1. A method for processing overscanning, comprising: starting with a first grid comprising a plurality of first pixels, the first pixels each comprising background and non background pixels; creating a subsequent grid, smaller than the first grid by a computer, the subsequent grid comprising a plurality of subsequent pixels each corresponding to a plurality of first pixels, each subsequent pixel determined by averaging the subsequent pixel's corresponding first pixels which are non background pixels; and assigning first pixels in the first grid which are background pixels to a corresponding determined subsequent pixel by the computer.