US 12,241,680 B2
Inventory management system in a refrigerator appliance
Michael Goodman Schroeder, Louisville, KY (US)
Assigned to Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed by Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed on Sep. 8, 2021, as Appl. No. 17/469,376.
Prior Publication US 2023/0076984 A1, Mar. 9, 2023
Int. Cl. F25D 29/00 (2006.01); G06V 20/52 (2022.01); G06V 20/68 (2022.01)
CPC F25D 29/00 (2013.01) [G06V 20/52 (2022.01); F25D 2500/06 (2013.01); G06V 20/68 (2022.01)] 17 Claims
OG exemplary drawing
 
1. A refrigerator appliance comprising:
a cabinet defining a chilled chamber, wherein the chilled chamber is divided into a plurality of spatial zones;
a door being rotatably hinged to the cabinet to provide selective access to the chilled chamber;
a camera assembly for monitoring the chilled chamber; and
a controller operably coupled to the camera assembly, the controller being configured to:
obtain an image using the camera assembly;
analyze the image to identify an object being added to or removed from the chilled chamber and a raw confidence score associated with the object that was identified;
determine that the raw confidence score falls below a high confidence threshold;
obtain an adjusted confidence score associated with the object based at least in part on the raw confidence score and historical inventory data, where obtaining the adjusted confidence score based at least in part on the raw confidence score and the historical inventory data comprises identify a spatial zone within the chilled chamber where the object was added or removed, determining that a food type of the object is identical to a common food type stored in the spatial zone, and increasing the raw confidence score to the adjusted confidence score;
determine that the adjusted confidence score exceeds the high confidence threshold; and
modify an inventory list in response to determining that the adjusted confidence score exceeds the high confidence threshold.