1. A method for mobile image capture and processing of financial documents, comprising: receiving an image of a financial document captured by a mobile communication device; geometrically correcting the image to clarify a content of the image, wherein clarifying the content of the image further comprises: generating a color icon from the image, wherein the color icon is generated so as to suppress color contrasts within the image of the financial document and to preserve color contrasts between the financial document and a financial document background; generating a grayscale icon from the color icon by reducing the color of the color icon such that the color contrasts between the financial document and the financial document background are preserved; and identifying corners of the financial document within the grayscale icon; identifying the content on the corrected image of the financial document; and extracting financial content from the corrected image which is related to processing of the financial document by a financial institution.