Search Results for author: Zhiyuan Wang

Found 30 papers, 11 papers with code

Generative AI for Cel-Animation: A Survey

1 code implementation8 Jan 2025 Yunlong Tang, Junjia Guo, Pinxin Liu, Zhiyuan Wang, Hang Hua, Jia-Xing Zhong, Yunzhong Xiao, Chao Huang, Luchuan Song, Susan Liang, Yizhi Song, Liu He, Jing Bi, Mingqian Feng, Xinyang Li, Zeliang Zhang, Chenliang Xu

Traditional Celluloid (Cel) Animation production pipeline encompasses multiple essential steps, including storyboarding, layout design, keyframe animation, inbetweening, and colorization, which demand substantial manual effort, technical expertise, and significant time investment.

Domain-Agnostic Co-Evolution of Generalizable Parallel Algorithm Portfolios

1 code implementation6 Jan 2025 Zhiyuan Wang, Shengcai Liu, Peng Yang, Ke Tang

Generalization is the core objective when training optimizers from data.

Sample then Identify: A General Framework for Risk Control and Assessment in Multimodal Large Language Models

no code implementations10 Oct 2024 Qingni Wang, Tiantian Geng, Zhiyuan Wang, Teng Wang, Bo Fu, Feng Zheng

TRON comprises two main components: (1) a novel conformal score to sample response sets of minimum size, and (2) a nonconformity score to identify high-quality responses based on self-consistency theory, controlling the error rates by two specific risk levels.

Conformal Prediction Language Modeling +4

PALLM: Evaluating and Enhancing PALLiative Care Conversations with Large Language Models

1 code implementation23 Sep 2024 Zhiyuan Wang, Fangxu Yuan, Virginia LeBaron, Tabor Flickinger, Laura E. Barnes

Emerging large language models (LLMs) offer a new approach to assessing complex communication metrics, with the potential to advance the field through integration into passive sensing and just-in-time intervention systems.

In-Context Learning

AudioInsight: Detecting Social Contexts Relevant to Social Anxiety from Speech

no code implementations19 Jul 2024 Varun Reddy, Zhiyuan Wang, Emma Toner, Max Larrazabal, Mehdi Boukhechba, Bethany A. Teachman, Laura E. Barnes

While previous research has found that the presence of a social interaction can be detected from ambient audio, the nuances within social contexts, which influence how anxiety provoking interactions are, remain largely unexplored.

Converging Paradigms: The Synergy of Symbolic and Connectionist AI in LLM-Empowered Autonomous Agents

no code implementations11 Jul 2024 Haoyi Xiong, Zhiyuan Wang, Xuhong LI, Jiang Bian, Zeke Xie, Shahid Mumtaz, Anwer Al-Dulaimi, Laura E. Barnes

This article explores the convergence of connectionist and symbolic artificial intelligence (AI), from historical debates to contemporary advancements.

Decision Making Knowledge Graphs

ConU: Conformal Uncertainty in Large Language Models with Correctness Coverage Guarantees

1 code implementation29 Jun 2024 Zhiyuan Wang, Jinhao Duan, Lu Cheng, Yue Zhang, Qingni Wang, Xiaoshuang Shi, Kaidi Xu, HengTao Shen, Xiaofeng Zhu

Uncertainty quantification (UQ) in natural language generation (NLG) tasks remains an open challenge, exacerbated by the closed-source nature of the latest large language models (LLMs).

Conformal Prediction Text Generation +1

Estimating Difficulty Levels of Programming Problems with Pre-trained Model

no code implementations13 Jun 2024 Zhiyuan Wang, Wei zhang, Jun Wang

As the demand for programming skills grows across industries and academia, students often turn to Programming Online Judge (POJ) platforms for coding practice and competition.

Learning Mixture-of-Experts for General-Purpose Black-Box Discrete Optimization

1 code implementation29 May 2024 Shengcai Liu, Zhiyuan Wang, Yew-Soon Ong, Xin Yao, Ke Tang

MEGO can be used as a standalone sample-efficient optimizer or in conjunction with existing search methods as an initial solution generator.

Task-agnostic Decision Transformer for Multi-type Agent Control with Federated Split Training

no code implementations22 May 2024 Zhiyuan Wang, Bokui Chen, Xiaoyang Qu, Zhenhou Hong, Jing Xiao, Jianzong Wang

Our findings underscore the efficacy of the FSDT framework in effectively leveraging distributed offline reinforcement learning data to enable powerful multi-type agent decision systems.

AI Agent Autonomous Driving +4

Word-Sequence Entropy: Towards Uncertainty Estimation in Free-Form Medical Question Answering Applications and Beyond

no code implementations22 Feb 2024 Zhiyuan Wang, Jinhao Duan, Chenxi Yuan, Qingyu Chen, Tianlong Chen, Yue Zhang, Ren Wang, Xiaoshuang Shi, Kaidi Xu

Uncertainty estimation is crucial for the reliability of safety-critical human and artificial intelligence (AI) interaction systems, particularly in the domain of healthcare engineering.

MedQA Question Answering +1

P2DT: Mitigating Forgetting in task-incremental Learning with progressive prompt Decision Transformer

no code implementations22 Jan 2024 Zhiyuan Wang, Xiaoyang Qu, Jing Xiao, Bokui Chen, Jianzong Wang

Catastrophic forgetting poses a substantial challenge for managing intelligent agents controlled by a large model, causing performance degradation when these agents face new tasks.

Incremental Learning reinforcement-learning +1

HyKGE: A Hypothesis Knowledge Graph Enhanced Framework for Accurate and Reliable Medical LLMs Responses

1 code implementation26 Dec 2023 Xinke Jiang, Ruizhe Zhang, Yongxin Xu, Rihong Qiu, Yue Fang, Zhiyuan Wang, Jinyi Tang, Hongxin Ding, Xu Chu, Junfeng Zhao, Yasha Wang

In this paper, we investigate the retrieval-augmented generation (RAG) based on Knowledge Graphs (KGs) to improve the accuracy and reliability of Large Language Models (LLMs).

Diversity Knowledge Graphs +3

Spatial-Temporal Contrasting for Fine-Grained Urban Flow Inference

1 code implementation IEEE Transactions on Big Data 2023 Xovee Xu, Zhiyuan Wang, Qiang Gao, Ting Zhong, Bei Hui, Fan Zhou, Goce Trajcevski

Fine-grained urban flow inference (FUFI) problem aims to infer the fine-grained flow maps from coarse-grained ones, benefiting various smart-city applications by reducing electricity, maintenance, and operation costs.

Fine-Grained Urban Flow Inference Image Super-Resolution

Scalable CP Decomposition for Tensor Learning using GPU Tensor Cores

no code implementations22 Nov 2023 Zeliang Zhang, Zhuo Liu, Susan Liang, Zhiyuan Wang, Yifan Zhu, Chen Ding, Chenliang Xu

However, the application of tensor decomposition is largely hindered by the exponential increment of the computational complexity and storage consumption with the size of tensors.

Computational Efficiency Tensor Decomposition

A ModelOps-based Framework for Intelligent Medical Knowledge Extraction

no code implementations4 Oct 2023 Hongxin Ding, Peinie Zou, Zhiyuan Wang, Junfeng Zhao, Yasha Wang, Qiang Zhou

Extracting medical knowledge from healthcare texts enhances downstream tasks like medical knowledge graph construction and clinical decision-making.

Decision Making graph construction +2

DiffuseGAE: Controllable and High-fidelity Image Manipulation from Disentangled Representation

no code implementations12 Jul 2023 Yipeng Leng, Qiangjuan Huang, Zhiyuan Wang, Yangyang Liu, Haoyu Zhang

To further explore the latent space of Diff-AE and achieve a generic editing pipeline, we proposed a module called Group-supervised AutoEncoder(dubbed GAE) for Diff-AE to achieve better disentanglement on the latent code.

Attribute Disentanglement +3

Caterpillar: A Pure-MLP Architecture with Shifted-Pillars-Concatenation

1 code implementation28 May 2023 Jin Sun, Xiaoshuang Shi, Zhiyuan Wang, Kaidi Xu, Heng Tao Shen, Xiaofeng Zhu

Then, we build a pure-MLP architecture called Caterpillar by replacing the convolutional layer with the SPC module in a hybrid model of sMLPNet.

Computational Efficiency Inductive Bias

Diversifying the High-level Features for better Adversarial Transferability

2 code implementations20 Apr 2023 Zhiyuan Wang, Zeliang Zhang, Siyuan Liang, Xiaosen Wang

Incorporated into the input transformation-based attacks, DHF generates more transferable adversarial examples and outperforms the baselines with a clear margin when attacking several defense models, showing its generalization to various attacks and high effectiveness for boosting transferability.

Vocal Bursts Intensity Prediction

Personalized State Anxiety Detection: An Empirical Study with Linguistic Biomarkers and A Machine Learning Pipeline

no code implementations19 Apr 2023 Zhiyuan Wang, Mingyue Tang, Maria A. Larrazabal, Emma R. Toner, Mark Rucker, Congyu Wu, Bethany A. Teachman, Mehdi Boukhechba, Laura E. Barnes

To address this concern, in Study 1, we collected linguistic data from N=35 high socially anxious participants in a variety of social contexts, finding that digital linguistic biomarkers significantly differ between evaluative vs. non-evaluative social contexts and between individuals having different trait psychological symptoms, suggesting the likely importance of personalized approaches to detect state anxiety.

Anxiety Detection

A Novel Noise Injection-based Training Scheme for Better Model Robustness

no code implementations17 Feb 2023 Zeliang Zhang, Jinyang Jiang, Minjie Chen, Zhiyuan Wang, Yijie Peng, Zhaofei Yu

Noise injection-based method has been shown to be able to improve the robustness of artificial neural networks in previous work.

Adversarial Robustness Computational Efficiency

Adaptive Control of Client Selection and Gradient Compression for Efficient Federated Learning

no code implementations19 Dec 2022 Zhida Jiang, Yang Xu, Hongli Xu, Zhiyuan Wang, Chen Qian

Federated learning (FL) allows multiple clients cooperatively train models without disclosing local data.

Federated Learning

AACC: Asymmetric Actor-Critic in Contextual Reinforcement Learning

no code implementations3 Aug 2022 Wangyang Yue, Yuan Zhou, Xiaochuan Zhang, Yuchen Hua, Zhiyuan Wang, Guang Kou

Various methods, such as domain randomization, have been proposed to deal with such situations by training agents under different environmental setups, and therefore they can be generalized to different environments during deployment.

reinforcement-learning Reinforcement Learning +1

Graph Neural Networks in IoT: A Survey

1 code implementation29 Mar 2022 Guimin Dong, Mingyue Tang, Zhiyuan Wang, Jiechao Gao, Sikun Guo, Lihua Cai, Robert Gutierrez, Bradford Campbell, Laura E. Barnes, Mehdi Boukhechba

The Internet of Things (IoT) boom has revolutionized almost every corner of people's daily lives: healthcare, home, transportation, manufacturing, supply chain, and so on.

Autonomous Vehicles Survey

Socially-Optimal Mechanism Design for Incentivized Online Learning

no code implementations29 Dec 2021 Zhiyuan Wang, Lin Gao, Jianwei Huang

Multi-arm bandit (MAB) is a classic online learning framework that studies the sequential decision-making in an uncertain environment.

Decision Making Edge-computing +2

From Personalized Medicine to Population Health: A Survey of mHealth Sensing Techniques

no code implementations2 Jul 2021 Zhiyuan Wang, Haoyi Xiong, Jie Zhang, Sijia Yang, Mehdi Boukhechba, Laura E. Barnes, Daqing Zhang, Dejing Dou

Mobile Sensing Apps have been widely used as a practical approach to collect behavioral and health-related information from individuals and provide timely intervention to promote health and well-beings, such as mental health and chronic cares.

Enhance the performance of navigation: A two-stage machine learning approach

no code implementations2 Apr 2020 Yimin Fan, Zhiyuan Wang, Yuanpeng Lin, Haisheng Tan

We model the traffic flow as a time series and apply XGBoost algorithm to get accurate predictions on future traffic conditions(1st stage).

BIG-bench Machine Learning Ensemble Learning +2

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