Rounded reduced-difference pyramid for semilossy image coding (Articolo in rivista)

Type
Label
  • Rounded reduced-difference pyramid for semilossy image coding (Articolo in rivista) (literal)
Anno
  • 1995-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1117/12.212976 (literal)
Alternative label
  • Luciano Alparone; Paolo Capperi; Bruno Aiazzi; Stefano Baronti; Giuliano Benelli (1995)
    Rounded reduced-difference pyramid for semilossy image coding
    in Optical engineering (Bellingham, Print); SPIE, Society of Photo-Optical Instrumentation Engineers, Bellingham [WA] (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Luciano Alparone; Paolo Capperi; Bruno Aiazzi; Stefano Baronti; Giuliano Benelli (literal)
Pagina inizio
  • 3277 (literal)
Pagina fine
  • 3283 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://spiedigitallibrary.org/oe/resource/1/opegar/v34/i11/p3277_s1?isAuthorized=no (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 34 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 11 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
  • Google Scholar (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Ingegneria Elettronica, University of Florence, via di S. Marta 3, I-50139 Florence, Italy Dipartimento di Ingegneria Elettronica, University of Florence, via di S. Marta 3, I-50139 Florence, Italy Istituto di Ricerca sulle Onde Elettromagnetiche \"Nello Carrara\", CNR, via Panciatichi 64, I-50127 Florence, Italy Istituto di Ricerca sulle Onde Elettromagnetiche \"Nello Carrara\", CNR, via Panciatichi 64, I-50127 Florence, Italy School of Engineering, University of Siena, via Roma 77, I-53100 Siena, Italy (literal)
Titolo
  • Rounded reduced-difference pyramid for semilossy image coding (literal)
Abstract
  • An extension of the reduced-difference pyramid (RDP) algorithm is derived and proposed for lossy image compression with upper-bounded maximum error (semilossy). Quantization has been introduced into the basic RDP in two different ways: approximations are made either before or after taking the differences among pairs of adjacent nodes. The resulting peak-error (PE) propagation along the pyramid is theoretically investigated, and quantization strategies are suggested. Tests on the standard grey-scale Lena image show significant and steady rate-distortion improvements over the original RDP. As few fixed-point operations are required per pixel, on-line compression/decompression is feasible on general-purpose computers. (literal)
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