Sub-band coding of digital images using symmetric short kernel filters and arithmetic coding techniques

  title={Sub-band coding of digital images using symmetric short kernel filters and arithmetic coding techniques},
  author={Didier J. Le Gall and Ali J. Tabatabai},
  journal={ICASSP-88., International Conference on Acoustics, Speech, and Signal Processing},
  pages={761-764 vol.2}
  • D. L. Gall, A. Tabatabai
  • Published 11 April 1988
  • Computer Science
  • ICASSP-88., International Conference on Acoustics, Speech, and Signal Processing
A simple and efficient method of subband coding of digital images is reported. First, a technique for designing symmetric short tap filters is presented, and it is shown that such filters can be easily implemented by using simple arithmetic operations (e.g. addition and multiplication). By applying the above filters, the input image is decomposed into four bands, which are then coded by using arithmetic coding in combination with discrete PCM coding of the lowest band and PCM coding of higher… 
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