Tales of Huffman

نویسندگان

  • Paul M. B. Vitányi
  • Zvi Lotker
چکیده

We study the new problem of Huffman-like codes subject to individual restrictions on the code-word lengths of a subset of the source words. These are prefix codes with minimal expected code-word length for a random source where additionally the code-word lengths of a subset of the source words is prescribed, possibly differently for every such source word. Based on a structural analysis of properties of optimal solutions, we construct an efficient dynamic programming algorithm for this problem, and for an integer programming problem that may be of independent interest.

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عنوان ژورنال:
  • CoRR

دوره abs/cs/0612133  شماره 

صفحات  -

تاریخ انتشار 2006