A refrigeration appliance system including a camera captures images of objects entering and exiting the interior space of a refrigeration appliance and processes the images to identify the objects in the image, for example, using a trained machine learning model. The system may also process the images to determine a volume or quantity within the object. Using this determined information, the system may then create, update, or alter a log of objects within the refrigeration appliance and/or the determined volumes or quantities. The system may also provide the log and/or recommendations of items to purchase to a user.