The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 17, 2025
Filed:
Jun. 13, 2022
Tianjin Chengjian University, Tianjin, CN;
Xi'an University of Architecture and Technology, Xi'an, CN;
Bin Yang, Tianjin, CN;
Xiaojing Li, Tianjin, CN;
Huangcheng Yao, Tianjin, CN;
Yihang Liu, Tianjin, CN;
Lingge Chen, Tianjin, CN;
TIANJIN CHENGJIAN UNIVERSITY, Tianjin, CN;
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY, Xi'An, CN;
Abstract
A control system and a control method of refrigeration in a closed space based on computer vision are provided. An image of a food, temperature and humidity information in the closed space are collected, and a type of the food is identified according to the image. The image is processed through Euler video amplification when food is not packaged to obtain surface color distribution information of the food, a state of the food is determined according to the surface color distribution information and a historical learning result, and a state prompt corresponding to the state of the food is provided to a user. Temperature and humidity in the closed space are regulated according to the state of the food. The state of the food is determined according to storage time and a known quality guarantee period when the food is packaged, and another state prompt is provided to the user.