Fuente: WIPO "tomato" A refrigerator includes: a body including a storage chamber; a door including a door bin; a camera, arrangeable in the body, to photograph an inside of the body and an inside of the door; a memory; and a processor which obtains an image of at least a portion of the inside of the body and at least a portion of the door that is captured through the camera based on a trigger signal, detects a food object in the image, tracks the food object and identifies whether the food object is put in or taken out of the refrigerator, acquires feature information corresponding to the food object by inputting the image to a trained neural network model based on the food object being identified as being put in, and matches the image and the acquired feature information and stores the image and the acquired feature information in a food database.