Projekter pr. år
Abstract
Generalised approximate message passing (GAMP) is an approximate Bayesian estimation algorithm for signals observed through a linear transform with a possibly non-linear subsequent measurement model. By leveraging prior information about the observed signal, such as sparsity in a known dictionary, GAMP can for example reconstruct signals from under-determined measurements -- known as compressed sensing. In the sparse signal setting, most existing signal priors for GAMP assume the input signal to have i.i.d. entries. Here we present sparse signal priors for GAMP to estimate non-i.d.d. signals through a non-uniform weighting of the input prior, for example allowing GAMP to support model-based compressed sensing.
Originalsprog | Engelsk |
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Publikationsdato | 22 nov. 2018 |
Antal sider | 3 |
Status | Udgivet - 22 nov. 2018 |
Begivenhed | international Traveling Workshop on Interactions between low-complexity data models and Sensing Techniques - Centre International de Rencontres Mathématiques, Marseille, Frankrig Varighed: 21 nov. 2018 → 23 nov. 2018 Konferencens nummer: 4 https://sites.google.com/view/itwist18 |
Workshop
Workshop | international Traveling Workshop on Interactions between low-complexity data models and Sensing Techniques |
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Nummer | 4 |
Lokation | Centre International de Rencontres Mathématiques |
Land/Område | Frankrig |
By | Marseille |
Periode | 21/11/2018 → 23/11/2018 |
Internetadresse |
Fingeraftryk
Dyk ned i forskningsemnerne om 'Generalised Approximate Message Passing for Non-I.I.D. Sparse Signals'. Sammen danner de et unikt fingeraftryk.Projekter
- 1 Afsluttet
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FastAFM: Enabling Fast Image Acquisition for Atomic Force Microscopy using Compressed Sensing
Larsen, T., Østergaard, J., Jensen, T., Arildsen, T., Oxvig, C. S. & Pedersen, P. S.
01/09/2013 → 31/08/2016
Projekter: Projekt › Forskning
Aktiviteter
- 1 Konferenceoplæg
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Generalised Approximate Message Passing for Non-I.I.D. Sparse Signals
Thomas Arildsen (Foredragsholder)
21 nov. 2018 → 23 nov. 2018Aktivitet: Foredrag og mundtlige bidrag › Konferenceoplæg
Publikation
- 1 Poster
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Generalised Approximate Message Passing for Non-I.I.D. Sparse Signals
Oxvig, C. S. & Arildsen, T., 22 nov. 2018.Publikation: Konferencebidrag uden forlag/tidsskrift › Poster › Forskning
Åben adgang
Forskningsdatasæt
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Weighted GAMP Phase Transitions
Oxvig, C. S. (Ophavsperson), Arildsen, T. (Ophavsperson) & Larsen, T. (Ophavsperson), Zenodo, 5 sep. 2018
Datasæt