1. A method, comprising: capturing an image of a document using a camera of a mobile device; classifying the image as an image of a financial document, the classifying further comprising: generating a first representation of the image, the first representation being characterized by a reduced resolution; generating a first feature vector based on the first representation; comparing the first feature vector to a plurality of reference feature matrices; and classifying an object depicted in the image as a member of a particular object class based at least in part on the comparing; determine one or more object features of the object based at least in part on the particular object class; performing optical character recognition (OCR) on the image of the financial document; extracting an identifier of the financial document from the image based at least in part on the OCR; associating the image of the financial document with metadata descriptive of one or more of the financial document and financial information relating to the financial document; and storing the image of the financial document and the associated metadata to a memory of the mobile device.