens long, limiting their applications on longer sequence inputs, such as books, reports, and codebases. Recent works have proposed methods to improve…

2024

Middleware for LLMs: Tools Are Instrumental for Language Agents in Complex Environments

EMNLP 2024main

The applications of large language models (LLMs) have expanded well beyond the confines of text processing, signaling a new era where LLMs are envisioned as generalist agents capable of operating within complex environments. These environments are often highly expansive, making it impossible for the…

Cited by 31SourcePDFScholar
2024

Multi-modal Relation Distillation for Unified 3D Representation Learning

ECCV 2024poster

"Recent advancements in multi-modal pre-training for 3D point clouds have demonstrated promising results by aligning heterogeneous features across 3D shapes and their corresponding 2D images and language descriptions. However, current straightforward solutions often overlook intricate structural rel…

Cited by 0SourcePDFScholar
2024

NaturalCodeBench: Examining Coding Performance Mismatch on HumanEval and Natural User Queries

ACL 2024findings

Large language models (LLMs) have manifested strong ability to generate codes for productive activities. However, current benchmarks for code synthesis, such as HumanEval, MBPP, and DS-1000, are predominantly oriented towards introductory tasks on algorithm and data science, insufficiently satisfyin…

2024

Not All Tokens Are What You Need for Pretraining

NeurIPS 2024oral

Previous language model pre-training methods have uniformly applied a next-token prediction loss to all training tokens. Challenging this norm, we posit that ''Not all tokens in a corpus are equally important for language model training''. Our initial analysis examines token-level training dynamics…

Cited by 9SourcePDFScholar
2024

OpenWebAgent: An Open Toolkit to Enable Web Agents on Large Language Models

ACL 2024system demonstrations

We introduce OpenWebAgent, an open toolkit designed to optimize web automation by integrating both large language models (LLMs) and large multimodal models (LMMs). This toolkit focuses on enhancing human-computer interactions on the web, simplifying complex tasks through an advanced HTML parser, a r…

2024

QUDSELECT: Selective Decoding for Questions Under Discussion Parsing

EMNLP 2024main

Question Under Discussion (QUD) is a discourse framework that uses implicit questions to reveal discourse relationships between sentences. In QUD parsing, each sentence is viewed as an answer to a question triggered by an anchor sentence in prior context. The resulting QUD structure is required to c…

2024

Revisiting Parallel Context Windows: A Frustratingly Simple Alternative and Chain-of-Thought Deterioration

ACL 2024findings

We identify two crucial limitations in the evaluation of recent parallel-integrated method Parallel Context Windows (PCW), which extends the maximum context lengths of language models, e.g., 2048 for LLaMA, by harnessing window-wise attention and positional embedding techniques. We first show that a…

2024

SafetyBench: Evaluating the Safety of Large Language Models

ACL 2024long

With the rapid development of Large Language Models (LLMs), increasing attention has been paid to their safety concerns. Consequently, evaluating the safety of LLMs has become an essential task for facilitating the broad applications of LLMs. Nevertheless, the absence of comprehensive safety evaluat…

2024

SemReg: Semantics Constrained Point Cloud Registration

ECCV 2024poster

"Despite the recent success of Transformers in point cloud registration, the cross-attention mechanism, while enabling point-wise feature exchange between point clouds, suffers from redundant feature interactions among semantically unrelated regions. Additionally, recent methods rely only on 3D info…

2024

Teaching Large Language Models an Unseen Language on the Fly

ACL 2024findings

Existing large language models struggle to support numerous low-resource languages, particularly the extremely low-resource ones, for which there is minimal training data available for effective parameter updating. We thus investigate whether LLMs can learn a new language on the fly solely through p…

2024

To Learn or Not to Learn, That is the Question — A Feature-Task Dual Learning Model of Perceptual Learning

NeurIPS 2024poster

Perceptual learning refers to the practices through which participants learn to improve their performance in perceiving sensory stimuli. Two seemingly conflicting phenomena of specificity and transfer have been widely observed in perceptual learning. Here, we propose a dual-learning model to recon…

Cited by 0SourcePDFScholar
2024

Using Left and Right Brains Together: Towards Vision and Language Planning

ICML 2024poster

Large Language Models (LLMs) and Large Multi-modality Models (LMMs) have demonstrated remarkable decision masking capabilities on a variety of tasks. However, they inherently operate planning within the language space, lacking the vision and spatial imagination ability. In contrast, humans utilize b…

Cited by 5SourcePDFScholar
2024

iRoCo: Intuitive Robot Control From Anywhere Using a Smartwatch

ICRA 2024poster

This paper introduces iRoCo (intuitive Robot Control) – a framework for ubiquitous human-robot collaboration using a single smartwatch and smartphone. By integrating probabilistic differentiable filters, iRoCo optimizes a combination of precise robot control and unrestricted user movement from ubiqu…

Cited by 2SourcecodeScholar
2023

$\alpha$-MDF: An Attention-based Multimodal Differentiable Filter for Robot State Estimation

CoRL 2023poster

Differentiable Filters are recursive Bayesian estimators that derive the state transition and measurement models from data alone. Their data-driven nature eschews the need for explicit analytical models, while remaining algorithmic components of the filtering process intact. As a result, the gain me…

Cited by 8SourcecodeScholar
2023

A Recurrent Neural Circuit Mechanism of Temporal-scaling Equivariant Representation

NeurIPS 2023poster

Time perception is critical in our daily life. An important feature of time perception is temporal scaling (TS): the ability to generate temporal sequences (e.g., motor actions) at different speeds. However, it is largely unknown about the math principle underlying temporal scaling in recurrent circ…

Cited by 1SourcePDFScholar
2023

AR-Diffusion: Auto-Regressive Diffusion Model for Text Generation

NeurIPS 2023poster

Diffusion models have gained significant attention in the realm of image generation due to their exceptional performance. Their success has been recently expanded to text generation via generating all tokens within a sequence concurrently. However, natural language exhibits a far more pronounced se…

2023

Allies: Prompting Large Language Model with Beam Search

EMNLP 2023long findings

With the advance of large language models (LLMs), the research field of LLM applications becomes more and more popular and the idea of constructing pipelines to accomplish complex tasks by stacking LLM API calls come true. However, this kind of methods face two limitations: narrow information covera…

Cited by 0SourcecodeScholar
2023

Boosting Event Extraction with Denoised Structure-to-Text Augmentation

ACL 2023findings

Event extraction aims to recognize pre-defined event triggers and arguments from texts, which suffer from the lack of high-quality annotations. In most NLP applications, involving a large scale of synthetic training data is a practical and effective approach to alleviate the problem of data scarcity…

2023

DiNeR: A Large Realistic Dataset for Evaluating Compositional Generalization

EMNLP 2023long main

Most of the existing compositional generalization datasets are synthetically-generated, resulting in a lack of natural language variation. While there have been recent attempts to introduce non-synthetic datasets for compositional generalization, they suffer from either limited data scale or a lack…

Cited by 0SourcecodeScholar
2023

DiffuSum: Generation Enhanced Extractive Summarization with Diffusion

ACL 2023findings

Extractive summarization aims to form a summary by directly extracting sentences from the source document. Existing works mostly formulate it as a sequence labeling problem by making individual sentence label predictions. This paper proposes DiffuSum, a novel paradigm for extractive summarization, b…

2023

Diffusion Models for Causal Discovery via Topological Ordering

ICLR 2023poster

Discovering causal relations from observational data becomes possible with additional assumptions such as considering the functional relations to be constrained as nonlinear with additive noise (ANM). Even with strong assumptions, causal discovery involves an expensive search problem over the space…

2023

Dynosaur: A Dynamic Growth Paradigm for Instruction-Tuning Data Curation

EMNLP 2023long main

Instruction tuning has emerged to enhance the capabilities of large language models (LLMs) to comprehend instructions and generate appropriate responses. Existing methods either manually annotate or employ LLM (e.g., GPT-series) to generate data for instruction tuning. However, they often overlook a…

Cited by 0SourcecodeScholar
2023

Enhancing State Estimation in Robots: A Data-Driven Approach with Differentiable Ensemble Kalman Filters

IROS 2023poster

This paper introduces a novel state estimation framework for robots using differentiable ensemble Kalman filters (DEnKF). DEnKF is a reformulation of the traditional ensemble Kalman filter that employs stochastic neural networks to model the process noise implicitly. Our work is an extension of prev…

Cited by 11SourcecodeScholar
2023

GLM-130B: An Open Bilingual Pre-trained Model

ICLR 2023poster

We introduce GLM-130B, a bilingual (English and Chinese) pre-trained language model with 130 billion parameters. It is an attempt to open-source a 100B-scale model as good as GPT-3 (davinci) and unveil how models of such a scale can be successfully pre-trained. Over the course of this effort, we fac…

2023

How Many Answers Should I Give? An Empirical Study of Multi-Answer Reading Comprehension

ACL 2023findings

The multi-answer phenomenon, where a question may have multiple answers scattered in the document, can be well handled by humans but is challenging enough for machine reading comprehension (MRC) systems. Despite recent progress in multi-answer MRC, there lacks a systematic analysis of how this pheno…

2023

ImageReward: Learning and Evaluating Human Preferences for Text-to-Image Generation

NeurIPS 2023poster

We present a comprehensive solution to learn and improve text-to-image models from human preference feedback. To begin with, we build ImageReward---the first general-purpose text-to-image human preference reward model---to effectively encode human preferences. Its training is based on our systematic…

2023

Imperceptible Adversarial Attack via Invertible Neural Networks

AAAI 2023technical

Adding perturbations via utilizing auxiliary gradient information or discarding existing details of the benign images are two common approaches for generating adversarial examples. Though visual imperceptibility is the desired property of adversarial examples, conventional adversarial attacks still…

2023

Learning Explicit Credit Assignment for Cooperative Multi-Agent Reinforcement Learning via Polarization Policy Gradient

AAAI 2023technical

Cooperative multi-agent policy gradient (MAPG) algorithms have recently attracted wide attention and are regarded as a general scheme for the multi-agent system. Credit assignment plays an important role in MAPG and can induce cooperation among multiple agents. However, most MAPG algorithms cannot a…

Cited by 10SourcePDFScholar
2023

Learning Soft Robot Dynamics Using Differentiable Kalman Filters and Spatio-Temporal Embeddings

IROS 2023poster

This paper introduces a novel approach for modeling the dynamics of soft robots, utilizing a differentiable filter architecture. The proposed approach enables end-to-end training to learn system dynamics, noise characteristics, and temporal behavior of the robot. A novel spatio-temporal embedding pr…

Cited by 7SourcecodeScholar
2023

Parameter-Efficient Prompt Tuning Makes Generalized and Calibrated Neural Text Retrievers

EMNLP 2023long findings

Prompt tuning attempts to update few task-specific parameters in pre-trained models. It has achieved comparable performance to fine-tuning of the full parameter set on both language understanding and generation tasks. In this work, we study the problem of prompt tuning for neural text retrievers. We…

Cited by 0SourcecodeScholar
2023

Random Sub-Samples Generation for Self-Supervised Real Image Denoising

ICCV 2023poster

With sufficient paired training samples, the supervised deep learning methods have attracted much attention in image denoising because of their superior performance. However, it is still very challenging to widely utilize the supervised methods in real cases due to the lack of paired noisy-clean ima…

Cited by 33PDFcodeScholar
2023

Tem-Adapter: Adapting Image-Text Pretraining for Video Question Answer

ICCV 2023poster

Video-language pre-trained models have shown remarkable success in guiding video question-answering (VideoQA) tasks. However, due to the length of video sequences, training large-scale video-based models incurs considerably higher costs than training image-based ones. This motivates us to leverage t…

Cited by 17PDFcodeScholar
2023

The Magic of IF: Investigating Causal Reasoning Abilities in Large Language Models of Code

ACL 2023findings

Causal reasoning, the ability to identify cause-and-effect relationship, is crucial in human thinking. Although large language models (LLMs) succeed in many NLP tasks, it is still challenging for them to conduct complex causal reasoning like abductive reasoning and counterfactual reasoning. Given th…

2023

Tri-MipRF: Tri-Mip Representation for Efficient Anti-Aliasing Neural Radiance Fields

ICCV 2023oral

Despite the tremendous progress in neural radiance fields (NeRF), we still face a dilemma of the trade-off between quality and efficiency, e.g., MipNeRF presents fine-detailed and anti-aliased renderings but takes days for training, while Instant-ngp can accomplish the reconstruction in a few minute…

Cited by 142PDFcodeScholar
2023

Unsupervised Image Denoising in Real-World Scenarios via Self-Collaboration Parallel Generative Adversarial Branches

ICCV 2023poster

Deep learning methods have shown remarkable performance in image denoising, particularly when trained on large-scale paired datasets. However, acquiring such paired datasets for real-world scenarios poses a significant challenge. Although unsupervised approaches based on generative adversarial netwo…

Cited by 32PDFcodeScholar
2022

All-in-One Image Restoration for Unknown Corruption

CVPR 2022poster

In this paper, we study a challenging problem in image restoration, namely, how to develop an all-in-one method that could recover images from a variety of unknown corruption types and levels. To this end, we propose an All-in-one Image Restoration Network (AirNet) consisting of two neural modules,…

Cited by 351PDFcodeScholar
2022

AutoMTL: A Programming Framework for Automating Efficient Multi-Task Learning

NeurIPS 2022accept

Multi-task learning (MTL) jointly learns a set of tasks by sharing parameters among tasks. It is a promising approach for reducing storage costs while improving task accuracy for many computer vision tasks. The effective adoption of MTL faces two main challenges. The first challenge is to determine…

2022

Counterfactual Recipe Generation: Exploring Compositional Generalization in a Realistic Scenario

EMNLP 2022main

People can acquire knowledge in an unsupervised manner by reading, and compose the knowledge to make novel combinations. In this paper, we investigate whether pretrained language models can perform compositional generalization in a realistic setting: recipe generation. We design the counterfactual r…

2022

DeepStruct: Pretraining of Language Models for Structure Prediction

ACL 2022findings

We introduce a method for improving the structural understanding abilities of language models. Unlike previous approaches that finetune the models with task-specific augmentation, we pretrain language models to generate structures from the text on a collection of task-agnostic corpora. Our structure…

2022

Dual-Channel Evidence Fusion for Fact Verification over Texts and Tables

NAACL 2022long

Different from previous fact extraction and verification tasks that only consider evidence of a single format, FEVEROUS brings further challenges by extending the evidence format to both plain text and tables. Existing works convert all candidate evidence into either sentences or tables, thus often…

2022

GLM: General Language Model Pretraining with Autoregressive Blank Infilling

ACL 2022long

There have been various types of pretraining architectures including autoencoding models (e.g., BERT), autoregressive models (e.g., GPT), and encoder-decoder models (e.g., T5). However, none of the pretraining frameworks performs the best for all tasks of three main categories including natural lang…

2022

IELM: An Open Information Extraction Benchmark for Pre-Trained Language Models

EMNLP 2022main

We introduce a new open information extraction (OIE) benchmark for pre-trained language models (LM). Recent studies have demonstrated that pre-trained LMs, such as BERT and GPT, may store linguistic and relational knowledge. In particular, LMs are able to answer “fill-in-the-blank” questions when gi…

2022

MegBA: A GPU-Based Distributed Library for Large-Scale Bundle Adjustment

ECCV 2022poster

"Large-scale Bundle Adjustment (BA) requires massive memory and computation resources which are difficult to be fulfilled by existing BA libraries. In this paper, we propose MegBA, a GPU-based distributed BA library. MegBA can provide massive aggregated memory by automatically partitioning large BA…

2022

P-Tuning: Prompt Tuning Can Be Comparable to Fine-tuning Across Scales and Tasks

ACL 2022short

Prompt tuning, which only tunes continuous prompts with a frozen language model, substantially reduces per-task storage and memory usage at training. However, in the context of NLU, prior work reveals that prompt tuning does not perform well for normal-sized pretrained models. We also find that exis…

Cited by 1517SourcePDFScholar
2022

Retrieval-Based Spatially Adaptive Normalization for Semantic Image Synthesis

CVPR 2022poster

Semantic image synthesis is a challenging task with many practical applications. Albeit remarkable progress has been made in semantic image synthesis with spatially-adaptive normalization and existing methods normalize the feature activations under the coarse-level guidance (e.g., semantic class). H…

Cited by 33PDFcodeScholar
2022

SimANS: Simple Ambiguous Negatives Sampling for Dense Text Retrieval

EMNLP 2022industry

Sampling proper negatives from a large document pool is vital to effectively train a dense retrieval model. However, existing negative sampling strategies suffer from the uninformative or false negative problem. In this work, we empirically show that according to the measured relevance scores, the n…

2022

Syntax-Aware Network for Handwritten Mathematical Expression Recognition

CVPR 2022poster

Handwritten mathematical expression recognition (HMER) is a challenging task that has many potential applications. Recent methods for HMER have achieved outstanding performance with an encoder-decoder architecture. However, these methods adhere to the paradigm that the prediction is made "from one c…

Cited by 98PDFScholar
2022

Things not Written in Text: Exploring Spatial Commonsense from Visual Signals

ACL 2022long

Spatial commonsense, the knowledge about spatial position and relationship between objects (like the relative size of a lion and a girl, and the position of a boy relative to a bicycle when cycling), is an important part of commonsense knowledge. Although pretrained language models (PLMs) succeed in…

2022

When Counting Meets HMER: Counting-Aware Network for Handwritten Mathematical Expression Recognition

ECCV 2022poster

"Recently, most handwritten mathematical expression recognition (HMER) methods adopt the encoder-decoder networks, which directly predict the markup sequences from formula images with the attention mechanism. However, such methods may fail to accurately read formulas with complicated structure or ge…

2021

Everything Has a Cause: Leveraging Causal Inference in Legal Text Analysis

NAACL 2021long

Causal inference is the process of capturing cause-effect relationship among variables. Most existing works focus on dealing with structured data, while mining causal relationship among factors from unstructured data, like text, has been less examined, but is of great importance, especially in the l…

2021

Learning with Noisy Correspondence for Cross-modal Matching

NeurIPS 2021oral

Cross-modal matching, which aims to establish the correspondence between two different modalities, is fundamental to a variety of tasks such as cross-modal retrieval and vision-and-language understanding. Although a huge number of cross-modal matching methods have been proposed and achieved remarkab…

2021

Orthogonal Jacobian Regularization for Unsupervised Disentanglement in Image Generation

ICCV 2021poster

Unsupervised disentanglement learning is a crucial issue for understanding and exploiting deep generative models. Recently, SeFa tries to find latent disentangled directions by performing SVD on the first projection of a pre-trained GAN. However, it is only applied to the first layer and works in a…

Cited by 72PDFcodeScholar
2021

Structure Reconstruction Using Ray-Point-Ray Features: Representation and Camera Pose Estimation

ICRA 2021poster

Straight line features have been increasingly utilized in visual SLAM and 3D reconstruction systems. The straight lines’ parameterization, parallel constraint, and coplanar constraint are studied in many recent works. In this paper, we explore the novel intersection constraint of straight lines for…

Cited by 3SourceScholar
2021

Zero-Shot Information Extraction as a Unified Text-to-Triple Translation

EMNLP 2021main

We cast a suite of information extraction tasks into a text-to-triple translation framework. Instead of solving each task relying on task-specific datasets and models, we formalize the task as a translation between task-specific input text and output triples. By taking the task-specific input, we en…

2020

An Attention-driven Two-stage Clustering Method for Unsupervised Person Re-Identification

ECCV 2020poster

The progressive clustering method and its variants, which iteratively generate pseudo labels for unlabeled data and perform feature learning, have shown great process in unsupervised person re-identification (re-id). However, they have an intrinsic problem of modeling the in-camera variability of im…

Cited by 65SourcePDFScholar
2020

Dialogue State Induction Using Neural Latent Variable Models

IJCAI 2020poster

Dialogue state modules are a useful component in a task-oriented dialogue system. Traditional methods find dialogue states by manually labeling training corpora, upon which neural models are trained. However, the labeling process can be costly, slow, error-prone, and more importantly, cannot cover t…

2020

TP-LSD: Tri-Points Based Line Segment Detector

ECCV 2020poster

This paper proposes a novel deep convolutional model, Tri-Points Based Line Segment Detector (TP-LSD), to detect line segments in an image at real-time speed. The previous related methods typically use the two-step strategy, relying on either heuristic post-process or extra classifier. To realize on…

2019

BMN: Boundary-Matching Network for Temporal Action Proposal Generation

ICCV 2019poster

Temporal action proposal generation is an challenging and promising task which aims to locate temporal regions in real-world videos where action or event may occur. Current bottom-up proposal generation methods can generate proposals with precise boundary, but cannot efficiently generate adequately…

Cited by 791PDFcodeScholar
2019

Image Inpainting With Learnable Bidirectional Attention Maps

ICCV 2019poster

Most convolutional network (CNN)-based inpainting methods adopt standard convolution to indistinguishably treat valid pixels and holes, making them limited in handling irregular holes and more likely to generate inpainting results with color discrepancy and blurriness. Partial convolution has been s…

Cited by 319PDFcodeScholar
2019

Push-pull Feedback Implements Hierarchical Information Retrieval Efficiently

NeurIPS 2019poster

Experimental data has revealed that in addition to feedforward connections, there exist abundant feedback connections in a neural pathway. Although the importance of feedback in neural information processing has been widely recognized in the field, the detailed mechanism of how it works remains larg…

2019

Rorg: Service Robot Software Management with Linux Containers

ICRA 2019poster

Scaling up the software system on service robots increases the maintenance burden of developers and the risk of resource contention of the computer embedded on robots. As a result, developers spend much time on configuring, deploying, and monitoring the robot software system; robots may utilize sign…

Cited by 14SourceScholar
2019

STGAN: A Unified Selective Transfer Network for Arbitrary Image Attribute Editing

CVPR 2019poster

Arbitrary attribute editing generally can be tackled by incorporating encoder-decoder and generative adversarial networks. However, the bottleneck layer in encoder-decoder usually gives rise to blurry and low quality editing result. And adding skip connections improves image quality at the cost of w…

Cited by 427PDFcodeScholar
2018

Attention Clusters: Purely Attention Based Local Feature Integration for Video Classification

CVPR 2018poster

Recently, substantial research effort has focused on how to apply CNNs or RNNs to better capture temporal patterns in videos, so as to improve the accuracy of video classification. In this paper, however, we show that temporal information, especially longer-term patterns, may not be necessary to ach…

2018

Fine-grained Video Categorization with Redundancy Reduction Attention

ECCV 2018poster

For fine-grained categorization tasks, videos could serve as a better source than static images as videos have a higher chance of containing discriminative patterns. Nevertheless, a video sequence could also contain a lot of redundant and irrelevant frames. How to locate critical information of inte…

Cited by 60SourcePDFScholar