DocumentCode
782530
Title
A Family of Fast Walsh Hadamard Algorithms With Identical Sparse Matrix Factorization
Author
Marti-Puig, Pere
Author_Institution
Dept. of Digital Inf. Technol., Univ. of Vic
Volume
13
Issue
11
fYear
2006
Firstpage
672
Lastpage
675
Abstract
In this letter, we present a family of fast Walsh Hadamard transform algorithms that have an identical and iterative stage factorization. We show the transform factorization in terms of identical sparse matrices that implement the stages of general radix-R factorization, where R is a power of 2
Keywords
Hadamard transforms; Walsh functions; digital arithmetic; iterative methods; matrix decomposition; signal processing; sparse matrices; Walsh Hadamard transform algorithm; identical sparse matrix factorization; iterative method; radix-R factorization; Discrete transforms; Error correction; Error correction codes; Hardware; Helium; Image analysis; Image recognition; Iterative algorithms; Matrix decomposition; Sparse matrices; Hadamard matrices; iterative Hadamard transforms;
fLanguage
English
Journal_Title
Signal Processing Letters, IEEE
Publisher
ieee
ISSN
1070-9908
Type
jour
DOI
10.1109/LSP.2006.879472
Filename
1707732
Link To Document