公开(公告)号：US11900584B1

公开(公告)日：2024-02-13

申请号：US18459385

申请日：2023-08-31

Applicant: SHANDONG UNIVERSITY OF TECHNOLOGY

Inventor： Lanlan Zhu ,  Xudong Wu ,  Xiuting Wei ,  Qingxiang Zhang ,  Hengjia Ni ,  Ruining Kang ,  Lei Liu

IPC: G06T7/00 ,  G06T7/11 ,  G06T7/136 ,  G06V40/18 ,  G06V20/68 ,  G06T7/12

CPC classification number: G06T7/0004 ,  G06T7/11 ,  G06T7/12 ,  G06T7/136 ,  G06V20/68 ,  G06V40/18 ,  G06T2207/30128

Abstract: A method for judging freshness of cultured fish product based on eye image recognition is provided, which relates to the field of image processing and includes the following steps: obtaining eye area and eye center point of each cultured fish product; obtaining a first data category and a second data category of each gray scale change sequence according to each gray scale change sequence of each eye area; calculating a first mean value and a second mean value of each gray scale change sequence; obtaining the fish eye turbidity of each eye area according to the first mean value and the second mean value; obtaining the fish eye plumpness of each eye area according to the first data category and the second data category; and obtaining the freshness of each cultured fish product according to the fish eye turbidity and fish eye plumpness in each eye area.