Implementation of the locally competitive algorithm on a field programmable analog array

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balavoine_aurele_200912_mast.pdf (831.71 KB)
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Balavoine, Aurèle
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http://hdl.handle.net/1853/37255
Abstract
Sparse approximation is an important class of optimization problem in signal and image processing applications. This thesis presents an analog solution to this problem, based on the Locally Competitive Algorithm (LCA). A Hopfield-Network-like analog system, operating on sub-threshold currents is proposed as a solution. The results of the circuit components' implementation on the RASP2.8a chip, a Field Programmable Analog Array, are presented.
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2009-11-17
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