Image reduction method

Details Image reduction method Image reduction method

H - Electricity

04

N

350/3, 375/4

H04N 1/393 (2006.01) G06T 3/60 (2006.01)

Patent

CA 1225478

ABSTRACT OF THE DISCLOSURE A binary image is reduced in size by a method including the steps of: storing the image in bit sequence; dividing the image into transposable blocks; transposing by look up table, for each block having any nonzero data, each group of 6 bits along a first axis to a group of 5 bits; transposing by look up table, for each block hav- ing any nonzero data, each group of 6 bits along a second axis to a group of 5 bits; storing said transposed blocks.

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