This invention can perform inkjet printing operation which can reduce density irregularity and reduce deterioration in image quality without causing any deterioration in graininess. The invention relates to an image correction method or inkjet printing apparatus which divides the scanning area of a printhead...http://www.google.com.au/patents/US7438374?utm_source=gb-gplus-sharePatent US7438374 - Inkjet printing apparatus, printing control method for inkjet printing apparatus, program, and storage medium