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Speech and music source separation for cochlear implant users: front-end and end-to-end approach. [PDF]
Front NeurosciTahmasebi S, Nogueira W.
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Real-Time Panoramic Surveillance Video Stitching Method for Complex Industrial Environments. [PDF]
Sensors (Basel)Zhu J +5 more
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2023
Η παρούσα διατριβή πραγματεύτηκε μοντέλα επεξεργασίας σήματος που εφαρμόζονται σε γραφήματα. Η τετραγωνική κατά το ήμισυ ελαχιστοποίηση, οι εύρωστοι εκτιμητές, όπως ο διάμεσος και οι Μ-εκτιμητές, η κανονικοποίηση μέσω της l21 νόρμας, η ομαδική μέθοδος των ελαχίστων τετραγώνων αποτελούν τη βάση των προτεινόμενων προσεγγίσεων.
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Η παρούσα διατριβή πραγματεύτηκε μοντέλα επεξεργασίας σήματος που εφαρμόζονται σε γραφήματα. Η τετραγωνική κατά το ήμισυ ελαχιστοποίηση, οι εύρωστοι εκτιμητές, όπως ο διάμεσος και οι Μ-εκτιμητές, η κανονικοποίηση μέσω της l21 νόρμας, η ομαδική μέθοδος των ελαχίστων τετραγώνων αποτελούν τη βάση των προτεινόμενων προσεγγίσεων.
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GENERALIZED GRAPH SIGNAL PROCESSING
2018 IEEE Global Conference on Signal and Information Processing (GlobalSIP), 2018Graph signal processing (GSP) has become an important tool in many areas such as image processing, networking learning and analysis of social network data. In this paper, we propose a broader framework that not only encompasses traditional GSP as a special case, but also includes a hybrid framework of graph and classical signal processing over a ...
Feng Ji, Wee Peng Tay
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Graph-Projected Signal Processing
2018 IEEE Global Conference on Signal and Information Processing (GlobalSIP), 2018In the past few years, Graph Signal Processing (GSP) has attracted a lot of interest for its aim at extending Fourier analysis to arbitrary discrete topologies described by graphs. Since it is essentially built upon analogies between classical temporal Fourier transforms and ring graphs spectrum, these extensions do not necessarily yield expected ...
Nicolas Grelier +3 more
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Graph Error Effect in Graph Signal Processing
2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2018The first step in any graph signal processing (GSP) task is to learn the graph signal representation, i.e., to capture the dependence structure of the data into an adjacency matrix. Indeed, the adjacency matrix is typically not known a priori and has to be learned. However, it is learned with errors.
Vorobyov, Sergiy A. +3 more
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Discrete signal processing on graphs: Graph filters
2013 IEEE International Conference on Acoustics, Speech and Signal Processing, 2013We propose a novel discrete signal processing framework for structured datasets that arise from social, economic, biological, and physical networks. Our framework extends traditional discrete signal processing theory to datasets with complex structure that can be represented by graphs, so that data elements are indexed by graph nodes and relations ...
Aliaksei Sandryhaila, Jose M. F. Moura
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