New efficient shuffled block transform design technique

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New efficient shuffled block transform design technique

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A new efficient design technique referred to as the shuffled block transform (SBT) for transform coding is proposed. This technique leads to basis functions that use the same coefficient values in different shift positions, allowing very efficient numerical implementation of the block transform coder. Additionally, when the coefficients of the first basis function are chosen as integers, the SBT can be implemented with addition and shift operations only. This multiplier-free structure makes the SBT type block transform very efficient as far as implementation is concerned.

Inspec keywords: image coding; block codes; discrete cosine transforms

Other keywords: multiplier-free structure; numerical implementation; block transform coder; basis functions; transform coding; efficient shuffled block transform design technique; shift positions; SBT type block transform; shift operations; coefficient values; addition operations

Subjects: Pattern recognition; Other numerical methods; Other numerical methods; Integral transforms; Integral transforms; Codes; Optical information, image and video signal processing

References

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      • O. Alkin , H. Caglar . Design of efficient M band coders with linear phase and perfect reconstructionproperties. IEEE Trans. Signal Proc.
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      • M.S. Jayant , P. Noll . (1984) Digital coding of waveforms.
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      • A.N. Akansu , R.A. Haddad . (1992) Multiresolution signal decomposition: Transforms, subbands and wavelets.
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19940568
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