Search Results for author: Zhen Tian

Found 21 papers, 8 papers with code

An ACO-MPC Framework for Energy-Efficient and Collision-Free Path Planning in Autonomous Maritime Navigation

no code implementations22 Apr 2025 Yaoze Liu, Zhen Tian, Qifan Zhou, Zixuan Huang, Hongyu Sun

This paper proposes an integrated planner for automated vehicles (AVs) on ramps, utilizing an unsatisfactory level metric for efficiency and arrow-cluster-based sampling for safety.

Data-Driven Evolutionary Game-Based Model Predictive Control for Hybrid Renewable Energy Dispatch in Autonomous Ships

no code implementations20 Apr 2025 Yaoze Liu, Zhen Tian, Jinming Yang, ZhiHao Lin

In this paper, we propose a data-driven Evolutionary Game-Based Model Predictive Control (EG-MPC) framework for the energy dispatch of a hybrid renewable energy system powering an autonomous ship.

Model Predictive Control

Adaptive Field Effect Planner for Safe Interactive Autonomous Driving on Curved Roads

no code implementations20 Apr 2025 Qinghao Li, Zhen Tian, Xiaodan Wang, Jinming Yang, ZhiHao Lin

Autonomous driving has garnered significant attention for its potential to improve safety, traffic efficiency, and user convenience.

Autonomous Driving Navigate +1

Intelligent road crack detection and analysis based on improved YOLOv8

no code implementations16 Apr 2025 Haomin Zuo, Zhengyang Li, Jiangchuan Gong, Zhen Tian

As urbanization speeds up and traffic flow increases, the issue of pavement distress is becoming increasingly pronounced, posing a severe threat to road safety and service life.

Industrial Internet Robot Collaboration System and Edge Computing Optimization

no code implementations3 Apr 2025 Qian Zuo, Dajun Tao, Tian Qi, Jieyi Xie, Zijie Zhou, Zhen Tian, Yu Mingyu

To address this issue in the framework of the Industrial Internet Robot Collaboration System, this paper proposes a global path control scheme for mobile robots based on deep learning.

Edge-computing

Irrational Complex Rotations Empower Low-bit Optimizers

no code implementations22 Jan 2025 Zhen Tian, Wayne Xin Zhao, Ji-Rong Wen

In this paper, we propose a novel optimizer state compression algorithm, namely $\pi$-Quant, which leverages the properties of irrational numbers (e. g., $\pi$) for memory-efficient training.

Quantization

Evaluating Scenario-based Decision-making for Interactive Autonomous Driving Using Rational Criteria: A Survey

no code implementations3 Jan 2025 Zhen Tian, ZhiHao Lin, Dezong Zhao, Wenjing Zhao, David Flynn, Shuja Ansari, Chongfeng Wei

However, ensuring safety and efficiency in interactive during within dynamic and diverse environments is still a primary barrier to large-scale AV adoption.

Autonomous Driving Decision Making +1

Forgetting Through Transforming: Enabling Federated Unlearning via Class-Aware Representation Transformation

no code implementations9 Oct 2024 Qi Guo, Zhen Tian, Minghao Yao, Yong Qi, Saiyu Qi, Yun Li, Jin Song Dong

Federated Unlearning (FU) enables clients to selectively remove the influence of specific data from a trained federated learning model, addressing privacy concerns and regulatory requirements.

Contrastive Learning Federated Learning

A Conflicts-free, Speed-lossless KAN-based Reinforcement Learning Decision System for Interactive Driving in Roundabouts

no code implementations15 Aug 2024 ZhiHao Lin, Zhen Tian, Qi Zhang, Ziyang Ye, Hanyang Zhuang, Jianglin Lan

This paper introduces a learning-based algorithm tailored to foster safe and efficient driving behaviors across varying levels of traffic flows in roundabouts.

Autonomous Driving Model Predictive Control +1

CP-Prompt: Composition-Based Cross-modal Prompting for Domain-Incremental Continual Learning

1 code implementation22 Jul 2024 Yu Feng, Zhen Tian, Yifan Zhu, Zongfu Han, Haoran Luo, Guangwei Zhang, Meina Song

The key challenge of cross-modal domain-incremental learning (DIL) is to enable the learning model to continuously learn from novel data with different feature distributions under the same task without forgetting old ones.

Continual Learning Incremental Learning

Contribution Evaluation of Heterogeneous Participants in Federated Learning via Prototypical Representations

no code implementations2 Jul 2024 Qi Guo, Minghao Yao, Zhen Tian, Saiyu Qi, Yong Qi, Yun Lin, Jin Song Dong

Our core idea is the construction and application of the class contribution momentum indicator from individual, relative, and holistic perspectives, thereby achieving an effective and efficient contribution evaluation of heterogeneous participants without relying on an auxiliary test dataset.

Federated Learning

Exploring Context Window of Large Language Models via Decomposed Positional Vectors

no code implementations28 May 2024 Zican Dong, Junyi Li, Xin Men, Wayne Xin Zhao, Bingbing Wang, Zhen Tian, WeiPeng Chen, Ji-Rong Wen

Based on our findings, we design two training-free context window extension methods, positional vector replacement and attention window extension.

EulerFormer: Sequential User Behavior Modeling with Complex Vector Attention

1 code implementation26 Mar 2024 Zhen Tian, Wayne Xin Zhao, Changwang Zhang, Xin Zhao, Zhongrui Ma, Ji-Rong Wen

The core of transformer architecture lies in the self-attention mechanism, which computes the pairwise attention scores in a sequence.

Contrastive Learning Recommendation Systems

Sequence-level Semantic Representation Fusion for Recommender Systems

1 code implementation28 Feb 2024 Lanling Xu, Zhen Tian, Bingqian Li, Junjie Zhang, Jinpeng Wang, Mingchen Cai, Wayne Xin Zhao

The core idea of our approach is to conduct a sequence-level semantic fusion approach by better integrating global contexts.

Mixture-of-Experts Sequential Recommendation

EulerNet: Adaptive Feature Interaction Learning via Euler's Formula for CTR Prediction

2 code implementations21 Apr 2023 Zhen Tian, Ting Bai, Wayne Xin Zhao, Ji-Rong Wen, Zhao Cao

EulerNet converts the exponential powers of feature interactions into simple linear combinations of the modulus and phase of the complex features, making it possible to adaptively learn the high-order feature interactions in an efficient way.

Click-Through Rate Prediction

Recent Advances in RecBole: Extensions with more Practical Considerations

1 code implementation28 Nov 2022 Lanling Xu, Zhen Tian, Gaowei Zhang, Lei Wang, Junjie Zhang, Bowen Zheng, YiFan Li, Yupeng Hou, Xingyu Pan, Yushuo Chen, Wayne Xin Zhao, Xu Chen, Ji-Rong Wen

In order to show the recent update in RecBole, we write this technical report to introduce our latest improvements on RecBole.

Directed Acyclic Graph Factorization Machines for CTR Prediction via Knowledge Distillation

1 code implementation21 Nov 2022 Zhen Tian, Ting Bai, Zibin Zhang, Zhiyuan Xu, Kangyi Lin, Ji-Rong Wen, Wayne Xin Zhao

Some recent knowledge distillation based methods transfer knowledge from complex teacher models to shallow student models for accelerating the online model inference.

Click-Through Rate Prediction Knowledge Distillation +1

Landmark Tracking in Liver US images Using Cascade Convolutional Neural Networks with Long Short-Term Memory

no code implementations14 Sep 2022 Yupei Zhang, Xianjin Dai, Zhen Tian, Yang Lei, Jacob F. Wynne, Pretesh Patel, Yue Chen, Tian Liu, Xiaofeng Yang

We further tested the proposed model on 69 landmarks from the testing dataset that has a similar image pattern to the training pattern, resulting in a mean tracking error of 0. 94+/-0. 83 mm.

Landmark Tracking regression

RecBole 2.0: Towards a More Up-to-Date Recommendation Library

2 code implementations15 Jun 2022 Wayne Xin Zhao, Yupeng Hou, Xingyu Pan, Chen Yang, Zeyu Zhang, Zihan Lin, Jingsen Zhang, Shuqing Bian, Jiakai Tang, Wenqi Sun, Yushuo Chen, Lanling Xu, Gaowei Zhang, Zhen Tian, Changxin Tian, Shanlei Mu, Xinyan Fan, Xu Chen, Ji-Rong Wen

In order to support the study of recent advances in recommender systems, this paper presents an extended recommendation library consisting of eight packages for up-to-date topics and architectures.

Benchmarking Data Augmentation +3

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