1.

Record Nr.

UNINA9910300117103321

Autore

Prandi Dario

Titolo

A Semidiscrete Version of the Citti-Petitot-Sarti Model as a Plausible Model for Anthropomorphic Image Reconstruction and Pattern Recognition / / by Dario Prandi, Jean-Paul Gauthier

Pubbl/distr/stampa

Cham : , : Springer International Publishing : , : Imprint : Springer, , 2018

ISBN

3-319-78482-X

Edizione

[1st ed. 2018.]

Descrizione fisica

1 online resource (XIV, 113 p. 14 illus., 6 illus. in color.)

Collana

SpringerBriefs in Mathematics, , 2191-8198

Disciplina

515.785

Soggetti

Harmonic analysis

Computer science—Mathematics

Computer science - Mathematics

Optical data processing

Abstract Harmonic Analysis

Mathematical Applications in Computer Science

Computer Imaging, Vision, Pattern Recognition and Graphics

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

1 Introduction -- 2 Preliminaries -- 3 Lifts -- 4 Almost-periodic interpolation and approximation -- 5 Pattern recognition -- 6 Image reconstruction -- 7 Applications -- 8 Appendix: A Circulant matrices -- 9 Appendix B: Bispectrally admissible sets.

Sommario/riassunto

This book proposes a semi-discrete version of the theory of Petitot and Citti-Sarti, leading to a left-invariant structure over the group SE(2,N), restricted to a finite number of rotations. This apparently very simple group is in fact quite atypical: it is maximally almost periodic, which leads to much simpler harmonic analysis compared to SE(2). Based upon this semi-discrete model, the authors improve on previous image-reconstruction algorithms and develop a pattern-recognition theory that also leads to very efficient algorithms in practice.