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2,229 results on '"Wu, Guan"'

2. Improving Textless Spoken Language Understanding with Discrete Units as Intermediate Target

Author

Wu, Guan-Wei, Lin, Guan-Ting, Li, Shang-Wen, and Lee, Hung-yi

Subjects
Computer Science - Computation and Language, Electrical Engineering and Systems Science - Audio and Speech Processing
Abstract

Spoken Language Understanding (SLU) is a task that aims to extract semantic information from spoken utterances. Previous research has made progress in end-to-end SLU by using paired speech-text data, such as pre-trained Automatic Speech Recognition (ASR) models or paired text as intermediate targets. However, acquiring paired transcripts is expensive and impractical for unwritten languages. On the other hand, Textless SLU extracts semantic information from speech without utilizing paired transcripts. However, the absence of intermediate targets and training guidance for textless SLU often results in suboptimal performance. In this work, inspired by the content-disentangled discrete units from self-supervised speech models, we proposed to use discrete units as intermediate guidance to improve textless SLU performance. Our method surpasses the baseline method on five SLU benchmark corpora. Additionally, we find that unit guidance facilitates few-shot learning and enhances the model's ability to handle noise., Comment: Accepted by Interspeech 2023. *Equal contribution

Published
2023

37. Adaptive Anti-saturation Tracking Control for Spacecraft Safe Approach Based on Fast Terminal Sliding Mode

Author

Wu, Guan-qun, He, Zong-Bo, Lu, Ya-dong, Xing, Yan-jun, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, Yan, Liang, editor, and Yu, Xiang, editor

Published
2022
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39. Research on fault detection and principal component analysis for spacecraft feature extraction based on kernel methods

Author

Fu Na, Zhang Guanghua, Xia Keqiang, Qu Kun, Wu Guan, Han Minzhang, and Duan Junru

Subjects
kernel principal component analysis, pca dimension reduction, feature extraction, visualization, Astronomy, QB1-991
Abstract

Satellite anomaly is a process of evolution. Detecting this evolution and the underlying feature changes is critical to satellite health prediction, fault early warning, and response. Analyzing the correlation between telemetry parameters is more convincing than detecting single-point anomalies. In this article, principal component analysis method was adopted to downscale the multivariate probability model, T2{T}^{2} statistic was checked to determine the data anomaly, without the trouble of threshold setting. After an anomaly was detected, time-domain visualization and dimension reduction methods were introduced to visualize the satellite anomaly evolution, where the dimensions of telemetry or features were reduced and presented in two- or three-dimensional coordinates. Engineering practice shows that this method facilitates the early detection of satellite anomalies, and helps ground operators to respond in the early stages of an anomaly.

Published
2022
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43. MP56-03 ONCOLOGICAL OUTCOMES FOR T1 SMALL RENAL CELL CARCINOMA AFTER PARTIAL NEPHRECTOMY IS NOT SIGNIFICANTLY ASSOCIATED WITH HISTOPATHOLOGICAL SUBTYPE: A 20-YEAR RETROSPECTIVE FOLLOW UP FROM ONE SINGLE INSTITUTION

Author

Sandoval, Victor, primary, Ellis, E. Lizabeth, additional, Cendejas, Jesus, additional, Li, Ashley, additional, Venkatesh, Srindhi, additional, Osinski, Thomas, additional, Feng, Changyong, additional, Wu, Guan, additional, and Tabayoyong, William, additional

Published
2024
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