Patent ID: 7920293
Filing Date: 2011-04-05
Classification: H04N

Abstract:
1. A method for reproducing an image in super resolution, comprising: receiving an input contone array of M contone data values, the contone data values being within a range from 1 to N; comparing each contone data value to an array of M sets of pattern look-up tables to generate an array of M pattern values, wherein M is one or more and the M sets of pattern look-up tables include intensity threshold levels and corresponding super resolution codes, each lookup table corresponding to a halftone screen divided into a plurality of pixels, each pixel comprising a K by L multi-pixel sub-pattern comprising a halftone pattern, wherein each super resolution code is associated with one of the K by L sub-patterns of binary data of the halftone screen; decoding each pattern value to corresponding K by L multi-pixel sub-patterns of binary data associated with the super-resolution codes to generate a halftone screen; and reproducing the binary data using the generated halftone screen.