Search Results for author: Yixuan Zhang

Found 50 papers, 18 papers with code

Mapping the Trust Terrain: LLMs in Software Engineering -- Insights and Perspectives

no code implementations18 Mar 2025 Dipin Khati, Yijin Liu, David N. Palacio, Yixuan Zhang, Denys Poshyvanyk

To bring clarity to the current research status and identify opportunities for future work, we conducted a comprehensive review of $88$ papers: a systematic literature review of $18$ papers focused on LLMs in SE, complemented by an analysis of 70 papers from broader trust literature.

Systematic Literature Review

EmoDiffusion: Enhancing Emotional 3D Facial Animation with Latent Diffusion Models

no code implementations14 Mar 2025 Yixuan Zhang, Qing Chang, Yuxi Wang, Guang Chen, Zhaoxiang Zhang, Junran Peng

Speech-driven 3D facial animation seeks to produce lifelike facial expressions that are synchronized with the speech content and its emotional nuances, finding applications in various multimedia fields.

RuozhiBench: Evaluating LLMs with Logical Fallacies and Misleading Premises

1 code implementation18 Feb 2025 Zenan Zhai, Hao Li, Xudong Han, Zhenxuan Zhang, Yixuan Zhang, Timothy Baldwin, Haonan Li

Recent advances in large language models (LLMs) have shown that they can answer questions requiring complex reasoning.

Logical Fallacies

Language-TPP: Integrating Temporal Point Processes with Language Models for Event Analysis

no code implementations11 Feb 2025 Quyu Kong, Yixuan Zhang, Yang Liu, Panrong Tong, Enqi Liu, Feng Zhou

Temporal Point Processes (TPPs) have been widely used for event sequence modeling, but they often struggle to incorporate rich textual event descriptions effectively.

Point Processes Type prediction

A computational loudness model for electrical stimulation with cochlear implants

no code implementations29 Jan 2025 Franklin Alvarez, Yixuan Zhang, Daniel Kipping, Waldo Nogueira

A computational model that uses a three-dimensional (3D) representation of the peripheral auditory system of CI users was developed to predict categorical loudness from the simulated peripheral neural activity.

Advances in Temporal Point Processes: Bayesian, Deep, and LLM Approaches

no code implementations24 Jan 2025 Feng Zhou, Quyu Kong, Yixuan Zhang

Temporal point processes (TPPs) are stochastic process models used to characterize event sequences occurring in continuous time.

Point Processes

Hierarchical Multi-Graphs Learning for Robust Group Re-Identification

no code implementations25 Dec 2024 Ruiqi Liu, Xingyu Liu, Xiaohao Xu, Yixuan Zhang, Yongxin Ge, Lubin Weng

Group Re-identification (G-ReID) faces greater complexity than individual Re-identification (ReID) due to challenges like mutual occlusion, dynamic member interactions, and evolving group structures.

Navigating Towards Fairness with Data Selection

no code implementations15 Dec 2024 Yixuan Zhang, Zhidong Li, Yang Wang, Fang Chen, Xuhui Fan, Feng Zhou

Machine learning algorithms often struggle to eliminate inherent data biases, particularly those arising from unreliable labels, which poses a significant challenge in ensuring fairness.

Fairness Holdout Set

Task Diversity in Bayesian Federated Learning: Simultaneous Processing of Classification and Regression

1 code implementation14 Dec 2024 Junliang Lyu, Yixuan Zhang, Xiaoling Lu, Feng Zhou

This work addresses a key limitation in current federated learning approaches, which predominantly focus on homogeneous tasks, neglecting the task diversity on local devices.

Computational Efficiency Diversity +4

OOD-HOI: Text-Driven 3D Whole-Body Human-Object Interactions Generation Beyond Training Domains

no code implementations27 Nov 2024 Yixuan Zhang, Hui Yang, Chuanchen Luo, Junran Peng, Yuxi Wang, Zhaoxiang Zhang

Generating realistic 3D human-object interactions (HOIs) from text descriptions is a active research topic with potential applications in virtual and augmented reality, robotics, and animation.

Human-Object Interaction Detection

Causal Representation Learning from Multimodal Biomedical Observations

no code implementations10 Nov 2024 Yuewen Sun, Lingjing Kong, Guangyi Chen, Loka Li, Gongxu Luo, Zijian Li, Yixuan Zhang, Yujia Zheng, Mengyue Yang, Petar Stojanov, Eran Segal, Eric P. Xing, Kun Zhang

Theoretically, we consider a nonparametric latent distribution (c. f., parametric assumptions in previous work) that allows for causal relationships across potentially different modalities.

Representation Learning

Nonstationary Sparse Spectral Permanental Process

1 code implementation4 Oct 2024 Zicheng Sun, Yixuan Zhang, Zenan Ling, Xuhui Fan, Feng Zhou

Existing permanental processes often impose constraints on kernel types or stationarity, limiting the model's expressiveness.

The Collusion of Memory and Nonlinearity in Stochastic Approximation With Constant Stepsize

no code implementations27 May 2024 Dongyan Huo, Yixuan Zhang, Yudong Chen, Qiaomin Xie

By leveraging the smoothness and recurrence properties of the SA updates, we develop a fine-grained analysis of the correlation between the SA iterates $\theta_k$ and Markovian data $x_k$.

Prelimit Coupling and Steady-State Convergence of Constant-stepsize Nonsmooth Contractive SA

no code implementations9 Apr 2024 Yixuan Zhang, Dongyan Huo, Yudong Chen, Qiaomin Xie

Motivated by Q-learning, we study nonsmooth contractive stochastic approximation (SA) with constant stepsize.

Q-Learning

Against The Achilles' Heel: A Survey on Red Teaming for Generative Models

1 code implementation31 Mar 2024 Lizhi Lin, Honglin Mu, Zenan Zhai, Minghan Wang, Yuxia Wang, Renxi Wang, Junjie Gao, Yixuan Zhang, Wanxiang Che, Timothy Baldwin, Xudong Han, Haonan Li

Generative models are rapidly gaining popularity and being integrated into everyday applications, raising concerns over their safe use as various vulnerabilities are exposed.

Red Teaming Survey

Bias Mitigation in Fine-tuning Pre-trained Models for Enhanced Fairness and Efficiency

no code implementations1 Mar 2024 Yixuan Zhang, Feng Zhou

Fine-tuning pre-trained models is a widely employed technique in numerous real-world applications.

Fairness Transfer Learning

Confidence Matters: Revisiting Intrinsic Self-Correction Capabilities of Large Language Models

1 code implementation19 Feb 2024 Loka Li, Zhenhao Chen, Guangyi Chen, Yixuan Zhang, Yusheng Su, Eric Xing, Kun Zhang

We have experimentally observed that LLMs possess the capability to understand the "confidence" in their own responses.

Learning From Failure: Integrating Negative Examples when Fine-tuning Large Language Models as Agents

1 code implementation18 Feb 2024 Renxi Wang, Haonan Li, Xudong Han, Yixuan Zhang, Timothy Baldwin

However, LLMs are optimized for language generation instead of tool use during training or alignment, limiting their effectiveness as agents.

Mathematical Reasoning Multi-hop Question Answering +2

Deep Equilibrium Models are Almost Equivalent to Not-so-deep Explicit Models for High-dimensional Gaussian Mixtures

1 code implementation5 Feb 2024 Zenan Ling, Longbo Li, Zhanbo Feng, Yixuan Zhang, Feng Zhou, Robert C. Qiu, Zhenyu Liao

Deep equilibrium models (DEQs), as a typical implicit neural network, have demonstrated remarkable success on various tasks.

Constant Stepsize Q-learning: Distributional Convergence, Bias and Extrapolation

no code implementations25 Jan 2024 Yixuan Zhang, Qiaomin Xie

By connecting the constant stepsize Q-learning to a time-homogeneous Markov chain, we show the distributional convergence of the iterates in Wasserstein distance and establish its exponential convergence rate.

Q-Learning Reinforcement Learning (RL)

The Good, The Bad, and Why: Unveiling Emotions in Generative AI

no code implementations18 Dec 2023 Cheng Li, Jindong Wang, Yixuan Zhang, Kaijie Zhu, Xinyi Wang, Wenxin Hou, Jianxun Lian, Fang Luo, Qiang Yang, Xing Xie

Through extensive experiments involving language and multi-modal models on semantic understanding, logical reasoning, and generation tasks, we demonstrate that both textual and visual EmotionPrompt can boost the performance of AI models while EmotionAttack can hinder it.

Logical Reasoning

Mitigating Label Bias in Machine Learning: Fairness through Confident Learning

no code implementations14 Dec 2023 Yixuan Zhang, Boyu Li, Zenan Ling, Feng Zhou

In this paper, we demonstrate that despite only having access to the biased labels, it is possible to eliminate bias by filtering the fairest instances within the framework of confident learning.

Fairness

Leveraging Laryngograph Data for Robust Voicing Detection in Speech

1 code implementation5 Dec 2023 Yixuan Zhang, Heming Wang, DeLiang Wang

Accurately detecting voiced intervals in speech signals is a critical step in pitch tracking and has numerous applications.

Distilling the Unknown to Unveil Certainty

1 code implementation14 Nov 2023 Zhilin Zhao, Longbing Cao, Yixuan Zhang, Kun-Yu Lin, Wei-Shi Zheng

This paper introduces OOD knowledge distillation, a pioneering learning framework applicable whether or not training ID data is available, given a standard network.

Knowledge Distillation Out of Distribution (OOD) Detection

CompeteAI: Understanding the Competition Dynamics in Large Language Model-based Agents

1 code implementation26 Oct 2023 Qinlin Zhao, Jindong Wang, Yixuan Zhang, Yiqiao Jin, Kaijie Zhu, Hao Chen, Xing Xie

We hope that the framework and environment can be a promising testbed to study competition that fosters understanding of society.

Language Modeling Language Modelling +1

Can Large Language Model Comprehend Ancient Chinese? A Preliminary Test on ACLUE

1 code implementation14 Oct 2023 Yixuan Zhang, Haonan Li

To bridge this gap, we present ACLUE, an evaluation benchmark designed to assess the capability of language models in comprehending ancient Chinese.

Language Modeling Language Modelling +1

MetaAgents: Simulating Interactions of Human Behaviors for LLM-based Task-oriented Coordination via Collaborative Generative Agents

1 code implementation10 Oct 2023 Yuan Li, Yixuan Zhang, Lichao Sun

We propose a novel framework that equips collaborative generative agents with human-like reasoning abilities and specialized skills.

Advancing Acoustic Howling Suppression through Recursive Training of Neural Networks

no code implementations27 Sep 2023 Hao Zhang, Yixuan Zhang, Meng Yu, Dong Yu

In this paper, we introduce a novel training framework designed to comprehensively address the acoustic howling issue by examining its fundamental formation process.

Acoustic echo cancellation

Neural Network Augmented Kalman Filter for Robust Acoustic Howling Suppression

no code implementations27 Sep 2023 Yixuan Zhang, Hao Zhang, Meng Yu, Dong Yu

Acoustic howling suppression (AHS) is a critical challenge in audio communication systems.

Large Language Models Understand and Can be Enhanced by Emotional Stimuli

no code implementations14 Jul 2023 Cheng Li, Jindong Wang, Yixuan Zhang, Kaijie Zhu, Wenxin Hou, Jianxun Lian, Fang Luo, Qiang Yang, Xing Xie

In addition to those deterministic tasks that can be automatically evaluated using existing metrics, we conducted a human study with 106 participants to assess the quality of generative tasks using both vanilla and emotional prompts.

Emotional Intelligence Informativeness

CMMLU: Measuring massive multitask language understanding in Chinese

1 code implementation15 Jun 2023 Haonan Li, Yixuan Zhang, Fajri Koto, Yifei Yang, Hai Zhao, Yeyun Gong, Nan Duan, Timothy Baldwin

As the capabilities of large language models (LLMs) continue to advance, evaluating their performance becomes increasingly crucial and challenging.

Large Language Model

Hierarchical Optimization-Derived Learning

no code implementations11 Feb 2023 Risheng Liu, Xuan Liu, Shangzhi Zeng, Jin Zhang, Yixuan Zhang

In recent years, by utilizing optimization techniques to formulate the propagation of deep model, a variety of so-called Optimization-Derived Learning (ODL) approaches have been proposed to address diverse learning and vision tasks.

NeuralKalman: A Learnable Kalman Filter for Acoustic Echo Cancellation

no code implementations29 Jan 2023 Yixuan Zhang, Meng Yu, Hao Zhang, Dong Yu, DeLiang Wang

The robustness of the Kalman filter to double talk and its rapid convergence make it a popular approach for addressing acoustic echo cancellation (AEC) challenges.

Acoustic echo cancellation

De-biased Representation Learning for Fairness with Unreliable Labels

no code implementations1 Aug 2022 Yixuan Zhang, Feng Zhou, Zhidong Li, Yang Wang, Fang Chen

In other words, the fair pre-processing methods ignore the discrimination encoded in the labels either during the learning procedure or the evaluation stage.

Fairness Representation Learning

Optimization-Derived Learning with Essential Convergence Analysis of Training and Hyper-training

no code implementations16 Jun 2022 Risheng Liu, Xuan Liu, Shangzhi Zeng, Jin Zhang, Yixuan Zhang

Recently, Optimization-Derived Learning (ODL) has attracted attention from learning and vision areas, which designs learning models from the perspective of optimization.

Image Deconvolution

Continuous Speech Separation with Recurrent Selective Attention Network

no code implementations28 Oct 2021 Yixuan Zhang, Zhuo Chen, Jian Wu, Takuya Yoshioka, Peidong Wang, Zhong Meng, Jinyu Li

In this paper, we propose to apply recurrent selective attention network (RSAN) to CSS, which generates a variable number of output channels based on active speaker counting.

speech-recognition Speech Recognition +1

Value-Function-based Sequential Minimization for Bi-level Optimization

1 code implementation11 Oct 2021 Risheng Liu, Xuan Liu, Shangzhi Zeng, Jin Zhang, Yixuan Zhang

We also extend BVFSM to address BLO with additional functional constraints.

Bias-Tolerant Fair Classification

no code implementations7 Jul 2021 Yixuan Zhang, Feng Zhou, Zhidong Li, Yang Wang, Fang Chen

Therefore, we propose a Bias-TolerantFAirRegularizedLoss (B-FARL), which tries to regain the benefits using data affected by label bias and selection bias.

Classification Fairness +2

Nonlinear Hawkes Processes in Time-Varying System

no code implementations9 Jun 2021 Feng Zhou, Quyu Kong, Yixuan Zhang, Cheng Feng, Jun Zhu

Hawkes processes are a class of point processes that have the ability to model the self- and mutual-exciting phenomena.

Bayesian Inference Point Processes +1

Efficient Inference of Flexible Interaction in Spiking-neuron Networks

no code implementations ICLR 2021 Feng Zhou, Yixuan Zhang, Jun Zhu

Hawkes process provides an effective statistical framework for analyzing the time-dependent interaction of neuronal spiking activities.

Functional Connectivity

Digital Collaborator: Augmenting Task Abstraction in Visualization Design with Artificial Intelligence

no code implementations3 Mar 2020 Aditeya Pandey, Yixuan Zhang, John A. Guerra-Gomez, Andrea G. Parker, Michelle A. Borkin

In the task abstraction phase of the visualization design process, including in "design studies", a practitioner maps the observed domain goals to generalizable abstract tasks using visualization theory in order to better understand and address the users needs.

Fine-grained Image-to-Image Transformation towards Visual Recognition

no code implementations CVPR 2020 Wei Xiong, Yutong He, Yixuan Zhang, Wenhan Luo, Lin Ma, Jiebo Luo

In this paper, we aim at transforming an image with a fine-grained category to synthesize new images that preserve the identity of the input image, which can thereby benefit the subsequent fine-grained image recognition and few-shot learning tasks.

Few-Shot Learning Fine-Grained Image Recognition

Fashion Editing with Adversarial Parsing Learning

no code implementations CVPR 2020 Haoye Dong, Xiaodan Liang, Yixuan Zhang, Xujie Zhang, Zhenyu Xie, Bowen Wu, Ziqi Zhang, Xiaohui Shen, Jian Yin

Interactive fashion image manipulation, which enables users to edit images with sketches and color strokes, is an interesting research problem with great application value.

Decoder Generative Adversarial Network +2

Human-Centered Emotion Recognition in Animated GIFs

1 code implementation27 Apr 2019 Zhengyuan Yang, Yixuan Zhang, Jiebo Luo

The framework consists of a facial attention module and a hierarchical segment temporal module.

Emotion Recognition

End-to-end Multi-Modal Multi-Task Vehicle Control for Self-Driving Cars with Visual Perception

1 code implementation20 Jan 2018 Zhengyuan Yang, Yixuan Zhang, Jerry Yu, Junjie Cai, Jiebo Luo

In this work, we propose a multi-task learning framework to predict the steering angle and speed control simultaneously in an end-to-end manner.

Autonomous Driving Multi-Task Learning +2

Boundary-based Image Forgery Detection by Fast Shallow CNN

1 code implementation20 Jan 2018 Zhongping Zhang, Yixuan Zhang, Zheng Zhou, Jiebo Luo

In this paper, we substantiate that Fast SCNN can detect drastic change of chroma and saturation.

Demosaicking Image Forgery Detection

Cannot find the paper you are looking for? You can Submit a new open access paper.