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A development of symmetric extension method for subband image coding

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3 Author(s)
H. Kiya ; Fac. of Technol., Tokyo Metropolitan Univ., Japan ; K. Nishikawa ; M. Iwahashi

Describes the development of a technique for subband image coding called the symmetric extension method which utilizes the nature of a symmetrically extended image to achieve high quality coding. There are, however, some restrictions on the usable subband coding system. The development is done based on the property of a symmetrically extended signal in the analysis process to remove the restriction. The behavior of the sequence after two processes, filtering and decimation, is examined and formulated. The development extends the application area of the technique

Published in:

IEEE Transactions on Image Processing  (Volume:3 ,  Issue: 1 )