US 11,758,091 B2
Food monitoring apparatus, refrigerator including the same, and operating method thereof
Suyeon Lee, Seoul (KR); Jeongsu Han, Hwaseong-si (KR); Unjeong Kim, Osan-si (KR); Hyungbin Son, Seoul (KR); and Junhoe Choi, Hwaseong-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR); and CHUNG ANG University Industry Academic Cooperation Foundation, Seoul (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR); and CHUNG ANG University Industry Academic Cooperation Foundation, Seoul (KR)
Filed on Jul. 2, 2021, as Appl. No. 17/366,695.
Claims priority of application No. 10-2020-0173505 (KR), filed on Dec. 11, 2020.
Prior Publication US 2022/0191432 A1, Jun. 16, 2022
Int. Cl. F25D 27/00 (2006.01); F25D 29/00 (2006.01); G01N 33/02 (2006.01); G06T 7/00 (2017.01); H04N 7/18 (2006.01)
CPC H04N 7/18 (2013.01) [F25D 27/005 (2013.01); F25D 29/005 (2013.01); G01N 33/02 (2013.01); G06T 7/0002 (2013.01); F25D 2600/04 (2013.01); F25D 2700/06 (2013.01); G06T 2207/10152 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A food monitoring apparatus comprising:
at least one light source configured to selectively radiate light of a first wavelength band and light of a second wavelength band that is different from the first wavelength band to food;
at least one image sensor configured to obtain a visible image of the food and a hyperspectral image of the food based on light scattered, emitted, or reflected from the food; and
at least one processor configured to obtain first information of the food based on the visible image, and to obtain second information of the food based on the first information and the hyperspectral image,
wherein the at least one processor is further configured to obtain at least one parameter representing a content of an indicator material included in the food from the hyperspectral image, the indicator material emitting fluorescence based on the light radiated by the at least one light source, and
wherein the at least one processor is further configured to correct, based on the first information of the food obtained based on the visible image, a value of the at least one parameter obtained from the hyperspectral image, and obtain the second information based on the corrected value of the at least one parameter.