1. A method for using a camera on a mobile device to display brand information, comprising: receiving a request for brand-related information; obtaining an annotated map comprising physical characteristics and wireless signal parameter information; measuring wireless signal parameters; determining a rough location based at least in part on the measured wireless signal parameters and the annotated map; receiving a reference image feature data table based on the rough location of the mobile device, wherein the reference image feature data table includes a collection of entity records and wherein each entity record includes a plurality of logo image feature fields; obtaining an image including a displayed logo; utilizing an image recognition process and the reference image feature data table on the image to determine a recognized logo; and displaying brand information based on the recognized logo.