Search Results for author: Xiaofei Zhang

Found 14 papers, 4 papers with code

Towards Explainable Artificial Intelligence (XAI): A Data Mining Perspective

no code implementations9 Jan 2024 Haoyi Xiong, Xuhong LI, Xiaofei Zhang, Jiamin Chen, Xinhao Sun, Yuchen Li, Zeyi Sun, Mengnan Du

Given the complexity and lack of transparency in deep neural networks (DNNs), extensive efforts have been made to make these systems more interpretable or explain their behaviors in accessible terms.

Data Valuation Decision Making +2

Efficient Sparse Least Absolute Deviation Regression with Differential Privacy

no code implementations2 Jan 2024 Weidong Liu, Xiaojun Mao, Xiaofei Zhang, Xin Zhang

To fast solve the non-smooth loss under a given privacy budget, we develop a Fast Robust And Privacy-Preserving Estimation (FRAPPE) algorithm for least absolute deviation regression.

Privacy Preserving regression

Dual Radar: A Multi-modal Dataset with Dual 4D Radar for Autonomous Driving

1 code implementation11 Oct 2023 Xinyu Zhang, Li Wang, Jian Chen, Cheng Fang, Lei Yang, Ziying Song, Guangqi Yang, Yichen Wang, Xiaofei Zhang, Jun Li, Zhiwei Li, Qingshan Yang, Zhenlin Zhang, Shuzhi Sam Ge

Compared with commonly used 3D radars, the latest 4D radars have precise vertical resolution and higher point cloud density, making it a highly promising sensor for autonomous driving in complex environmental perception.

3D Object Detection Autonomous Driving +1

Natural Language based Context Modeling and Reasoning for Ubiquitous Computing with Large Language Models: A Tutorial

no code implementations24 Sep 2023 Haoyi Xiong, Jiang Bian, Sijia Yang, Xiaofei Zhang, Linghe Kong, Daqing Zhang

Recently, with the rise of LLMs and their improved natural language understanding and reasoning capabilities, it has become feasible to model contexts using natural language and perform context reasoning by interacting with LLMs such as ChatGPT and GPT-4.

Natural Language Understanding Scheduling

Efficient Quality-Diversity Optimization through Diverse Quality Species

1 code implementation14 Apr 2023 Ryan Wickman, Bibek Poudel, Michael Villarreal, Xiaofei Zhang, Weizi Li

This can be rectified by Quality-Diversity (QD) algorithms, where a population of high-quality and diverse solutions to a problem is preferred.

Channel Modeling for UAV-to-Ground Communications with Posture Variation and Fuselage Scattering Effect

no code implementations5 Oct 2022 Boyu Hua, Haoran Ni, Qiuming Zhu, Cheng-Xiang Wang, Tongtong Zhou, Kai Mao, Junwei Bao, Xiaofei Zhang

Unmanned aerial vehicle (UAV)-to-ground (U2G) channel models play a pivotal role for reliable communications between UAV and ground terminal.

Learning-Based Data Storage [Vision] (Technical Report)

no code implementations12 Jun 2022 Xiang Lian, Xiaofei Zhang

As a case study, we use DNNs as the engine in the LMU, and study the data capacity and accuracy of the DNN-based data storage.

Fraud Detection Image Classification +2

Edge Semantic Cognitive Intelligence for 6G Networks: Novel Theoretical Models, Enabling Framework, and Typical Applications

no code implementations24 May 2022 Peihao Dong, Qihui Wu, Xiaofei Zhang, Guoru Ding

Edge intelligence is anticipated to underlay the pathway to connected intelligence for 6G networks, but the organic confluence of edge computing and artificial intelligence still needs to be carefully treated.

Edge-computing

A Generic Graph Sparsification Framework using Deep Reinforcement Learning

1 code implementation2 Dec 2021 Ryan Wickman, Xiaofei Zhang, Weizi Li

The interconnectedness and interdependence of modern graphs are growing ever more complex, causing enormous resources for processing, storage, communication, and decision-making of these graphs.

Decision Making reinforcement-learning +1

UniFed: A Unified Framework for Federated Learning on Non-IID Image Features

no code implementations19 Oct 2021 Meirui Jiang, Xiaoxiao Li, Xiaofei Zhang, Michael Kamp, Qi Dou

In this work, we propose a unified framework to tackle the non-iid issues for internal and external clients together.

Domain Generalization Federated Learning +1

One to Multiple Mapping Dual Learning: Learning Multiple Sources from One Mixed Signal

no code implementations13 Oct 2021 Ting Liu, Wenwu Wang, Xiaofei Zhang, Zhenyin Gong, Yina Guo

Single channel blind source separation (SCBSS) refers to separate multiple sources from a mixed signal collected by a single sensor.

blind source separation Generative Adversarial Network

End-to-end translation of human neural activity to speech with a dual-dual generative adversarial network

no code implementations13 Oct 2021 Yina Guo, Xiaofei Zhang, Zhenying Gong, Anhong Wang, Wenwu Wang

A potential approach to this problem is to design an end-to-end method by using a dual generative adversarial network (DualGAN) without dimension reduction of passing information, but it cannot realize one-to-one signal-to-signal translation (see Fig. 1 (a) and (b)).

Brain Computer Interface Dimensionality Reduction +4

LRN: Limitless Routing Networks for Effective Multi-task Learning

no code implementations29 Sep 2021 Ryan Wickman, Xiaofei Zhang, Weizi Li

Multi-task learning (MTL) is a field involved with learning multiple tasks simultaneously typically through using shared model parameters.

Multi-Task Learning

FedBN: Federated Learning on Non-IID Features via Local Batch Normalization

4 code implementations ICLR 2021 Xiaoxiao Li, Meirui Jiang, Xiaofei Zhang, Michael Kamp, Qi Dou

The emerging paradigm of federated learning (FL) strives to enable collaborative training of deep models on the network edge without centrally aggregating raw data and hence improving data privacy.

Autonomous Driving Federated Learning

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