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The association between tie strength and social structure is a fundamental topic in the social sciences. We study this association by analyzing tie strength in higher-order networks, an increasingly relevant model which can encode group…

Social and Information Networks · Computer Science 2024-09-26 Arnab Sarker , Jean-Baptiste Seby , Austin R. Benson , Ali Jadbabaie

Recently, supervised speech separation has made great progress. However, limited by the nature of supervised training, most existing separation methods require ground-truth sources and are trained on synthetic datasets. This ground-truth…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-09 Jiangyu Han , Yanhua Long

Instruction-following text-to-speech (TTS) has emerged as an important capability for controllable and expressive speech generation, yet its evaluation remains underdeveloped due to limited benchmark coverage, weak diagnostic granularity,…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-21 Huakang Chen , Jingbin Hu , Liumeng Xue , Qirui Zhan , Wenhao Li , Guobin Ma , Hanke Xie , Dake Guo , Linhan Ma , Yuepeng Jiang , Bengu Wu , Pengyuan Xie , Chuan Xie , Qiang Zhang , Lei Xie

Semi-supervised learning (SSL) has shown great promise in leveraging unlabeled data to improve model performance. While standard SSL assumes uniform data distribution, we consider a more realistic and challenging setting called imbalanced…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Hao Chen , Yue Fan , Yidong Wang , Jindong Wang , Bernt Schiele , Xing Xie , Marios Savvides , Bhiksha Raj

Semi-supervised learning on class-imbalanced data, although a realistic problem, has been under studied. While existing semi-supervised learning (SSL) methods are known to perform poorly on minority classes, we find that they still generate…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Chen Wei , Kihyuk Sohn , Clayton Mellina , Alan Yuille , Fan Yang

Balance theory explains the forces behind the structure of social systems, which are commonly modeled as static undirected signed networks. We expand this modeling approach to incorporate directionality of edges, and consider three levels…

Social and Information Networks · Computer Science 2020-07-21 Samin Aref , Ly Dinh , Rezvaneh Rezapour , Jana Diesner

Semi-supervised learning (SSL) methods effectively leverage unlabeled data to improve model generalization. However, SSL models often underperform in open-set scenarios, where unlabeled data contain outliers from novel categories that do…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Yue Fan , Anna Kukleva , Dengxin Dai , Bernt Schiele

Relationships between people constantly evolve, altering interpersonal behavior and defining social groups. Relationships between nodes in social networks can be represented by a tie strength, often empirically assessed using surveys. While…

Social and Information Networks · Computer Science 2021-01-26 James Flamino , Ross DeVito , Boleslaw K. Szymanski , Omar Lizardo

Following the success of supervised learning, semi-supervised learning (SSL) is now becoming increasingly popular. SSL is a family of methods, which in addition to a labeled training set, also use a sizable collection of unlabeled data for…

Machine Learning · Computer Science 2022-05-12 Erik Wallin , Lennart Svensson , Fredrik Kahl , Lars Hammarstrand

Exploring a substantial amount of unlabeled data, semi-supervised learning (SSL) boosts the recognition performance when only a limited number of labels are provided. However, traditional methods assume that the data distribution is…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Wujian Peng , Zejia Weng , Hengduo Li , Zuxuan Wu

Tandem mass spectrometry provides a high-throughput framework for identifying and quantifying proteins in complex biological samples. In computational proteomics, predicting peptide MS/MS spectra is a critical task, enabling downstream…

Machine Learning · Computer Science 2026-05-05 Zhiwen Yang , Pan Liu , Yifan Li , Yunhua Zhong , Jun Xia

Predicting the resilience of complex networks, which represents the ability to retain fundamental functionality amidst external perturbations or internal failures, plays a critical role in understanding and improving real-world complex…

Artificial Intelligence · Computer Science 2024-08-20 Chang Liu , Jingtao Ding , Yiwen Song , Yong Li

With the number of smart devices increasing, the demand for on-device text-to-speech (TTS) increases rapidly. In recent years, many prominent End-to-End TTS methods have been proposed, and have greatly improved the quality of synthesized…

Audio and Speech Processing · Electrical Eng. & Systems 2021-01-18 Zhiying Huang , Hao Li , Ming Lei

In recent years, huge amounts of unstructured textual data on the Internet are a big difficulty for AI algorithms to provide the best recommendations for users and their search queries. Since the Internet became widespread, a lot of…

Machine Learning · Computer Science 2019-11-04 Marko Mihajlovic , Ning Xiong

The rapid evolution of social media has generated an overwhelming volume of user-generated content, conveying implicit opinions and contributing to the spread of misinformation. The method aims to enhance the detection of stance where…

Computation and Language · Computer Science 2025-06-02 Lata Pangtey , Mohammad Zia Ur Rehman , Prasad Chaudhari , Shubhi Bansal , Nagendra Kumar

Confidence-based pseudo-labeling is among the dominant approaches in semi-supervised learning (SSL). It relies on including high-confidence predictions made on unlabeled data as additional targets to train the model. We propose ProtoCon, a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Islam Nassar , Munawar Hayat , Ehsan Abbasnejad , Hamid Rezatofighi , Gholamreza Haffari

Due to the domain differences and unbalanced disparity distribution across multiple datasets, current stereo matching approaches are commonly limited to a specific dataset and generalize poorly to others. Such domain shift issue is usually…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Zhelun Shen , Xibin Song , Yuchao Dai , Dingfu Zhou , Zhibo Rao , Liangjun Zhang

Adversarial robustness is a critical challenge in deploying deep neural networks for real-world applications. While adversarial training is a widely recognized defense strategy, most existing studies focus on balanced datasets, overlooking…

Machine Learning · Computer Science 2025-03-24 Wang YuHang , Junkang Guo , Aolei Liu , Kaihao Wang , Zaitong Wu , Zhenyu Liu , Wenfei Yin , Jian Liu

In recent decades, science and engineering have been revolutionized by a momentous growth in the amount of available data. However, despite the unprecedented ease with which data are now collected and stored, labeling data by supplementing…

Machine Learning · Statistics 2022-07-05 Nicolas García Trillos , Daniel Sanz-Alonso , Ruiyi Yang

Current Semi-supervised Learning (SSL) adopts the pseudo-labeling strategy and further filters pseudo-labels based on confidence thresholds. However, this mechanism has notable drawbacks: 1) setting the reasonable threshold is an open…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Jiaqi Wu , Junbiao Pang , Qingming Huang