Data compression method

Details Data compression method Data compression method

H - Electricity

03

M

354/233

H03M 7/42 (2006.01) G06F 17/22 (2006.01)

Patent

CA 1291829

ABSTRACT In a method of compressing text data including codewords of characters; input word each consisting of a series of codewords of one or more characters is extracted from the text data; a dictionary containing, as entries, words made up of characters is provided; a codeword is stored in association with each word; occurrence counts of respective words are also stored; the dictionary is searched to find whether or not the input word matches any of the words; the codeword assigned to the word which the input word has been found to match is produced; the occurrence count of the word which the input word has been found to match is updated; and when the input word is not found to match any of the words, the input word is introduced as a new word.

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