1. A method of depositing funds of a negotiable instrument, comprising: receiving a request to deposit the funds of the negotiable instrument; accessing a digital image of the negotiable instrument, wherein the digital image was created using a digital camera; warping, using a processor, at least a part of the digital image to remove a distortion by: applying a filter to remove at least one feature within a body of the digital image, wherein the filter is a convolution filter; determining, after applying the filter, at least one aspect of the digital image; and mapping pixels of the digital image into an output image based on the at least one determined aspect; and transmitting the output image in order to deposit the funds from the negotiable instrument.