| 摘要 |
PURPOSE:To reduce the number of parts and to reduce occupied space in mounting and the like by attaining any processing of a non-processing, only enlargement, only reduction, reduction after enlargement and enlargement after reduction by means of an enlargement filter and a reduction filter. CONSTITUTION:The enlargement filter 13 outputting the OR of adjacent several picture elements, the reduction filter 12 outputting the AND of the adjacent several picture elements, selectors 14 and 15 setting one designated among input binary data, output data of one filter and data Dm or Dn in the center position of adjacent several picture element data to be input data of the other filter, and a selector 16 selecting one among output data of the enlargement filter 13, output data of the reduction filter 12, data Dm of the center position outputted from the enlargement filter and data Dn of the center position outputted from the reduction filter are provided. Namely, the system is constituted by the enlargement filter 13 and the reduction filter 12 and any processing of the non-processing, only enlargement, only reduction, reduction after enlargement and enlargement after reduction is attained. Thus, the number of the parts is reduced and occupied space can be reduced. |
