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检索条件"主题词=Signal processing algorithms"
43365 条 记 录,以下是401-410 订阅
排序:
Sparse Projection Matrix Approximation and Its Applications
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IEEE signal processing LETTERS 2025年 32卷 351-355页
作者: Zhai, Zheng Wu, Mingxin Xu, Jialu Li, Xiaohui Beijing Normal Univ Fac Arts & Sci Dept Stat Zhuhai 519088 Peoples R China Yantai Univ Sch Math & Informat Sci Yantai 264032 Peoples R China
This letter introduces a sparse regularized projection matrix approximation (SPMA) model to recover cluster structures from affinity matrices. The model is formulated as a projection approximation problem with an entr... 详细信息
来源: 评论
A Hardware-Friendly Lightweight Partition Decision Algorithm for VVC Intra and Inter Coding
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IEEE signal processing LETTERS 2025年 32卷 941-945页
作者: Zan, Zhao Huang, Leilei Chen, Shushi Zeng, Xiaoyang Fan, Yibo Fudan Univ State Key Lab Integrated Chips & Syst Shanghai 201203 Peoples R China East China Normal Univ Inst Microelect Circuits & Syst Shanghai 200241 Peoples R China
The Versatile Video Coding (VVC) standard notably enhances encoding efficiency with the Quad-Tree plus Multi-Type Tree (QTMTT) partition structure. However, the complex QTMTT tool presents substantial challenges in bo... 详细信息
来源: 评论
Minimum Total Quaternion Error Entropy Filtering With Fiducial Points Against Asymmetric Noise
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IEEE signal processing LETTERS 2025年 32卷 306-310页
作者: Lin, Dongyuan Cai, Peng Chen, Xiaofeng Zheng, Yunfei Wang, Shiyuan Southwest Univ Coll Elect & Informat Engn Chongqing 400715 Peoples R China Chongqing Jiaotong Univ Dept Math Chongqing 400074 Peoples R China
Quaternion adaptive filters (QAFs) are extensively used in processing three- or four-dimensional signals effectively. However, their performance can significantly deteriorate or even diverge when system inputs and out... 详细信息
来源: 评论
Hypformer: A Fast Hypothesis-Driven Rescoring Speech Recognition Framework
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IEEE signal processing LETTERS 2025年 32卷 471-475页
作者: Zhuang, Xuyi Qian, Yukun Wang, Mingjiang Harbin Inst Technol Shenzhen Shenzhen 518000 Peoples R China
Recently, the performance of non-autoregressive ASR models has made significant progress but still lags behind hybrid CTC/attention systems. This paper introduces Hypformer, a fast hypothesis-driven rescoring speech r... 详细信息
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Improved Free-of-CPP ADMM-Based Iterative Decoding Algorithm of Binary LDPC Codes
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IEEE signal processing LETTERS 2025年 32卷 211-215页
作者: Bai, Jing An, Zedong Chi, Yuhao Song, Guanghui Yuen, Chau Shijiazhuang Tiedao Univ Sch Informat Sci & Technol Shijiazhuang 050043 Peoples R China Xidian Univ State Key Lab Integrated Serv Networks Xian 710071 Peoples R China Nanyang Technol Univ Sch Elect & Elect Engn Singapore 487372 Singapore
Iterative decoding algorithms based on the alternating direction method of multipliers (ADMM) decoding of low density parity check (LDPC) codes has emerged as an alternating decoding method and bringed a boom of resea... 详细信息
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Energy-Efficient Sensor Scheduling for State Estimation Over Homogeneous Multi-Hop Networks
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IEEE signal processing LETTERS 2025年 32卷 411-415页
作者: Li, Yao Song, Rui Zheng, Jianyong Guan, Xinping Shanghai Univ Sch Future Technol Shanghai 200444 Peoples R China Shanghai Jiao Tong Univ Dept Automat Shanghai 200240 Peoples R China
In this letter, anestimation-oriented power-constrained sensor scheduling problem over multi-hop sensor networks is studied. Two different online scheduling schemes for multi-hop transmission, i.e., global-delay-based... 详细信息
来源: 评论
A Two-Level Weighted Low-Complexity Adaptive Beamforming Method
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IEEE signal processing LETTERS 2025年 32卷 1246-1250页
作者: Du, Yuxi Cui, Weijia Ba, Bin Chen, Yangyang Zhang, Long PLA Strateg Support Informat Engn Univ Zhengzhou 450001 Peoples R China
Aiming at the problem of high computational complexity of adaptive beamforming techniques in array radar systems, a two-level weighted low-complexity adaptive beamforming method is proposed in this letter. First, the ... 详细信息
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l0 Penalized Maximum Likelihood Estimation of Sparse Covariance Matrices
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IEEE signal processing LETTERS 2025年 32卷 66-70页
作者: Fatima, Ghania Stoica, Petre Babu, Prabhu Indian Inst Technol Delhi CARE New Delhi 110016 India Uppsala Univ Dept Informat Technol S-75105 Uppsala Sweden
In this letter we present a framework for estimating sparse covariance matrices, wherein we solve the l(0)-norm penalized maximum likelihood estimation problem using the extended Bayesian information criterion (EBIC),... 详细信息
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FastPSA: A Fast Version of the Principal Skewness Analysis
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IEEE signal processing LETTERS 2025年 32卷 1226-1230页
作者: Gao, Jingyu Geng, Xiurui Ji, Luyan Chinese Acad Sci Aerosp Informat Res Inst Beijing 100094 Peoples R China Chinese Acad Sci Key Lab Technol Geospatial Informat Proc & Applica Beijing 100190 Peoples R China Univ Chinese Acad Sci Sch Elect Elect & Commun Engn Beijing 100049 Peoples R China
Recently, principal skewness analysis (PSA) has been introduced into the domain of feature extraction. It is equivalent to the skewness version of Fast independent component analysis (FastICA). Unlike FastICA, PSA doe... 详细信息
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A Robust Adaptive Beamforming Algorithm for Mismatch and Impulsive Noise Circumstance
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IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 2025年 22卷
作者: Zhang, Xuejun Feng, Dazheng Wang, Zhonggen Gan, Fubao Anhui Univ Sci & Technol Sch Elect & Informat Huainan 232001 Peoples R China Xidian Univ Natl Lab Radar Signal Proc Xian 710071 Peoples R China
This letter provides a solution to a robust adaptive beamformer used in remote sensing systems under the effect of two factors: 1) the impulsive noise satisfying Gaussian mixture distribution and 2) unknown model mism... 详细信息
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