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13 - Electrical and Electronic Engineering, Metallurgy and Materials

University of Surrey

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Article title

Simultaneous Codeword Optimization (SimCO) for Dictionary Update and Learning

Type

D - Journal article

DOI

10.1109/TSP.2012.2215026

Title of journal

IEEE Transactions on Signal Processing

Article number

Volume number

Issue number

First page of article

6340

ISSN of journal

1941-0476

Year of publication

2012

URL

Number of additional authors

Additional information

This paper proposes a framework called Simultaneous Codeword Optimisation to tackle the problem of finding an appropriate representation for a signal of interest in signal processing. Under this framework, two algorithms have been developed for learning dictionaries from data. This algorithm has been included in the SMALL toolbox, a publicly available and widely-used sparse coding software toolbox. This work has also led to an invited talk on 2011 Allerton Conference in USA, a tutorial speech in 2013 ICASSP Conference in Canada, and seminars at UCL Belgium, Queen Mary University of London, Cardiff University, Brunel University and Sheffield University.

Interdisciplinary

Cross-referral requested

Research group

None

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract