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In self-supervised learning, it is challenging to reduce the gap between the enhancement performance on the estimated and target speech signals with existed pre-tasks. In this paper, we propose a multi-task pre-training method to improve…

声音 · 计算机科学 2022-01-02 Yi Li , Yang Sun , Syed Mohsen Naqvi

Multivariate time series (MTS) classification is widely applied in fields such as industry, healthcare, and finance, aiming to extract key features from complex time series data for accurate decision-making and prediction. However, existing…

机器学习 · 计算机科学 2025-06-19 Mingsen Du , Meng Chen , Yongjian Li , Cun Ji , Shoushui Wei

Deep learning has demonstrated tremendous potential for Automatic Text Scoring (ATS) tasks. In this paper, we describe a new neural architecture that enhances vanilla neural network models with auxiliary neural coherence features. Our new…

人工智能 · 计算机科学 2017-11-15 Yi Tay , Minh C. Phan , Luu Anh Tuan , Siu Cheung Hui

Background: Deep learning models have shown great success in automating tasks in sleep medicine by learning from carefully annotated Electroencephalogram (EEG) data. However, effectively utilizing a large amount of raw EEG remains a…

信号处理 · 电气工程与系统科学 2023-02-14 Chaoqi Yang , Danica Xiao , M. Brandon Westover , Jimeng Sun

This paper describes speaker verification (SV) systems submitted by the SpeakIn team to the Task 1 and Task 2 of the Far-Field Speaker Verification Challenge 2022 (FFSVC2022). SV tasks of the challenge focus on the problem of fully…

声音 · 计算机科学 2022-09-26 Yu Zheng , Jinghan Peng , Yihao Chen , Yajun Zhang , Jialong Wang , Min Liu , Minqiang Xu

Compared to supervised deep learning, self-supervision provides remote sensing a tool to reduce the amount of exact, human-crafted geospatial annotations. While image-level information for unsupervised pretraining efficiently works for…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Chenying Liu , Conrad M Albrecht , Yi Wang , Xiao Xiang Zhu

We address the challenging problem of semi-supervised learning in the context of multiple visual interpretations of the world by finding consensus in a graph of neural networks. Each graph node is a scene interpretation layer, while each…

计算机视觉与模式识别 · 计算机科学 2020-12-04 Marius Leordeanu , Mihai Pirvu , Dragos Costea , Alina Marcu , Emil Slusanschi , Rahul Sukthankar

Deep neural networks often suffer from a critical limitation known as catastrophic forgetting, where performance on past tasks degrades after learning new ones. This paper introduces a novel continual learning approach inspired by human…

机器学习 · 计算机科学 2025-09-16 Prital Bamnodkar

Semantic occupancy has recently gained significant traction as a prominent 3D scene representation. However, most existing methods rely on large and costly datasets with fine-grained 3D voxel labels for training, which limits their…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Simon Boeder , Fabian Gigengack , Benjamin Risse

Unsupervised person re-identification (re-ID) has become an important topic due to its potential to resolve the scalability problem of supervised re-ID models. However, existing methods simply utilize pseudo labels from clustering for…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Junhui Yin , Jiayan Qiu , Siqing Zhang , Jiyang Xie , Zhanyu Ma , Jun Guo

Domain adaptation for semantic segmentation aims to improve the model performance in the presence of a distribution shift between source and target domain. Leveraging the supervision from auxiliary tasks~(such as depth estimation) has the…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Qin Wang , Dengxin Dai , Lukas Hoyer , Luc Van Gool , Olga Fink

This doctoral thesis improves the transfer learning for sequence labeling tasks by adapting pre-trained neural language models. The proposed improvements in transfer learning involve introducing a multi-task model that incorporates an…

计算与语言 · 计算机科学 2025-10-24 David Dukić

In recent times, the field of unsupervised representation learning (URL) for time series data has garnered significant interest due to its remarkable adaptability across diverse downstream applications. Unsupervised learning goals differ…

机器学习 · 计算机科学 2025-05-12 Chen Liang , Donghua Yang , Zhiyu Liang , Hongzhi Wang , Zheng Liang , Xiyang Zhang , Jianfeng Huang

Inspired by the success of Self-supervised learning (SSL) in learning visual representations from unlabeled data, a few recent works have studied SSL in the context of continual learning (CL), where multiple tasks are learned sequentially,…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Li Yang , Sen Lin , Fan Zhang , Junshan Zhang , Deliang Fan

In this work, we explore Self-supervised Learning (SSL) as an auxiliary task to blend the texture-based local descriptors into feature modelling for efficient face analysis. Combining a primary task and a self-supervised auxiliary task is…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Shukesh Reddy , Nishit Poddar , Srijan Das , Abhijit Das

Learning universal time series representations applicable to various types of downstream tasks is challenging but valuable in real applications. Recently, researchers have attempted to leverage the success of self-supervised contrastive…

机器学习 · 计算机科学 2023-12-27 Jiexi Liu , Songcan Chen

Understanding foggy image sequence in the driving scenes is critical for autonomous driving, but it remains a challenging task due to the difficulty in collecting and annotating real-world images of adverse weather. Recently, the…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Liang Liao , Wenyi Chen , Jing Xiao , Zheng Wang , Chia-Wen Lin , Shin'ichi Satoh

In graph self-supervised learning, masked autoencoders (MAE) and contrastive learning (CL) are two prominent paradigms. MAE focuses on reconstructing masked elements, while CL maximizes similarity between augmented graph views. Recent…

机器学习 · 计算机科学 2025-06-10 Di Lin , Wanjing Ren , Xuanbin Li , Rui Zhang

Contrastive learning methods for unsupervised visual representation learning have reached remarkable levels of transfer performance. We argue that the power of contrastive learning has yet to be fully unleashed, as current methods are…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Zhenda Xie , Yutong Lin , Zheng Zhang , Yue Cao , Stephen Lin , Han Hu

Due to the scarcity of annotated scene flow data, self-supervised scene flow learning in point clouds has attracted increasing attention. In the self-supervised manner, establishing correspondences between two point clouds to approximate…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Ruibo Li , Guosheng Lin , Lihua Xie
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