WO2010074572A1 - Procédé et appareil permettant de classer des oeufs - Google Patents

Procédé et appareil permettant de classer des oeufs Download PDF

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Publication number
WO2010074572A1
WO2010074572A1 PCT/NL2009/050796 NL2009050796W WO2010074572A1 WO 2010074572 A1 WO2010074572 A1 WO 2010074572A1 NL 2009050796 W NL2009050796 W NL 2009050796W WO 2010074572 A1 WO2010074572 A1 WO 2010074572A1
Authority
WO
WIPO (PCT)
Prior art keywords
egg
eggs
image
parts
processing
Prior art date
Application number
PCT/NL2009/050796
Other languages
English (en)
Inventor
Josse De Baerdemaeker
Bart De Ketelaere
Michiel Woittiez
Martine Wevers
Greetje Kerckhofs
Marjo De Krijger
Original Assignee
Fps Food Processing Systems B.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fps Food Processing Systems B.V. filed Critical Fps Food Processing Systems B.V.
Publication of WO2010074572A1 publication Critical patent/WO2010074572A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food
    • G01N33/08—Eggs, e.g. by candling
    • G01N33/085—Eggs, e.g. by candling by candling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph

Definitions

  • the present invention relates to a method and apparatus for classifying eggs.
  • a method of this type is known, for example from JP2000-266695.
  • it is described in what way the presence of eggshell residues on and in boiled eggs can be established using X-rays.
  • the eggs are passed along two radiation sources, transmission images are made, the images are analyzed, and the possible presence of an eggshell residue is established.
  • the eggs can be sorted.
  • the candling of eggs is weD known in the technology of sorting and packaging eggs, in particular the candling of shell eggs.
  • the eggs are passed through a chamber, protected to some extent from outside incident light, where the eggs are illuminated from below, so that particularly cracks in these eggs can be visually observed.
  • the observer i.e., an operator of such a sorting machine and typically called candler, either marks such eggs for them to be removed from the stream later on, or picks them up directly from the egg stream by hand and puts them aside.
  • Such a candling process is often automated, as described in, for example, EP330260.
  • research efforts are directed towards modes of handling the products, e.g.
  • the present invention provides a method for classifying eggs, which eggs each possess different parts, namely an eggshell, egg fluid and an air cell, the method comprising: - candling each egg to obtain at least one image of the egg, such that the different egg parts are distinguishable in the image; and
  • the invention can comprise exposure to very short wave electromagnetic radiation (in particular X-rays).
  • the method comprises candling the egg in different positions of the egg, to obtain different images of the egg, wherein the different images are processed to classify the egg, wherein the egg is preferably candled in at least three different positions.
  • the method preferably comprises rotating each egg with respect to a candling radiation source.
  • the at least one image can be processed to determine surfaces of the egg parts, for the purpose of egg classification. Further, it is particularly advantageous when the volume of the air cell of the egg is determined by processing the at least one image, for example, to classify the egg by age.
  • the volume of the egg fluid of the egg may be determined by processing the at least one image.
  • the at least one image is processed utilizing reference values, such that therewith the masses of each of the egg parts of the egg are determined.
  • the mass of the egg is determined by processing the at least one image, in particular by determining the masses of each of the egg parts (for example, by determining the mSass of the shell as well as the mass of the egg fluid, and utilizing associated reference values). Further, it is found that the mass of the egg can be used to determine the strength of the eggshell.
  • the method for classifying eggs comprises: - exposing the eggs to electromagnetic radiation having a wavelength of at most 5 nm and therewith candling the eggs,
  • transitions and/or the features derived therefrom concern the eggshell; that the transitions and/or the features derived therefrom concern the air cell; . ' l ⁇ i-.j. . .
  • the eggs are classified by their mass; that the eggs are classified by their age; that the eggs are classified by their eggshell strength; that the electromagnetic radiation comprises substantially x-ray radiation of the line spectrum type; that the electromagnetic radiation comprises substantially x-ray radiation of the continuous spectrum type; that the electromagnetic radiation comprises x-ray radiation of both the continuous spectrum and of the line spectrum type; that during candling of the eggs at least a single image of a single well-defined side is recorded; that the eggs, when recording images through candling, are rotated about a well-defined axis; and that the eggs lie on rotating rollers of an egg sorting machine.
  • the present invention concerns a method for sorting eggs wherein the eggs are classified with a method provided by the invention.
  • the present invention furthermore relates to an apparatus for classifying eggs, comprising:
  • - candling means for generating at least one image of each egg, such that different egg parts are distinguishable in the image; and - processing means for processing the at least one image to classify the egg.
  • the candling means comprise an X-ray source and a camera.
  • the apparatus is preferably provided with means of rotating the eggs, to obtain different images at different egg orientations of each egg.
  • Such means may comprise, for example, rollers of an egg conveyor.
  • An example of an apparatus for classifying eggs comprises:
  • -an X-ray radiation source for exposing the eggs to X-ray radiation having a wavelength of at most 5 nm and therewith candling the eggs
  • -a camera system with at least a single camera for recording images of the eggs that are obtained from differences in intensity of radiation transmitted by the eggs during candling
  • -a processing unit for processing these images, wherein at least transitions and/or features derived therefrom in mainly density are established, wherein the eggs are classified on the basis of at least the transitions and/or derived features.
  • the apparatus has the feature, that images are obtained of eggs in different positions of the eggs with respect to the X-ray radiation source; and that the eggs are rotated.
  • the present invention relates to a sorting apparatus for eggs that includes an apparatus for classifying eggs as mentioned and described above.
  • the sorting apparatus is then preferably provided with an endless conveyor with rollers to carry (and, for example, rotate) the eggs.
  • Figure 1 shows a diagram of an exemplary embodiment of an apparatus according to the present invention
  • Figure 2 shows an image of an egg that has been recorded using the method according to the present invention.
  • Fig. 1 shows an example of an apparatus for classifying eggs E, which eggs each possess different parts 10, 20, 30, viz, an eggshell 10, egg fluid 20 and an air cell 30 (the egg parts are visible in the image shown in Fig. 2).
  • the apparatus comprises candling means 1, 4, 5 to generate (by means of egg candling) at least one image of each egg E, such that different egg parts 10, 20, 30 are distinguishable in the image.
  • the apparatus is provided with processing means 6 for processing the at least one image to classify the egg E.
  • the candling means comprise an X-ray radiation source 1 (for example, with a radiation beam modulator 2) to generate radiation X, and a camera 4 to generate the at least one image.
  • the apparatus can carry out a method for classifying eggs, the method comprising: candling each egg to obtain at least one image of the egg, such that the different egg parts are distinguishable in the image; the method further comprising: processing the at least one image to classify the egg.
  • a method for classifying eggs comprising: candling each egg to obtain at least one image of the egg, such that the different egg parts are distinguishable in the image; the method further comprising: processing the at least one image to classify the egg.
  • X-ray radiation X (for example, a beam) coming from a source 1 with radiation beam modulator 2 is incident on an egg E placed in a holder 3.
  • a signal processing unit 6 On a screen 5 of a camera 4 having therein a signal processing unit 6, the radiation transmitted by the egg is captured and processed, respectively.
  • the source and each camera may be designed in different ways. The same holds for the processing unit 6.
  • Such a radiation beam modulator 2 can modulate the beam in multiple ways, where corresponding modulation units well known in the art will be used. Such modulation can relate to the wavelength to be chosen, the beam width and/or beam angle to be chosen, as well as the signal shape to be chosen.
  • the wavelength when a well-defined wavelength value is chosen, use will be made of monochromators used in this technology, more particularly solid state devices.
  • so-called beam hardening familiar to those skilled in the art, will be used, i.e., the source is screened off by, for example, a small plate of a well-defined metal, that transmits a corresponding part of the resultant spectrum.
  • the desired types of diaphragms may be used.
  • time-exposures are made to bring out the density differences sufficiently clearly.
  • use may be made of time -varying beams, or even time- interrupted beams, for example, to be able to monitor differences between the recordings.
  • Fig. 2 there is shown an image or recording of an egg exposed to X-ray radiation, with the egg E, as indicated in Fig. 1, placed vertically in a holder 3.
  • the egg E is rotated in steps of 5°.
  • durations of exposure referred to here as exposure times, between 30 and 90 ms were used.
  • the total experiment lasted about 10 minutes.
  • the base on which the egg E rests is manufactured from material that is substantially transparent to such X-ray radiation, for example, rubber or polystyrene foam.
  • the X-ray radiation source used was a Philips HOMX 161 device, with acceleration voltages for the electrons between, approximately, 1 and 90 kV, at a current of 0.39 rnA, with the source being designated as reflection source with continuous spectrum.
  • the thus obtained beam is filtered by a small plate from aluminum, with an intensity peak around an energy of 10 keV being obtained.
  • the corresponding wavelength range in this experiment runs approximately from 0.02 to 2 nm.
  • this image has been obtained with a CCD camera, of the type Adimec MX12P, with a resolution of 1024 by 1024 pixels on a surface of 182 mm square.
  • the surfaces of the egg parts on the ⁇ iinage could be determined.
  • the mass of the egg was composed from the masses of constituent parts. It is noted that the terms mass and weight are interchangeable in this connection.
  • the magnitude of the air cell is a measure of the age of the egg, and hence of the quality of the egg.
  • the strength of the eggshell can be determined.
  • a next quality parameter besides age is determined.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Food Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Sorting Of Articles (AREA)

Abstract

L'invention concerne un procédé permettant de classer des œufs qui possèdent chacun différentes parties (10, 20, 30), à savoir une coquille (10), du liquide (20) et une chambre à air (30), le procédé comportant les étapes consistant à : - mirer chaque œuf (E) pour obtenir au moins une image de l'œuf (E), de sorte que l'on peut distinguer les différentes parties (10, 20, 30) de l'œuf sur l'image; et - traiter ladite image pour classer l'œuf (E).
PCT/NL2009/050796 2008-12-23 2009-12-23 Procédé et appareil permettant de classer des oeufs WO2010074572A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08022372.0 2008-12-23
EP08022372 2008-12-23

Publications (1)

Publication Number Publication Date
WO2010074572A1 true WO2010074572A1 (fr) 2010-07-01

Family

ID=41846685

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2009/050796 WO2010074572A1 (fr) 2008-12-23 2009-12-23 Procédé et appareil permettant de classer des oeufs

Country Status (1)

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WO (1) WO2010074572A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014016826A1 (fr) * 2012-07-25 2014-01-30 Eggnology Ltd Oeuf brouillé en coquille et son procédé de préparation et dispositif pour brouiller un œuf en coquille
CN104622325A (zh) * 2013-11-13 2015-05-20 蛋识有限公司 改进的壳内搅蛋器
CN104737013A (zh) * 2012-09-04 2015-06-24 天主教鲁汶大学 用于检查蛋的方法和装置
JP7407189B2 (ja) 2019-06-28 2023-12-28 四国計測工業株式会社 検卵装置、検卵プログラム、および検卵方法
WO2024085757A1 (fr) 2022-10-19 2024-04-25 Moba Group B.V. Procédé et système de traitement d'une pluralité d'œufs aviaires

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330260A1 (fr) 1988-02-15 1989-08-30 Staalkat B.V. Procédé et dispositif de tri et d'éjection d'articles
WO1991007084A1 (fr) * 1989-11-10 1991-05-30 Ovascan Pty. Limited Procede et dispositif de triage pour les ×ufs
US5504572A (en) * 1994-06-28 1996-04-02 Taylor; Mark A. Electronic imaging apparatus for determining the presence of structure within opaque objects and methods of making the same
JP2000266695A (ja) 1999-03-16 2000-09-29 Shimadzu Corp ゆで卵検査装置
US6149956A (en) * 1997-07-07 2000-11-21 Stichting Instituut Voor Dierhouderij En Diergezondheid Method for selecting eggs
EP1062485A1 (fr) 1998-03-13 2000-12-27 FPS Food Processing Systems B.V. Appareil de pesee
NL1018940C1 (nl) 2000-09-12 2002-03-13 Food Processing Systems Werkwijze en inrichting voor het onderzoeken van eieren.
EP1238582A2 (fr) 2001-03-05 2002-09-11 FPS Food Processing Systems B.V. Procédé et dispositif de détermination des caractéristiques vibratoires des corps vibrants tel que des oeufs
JP2006136273A (ja) * 2004-11-15 2006-06-01 Jin Trade Co Ltd ダチョウの養殖システム
EP1856971A2 (fr) 2006-05-15 2007-11-21 Big Dutchman International GmbH Capteur de comptage des oeufs
EP1871670A2 (fr) 2005-02-17 2008-01-02 FPS Food Processing Systems B.V. Dispositif destine au transfert de produits

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330260A1 (fr) 1988-02-15 1989-08-30 Staalkat B.V. Procédé et dispositif de tri et d'éjection d'articles
WO1991007084A1 (fr) * 1989-11-10 1991-05-30 Ovascan Pty. Limited Procede et dispositif de triage pour les ×ufs
US5504572A (en) * 1994-06-28 1996-04-02 Taylor; Mark A. Electronic imaging apparatus for determining the presence of structure within opaque objects and methods of making the same
US6149956A (en) * 1997-07-07 2000-11-21 Stichting Instituut Voor Dierhouderij En Diergezondheid Method for selecting eggs
EP1062485A1 (fr) 1998-03-13 2000-12-27 FPS Food Processing Systems B.V. Appareil de pesee
JP2000266695A (ja) 1999-03-16 2000-09-29 Shimadzu Corp ゆで卵検査装置
NL1018940C1 (nl) 2000-09-12 2002-03-13 Food Processing Systems Werkwijze en inrichting voor het onderzoeken van eieren.
EP1238582A2 (fr) 2001-03-05 2002-09-11 FPS Food Processing Systems B.V. Procédé et dispositif de détermination des caractéristiques vibratoires des corps vibrants tel que des oeufs
JP2006136273A (ja) * 2004-11-15 2006-06-01 Jin Trade Co Ltd ダチョウの養殖システム
EP1871670A2 (fr) 2005-02-17 2008-01-02 FPS Food Processing Systems B.V. Dispositif destine au transfert de produits
EP1856971A2 (fr) 2006-05-15 2007-11-21 Big Dutchman International GmbH Capteur de comptage des oeufs

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014016826A1 (fr) * 2012-07-25 2014-01-30 Eggnology Ltd Oeuf brouillé en coquille et son procédé de préparation et dispositif pour brouiller un œuf en coquille
CN103565306A (zh) * 2012-07-25 2014-02-12 蛋识有限公司 壳内搅混蛋、制备/加工这种蛋的方法、及壳内混蛋器
CN104737013A (zh) * 2012-09-04 2015-06-24 天主教鲁汶大学 用于检查蛋的方法和装置
CN104622325A (zh) * 2013-11-13 2015-05-20 蛋识有限公司 改进的壳内搅蛋器
WO2015071896A1 (fr) * 2013-11-13 2015-05-21 Egglogix Ltd Dispositif amélioré de préparation d'oeufs brouillés dans la coquille
JP7407189B2 (ja) 2019-06-28 2023-12-28 四国計測工業株式会社 検卵装置、検卵プログラム、および検卵方法
WO2024085757A1 (fr) 2022-10-19 2024-04-25 Moba Group B.V. Procédé et système de traitement d'une pluralité d'œufs aviaires
NL2033355B1 (en) 2022-10-19 2024-05-06 Moba Group Bv Method and system for processing a plurality of avian eggs

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