1. A retail store promotional price tag (PPT) detection and classification system comprising: a store shelf image acquisition module configured to acquire images of a plurality of product display units located in a retail store, the plurality of product display units including a plurality of products arranged on one or more of the product display fixtures, and a plurality of PPTs attached to the product display fixtures, each PPT including one or more printed colors and product-related data including a barcode associated with a respective product proximately located on the product display fixture near the PPT; a device characterization module configured to generate one or more color profiles associated with transforming a plurality of colors associated with the acquired image of the printed PPTs from an image acquisition color space to an original color space associated with a digital representation of the PPTs; a PPT detection and classifier module configured to extract one or more heuristic attributes including color from the acquired images using the one or more color profiles and apply one or more predefined heuristic rules to the heuristic attributes to detect and classify each PPT detected in the acquired images as one of a plurality of PPT types; a mobile base including an operatively associated navigation component configured to determine a location of the mobile base within the retail store; an image capture assembly mounted on the mobile base, the assembly including a plurality of image capture devices for acquiring the images of the plurality of product display units; and a master control unit configured to execute control unit instructions for processing the images of the plurality of product display units at a sequence of locations during a movement of the mobile base in the retail store and thereafter generating a store profile indicating locations of the products and/or PPTs throughout the retail store.