Search Results for author: Zehua Wang

Found 8 papers, 4 papers with code

On the Computational Complexity of Private High-dimensional Model Selection

1 code implementation11 Oct 2023 Saptarshi Roy, Zehua Wang, Ambuj Tewari

We consider the problem of model selection in a high-dimensional sparse linear regression model under privacy constraints.

Model Selection regression

FedSoup: Improving Generalization and Personalization in Federated Learning via Selective Model Interpolation

1 code implementation20 Jul 2023 Minghui Chen, Meirui Jiang, Qi Dou, Zehua Wang, Xiaoxiao Li

In this paper, we propose a novel federated model soup method (i. e., selective interpolation of model parameters) to optimize the trade-off between local and global performance.

Federated Learning Image Classification +1

Low-code LLM: Graphical User Interface over Large Language Models

2 code implementations17 Apr 2023 Yuzhe Cai, Shaoguang Mao, Wenshan Wu, Zehua Wang, Yaobo Liang, Tao Ge, Chenfei Wu, Wang You, Ting Song, Yan Xia, Jonathan Tien, Nan Duan, Furu Wei

By introducing this framework, we aim to bridge the gap between humans and LLMs, enabling more effective and efficient utilization of LLMs for complex tasks.

Prompt Engineering

Cervical Glandular Cell Detection from Whole Slide Image with Out-Of-Distribution Data

1 code implementation29 May 2022 Ziquan Wei, Shenghua Cheng, Jing Cai, Shaoqun Zeng, Xiuli Liu, Zehua Wang

Cervical glandular cell (GC) detection is a key step in computer-aided diagnosis for cervical adenocarcinomas screening.

Cell Detection object-detection +1

Blockchain-empowered Data-driven Networks: A Survey and Outlook

no code implementations29 Jan 2021 Xi Li, Zehua Wang, Victor C. M. Leung, Hong Ji, Yiming Liu, Heli Zhang

The paths leading to future networks are pointing towards a data-driven paradigm to better cater to the explosive growth of mobile services as well as the increasing heterogeneity of mobile devices, many of which generate and consume large volumes and variety of data.

Networking and Internet Architecture

Dynamic Point Cloud Denoising via Manifold-to-Manifold Distance

no code implementations17 Mar 2020 Wei Hu, Qianjiang Hu, Zehua Wang, Xiang Gao

In particular, we define a manifold-to-manifold distance and its discrete counterpart on graphs to measure the variation-based intrinsic distance between surface patches in the temporal domain, provided that graph operators are discrete counterparts of functionals on Riemannian manifolds.

Autonomous Driving Denoising +1

3D Dynamic Point Cloud Denoising via Spatial-Temporal Graph Learning

no code implementations28 Apr 2019 Wei Hu, Qianjiang Hu, Zehua Wang, Xiang Gao

Finally, based on the spatial-temporal graph learning, we formulate dynamic point cloud denoising as the joint optimization of the desired point cloud and underlying spatio-temporal graph, which leverages both intra-frame affinities and inter-frame consistency and is solved via alternating minimization.

Denoising graph construction +1

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