Search Results for author: Weiwei Lin

Found 16 papers, 3 papers with code

Asymmetric Clean Segments-Guided Self-Supervised Learning for Robust Speaker Verification

no code implementations8 Sep 2023 Chong-Xin Gan, Man-Wai Mak, Weiwei Lin, Jen-Tzung Chien

Contrastive self-supervised learning (CSL) for speaker verification (SV) has drawn increasing interest recently due to its ability to exploit unlabeled data.

Data Augmentation Self-Supervised Learning +1

SegRNN: Segment Recurrent Neural Network for Long-Term Time Series Forecasting

2 code implementations22 Aug 2023 Shengsheng Lin, Weiwei Lin, Wentai Wu, Feiyu Zhao, Ruichao Mo, Haotong Zhang

To address these issues, we propose two novel strategies to reduce the number of iterations in RNNs for LTSF tasks: Segment-wise Iterations and Parallel Multi-step Forecasting (PMF).

Time Series Time Series Forecasting

PETformer: Long-term Time Series Forecasting via Placeholder-enhanced Transformer

no code implementations9 Aug 2023 Shengsheng Lin, Weiwei Lin, Wentai Wu, SongBo Wang, Yongxiang Wang

Recently, the superiority of Transformer for long-term time series forecasting (LTSF) tasks has been challenged, particularly since recent work has shown that simple models can outperform numerous Transformer-based approaches.

Computational Efficiency Time Series +1

Self-supervised Neural Factor Analysis for Disentangling Utterance-level Speech Representations

no code implementations14 May 2023 Weiwei Lin, Chenhang He, Man-Wai Mak, Youzhi Tu

Self-supervised learning (SSL) speech models such as wav2vec and HuBERT have demonstrated state-of-the-art performance on automatic speech recognition (ASR) and proved to be extremely useful in low label-resource settings.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +2

Fusion of Global and Local Knowledge for Personalized Federated Learning

1 code implementation21 Feb 2023 Tiansheng Huang, Li Shen, Yan Sun, Weiwei Lin, DaCheng Tao

Personalized federated learning, as a variant of federated learning, trains customized models for clients using their heterogeneously distributed data.

Personalized Federated Learning

Achieving Personalized Federated Learning with Sparse Local Models

no code implementations27 Jan 2022 Tiansheng Huang, Shiwei Liu, Li Shen, Fengxiang He, Weiwei Lin, DaCheng Tao

To counter this issue, personalized FL (PFL) was proposed to produce dedicated local models for each individual user.

Personalized Federated Learning

On Heterogeneously Distributed Data, Sparsity Matters

no code implementations29 Sep 2021 Tiansheng Huang, Shiwei Liu, Li Shen, Fengxiang He, Weiwei Lin, DaCheng Tao

Federated learning (FL) is particularly vulnerable to heterogeneously distributed data, since a common global model in FL may not adapt to the heterogeneous data distribution of each user.

Personalized Federated Learning

Variation-Incentive Loss Re-weighting for Regression Analysis on Biased Data

no code implementations14 Sep 2021 Wentai Wu, Ligang He, Weiwei Lin

Both classification and regression tasks are susceptible to the biased distribution of training data.

regression

Adaptive Processor Frequency Adjustment for Mobile Edge Computing with Intermittent Energy Supply

no code implementations10 Feb 2021 Tiansheng Huang, Weiwei Lin, Xiaobin Hong, Xiumin Wang, Qingbo Wu, Rui Li, Ching-Hsien Hsu, Albert Y. Zomaya

With astonishing speed, bandwidth, and scale, Mobile Edge Computing (MEC) has played an increasingly important role in the next generation of connectivity and service delivery.

Edge-computing

FedProf: Selective Federated Learning with Representation Profiling

1 code implementation2 Feb 2021 Wentai Wu, Ligang He, Weiwei Lin, Carsten Maple

The results show that the selective behaviour of our algorithm leads to a significant reduction in the number of communication rounds and the amount of time (up to 2. 4x speedup) for the global model to converge and also provides accuracy gain.

Federated Learning Privacy Preserving

Stochastic Client Selection for Federated Learning with Volatile Clients

no code implementations17 Nov 2020 Tiansheng Huang, Weiwei Lin, Li Shen, Keqin Li, Albert Y. Zomaya

Federated Learning (FL), arising as a privacy-preserving machine learning paradigm, has received notable attention from the public.

Fairness Federated Learning +1

An Efficiency-boosting Client Selection Scheme for Federated Learning with Fairness Guarantee

no code implementations3 Nov 2020 Tiansheng Huang, Weiwei Lin, Wentai Wu, Ligang He, Keqin Li, Albert Y. Zomaya

The client selection policy is critical to an FL process in terms of training efficiency, the final model's quality as well as fairness.

Distributed Computing Fairness +1

SAFA: a Semi-Asynchronous Protocol for Fast Federated Learning with Low Overhead

no code implementations3 Oct 2019 Wentai Wu, Ligang He, Weiwei Lin, Rui Mao, Carsten Maple, Stephen Jarvis

Federated learning (FL) has attracted increasing attention as a promising approach to driving a vast number of end devices with artificial intelligence.

Federated Learning

Developing an Unsupervised Real-time Anomaly Detection Scheme for Time Series with Multi-seasonality

no code implementations3 Aug 2019 Wentai Wu, Ligang He, Weiwei Lin, Yi Su, Yuhua Cui, Carsten Maple, Stephen Jarvis

In light of this, we have developed a prediction-driven, unsupervised anomaly detection scheme, which adopts a backbone model combining the decomposition and the inference of time series data.

Line Detection Time Series +2

Cannot find the paper you are looking for? You can Submit a new open access paper.