1986-04-11
1988-05-10
Atkinson, Charles E.
Excavating
340347DD, 375 27, G06F 1100
Patent
active
047440856
ABSTRACT:
A device for processing a data sequence consisting of data having an m number (an integer) of quantization levels is arranged to divide the m number of levels into an n number (an integer less than m) of groups and to make the data into such data that has a fixed part consisting of a fixed number of bits indicating the divided groups and a variable part consisting of a variable number of bits indicating each data to an extent of unit quantization level within each of the groups.
REFERENCES:
patent: 4023199 (1977-05-01), Netravali et al.
patent: 4229820 (1980-10-01), Enomoto
patent: 4314105 (1982-02-01), Mozer
patent: 4536741 (1985-08-01), Farah
Atkinson Charles E.
Canon Kabushiki Kaisha
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