Chen, Ziyi

28 publications

CVPR 2025 Co-Speech Gesture Video Generation with Implicit Motion-Audio Entanglement Xinjie Li, Ziyi Chen, Xinlu Yu, Iek-Heng Chu, Peng Chang, Jing Xiao

TMLR 2025 Rectified Robust Policy Optimization for Model-Uncertain Constrained Reinforcement Learning Without Strong Duality Shaocong Ma, Ziyi Chen, Yi Zhou, Heng Huang

ICML 2025 Revisiting Convergence: Shuffling Complexity Beyond Lipschitz Smoothness Qi He, Peiran Yu, Ziyi Chen, Heng Huang

ICCV 2025 Serialization Based Point Cloud Oversegmentation Chenghui Lu, Jianlong Kwan, Dilong Li, Ziyi Chen, Haiyan Guan

WACV 2025 SyncDiff: Diffusion-Based Talking Head Synthesis with Bottlenecked Temporal Visual Prior for Improved Synchronization Xulin Fan, Heting Gao, Ziyi Chen, Peng Chang, Mei Han, Mark Hasegawa-Johnson

ICLR 2025 Towards Optimal Multi-Draft Speculative Decoding Zhengmian Hu, Tong Zheng, Vignesh Viswanathan, Ziyi Chen, Ryan A. Rossi, Yihan Wu, Dinesh Manocha, Heng Huang

ICCV 2025 V2PE: Improving Multimodal Long-Context Capability of Vision-Language Models with Variable Visual Position Encoding Junqi Ge, Ziyi Chen, Jintao Lin, Jinguo Zhu, Xihui Liu, Jifeng Dai, Xizhou Zhu

ICML 2024 Accelerated Policy Gradient for S-Rectangular Robust MDPs with Large State Spaces Ziyi Chen, Heng Huang

NeurIPS 2024 Cascade Speculative Drafting for Even Faster LLM Inference Ziyi Chen, Xiaocong Yang, Jiacheng Lin, Chenkai Sun, Kevin Chen-Chuan Chang, Jie Huang

ECCV 2024 Co-Speech Gesture Video Generation with 3D Human Meshes Aniruddha Mahapatra, Richa Mishra, Ziyi Chen, Boyang Ding, Renda Li, Shoulei Wang, Jun-Yan Zhu, Peng Chang, Mei Han, Jing Xiao

ICML 2024 Delving into the Convergence of Generalized Smooth Minimax Optimization Wenhan Xian, Ziyi Chen, Heng Huang

AAAI 2024 Enhancing RAW-to-sRGB with Decoupled Style Structure in Fourier Domain Xuanhua He, Tao Hu, Guoli Wang, Zejin Wang, Run Wang, Qian Zhang, Keyu Yan, Ziyi Chen, Rui Li, Chengjun Xie, Jie Zhang, Man Zhou

NeurIPS 2024 Generated and Pseudo Content Guided Prototype Refinement for Few-Shot Point Cloud Segmentation Lili Wei, Congyan Lang, Ziyi Chen, Tao Wang, Yidong Li, Jun Liu

CVPR 2024 NC-SDF: Enhancing Indoor Scene Reconstruction Using Neural SDFs with View-Dependent Normal Compensation Ziyi Chen, Xiaolong Wu, Yu Zhang

ICLR 2024 On the Hardness of Constrained Cooperative Multi-Agent Reinforcement Learning Ziyi Chen, Yi Zhou, Heng Huang

NeurIPS 2024 Robust Reinforcement Learning with General Utility Ziyi Chen, Yan Wen, Zhengmian Hu, Heng Huang

TMLR 2023 A Cubic Regularization Approach for Finding Local Minimax Points in Nonconvex Minimax Optimization Ziyi Chen, Zhengyang Hu, Qunwei Li, Zhe Wang, Yi Zhou

MLJ 2023 An Accelerated Proximal Algorithm for Regularized Nonconvex and Nonsmooth Bi-Level Optimization Ziyi Chen, Bhavya Kailkhura, Yi Zhou

JMLR 2023 Decentralized Robust V-Learning for Solving Markov Games with Model Uncertainty Shaocong Ma, Ziyi Chen, Shaofeng Zou, Yi Zhou

ICMLW 2023 Dynamic Feature-Based Newsvendor Zexing Xu, Ziyi Chen, Xin Chen

ICML 2023 Generalized-Smooth Nonconvex Optimization Is as Efficient as Smooth Nonconvex Optimization Ziyi Chen, Yi Zhou, Yingbin Liang, Zhaosong Lu

UAI 2022 Data Sampling Affects the Complexity of Online SGD over Dependent Data Shaocong Ma, Ziyi Chen, Yi Zhou, Kaiyi Ji, Yingbin Liang

NeurIPS 2022 Finding Correlated Equilibrium of Constrained Markov Game: A Primal-Dual Approach Ziyi Chen, Shaocong Ma, Yi Zhou

TMLR 2022 Multi-Agent Off-Policy TDC with Near-Optimal Sample and Communication Complexities Ziyi Chen, Yi Zhou, Rong-Rong Chen

ICLR 2022 Sample Efficient Stochastic Policy Extragradient Algorithm for Zero-Sum Markov Game Ziyi Chen, Shaocong Ma, Yi Zhou

ICML 2022 Sample and Communication-Efficient Decentralized Actor-Critic Algorithms with Finite-Time Analysis Ziyi Chen, Yi Zhou, Rong-Rong Chen, Shaofeng Zou

ICLR 2021 Greedy-GQ with Variance Reduction: Finite-Time Analysis and Improved Complexity Shaocong Ma, Ziyi Chen, Yi Zhou, Shaofeng Zou

ICLR 2021 Proximal Gradient Descent-Ascent: Variable Convergence Under KŁ Geometry Ziyi Chen, Yi Zhou, Tengyu Xu, Yingbin Liang