Patent ID: 6135653
Filing Date: 2000-10-24
Classification: G06K,G06T

Abstract:
A compressing apparatus for compressing pattern data, the pattern data including a first number of first dot data having a value ""0"" and a second number of second dot data having a value ""1"", said compressing apparatus comprising:increasing means for increasing the first number of the first dot data in the pattern data to provide modified pattern data; andencoding means for counting, in the modified pattern data, a first counted value indicating a number of continuous first dot data so as to generate a first code having an operand indicating a range for the first counted value and a data portion indicating a relative value of the first counted value in the range, said encoding means further counting, in the modified pattern data, a second counted value indicating a number of continuous second dot data so as to generate a second code indicating the second counted value, said encoding means encoding the modified pattern data by alternatively using the first and second codes.