Data compression system

Details Data compression system Data compression system

1977-01-14

1978-05-02

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

3401463MA, G06K 912

Patent

active

040877884

ABSTRACT:
A data compression system is disclosed in which the left-hand boundary of a character is developed in the form of a sequence of Freeman direction codes, the codes being stored in digital form within a processor. The number of binary data bits required to define the character using different criteria is then generated and compared to determine which criteria defines the character in the minimum amount of binary data bits.

REFERENCES:
patent: 3987412 (1976-10-01), Morrin
patent: 4020463 (1977-04-01), Himmel
Frank, "High Fidelity Encoding of Two-Level, High Resolution Images," IEEE Int. Conference on Communications, 6-73. pp. 26-5 to 26-10.

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