DocumentCode
932201
Title
An efficient algorithm for constructing nearly optimal prefix codes
Author
Mehlhorn, Kurt
Volume
26
Issue
5
fYear
1980
fDate
9/1/1980 12:00:00 AM
Firstpage
513
Lastpage
517
Abstract
A new algorithm is presented for constructing nearly optimal prefix codes in the case of unequal letter costs and unequal probabilities. A bound on the maximal deviation from the optimum is derived and numerical examples are given. The algorithm has running time
, where
is the number of letters and
is the number of probabilities.
, where
is the number of letters and
is the number of probabilities.Keywords
Coding; Algorithm design and analysis; Calculus; Cost function; Entropy; Equations; Linear programming; Probability distribution;
fLanguage
English
Journal_Title
Information Theory, IEEE Transactions on
Publisher
ieee
ISSN
0018-9448
Type
jour
DOI
10.1109/TIT.1980.1056250
Filename
1056250
Link To Document