| CPC G06Q 30/0635 (2013.01) [G06Q 30/012 (2013.01); G06Q 30/0639 (2013.01); G06Q 30/0643 (2013.01)] | 20 Claims |

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1. A mobile computing device comprising:
a display device;
a camera;
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the mobile computing device to:
cause, responsive to a user selection of a transaction from a plurality of purchase transactions, the camera to detect that a user receipt is focused within one or more receipt guides;
cause, based on detecting that the user receipt is focused within the one or more guides, the camera to automatically capture an image that comprises at least a portion of the user receipt, wherein the user receipt is associated with the selected transaction;
process the image using one or more computer vision techniques to determine one or more line items associated with the transaction;
retrieve, from a database, merchant-received line item information associated with the transaction;
based on a discrepancy between at least one of the one or more line items and at least one of the merchant-received line item information, update, in the database, the merchant-received line item information with the one or more line items; and
output, via a user interface of the mobile computing device, an indication that the transaction has been updated with the at least one of the one or more line items.
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