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Yang Xiang

53 accepted papers

2026

BoostSLT: Boosting Sign Language Translation via a Plug-and-Play Diffusion-Based Semantic Enhancer

CVPR 2026

Sign Language Translation (SLT) converts continuous sign videos into spoken language text, yet current models, whether gloss-based or gloss-free, struggle with long or discourse-level inputs. Recent architectures such as TwoStreamNetwork and CV-SLT have nearly saturated short-sentence accuracy, but

Cited by 0SourcecodeScholar
2026

CCFQA: A Benchmark for Cross-Lingual and Cross-Modal Speech and Text Factuality Evaluation

AAAI 2026technical

As Large Language Models (LLMs) are increasingly popularized in the multilingual world, ensuring hallucination-free factuality becomes markedly crucial. However, existing benchmarks for evaluating the reliability of Multimodal Large Language Models (MLLMs) predominantly focus on textual or visual m

Cited by 0SourcePDFScholar
2026

ConFlux: Multivariate Time Series in Flux, One Unified Forecast in Confluence

ICML 2026oral

Real-world multivariate time series are inherently in flux: different variables evolve asynchronously and interact in complex, time-varying ways, yet accurate forecasting requires these dispersed signals to converge into a single unified prediction. This structural mismatch between dynamic, heteroge…

Cited by 0SourceScholar
2026

Decoupling Skeleton and Flesh: Efficient Multimodal Table Reasoning with Disentangled Alignment and Structure-aware Guidance

ICML 2026spotlight

Reasoning over table images remains challenging for Large Vision-Language Models (LVLMs) due to complex layouts and tightly coupled structure–content information. Existing solutions often depend on expensive supervised training, reinforcement learning, or external tools, limiting efficiency and scal…

Cited by 0SourceScholar
2026

Evaluating and Improving Cultural Awareness of Reward Models for LLM Alignment

ICLR 2026poster

Reward models (RMs) are crucial for aligning large language models (LLMs) with diverse cultures. Consequently, evaluating their cultural awareness is essential for further advancing global alignment of LLMs. However, existing RM evaluations fall short in assessing cultural awareness due to the scarc…

Cited by 0SourceScholar
2026

Evaluating and Steering Modality Preferences in Multi-modal LLMs

ICML 2026poster

Multi-modal large language models (MLLMs) have achieved remarkable success on complex multi-modal tasks. However, it remains insufficiently explored whether they exhibit \textit{modality preference}, a tendency to favor one modality over another when processing multi-modal contexts. To study this qu…

Cited by 0SourceScholar
2026

FunCineForge: A Unified Dataset Pipeline and Model for Zero-Shot Movie Dubbing in Diverse Cinematic Scenes

IJCAI 2026

Movie dubbing is the task of synthesizing speech from scripts conditioned on video scenes, requiring accurate lip sync, faithful timbre transfer, and proper modeling of character identity and emotion. However, existing methods face two major limitations: (1) high-quality multimodal dubbing datasets

Cited by 0Scholar
2026

KaLM-Embedding-V2: Superior Training Techniques and Data Inspire A Versatile Embedding Model

ICLR 2026poster

Recent advancements in Large Language Models (LLMs)-based text embedding models primarily focus on data scaling or synthesis, yet limited exploration of training techniques and data quality, thereby constraining performance. In this work, we propose KaLM-Embedding-V2, a series of versatile and compa…

Cited by 0SourcecodeScholar
2026

Mitigating Translationese Bias in Multilingual LLM-as-a-Judge via Disentangled Information Bottleneck

ICML 2026poster

Large language models (LLMs) have emerged as a standard paradigm for automated multilingual evaluation, yet exhibit systematic biases. In this paper, we identify ``translationese bias'', in which LLMs systematically favor machine-translated text over human-authored references, and this bias is parti…

Cited by 0SourceScholar
2026

Scalable Multilingual Multimodal Machine Translation with Speech-Text Fusion

ICLR 2026poster

Multimodal Large Language Models (MLLMs) have achieved notable success in enhancing translation performance by integrating multimodal information. However, existing research primarily focuses on image-guided methods, whose applicability is constrained by the scarcity of multilingual image-text pairs…

Cited by 0SourceScholar
2026

Stabilizing Reinforcement Learning for Diffusion Language Models

ICML 2026poster

Diffusion Large Language Models (dLLMs) often exhibit severe instability during Group Relative Policy Optimization (GRPO) training, limiting the effectiveness of reinforcement learning for improving reasoning capabilities. In dLLMs, the importance ratios used by GRPO are derived from finite-sample e…

Cited by 0SourceScholar
2026

TWINFUZZ: Dual-Model Fuzzing for Robustness Generalization in Deep Learning

AAAI 2026technical

Deep learning (DL) models are increasingly deployed in safety-critical applications such as face recognition, autonomous driving, and medical diagnosis. Despite their impressive accuracy, they remain vulnerable to adversarial examples - subtle perturbations that can cause incorrect predictions, i.e.

Cited by 0SourcePDFScholar
2026

The Visual Prism: Refracting Images into Parallel Multilingual Descriptions with Structured Visual Guidance

AAAI 2026technical

Parallel corpora, as the foundation of machine translation, remain crucial even in the era of large language models (LLMs) for pre-training and fine-tuning. However, annotating parallel corpora is extremely costly, as it requires annotators to be proficient in multiple languages. To reduce this cost

Cited by 0SourcePDFScholar
2026

TweezeEdit: Consistent and Efficient Image Editing with Path Regularization

AAAI 2026technical

Recent progress in training-free image editing has enabled existing text-to-image diffusion models to be directly adapted into text-guided image editors without additional training. However, existing methods often over-align with target prompts while inadequately preserving source image semantics. T

Cited by 0SourcePDFScholar
2025

A Survey on the Feedback Mechanism of LLM-based AI Agents

IJCAI 2025

Large language models (LLMs) are increasingly being adopted to develop general-purpose AI agents. However, it remains challenging for these LLM-based AI agents to efficiently learn from feedback and iteratively optimize their strategies. To address this challenge, tremendous efforts have been dedica

2025

A Variable Stiffness Fin for Manta Ray-Inspired Robots With Two Motion Modals

RA-L 2025

Manta ray-inspired robots exhibit broad application prospects. In nature, different manta rays possess different stiffness of pectoral fins to survive in specific environment. Some rays present stiffer fins that enable an oscillation, achieving large propulsion to adapt to a pelagic lifestyle. While

Cited by 3SourceScholar
2025

Benchmarking LLMs for Translating Classical Chinese Poetry: Evaluating Adequacy, Fluency, and Elegance

EMNLP 2025

Large language models (LLMs) have shown remarkable performance in general translation tasks. However, the increasing demand for high-quality translations that are not only adequate but also fluent and elegant. To assess the extent to which current LLMs can meet these demands, we introduce a suitable

2025

Benchmarking and Improving Large Vision-Language Models for Fundamental Visual Graph Understanding and Reasoning

ACL 2025long

Large Vision-Language Models (LVLMs) have demonstrated remarkable performance across diverse tasks. Despite great success, recent studies show that LVLMs encounter substantial limitations when engaging with visual graphs. To study the reason behind these limitations, we propose VGCure, a comprehensi…

2025

Beware of Calibration Data for Pruning Large Language Models

ICLR 2025poster

As large language models (LLMs) are widely applied across various fields, model compression has become increasingly crucial for reducing costs and improving inference efficiency. Post-training pruning is a promising method that does not require resource-intensive iterative training and only needs a…

Cited by 1SourcePDFScholar
2025

CLAIM: Mitigating Multilingual Object Hallucination in Large Vision-Language Models with Cross-Lingual Attention Intervention

ACL 2025long

Large Vision-Language Models (LVLMs) have demonstrated impressive multimodal abilities but remain prone to multilingual object hallucination, with a higher likelihood of generating responses inconsistent with the visual input when utilizing queries in non-English languages compared to English. Most…

Cited by 0SourcePDFScholar
2025

Exploring the Translation Mechanism of Large Language Models

NeurIPS 2025poster

While large language models (LLMs) demonstrate remarkable success in multilingual translation, their internal core translation mechanisms, even at the fundamental word level, remain insufficiently understood. To address this critical gap, this work introduces a systematic framework for interpreting…

Cited by 0SourceScholar
2025

From Long to Lean: Performance-aware and Adaptive Chain-of-Thought Compression via Multi-round Refinement

EMNLP 2025

Chain-of-Thought (CoT) reasoning improves performance on complex tasks but introduces significant inference latency due to its verbosity. In this work, we propose Multiround Adaptive Chain-of-Thought Compression ( MACC ), a framework that leverages the token elasticity phenomenon —where overly small

2025

LLM-based Translation Inference with Iterative Bilingual Understanding

ACL 2025finding

The remarkable understanding and generation capabilities of large language models (LLMs) have greatly improved translation performance. However, incorrect understanding of the sentence to be translated can degrade translation quality. To address this issue, we proposed a novel Iterative Bilingual Un…

2025

Leveraging Chain of Thought towards Empathetic Spoken Dialogue without Corresponding Question-Answering Data

ICASSP 2025accepted

Empathetic dialogue is crucial for natural human-computer interaction, allowing the dialogue system to respond in a more personalized and emotionally aware manner, improving user satisfaction and engagement. The emergence of large language models (LLMs) has revolutionized dialogue generation by harn…

Cited by 0SourceScholar
2025

Making LLMs Better Many-to-Many Speech-to-Text Translators with Curriculum Learning

ACL 2025long

Multimodal Large Language Models (MLLMs) have achieved significant success in Speech-to-Text Translation (S2TT) tasks. While most existing research has focused on English-centric translation directions, the exploration of many-to-many translation is still limited by the scarcity of parallel data. To…

2025

ProjectEval: A Benchmark for Programming Agents Automated Evaluation on Project-Level Code Generation

ACL 2025finding

Recently, LLM agents have made rapid progress in improving their programming capabilities. However, existing benchmarks lack the ability to automatically evaluate from users’ perspective, and also lack the explainability of the results of LLM agents’ code generation capabilities. Thus, we introduce…

2025

The Foldable Fin With Dynamic Adjustments for Manta Ray-Inspired Robots

RA-L 2025

Biological manta rays alter the projected area of their pectoral fins during flapping, achieve different flapping strokes to adjust dynamic generation, such as holding, rising, sinking and rolling strokes. Manta ray-inspired robots possess high motion efficiency and stability, exhibiting broad prosp

Cited by 1SourceScholar
2025

Towards Efficient CoT Distillation: Self-Guided Rationale Selector for Better Performance with Fewer Rationales

EMNLP 2025

CoT distillation is critical for enhancing small language models’ (SLMs) reasoning by transferring multi-step reasoning capability from the larger teacher models. However, existing work underestimates the importance of rationale quality, focusing primarily on data quantity, which may result in trans

2025

Towards a Golden Classifier-Free Guidance Path via Foresight Fixed Point Iterations

NeurIPS 2025spotlight

Classifier-Free Guidance (CFG) is an essential component of text-to-image diffusion models, and understanding and advancing its operational mechanisms remains a central focus of research. Existing approaches stem from divergent theoretical interpretations, thereby limiting the design space and obscu…

Cited by 0SourceScholar
2024

A Deep Representation Learning-Based Speech Enhancement Method Using Complex Convolution Recurrent Variational Autoencoder

ICASSP 2024accepted

Generally, the performance of deep neural networks (DNNs) heavily depends on the quality of data representation learning. Our preliminary work has emphasized the significance of deep representation learning (DRL) in the context of speech enhancement (SE) applications. Specifically, our initial SE al…

Cited by 0SourceScholar
2024

Adaptive Feature-based Low-Rank Compression of Large Language Models via Bayesian Optimization

EMNLP 2024finding

In recent years, large language models (LLMs) have driven advances in natural language processing. Still, their growing scale has increased the computational burden, necessitating a balance between efficiency and performance. Low-rank compression, a promising technique, reduces non-essential paramet…

2024

DUAL-REFLECT: Enhancing Large Language Models for Reflective Translation through Dual Learning Feedback Mechanisms

ACL 2024short

Recently, large language models (LLMs) enhanced by self-reflection have achieved promising performance on machine transla004 tion. The key idea is guiding LLMs to generate translation with human-like feedback. However, existing self-reflection methods lack effective feedback information, limiting th…

2024

DiffHammer: Rethinking the Robustness of Diffusion-Based Adversarial Purification

NeurIPS 2024poster

Diffusion-based purification has demonstrated impressive robustness as an adversarial defense. However, concerns exist about whether this robustness arises from insufficient evaluation. Our research shows that EOT-based attacks face gradient dilemmas due to global gradient averaging, resulting in in…

Cited by 1SourcePDFScholar
2024

Ensemble Learning for Heterogeneous Large Language Models with Deep Parallel Collaboration

NeurIPS 2024spotlight

Large language models (LLMs) exhibit complementary strengths in various tasks, motivating the research of LLM ensembling. However, existing work focuses on training an extra reward model or fusion model to select or combine all candidate answers, posing a great challenge to the generalization on uns…

2024

FG-EmoTalk: Talking Head Video Generation with Fine-Grained Controllable Facial Expressions

AAAI 2024technical

Although deep generative models have greatly improved one-shot video-driven talking head generation, few studies address fine-grained controllable facial expression editing, which is crucial for practical applications. Existing methods rely on a fixed set of predefined discrete emotion labels or sim…

Cited by 7SourcePDFScholar
2024

Linguistic Rule Induction Improves Adversarial and OOD Robustness in Large Language Models

COLING 2024main

Ensuring robustness is especially important when AI is deployed in responsible or safety-critical environments. ChatGPT can perform brilliantly in both adversarial and out-of-distribution (OOD) robustness, while other popular large language models (LLMs), like LLaMA-2, ERNIE and ChatGLM, do not perf…

Cited by 1SourcePDFScholar
2024

Paying More Attention to Source Context: Mitigating Unfaithful Translations from Large Language Model

ACL 2024findings

Large language models (LLMs) have showcased their remarkable capabilities to handle various downstream tasks, including multilingual machine translation ability. Despite their impressive performance, decoder-only LLMs lack an explicit alignment between source and target contexts, leading to translat…

2024

RL in Markov Games with Independent Function Approximation: Improved Sample Complexity Bound under the Local Access Model

AISTATS 2024poster

Efficiently learning equilibria with large state and action spaces in general-sum Markov games while overcoming the curse of multi-agency is a challenging problem. Recent works have attempted to solve this problem by employing independent linear function classes to approximate the marginal $Q$-value…

Cited by 2SourcePDFScholar
2024

ZO-AdaMU Optimizer: Adapting Perturbation by the Momentum and Uncertainty in Zeroth-Order Optimization

AAAI 2024technical

Lowering the memory requirement in full-parameter training on large models has become a hot research area. MeZO fine-tunes the large language models (LLMs) by just forward passes in a zeroth-order SGD optimizer (ZO-SGD), demonstrating excellent performance with the same GPU memory usage as inference…

2023

CCEval: A Representative Evaluation Benchmark for the Chinese-centric Multilingual Machine Translation

EMNLP 2023short findings

The Chinese-centric Multilingual Machine Translation (MMT) has gained more importance recently due to increasing demands from international business development and cross-cultural exchanges. However, an important factor that limits the progress of this area is the lack of highly representative and…

Cited by 0SourceScholar
2023

Controllable Contrastive Generation for Multilingual Biomedical Entity Linking

EMNLP 2023long main

Multilingual biomedical entity linking (MBEL) aims to map language-specific mentions in the biomedical text to standardized concepts in a multilingual knowledge base (KB) such as Unified Medical Language System (UMLS). In this paper, we propose Con2GEN, a prompt-based controllable contrastive genera…

Cited by 0SourceScholar
2023

EARA: Improving Biomedical Semantic Textual Similarity with Entity-Aligned Attention and Retrieval Augmentation

EMNLP 2023long findings

Measuring Semantic Textual Similarity (STS) is a fundamental task in biomedical text processing, which aims at quantifying the similarity between two input biomedical sentences. Unfortunately, the STS datasets in the biomedical domain are relatively smaller but more complex in semantics than common…

Cited by 0SourcecodeScholar
2023

Improving Low-resource Question Answering by Augmenting Question Information

EMNLP 2023short findings

In the era of large models, low-resource question-answering tasks lag, emphasizing the importance of data augmentation - a key research avenue in natural language processing. The main challenges include leveraging the large model's internal knowledge for data augmentation, determining which QA data…

Cited by 0SourceScholar
2023

Nearly Optimal VC-Dimension and Pseudo-Dimension Bounds for Deep Neural Network Derivatives

NeurIPS 2023poster

This paper addresses the problem of nearly optimal Vapnik--Chervonenkis dimension (VC-dimension) and pseudo-dimension estimations of the derivative functions of deep neural networks (DNNs). Two important applications of these estimations include: 1) Establishing a nearly tight approximation result…

Cited by 29SourcePDFScholar
2023

Optimal Contextual Bandits with Knapsacks under Realizability via Regression Oracles

AISTATS 2023poster

We study the stochastic contextual bandit with knapsacks (CBwK) problem, where each action, taken upon a context, not only leads to a random reward but also costs a random resource consumption in a vector form. The challenge is to maximize the total reward without violating the budget for each resou…

2023

Tensor-based Complex-valued Graph Neural Network for Dynamic Coupling Multimodal brain Networks

ICASSP 2023accepted

The multi-modal neuroimage study has dramatically facilitated disease diagnosis. Tensor-based methods are commonly used to represent multi-modal data as multi-dimensional arrays and usually implement matrix decomposition. These methods can be seen as a linear algebraic way for the lossy compression…

Cited by 0SourceScholar
2022

A Bayesian Permutation Training Deep Representation Learning Method for Speech Enhancement with Variational Autoencoder

ICASSP 2022accepted

Recently, variational autoencoder (VAE), a deep representation learning (DRL) model, has been used to perform speech enhancement (SE). However, to the best of our knowledge, current VAE-based SE methods only apply VAE to model speech signal, while noise is modeled using the traditional non-negative…

Cited by 0SourceScholar
2022

CLLE: A Benchmark for Continual Language Learning Evaluation in Multilingual Machine Translation

EMNLP 2022finding

Continual Language Learning (CLL) in multilingual translation is inevitable when new languages are required to be translated. Due to the lack of unified and generalized benchmarks, the evaluation of existing methods is greatly influenced by experimental design which usually has a big gap from the in…

2022

Enhancing Entity Representations with Prompt Learning for Biomedical Entity Linking

IJCAI 2022poster

Biomedical entity linking aims to map mentions in biomedical text to standardized concepts or entities in a curated knowledge base (KB) such as Unified Medical Language System (UMLS). The latest research tends to solve this problem in a unified framework solely based on surface form matching between…

2021

A Novel NMF-HMM Speech Enhancement Algorithm Based on Poisson Mixture Model

ICASSP 2021accepted

In this paper, we propose a novel non-negative matrix factorization (NMF) and hidden Markov model (NMF-HMM) based speech enhancement algorithm, which employs a Poisson mixture model (PMM). Compared to the previously proposed NMF-HMM method, the new algorithm, termed PMM-NMF-HMM, uses the Poisson mix…

Cited by 5SourceScholar
2020

Learning to Generate Diverse Questions from Keywords

ICASSP 2020accepted

Diverse text generation has been emerging as an important topic of natural language generation. Traditional studies on question generation mainly investigate how to generate one question based on a given input (one-to-one). In this paper, we focus on a more complex question generation task, i.e., ge…

Cited by 0SourceScholar