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aa108.txt

Associated article: Memory-Efficient Adaptive Huffman Coding

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Published source code accompanying the column by Steven Pigeon and Yoshua Bengio in which they explain how they updated Huffman's classic compression technique. Also see AA108.ZIP.

					Algorithm Alley
by Steven Pigeon and Yoshua Bengio


Example 1:  

Procedure Update_M(a : symbol)
 {
  q,p :pointers to leaves ;
  p = find(a) ;  // Leaf/set containing a
  q = find(p's frequency + 1) ; // where to migrate ?

  if (q != NIL) { // somewhere to migrate?
    remove ...
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