公开(公告)号：US11612167B2

公开(公告)日：2023-03-28

申请号：US17487860

申请日：2021-09-28

Applicant: Shandong University of Technology

Inventor： Lanlan Zhu ,  Jiahuan Li ,  Xiuting Wei ,  Zongmin Wang

IPC: A22C29/00 ,  A22C29/02

Abstract: A shrimp shell separation and cleaning device for Euphausia superba comprises a hollow main body; a screening cylinder installed rotationally inside the main body and having a bottom installed with a filter screen; a stirring assembly provided rotationally inside the main body and comprising a cylindrical cam installed inside the screening cylinder, wherein a sleeve frame is sleeved over the cylindrical cam, stirring rods are provided on the sleeve frame in an array mode and rotationally installed on the sleeve frame through driving grooves, the driving grooves run through the sleeve frame and each have one end, which penetrates through the sleeve frame, rotationally installed in one driving groove of the cylindrical cam, and the sleeve frame is arranged in self-rotating manner; a feeding port installed fixedly on communicating with the main body; and a spray head arranged fixedly inside the main body for spraying water into the screening cylinder.

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.