PL4220141T3 - Sposób i urządzenie do analizy optycznej owoców lub warzyw oraz urządzenie do sortowania automatycznego - Google Patents

Sposób i urządzenie do analizy optycznej owoców lub warzyw oraz urządzenie do sortowania automatycznego

Info

Publication number
PL4220141T3
PL4220141T3 PL22184795.7T PL22184795T PL4220141T3 PL 4220141 T3 PL4220141 T3 PL 4220141T3 PL 22184795 T PL22184795 T PL 22184795T PL 4220141 T3 PL4220141 T3 PL 4220141T3
Authority
PL
Poland
Prior art keywords
fruits
vegetables
automatic sorting
optical analysis
sorting
Prior art date
Application number
PL22184795.7T
Other languages
English (en)
Inventor
Philippe Blanc
Original Assignee
Maf Agrobotic
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=58501746&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL4220141(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maf Agrobotic filed Critical Maf Agrobotic
Publication of PL4220141T3 publication Critical patent/PL4220141T3/pl

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02Food
    • G01N33/025Fruits or vegetables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting 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
    • B07C5/34Sorting according to other particular properties
    • B07C5/342Sorting according to other particular properties according to optical properties, e.g. colour
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/85Investigating moving fluids or granular solids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8806Specially adapted optical and illumination features
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C2501/00Sorting according to a characteristic or feature of the articles or material to be sorted
    • B07C2501/009Sorting of fruit
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N2021/8466Investigation of vegetal material, e.g. leaves, plants, fruits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8806Specially adapted optical and illumination features
    • G01N2021/8812Diffuse illumination, e.g. "sky"
    • G01N2021/8816Diffuse illumination, e.g. "sky" by using multiple sources, e.g. LEDs
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8806Specially adapted optical and illumination features
    • G01N2021/8835Adjustable illumination, e.g. software adjustable screen

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Sorting Of Articles (AREA)
PL22184795.7T 2017-03-01 2018-01-30 Sposób i urządzenie do analizy optycznej owoców lub warzyw oraz urządzenie do sortowania automatycznego PL4220141T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1751683A FR3063542B1 (fr) 2017-03-01 2017-03-01 Procede et dispositif d'analyse optique de fruits ou legumes et dispositif de tri automatique

Publications (1)

Publication Number Publication Date
PL4220141T3 true PL4220141T3 (pl) 2025-09-08

Family

ID=58501746

Family Applications (2)

Application Number Title Priority Date Filing Date
PL18705439.0T PL3589939T3 (pl) 2017-03-01 2018-01-30 Sposób i urządzenie do analizy optycznej owoców lub warzyw oraz urządzenie do sortowania automatycznego
PL22184795.7T PL4220141T3 (pl) 2017-03-01 2018-01-30 Sposób i urządzenie do analizy optycznej owoców lub warzyw oraz urządzenie do sortowania automatycznego

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL18705439.0T PL3589939T3 (pl) 2017-03-01 2018-01-30 Sposób i urządzenie do analizy optycznej owoców lub warzyw oraz urządzenie do sortowania automatycznego

Country Status (22)

Country Link
US (1) US10288594B2 (pl)
EP (2) EP4220141B1 (pl)
CN (1) CN110383049A (pl)
AR (1) AR111321A1 (pl)
AU (3) AU2018226589B2 (pl)
CA (1) CA3053662A1 (pl)
CL (1) CL2019002488A1 (pl)
ES (2) ES2928870T3 (pl)
FR (1) FR3063542B1 (pl)
HR (1) HRP20221270T1 (pl)
HU (1) HUE060141T2 (pl)
IL (1) IL268772B2 (pl)
MA (1) MA47674B1 (pl)
MX (1) MX2019010284A (pl)
NZ (1) NZ757412A (pl)
PE (1) PE20191333A1 (pl)
PL (2) PL3589939T3 (pl)
PT (2) PT4220141T (pl)
RS (1) RS63664B1 (pl)
RU (1) RU2750086C2 (pl)
WO (1) WO2018158514A1 (pl)
ZA (1) ZA201905582B (pl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3263233A1 (en) * 2016-06-28 2018-01-03 Buhler Sortex Ltd. Illumination devices
NL2017235B1 (nl) * 2016-07-25 2018-01-31 De Greefs Wagen Carrosserie En Machb B V Meetinrichting voor het multispectraal meten van kwaliteitskenmerken of defecten van producten en werkwijze daarvoor
FR3063542B1 (fr) 2017-03-01 2024-08-09 Maf Agrobotic Procede et dispositif d'analyse optique de fruits ou legumes et dispositif de tri automatique
AU2019386256B2 (en) * 2018-11-27 2024-12-19 Suez International Method for separating and classifying waste, in particular packaging
JP2020101408A (ja) * 2018-12-20 2020-07-02 株式会社クボタ 解析装置及び解析システム
US11198529B2 (en) * 2019-04-01 2021-12-14 Harvest Croo, Llc Apparatus and method for filling a container with fragile fruit
IT201900005536A1 (it) * 2019-04-10 2020-10-10 Doss Visual Solution S R L Metodo di acquisizione immagini per una macchina di ispezione ottica
US12188916B2 (en) * 2019-07-15 2025-01-07 Clarifruit Ltd. Means and methods for scoring vegetables and fruits
CN110927073A (zh) * 2019-11-06 2020-03-27 广东弓叶科技有限公司 多光谱成像方法、电子装置及存储介质
CZ308783B6 (cs) * 2020-08-05 2021-05-12 Rieter Cz S.R.O. Zařízení pro hodnocení nečistot ve vlákenném materiálu
CN111982835A (zh) * 2020-08-17 2020-11-24 吉林求是光谱数据科技有限公司 一种基于硅基多光谱芯片的水果糖度无损检测装置及方法
NL2026483B1 (nl) * 2020-09-16 2022-05-16 De Greefs Wagen Carrosserie En Machb B V Meetinrichting voor het meten van stevigheid van producten, zoals fruit en groenten, sorteersysteem voorzien daarvan, en werkwijze daarvoor
IT202000022354A1 (it) * 2020-09-22 2022-03-22 Biometic S R L Metodo e apparecchiatura per eseguire un esame iperspettrale della superficie esterna di prodotti vegetali
EP3982113A1 (en) 2020-10-06 2022-04-13 Sens-Tech Ltd. Method and apparatus for inspection of a subject article
TR2021016228U5 (tr) 2020-10-21 2022-05-23 3U Vision Srl Ayırma Makinesi
CN112198125B (zh) * 2020-10-27 2025-01-14 江南大学 一种基于红外增效的多功能果蔬切割检测系统及方法
US12372461B2 (en) * 2020-11-27 2025-07-29 Kabushiki Kaisha N-Tech Imaging device, inspection device, and imaging method
WO2022150742A1 (en) 2021-01-11 2022-07-14 Durand-Wayland, Inc. Produce sorting and weighing systems and methods
DE102021211548A1 (de) 2021-08-20 2023-02-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein System und Verfahren zur automatischen Qualitätsprüfung von Obst und Gemüse und anderen Lebensmitteln
EP4137813A1 (de) 2021-08-20 2023-02-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. System und verfahren zur automatischen qualitätsprüfung von obst und gemüse und anderen lebensmitteln
CN113777063A (zh) * 2021-09-07 2021-12-10 福州大学 一种果蔬农残快速实时检测多光谱探测系统及其使用方法
TWI823750B (zh) * 2023-01-11 2023-11-21 訊力科技股份有限公司 自動化水果選別方法
US11887351B1 (en) 2023-07-26 2024-01-30 Timea IGNAT System and method for hyperspectral image-based quality control analysis of crop loads

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520702A (en) 1982-06-14 1985-06-04 Key Technology, Inc. Inspection and cutting apparatus
US4726898A (en) 1982-09-30 1988-02-23 Pennwalt Corporation Apparatus for spinning fruit for sorting thereof
US5164795A (en) 1990-03-23 1992-11-17 Sunkist Growers, Inc. Method and apparatus for grading fruit
FR2716874B1 (fr) 1994-03-03 1996-06-21 Materiel Arboriculture Dispositif de convoyage de produits, notamment de fruits, adapté pour effectuer un triage desdits produits en fonction de critères de sélection prédéterminés.
FR2773220B1 (fr) 1997-12-30 2001-07-27 Compucal Dispositif d'analyse colorimetrique d'objets tels que des fruits ou legumes
US6600829B1 (en) 1998-02-20 2003-07-29 Sunkist Growers Inc. Computer process for controlling a system for sorting objects by surface characteristics
US6410872B2 (en) * 1999-03-26 2002-06-25 Key Technology, Inc. Agricultural article inspection apparatus and method employing spectral manipulation to enhance detection contrast ratio
FR2795499B1 (fr) 1999-06-28 2001-09-28 Materiel Arboriculture Procede et dispositif d'analyse en vue du tri automatique de produits tels que des fruits
WO2003023455A1 (en) 2001-09-13 2003-03-20 Anzpac Systems Limited Method and apparatus for article inspection
EP1445099A1 (en) 2003-02-10 2004-08-11 Kba-Giori S.A. Sensor
US7173708B2 (en) 2003-12-05 2007-02-06 Sunkist Growers Inc. Method and apparatus for detecting damage in plant products
CN2733343Y (zh) * 2004-05-12 2005-10-12 严衍禄 果蔬类农产品内部非破坏性整体分析装置
FR2874424B1 (fr) * 2004-08-17 2007-05-11 Materiel Arboriculture Dispositif d'analyse optique de produits tels que des fruits a eclairage indirect
US7460160B2 (en) 2004-09-24 2008-12-02 Microsoft Corporation Multispectral digital camera employing both visible light and non-visible light sensing on a single image sensor
WO2006058406A1 (en) 2004-12-02 2006-06-08 N. M. Bartlett Inc. Systems and methods for defect sorting of produce
US8054458B2 (en) * 2006-03-21 2011-11-08 Baker Roger C Optical device for detecting live insect infestation
ES2324324B9 (es) 2007-02-27 2019-03-12 Roda Iberica S L U Sistema para la separacion selectiva automatica de citricos afectadospor podredumbre
CN101059452A (zh) * 2007-05-29 2007-10-24 浙江大学 基于多光谱成像技术的水果品质无损检测方法与系统
AT505671B1 (de) 2008-05-13 2009-03-15 Evk Di Kerschhaggl Gmbh Verfahren zum optischen detektieren von bewegten objekten
KR20090120159A (ko) 2008-05-19 2009-11-24 삼성전자주식회사 영상합성장치 및 영상합성방법
US8618508B2 (en) * 2008-09-25 2013-12-31 Koninklijke Philips N.V. Detection system and method
WO2010052593A1 (en) 2008-11-04 2010-05-14 Ecole Polytechnique Federale De Lausanne (Epfl) Camera design for the simultaneous capture of near-infrared and visible images
CN101832941B (zh) 2010-03-19 2013-03-13 天津大学 一种基于多光谱图像的水果品质评价装置
JP5721195B2 (ja) * 2011-02-28 2015-05-20 国立大学法人 香川大学 光学特性測定装置及び光学特性測定方法
FR2985025B1 (fr) * 2011-12-23 2014-12-12 Maf Agrobotic Dispositif et procede de detection non destructive de defauts dans des fruits et legumes
WO2013181558A1 (en) * 2012-06-01 2013-12-05 Agerpoint, Inc. Systems and methods for monitoring agricultural products
WO2015063299A1 (en) * 2013-11-01 2015-05-07 Tomra Sorting Nv Method and apparatus for detecting matter
US9513270B2 (en) * 2013-11-18 2016-12-06 Zoetis Services Llc Non-contact egg identification system for determining egg viability using transmission spectroscopy, and associated method
US9551616B2 (en) 2014-06-18 2017-01-24 Innopix, Inc. Spectral imaging system for remote and noninvasive detection of target substances using spectral filter arrays and image capture arrays
WO2016018157A1 (en) * 2014-07-31 2016-02-04 Compac Technologies Limited Article sorting system with synchronised lane detection
US10113910B2 (en) 2014-08-26 2018-10-30 Digimarc Corporation Sensor-synchronized spectrally-structured-light imaging
TWI536831B (zh) 2014-09-03 2016-06-01 聯詠科技股份有限公司 彩色濾波陣列及其影像接收方法
EP3201310B1 (en) * 2014-10-01 2021-02-17 Purdue Research Foundation Microorganism identification
AU2016242468B2 (en) 2015-03-31 2020-12-10 Nanopix Integrated Software Solutions Private Limited A novel color based optical grading system with multi reflectance and multi-angle views
WO2016163896A1 (en) 2015-04-09 2016-10-13 Compac Technologies Limited Article conveying system with diffuse illumination
US10306156B2 (en) * 2015-11-30 2019-05-28 Photopotech LLC Image-capture device
NL2017235B1 (nl) 2016-07-25 2018-01-31 De Greefs Wagen Carrosserie En Machb B V Meetinrichting voor het multispectraal meten van kwaliteitskenmerken of defecten van producten en werkwijze daarvoor
FR3063542B1 (fr) 2017-03-01 2024-08-09 Maf Agrobotic Procede et dispositif d'analyse optique de fruits ou legumes et dispositif de tri automatique

Also Published As

Publication number Publication date
PT3589939T (pt) 2022-10-17
RU2750086C2 (ru) 2021-06-22
EP4220141B1 (fr) 2025-03-26
RS63664B1 (sr) 2022-11-30
AR111321A1 (es) 2019-07-03
HUE060141T2 (hu) 2023-01-28
PE20191333A1 (es) 2019-09-25
NZ757412A (en) 2020-12-18
EP4220141A3 (fr) 2023-08-16
AU2018226589A1 (en) 2019-10-10
WO2018158514A1 (fr) 2018-09-07
EP4220141A2 (fr) 2023-08-02
US10288594B2 (en) 2019-05-14
MA47674B1 (fr) 2022-10-31
MX2019010284A (es) 2019-12-19
US20180252691A1 (en) 2018-09-06
AU2023203123A1 (en) 2023-06-08
CA3053662A1 (fr) 2018-09-07
EP3589939A1 (fr) 2020-01-08
RU2019129450A3 (pl) 2021-04-20
FR3063542B1 (fr) 2024-08-09
RU2019129450A (ru) 2021-04-01
ES3033633T3 (en) 2025-08-06
IL268772B1 (en) 2024-12-01
BR112019017079A2 (pt) 2020-04-28
PT4220141T (pt) 2025-07-01
IL268772A (en) 2019-10-31
MA47674A (fr) 2020-01-08
EP3589939B1 (fr) 2022-07-27
CN110383049A (zh) 2019-10-25
IL268772B2 (en) 2025-04-01
PL3589939T3 (pl) 2022-11-07
FR3063542A1 (fr) 2018-09-07
ZA201905582B (en) 2020-05-27
HRP20221270T1 (hr) 2022-12-23
AU2018226589B2 (en) 2023-03-16
ES2928870T3 (es) 2022-11-23
AU2025204891A1 (en) 2025-07-17
CL2019002488A1 (es) 2020-02-07

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