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An important challenge in big data analysis nowadays is detection of cohesive groups in large-scale networks, including social networks, genetic networks, communication networks and so. In this paper, we propose LabelRank, an efficient…

Social and Information Networks · Computer Science 2013-05-15 Jierui Xie , Boleslaw K. Szymanski

Speaker diarization based on bottom-up clustering of speech segments by acoustic similarity is often highly sensitive to the choice of hyperparameters, such as the initial number of clusters and feature weighting. Optimizing these…

Computation and Language · Computer Science 2022-02-22 Andreas Stolcke

Speaker diarization is a task to label audio or video recordings with classes that correspond to speaker identity, or in short, a task to identify "who spoke when". In the early years, speaker diarization algorithms were developed for…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-29 Tae Jin Park , Naoyuki Kanda , Dimitrios Dimitriadis , Kyu J. Han , Shinji Watanabe , Shrikanth Narayanan

With the continuous development of speech recognition technology, speaker verification (SV) has become an important method for identity authentication. Traditional SV methods rely on handcrafted feature extraction, while deep learning has…

Sound · Computer Science 2025-09-05 Zhaorui Sun , Yihao Chen , Jialong Wang , Minqiang Xu , Lei Fang , Sian Fang , Lin Liu

Speaker Diarization is the problem of separating speakers in an audio. There could be any number of speakers and final result should state when speaker starts and ends. In this project, we analyze given audio file with 2 channels and 2…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-11 Vishal Sharma , Zekun Zhang , Zachary Neubert , Curtis Dyreson

Due to the cost of labeling nodes, classifying a node in a sparsely labeled graph while maintaining the prediction accuracy deserves attention. The key point is how the algorithm learns sufficient information from more neighbors with…

Machine Learning · Computer Science 2020-04-10 Chaojie Ji , Ruxin Wang , Rongxiang Zhu , Yunpeng Cai , Hongyan Wu

Community detection in social graphs has attracted researchers' interest for a long time. With the widespread of social networks on the Internet it has recently become an important research domain. Most contributions focus upon the…

Social and Information Networks · Computer Science 2014-02-26 Michel Crampes , Michel Plantié

This paper describes the BUCEA speaker diarization system for the 2022 VoxCeleb Speaker Recognition Challenge. Voxsrc-22 provides the development set and test set of VoxConverse, and we mainly use the test set of VoxConverse for parameter…

Sound · Computer Science 2022-09-21 Ruohua Zhou , Yuxuan Du , Chenlei Hu

Large Audio-Language Models (LALMs) have demonstrated remarkable performance in end-to-end speaker diarization and recognition. However, their speaker discriminability remains limited due to the scarcity of large-scale conversational data…

In this paper, we present the speaker diarization system for the Multi-channel Multi-party Meeting Transcription Challenge (M2MeT) from team DKU_DukeECE. As the highly overlapped speech exists in the dataset, we employ an x-vector-based…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-08 Weiqing Wang , Xiaoyi Qin , Ming Li

The performance of speaker verification degrades significantly when the test speech is corrupted by interference speakers. Speaker diarization does well to separate speakers if the speakers are temporally overlapped. However, if…

Audio and Speech Processing · Electrical Eng. & Systems 2019-02-08 Wei Rao , Chenglin Xu , Eng Siong Chng , Haizhou Li

More and more neural network approaches have achieved considerable improvement upon submodules of speaker diarization system, including speaker change detection and segment-wise speaker embedding extraction. Still, in the clustering stage,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-02 Qingjian Lin , Ruiqing Yin , Ming Li , Hervé Bredin , Claude Barras

Neighborhood Aggregation Strategy (NAS) is a widely used approach in graph embedding, underpinning both Graph Neural Networks (GNNs) and Weisfeiler-Lehman (WL) methods. However, NAS-based methods are identified to be prone to…

Machine Learning · Computer Science 2026-02-17 Shuaibin Song , Kai Ming Ting , Kaifeng Zhang , Tianrun Liang

No community detection algorithm can be optimal for all possible networks, thus it is important to identify whether the algorithm is suitable for a given network. We propose a multi-step algorithmic solution scheme for overlapping community…

Social and Information Networks · Computer Science 2020-06-24 Tianyi Li , Pan Zhang

In this paper, we propose a quality-aware end-to-end audio-visual neural speaker diarization framework, which comprises three key techniques. First, our audio-visual model takes both audio and visual features as inputs, utilizing a series…

Multimedia · Computer Science 2024-10-31 Mao-Kui He , Jun Du , Shu-Tong Niu , Qing-Feng Liu , Chin-Hui Lee

In this paper, we address the problem of speaker recognition in challenging acoustic conditions using a novel method to extract robust speaker-discriminative speech representations. We adopt a recently proposed unsupervised adversarial…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-05 Raghuveer Peri , Monisankha Pal , Arindam Jati , Krishna Somandepalli , Shrikanth Narayanan

Deep neural network-based systems have significantly improved the performance of speaker diarization tasks. However, end-to-end neural diarization (EEND) systems often struggle to generalize to scenarios with an unseen number of speakers,…

Sound · Computer Science 2023-09-14 Zhengyang Chen , Bing Han , Shuai Wang , Yanmin Qian

Existing speaker diarization systems typically rely on large amounts of manually annotated data, which is labor-intensive and difficult to obtain, especially in real-world scenarios. Additionally, language-specific constraints in these…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-13 Phat Lam , Lam Pham , Truong Nguyen , Dat Ngo , Thinh Pham , Tin Nguyen , Loi Khanh Nguyen , Alexander Schindler

DER is the primary metric to evaluate diarization performance while facing a dilemma: the errors in short utterances or segments tend to be overwhelmed by longer ones. Short segments, e.g., `yes' or `no,' still have semantic information.…

Sound · Computer Science 2022-11-09 Tao Liu , Kai Yu

Speaker diarization is the process of labeling different speakers in a speech signal. Deep speaker embeddings are generally extracted from short speech segments and clustered to determine the segments belong to same speaker identity. The…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-18 Myungjong Kim , Vijendra Raj Apsingekar , Divya Neelagiri