Search Results for author: Yun Bai

Found 9 papers, 2 papers with code

MapTrack: Tracking in the Map

no code implementations20 Feb 2024 Fei Wang, Ruohui Zhang, Chenglin Chen, Min Yang, Yun Bai

The prediction map determines whether an object is in a crowd, and we prioritize state estimations over observations when severe deformation of observations occurs, accomplished through the covariance adaptive Kalman filter.

Multi-Object Tracking

Electricity Demand Forecasting through Natural Language Processing with Long Short-Term Memory Networks

no code implementations13 Sep 2023 Yun Bai, Simon Camal, Andrea Michiorri

This paper proposes a Long and Short-Term Memory (LSTM) network incorporating textual news features that successfully predicts the deterministic and probabilistic tasks of the UK national electricity demand.

Compact Twice Fusion Network for Edge Detection

1 code implementation11 Jul 2023 Yachuan Li, Zongmin Li, Xavier Soria P., Chaozhi Yang, Qian Xiao, Yun Bai, Hua Li, Xiangdong Wang

In this work, we propose a Compact Twice Fusion Network (CTFN) to fully integrate multi-scale features while maintaining the compactness of the model.

Edge Detection

A hybrid ensemble method with negative correlation learning for regression

1 code implementation6 Apr 2021 Yun Bai, Ganglin Tian, Yanfei Kang, Suling Jia

It is also possible to improve the NCL ensemble with a regularization term in the objective function.

regression

Exploring the social influence of Kaggle virtual community on the M5 competition

no code implementations28 Feb 2021 Xixi Li, Yun Bai, Yanfei Kang

This paper aims to study the social influence of virtual community on user behaviors in the M5 competition.

Crude oil price forecasting incorporating news text

no code implementations19 Jan 2020 Yun Bai, Xixi Li, Hao Yu, Suling Jia

Sparse and short news headlines can be arbitrary, noisy, and ambiguous, making it difficult for classic topic model LDA (latent Dirichlet allocation) designed for accommodating long text to discover knowledge from them.

Research and application of time series algorithms in centralized purchasing data

no code implementations1 Nov 2019 Yun Bai, Suling Jia, Xixi Li

Based on the online transaction data of COSCO group's centralized procurement platform, this paper studies the clustering method of time series type data.

Clustering Marketing +2

Loop Restricted Existential Rules and First-order Rewritability for Query Answering

no code implementations19 Apr 2018 Vernon Asuncion, Yan Zhang, Heng Zhang, Yun Bai, Weisheng Si

In particular, we prove that this language satisfies the so-called bounded derivation-depth prop- erty (BDDP), which implies that the CQA is first-order rewritable, and its data complexity is in AC0 .

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