1. A method for reconstructing a first image from a second image comprising: capturing the second image on a touch sensitive device; aligning columns of image data in the second image with each other such that the columns have a common value, wherein an amount of adjustment used to align each respective column of the columns is based at least in part on data associated with the respective column and data associated with at least one other column; and aligning the column-aligned image data with a baseline value to reconstruct the first image.