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检索条件"主题词=sparse coding"
2101 条 记 录,以下是2021-2030 订阅
排序:
Are sparse-coding simple cell receptive field models physiologically plausible?
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Journal of Integrative Neuroscience 2006年 第3期5卷 333-353页
作者: Watters, Paula Department of Computing Macquarie University Sydney NSW 2109 Australia
Olshausen and Field (1996) developed a simple cell receptive field model for natural scene processing in V1, based on unsupervised learning and non-orthogonal basis function optimization of an overcomplete representat... 详细信息
来源: 评论
DASHER: A PEER-TO-PEER CONTENT DISTRIBUTION SYSTEM BASED ON COMBINED NETWORK coding
DASHER: A PEER-TO-PEER CONTENT DISTRIBUTION SYSTEM BASED ON ...
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2nd IEEE International Conference on Broadband Network and Multimedia Technology
作者: Ou Kaiqian Xu Yinlong Ma Guanjun Zhu Yulin Univ Sci & Technol China Dept Comp Sci & Technol Key Lab High Performance Comp Hefei Anhui Peoples R China
Network coding can ease the block scheduling and thus makes the distribution more efficient. However, the complexities of encoding and decoding increase sharply as the content size scales up. In this paper, we propose... 详细信息
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Prediction of O-linked Glycosylation Sites in Protein Sequence by PCA-LDA
Prediction of O-linked Glycosylation Sites in Protein Sequen...
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2009 Ninth International Conference on Hybrid Intelligent Systems(第九届混合智能系统国际会议 HIS 2009)
作者: Xue-mei Yang College of Mathematics and Information Science Xianyang Normal Univ. Xianyang 712000China
O-glycosylation is one of the main types of the mammalian protein glycosylation, it occurs on the particular site of serine and threonine. In this paper, a new method of PCA-LDA is used for the prediction of O-glycosy... 详细信息
来源: 评论
Spatial relationship representation for visual object searching
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NEUROCOMPUTING 2008年 第10-12期71卷 1813-1823页
作者: Miao, Jun Duan, Lijuan Qing, Laiyun Gao, Wen Chen, Xilin Yuan, Yuan Chinese Acad Sci Inst Comp Technol Key Lab Intelligent Informat Proc Digital Media Res Ctr Beijing 100080 Peoples R China Beijing Univ Technol Coll Comp Sci & Technol Beijing 100022 Peoples R China Chinese Acad Sci Grad Univ Sch Informat Sci & Engn Beijing 100049 Peoples R China Aston Univ Sch Engn & Appl Sci Birmingham B4 7ET W Midlands England Peking Univ Inst Digital Media Beijing 100080 Peoples R China
Image representation has been a key issue in vision research for many years. In order to represent various local image patterns or objects effectively, it is important to study the spatial relationship among these obj... 详细信息
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An adaptive stereo basis method for convolutive blind audio source separation
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NEUROCOMPUTING 2008年 第10-12期71卷 2087-2097页
作者: Jafari, Maria G. Vincent, Emmanuel Abdallah, Samer A. Plumbley, Mark D. Davies, Mike E. Queen Mary Univ London Dept Elect Engn Ctr Digital Mus London E1 4NS England IRISA INRIA METISS Project F-35042 Rennes France Univ Edinburgh IDCOM Edinburgh EH9 3JL Midlothian Scotland Univ Edinburgh Joint Res Inst Signal & Image Proc Edinburgh EH9 3JL Midlothian Scotland
We consider the problem of convolutive blind source separation of stereo mixtures, where a pair of microphones records mixtures of sound sources that are convolved with the impulse response between each source and sen... 详细信息
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A universal model of esthetic perception based on the sensory coding of natural stimuli
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SPATIAL VISION 2008年 第1-2期21卷 97-117页
作者: Redies, Christoph Univ Jena Sch Med Inst Anat 1 D-07740 Jena Germany
Philosophers have pointed out that there is a close relation between the esthetics of art and the beauty of natural scenes. Supporting this similarity at the experimental level, we have recently shown that visual art ... 详细信息
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Multilayer Potts Perceptrons With Levenberg-Marquardt Learning
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IEEE TRANSACTIONS ON NEURAL NETWORKS 2008年 第12期19卷 2032-2043页
作者: Wu, Jiann-Ming Natl Doug Hwa Univ Dept Appl Math Shoufeng 974 Hualien Taiwan
This paper presents learning multilayer Potts perceptrons (MLPotts) for data driven function approximation. A Potts perceptron is composed of a receptive field and a K-state transfer function that is generalized from ... 详细信息
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sparse gammatone signal model optimized for English speech does not match the human auditory filters
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BRAIN RESEARCH 2008年 1220卷 224-233页
作者: Strahl, Stefan Mertins, Alfred Carl von Ossietzky Univ Oldenburg Int Grad Sch Neurosensory Sci & Syst D-26111 Oldenburg Germany Med Univ Lubeck Inst Signal Proc D-23538 Lubeck Germany
Evidence that neurosensory systems use sparse signal representations as well as improved performance of signal processing algorithms using sparse signal models raised interest in sparse signal codingin the last years.... 详细信息
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Memory formation by refinement of neural representations: The inhibition hypothesis
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BEHAVIOURAL BRAIN RESEARCH 2008年 第1期189卷 1-8页
作者: Axmacher, Nikolai Elger, Christian E. Fell, Juergen Univ Bonn Dept Epileptol D-53105 Bonn Germany Life & Brain Ctr Acad Res D-53127 Bonn Germany
There is no reasonable doubt that the hippocampus plays an important role in memory processing. A virtually uncountable number of studies in animals and humans have revealed changes in neural activity in this structur... 详细信息
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Non-negative sparse image coder via simulated annealing and pseudo-inversion
Non-negative sparse image coder via simulated annealing and ...
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33rd IEEE International Conference on Acoustics, Speech and Signal Processing
作者: Pichevar, Ramin Rouat, Jean Univ Sherbrooke Dept Elect & Comp Engn Sherbrooke PQ J1K 2R1 Canada
We propose a sparse non-negative image coding based on simulated annealing and matrix pseudo-inversion. We show that sparsity and non-negativity are both important to obtain part-based coding and we also show the impa... 详细信息
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