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Pseudo-Hadamard Transform

Makoto SATO

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Summary :

A new transform of trinary vectors, called pseudo-Hadamard transform, is introduced. This transform is a one-to-one mapping in a trinary vector space and very similar to the Hadamard transform. To define the pseudo-Hadamard transform, the Good's formula for the fast Hadamard transform HN of N(=2n) dimension HN=TnTn1T1 is used, where the transform Ti(i=1,2,,n) consists of N additions and subtractions. The pseudo-Hadamard transform is defined by replacing the additions and the subtractions with kinds of trinary operations. This transform preserves some properties of the Hadamard transform and is also very easy to perform. As applications of the pseudo-Hadamard transform, examples of binary image processing are presented.

Publication
IEICE TRANSACTIONS on transactions Vol.E69-E No.4 pp.544-548
Publication Date
1986/04/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Algorithm, Computational Complexity

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