DocumentCode
750049
Title
Effects of Round-Off Noise on Hadamard Transformed Imagery
Author
Knab, John J.
Author_Institution
Harris Corp., Melbourne, FL
Volume
25
Issue
11
fYear
1977
fDate
11/1/1977 12:00:00 AM
Firstpage
1292
Lastpage
1294
Abstract
The effects of hardware round-off error when using the two-dimensional Hadamard transform to code 8 by 8 pixel subpicture blocks of imagery are presented. The simulations show that at least 8 bits of precision are desirable.
Keywords
Finite-wordlength effects; Hadamard transforms; Image coding; Transform coding; Aerospace electronics; Education; Error correction; Error correction codes; Hardware; Image coding; Image processing; Laboratories; Pixel; Roundoff errors;
fLanguage
English
Journal_Title
Communications, IEEE Transactions on
Publisher
ieee
ISSN
0090-6778
Type
jour
DOI
10.1109/TCOM.1977.1093768
Filename
1093768
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