Techniques are disclosed for depleting raster data to provide for faster printing and also to allow printing of the depleted raster data, with a printed dot size that is larger that would otherwise be utilized with the undepleted raster data, on a pixel grid having the resolution of the undepleted raster...http://www.google.de/patents/US5559930?utm_source=gb-gplus-sharePatent US5559930 - Method for reducing pixel density along a plurality of axes of a multiple dimension image representation
