Technique for interpolating a color image for image enlargement or reduction based on look-up tables stored in memory

摘要

An image processing system capable of image enlargement and reduction. Interpolation data is stored in memory in the form of look-up tables for producing image data interpolating between adjacent pixels. The interpolation is carried out based on a selection signal determined in accordance with the designated magnification. The stored interpolation data has a plurality of data tables having distinctive conversion characteristics. A particular data table can be selected in accordance with a property of the original image.