User profiles for Weidi Xu

Weidi Xu

Infly Technology
Verified email at inftech.ai
Cited by 861

Variational autoencoder for semi-supervised text classification

W Xu, H Sun, C Deng, Y Tan - Proceedings of the AAAI conference on …, 2017 - ojs.aaai.org
Although semi-supervised variational autoencoder (SemiVAE) works in image classification
task, it fails in text classification task if using vanilla LSTM as its decoder. From a perspective …

Spellgcn: Incorporating phonological and visual similarities into language models for chinese spelling check

X Cheng, W Xu, K Chen, S Jiang, F Wang… - arXiv preprint arXiv …, 2020 - arxiv.org
Chinese Spelling Check (CSC) is a task to detect and correct spelling errors in Chinese natural
language. Existing methods have made attempts to incorporate the similarity knowledge …

Question directed graph attention network for numerical reasoning over text

K Chen, W Xu, X Cheng, Z Xiaochuan, Y Zhang… - arXiv preprint arXiv …, 2020 - arxiv.org
Numerical reasoning over texts, such as addition, subtraction, sorting and counting, is a
challenging machine reading comprehension task, since it requires both natural language …

Semisupervised text classification by variational autoencoder

W Xu, Y Tan - IEEE transactions on neural networks and …, 2019 - ieeexplore.ieee.org
Semisupervised text classification has attracted much attention from the research community.
In this paper, a novel model, the semisupervised sequential variational autoencoder (…

Optimization of the Thermally Conductive Low-k Polymer Dielectrics Based on Multisource Free-Volume Effects

W Xu, Z Wang, H Cao, L Zhou, N Jiang… - … Applied Materials & …, 2024 - ACS Publications
Polymers/polymer matrix composites possessing low dielectric constants (low-k polymer
dielectrics) contribute to the advance of electronics, for instance, microprocessor chips, mobile …

Leakage-proof flexible phase change gels with salient thermal conductivity for efficient thermal management

H Cao, Y Li, W Xu, J Yang, Z Liu, L Bai… - … Applied Materials & …, 2022 - ACS Publications
Phase change materials (PCMs) as one of the most potential latent heat storage techniques
have been widely used for thermal management and energy storage. However, …

PFDIR–A wideband photonic-assisted SAR system

…, J Yang, H Zeng, Y Deng, Y Luan, W Xu… - … on Aerospace and …, 2023 - ieeexplore.ieee.org
The next generation of synthetic aperture radar (SAR) systems will need transmit and receive
analog signals over a wide frequency range with large bandwidth to fulfil the increasing …

Image defocus in an airborne UWB VHR microwave photonic SAR: Analysis and compensation

W Xu, B Wang, M Xiang, R Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
With the exploration of synthetic aperture radar (SAR), the requirements for its functionality,
precision, and response time are inevitably increasing, in which the technical core is the …

Animal rabies surveillance, China, 2004–2018

Y Feng, Y Wang, W Xu, Z Tu, T Liu… - Emerging infectious …, 2020 - pmc.ncbi.nlm.nih.gov
Rabies is a severe zoonotic disease in China, but the circulation and distribution of rabies
virus (RABV) within animal reservoirs is not well understood. We report the results of 15 years …

A novel autofocus framework for UAV SAR imagery: Motion error extraction from symmetric triangular FMCW differential signal

W Xu, B Wang, M Xiang, C Song… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) installed on unmanned aerial vehicles (UAVs) has drawn
increasing attention in the area of remote sensing due to its high spatial resolution and low …