Visual inspection device and method for inspecting freshness of poultry eggs

Visual inspection device and method for inspecting freshness of poultry eggs

The invention discloses a visual inspection device and method for inspecting freshness of poultry eggs, and relates to the technical field of poultry egg processing and grading. The device is characterized in that a light source is arranged under a conveyor belt, a dark box is arranged over the conv...

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Hauptverfasser: LU XI, WANG QIAOHUA, WANG CAIYUN, MA MEIHU, DUAN YUFEI
Format: Patent
Sprache:eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator LU XI
WANG QIAOHUA
WANG CAIYUN
MA MEIHU
DUAN YUFEI
description The invention discloses a visual inspection device and method for inspecting freshness of poultry eggs, and relates to the technical field of poultry egg processing and grading. The device is characterized in that a light source is arranged under a conveyor belt, a dark box is arranged over the conveyor belt, and the top center of the dark box is provided with an industrial camera; the light source irradiates the poultry eggs placed on the conveyor belt through a gap of the conveyor belt, and the industrial camera is connected with a computer through a data line. The method comprises the following steps: (1) capturing a poultry egg image; (2) preprocessing the poultry egg image; (3) extracting the ratio of air chamber area to whole egg area, and taking the ratio as a characteristic parameter; (4) extracting other characteristic parameters; (5) establishing a model; and (6) distinguishing freshness. The device and the method inspect freshness through machine vision, are not captious to application environments, and have good application and promotion foreground; a method never used before is used for extraction of air chamber area, and works well; an SVM (Support Vector Machine) is used for grading, and accuracy is high; and the device and the method are efficient and highly intelligent, and can realize nondestructive inspection.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Visual inspection device and method for inspecting freshness of poultry eggs
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