An expanded-image generating apparatus is provided for original image data, in which a plurality of pixels is arranged in a matrix, so as to obtain expanded-image data partitioned into a plurality of blocks, each of which is composed of a plurality of pixels When the magnifying power regarding at least...http://www.google.com.au/patents/US6584237?utm_source=gb-gplus-sharePatent US6584237 - Method and apparatus for expanding image data
