• DocumentCode
    387912
  • Title

    Sub-band coding of images

  • Author

    Woods, John W. ; O´Neil, Sean D.

  • Author_Institution
    Rensselaer Polytechnic Institute, Troy, NY
  • Volume
    11
  • fYear
    1986
  • fDate
    31503
  • Firstpage
    1005
  • Lastpage
    1008
  • Abstract
    This paper presents an extension of sub-band coding to two-dimensions with particular application to images. We employ a 16 band decomposition using a tree structure of separable quadrature mirror filters and decimators. The sub-bands are encoded using DPCM with bits allocated to approximately minimize the mean-square error. A block-adaptive variant is also presented. A limited SNR comparison shows adaptive sub-band coding to outperform the adaptive discrete cosine transform and two types of vector quantizers.
  • Keywords
    Band pass filters; Bandwidth; Discrete cosine transforms; Finite impulse response filter; Frequency; Image coding; Phase change materials; Speech coding; Systems engineering and theory; Tree data structures;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '86.
  • Type

    conf

  • DOI
    10.1109/ICASSP.1986.1168863
  • Filename
    1168863
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=387912