Search Results for author: Shengfei Lyu

Found 10 papers, 1 papers with code

Mapping the Buried Cable by Ground Penetrating Radar and Gaussian-Process Regression

no code implementations25 Jan 2022 Xiren Zhou, Qiuju Chen, Shengfei Lyu, Huanhuan Chen

On the basis of the established coordinate system and the derived points on the cable, the clustering method and cable fitting algorithm based on Gaussian-process regression are proposed to find the most likely locations of the underground cables.

GPR regression

Estimating the Direction and Radius of Pipe from GPR Image by Ellipse Inversion Model

no code implementations25 Jan 2022 Xiren Zhou, Qiuju Chen, Shengfei Lyu, Huanhuan Chen

By minimizing the sum of the algebraic distances from the extracted point set to the inverted ellipse, the most likely pipeline's direction and radius are determined.

GPR

Relation Classification with Entity Type Restriction

no code implementations Findings (ACL) 2021 Shengfei Lyu, Huanhuan Chen

Specially, the mutual restrictions of relations and entity types are formalized and introduced into relation classification.

Classification Relation +3

Text Classification based on Multi-granularity Attention Hybrid Neural Network

no code implementations12 Aug 2020 Zhenyu Liu, Chaohong Lu, Haiwei Huang, Shengfei Lyu, Zhenchao Tao

Conventionally, there are two mainstream neural architectures for NLP tasks: the recurrent neural network (RNN) and the convolution neural network (ConvNet).

General Classification Sentence +2

Combine Convolution with Recurrent Networks for Text Classification

no code implementations29 Jun 2020 Shengfei Lyu, Jiaqi Liu

In this paper, we propose a novel method to keep the strengths of the two networks to a great extent.

General Classification text-classification +1

Multichannel CNN with Attention for Text Classification

no code implementations29 Jun 2020 Zhenyu Liu, Haiwei Huang, Chaohong Lu, Shengfei Lyu

Alternatively, CNN is able to capture n-gram features of texts by utilizing convolutional filters.

General Classification Sentence +2

Probabilistic Classification Vector Machine for Multi-Class Classification

no code implementations29 Jun 2020 Shengfei Lyu, Xing Tian, Yang Li, Bingbing Jiang, Huanhuan Chen

The probabilistic classification vector machine (PCVM) synthesizes the advantages of both the support vector machine and the relevant vector machine, delivering a sparse Bayesian solution to classification problems.

Classification General Classification +1

Use Short Isometric Shapelets to Accelerate Binary Time Series Classification

no code implementations27 Dec 2019 Weibo Shu, Yaqiang Yao, Shengfei Lyu, Jinlong Li, Huanhuan Chen

In the research area of time series classification, the ensemble shapelet transform algorithm is one of state-of-the-art algorithms for classification.

Classification General Classification +3

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