Title :
Effects of Round-Off Noise on Hadamard Transformed Imagery
Author_Institution :
Harris Corp., Melbourne, FL
fDate :
11/1/1977 12:00:00 AM
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;
Journal_Title :
Communications, IEEE Transactions on
DOI :
10.1109/TCOM.1977.1093768