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Image coding by multistep, adaptive flux interpolation

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3 Author(s)
Baghai-Ravary, L. ; Sheffield Univ., UK ; Beet, S.W. ; Tokhi, M.O.

The authors describe and discuss the new technique, multistep adaptive flux interpolation (MAFI), and its application to image data for coding. When applied to an image, MAFI produces an output which is also in an image form, but which has a more uniform feature density and a greatly reduced size. MAFI warps the input image by removing those rows and columns which contain a majority of redundant pixels. The side information required for reconstruction is minimal, and the image can be further compressed using conventional coders, making the compression ratio even higher. Because of its warped nature, the MAFI output's statistics are also more consistent with the properties assumed by block-based discrete cosine transform (DCT) methods

Published in:

Vision, Image and Signal Processing, IEE Proceedings -  (Volume:143 ,  Issue: 6 )

Date of Publication:

Dec 1996

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