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检索条件"主题词=sparse coding"
2098 条 记 录,以下是41-50 订阅
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sparse coding of birdsong and receptive field structure in songbirds
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NETWORK-COMPUTATION IN NEURAL SYSTEMS 2009年 第3期20卷 162-177页
作者: Greene, Garrett Barrett, David G. T. Sen, Kamal Houghton, Conor Trinity Coll Dublin Sch Math Dublin Ireland UCL Gatsby Computat Neurosci Unit London WC1E 6BT England Boston Univ Dept Biomed Engn Hearing Res Ctr Boston MA 02215 USA Boston Univ Dept Biomed Engn Ctr Biodynam Boston MA 02215 USA
Auditory neurons can be characterized by a spectro-temporal receptive field, the kernel of a linear filter model describing the neuronal response to a stimulus. With a view to better understanding the tuning propertie... 详细信息
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sparse coding and Selected Applications
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KUNSTLICHE INTELLIGENZ 2012年 第4期26卷 349-355页
作者: Hocke, Jens Labusch, Kai Barth, Erhardt Martinetz, Thomas Univ Lubeck Inst Neuro & Bioinformat Ratzeburger Allee 160 D-23562 Lubeck Germany Acrolinx D-10178 Berlin Germany
sparse coding has become a widely used framework in signal processing and pattern recognition. After a motivation of the principle of sparse coding we show the relation to Vector Quantization and Neural Gas and descri... 详细信息
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SCoBeP: Dense image registration using sparse coding and belief propagation
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JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION 2013年 第2期24卷 137-147页
作者: Barzigar, Nafise Roozgard, Aminmohammad Cheng, Samuel Verma, Pramode Univ Oklahoma Dept Elect & Comp Engn Tulsa OK 74135 USA
Image registration as a basic task in image processing has been studied widely in the literature. It is an important preprocessing step in various applications such as medical imaging, super resolution, and remote sen... 详细信息
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Impulse feature extraction method for machinery fault detection using fusion sparse coding and online dictionary learning
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Chinese Journal of Aeronautics 2015年 第2期28卷 488-498页
作者: Deng Sen Jing Bo Sheng Sheng Huang Yifeng Zhou Hongliang Aeronautics and Astronautics Engineering College Air Force Engineering University Unit 94371 of People's Liberation Army
Impulse components in vibration signals are important fault features of complex machines. sparse coding (SC) algorithm has been introduced as an impulse feature extraction method, but it could not guarantee a satisf... 详细信息
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Hierarchical-Based Object Detection with Improved Locality sparse coding
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Chinese Journal of Electronics 2016年 第2期25卷 290-295页
作者: ZHU Suguo DU Junping REN Nan LIANG Meiyu Beijing Key Laboratory of Intelligent Telecommunication software and Multimedia School of Computer ScienceBeijing University of Posts and Telecommunications
This paper proposes to extend the hierarchical method to be adapted to sequential frames, aiming at detecting the moving object in dynamic scenes. A novel two-layer model is proposed, in which dictionaries are learned... 详细信息
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sparse coding-based feature extraction for biometric remote authentication in Internet of Things
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SN APPLIED SCIENCES 2019年 第9期1卷 1098页
作者: Amintoosi, Haleh Taresh, Ali Jaber Ferdowsi Univ Mashhad Fac Engn Comp Engn Dept Mashhad Razavi Khorasan Iran
In recent years, Internet of Things (IoT) has attracted lots of attention. However, the security related issues such as authentication remain a challenge. The heterogeneity of IoT in terms of devices and communication... 详细信息
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sparse coding Techniques for Adjustable Lossy Compression of Baseband Signals in Centralized and Virtualized Communication Systems  32
Sparse Coding Techniques for Adjustable Lossy Compression of...
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32nd European Signal Processing Conference (EUSIPCO)
作者: Piana, Thibault Aissa-El-Bey, Abdeldjalil Arzel, Matthieu Thomas, Alain Lab STICC Brest France Space & Commun Lab Les Ulis France IMT Atlantique CNRS UMR 6285 Lab STICC F-29238 Brest France Safran Data Syst Space & Commun Lab Les Ulis France
This paper presents an efficient lossy compression method based on sparse coding for received noisy signals (RX) in satellite communication systems. The emergence of ground station as a service (GSaaS) and centralized... 详细信息
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sparse coding for Improved Signal-to-Noise Ratio in MRI  21
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21st International Conference on Neural Information Processing (ICONIP)
作者: Razzaq, Fuleah A. Mohamed, Shady Bhatti, Asim Nahavandi, Saeid Deakin Univ Ctr Intelligent Syst Res Geelong Vic 3217 Australia
Magnetic Resonance images (MRI) do not only exhibit sparsity but their sparsity take a certain predictable shape which is common for all kinds of images. That region based localised sparsity can be used to de-noise MR... 详细信息
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Algorithmic performance constraints for wind turbine condition monitoring via convolutional sparse coding with dictionary learning
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PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART O-JOURNAL OF RISK AND RELIABILITY 2021年 第4期235卷 660-675页
作者: Martin-del-Campo, Sergio Sandin, Fredrik Schnabel, Stephan Lulea Univ Technol EISLAB Lulea Sweden Lulea Univ Technol SKF LTU Univ Technol Ctr Lulea Sweden SKF Res & Technol Dev Diagnost & Prognost Lulea Sweden
We analyze vibration signals from wind turbines with dictionary learning and investigate the relation between dictionary distances and faults occurring in a wind turbine output shaft rolling element bearing and gearbo... 详细信息
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Efficient sparse coding Using Hierarchical Riemannian Pursuit
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2021年 69卷 4069-4084页
作者: Xue, Ye Lau, Vincent K. N. Cai, Songfu Hong Kong Univ Sci & Technol Dept Elect & Comp Engn Hong Kong Peoples R China
sparse coding is a class of unsupervised methods for learning a sparse representation of the input data in the form of a linear combination of a dictionary and a sparse code. This learning framework has led to state-o... 详细信息
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