EP3877835A1 - Dispositif et procédé pour le contrôle étalonné d'une impression d'un article - Google Patents

Dispositif et procédé pour le contrôle étalonné d'une impression d'un article

Info

Publication number
EP3877835A1
EP3877835A1 EP19797761.4A EP19797761A EP3877835A1 EP 3877835 A1 EP3877835 A1 EP 3877835A1 EP 19797761 A EP19797761 A EP 19797761A EP 3877835 A1 EP3877835 A1 EP 3877835A1
Authority
EP
European Patent Office
Prior art keywords
data
article
printing
image
designed
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP19797761.4A
Other languages
German (de)
English (en)
Inventor
Marcus Niederhöfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP3877835A1 publication Critical patent/EP3877835A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
    • G06F3/1203—Improving or facilitating administration, e.g. print management
    • G06F3/1208—Improving or facilitating administration, e.g. print management resulting in improved quality of the output result, e.g. print layout, colours, workflows, print preview
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G06T7/001—Industrial image inspection using an image reference approach
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
    • G06F3/1237—Print job management
    • G06F3/1253—Configuration of print job parameters, e.g. using UI at the client
    • G06F3/1256—User feedback, e.g. print preview, test print, proofing, pre-flight checks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
    • G06F3/1279—Controller construction, e.g. aspects of the interface hardware
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/027—Test patterns and calibration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20081—Training; Learning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30144—Printing quality

Definitions

  • the present invention relates to systems for
  • the present invention relates to a
  • optical printing process check of freely configurable articles cannot rely on databases via photographs of a standardized and quality standard printing of articles.
  • An item can often be printed on a new,
  • a first aspect of the present invention relates to a device for calibrated checking of printing on an article, the device comprising a
  • Data provision device a camera device, a database device and a computer device.
  • the data provision device is designed to provide printing data for the article from product data of the article.
  • the camera device is designed to record an image of an article printed by a printing process and to provide it as image data.
  • the article is digitized by means of an electronic image converter or image sensor and made available in the form of the image data.
  • the database device is designed to:
  • the computing device is designed to be based on a comparison of the printing data with the image data below
  • the computer device is designed to carry out automatic optical inspection processes for the correct printing of the article.
  • the present invention makes it possible, based on product data for a customer-specific product, to print the product using predicted ones
  • the present invention is based on the fact that learning data and
  • Test information is generated, based on which the
  • Image processing system a quality control of the
  • Print image can perform.
  • the present invention makes it possible to generate search models and comparison models for the generation of the synthetic learning data from the existing print data and the calibration data.
  • the search models allow a position determination of the print and allow a more precise alignment of the
  • Test information are compared.
  • the generated learning data and test information can be virtual images or
  • calculated partial views of the printing include. This allows an assessment of the quality level of the controlled
  • Control units can be an error recognize the printing without ever having carried out a corresponding printing on the printed article.
  • Variant configurator allows newly created articles.
  • the present invention enables a quality check of the printing and a quality check of others
  • the invention provides that the computer device is designed to generate learning data and / or test information for the quality check of the printing process in a learning phase of the computer device.
  • Learning data can be calculated for any configured article using a software algorithm.
  • the computer device is designed for the quality check of the printing process based on the learning data and / or test information
  • the invention provides that the computer device is designed to generate search models and / or comparison models as the test patterns for the quality test by machine learning based on the recorded image data and / or on the calibration data.
  • the invention provides that the computer device is designed to use the search models for determining the position of the pressure and / or for a calibrated one
  • the invention provides that the computer device is designed to compare a virtual image of the article with the image of the article recorded by the camera device and to create a quality level of the printing of the article for the quality check of the printing process as the use of the comparison models.
  • the invention provides that the product data in one
  • the invention provides that the neutral data format is an i) XML format; and or
  • a second aspect of the present invention is a method for calibrated checking a print of a
  • Process steps include:
  • printing data for the article is made available from product data of the article by means of a data provision device.
  • the product data is provided in a neutral data format.
  • an image of an article printed by a printing process is recorded by means of a camera device and is provided
  • Image data based on the captured image by means of the camera device.
  • calibration data is made available to the camera device by means of a database device.
  • a quality check of the printing process is carried out based on a comparison of the printing data with the image data below Consideration of the calibration data using a
  • the invention provides that the method further comprises the following method steps:
  • the invention provides that the method provides printing data in neutral data format and preferably that
  • Neutral data format an i) XML format; and or
  • the invention provides that for the quality check of the printing process based on the learning data and / or
  • Position determination of the pressure can be used.
  • Alignment an application of the comparison models is carried out on the recorded image data.
  • the invention provides that, for the quality check of the printing process as the application of the comparison models, a virtual image of the article with that of the
  • Camera device recorded image of the article is compared and based on this a quality level of the printing of the article is created.
  • the present invention comprises a data structure format, which is preferably in one
  • Neutral data format includes existing product data of the article and which is designed to be used by a method for calibrated checking a printing of an article according to one of the second aspect or any embodiment of the second aspect.
  • Implementations of the present invention also include combinations of previously or im not explicitly mentioned
  • FIG. 1 shows a schematic representation of a device for calibrated checking of printing on an article according to an exemplary embodiment of the present invention
  • FIG. 2 shows a schematic representation of a flow chart of a method for calibrated testing of a
  • FIG. 3 shows a schematic representation of a data structure for the calibrated checking of printing on an article according to an exemplary embodiment of the present invention.
  • neutral data format includes, for example, data or
  • Units such as computers, of a computer network.
  • neutral data format as used by the present invention may be used as a
  • Intermediate file format can be understood to translate data between participating systems of the computer network, such as production systems or ordering systems - web shop - or internal data processing systems - backend.
  • a neutral file is generated from original data in other file formats.
  • the target system can read the neutral file and
  • product data especially product data of the article as used by the present invention
  • Fig. 1 shows a schematic representation of a
  • the device 100 comprises one
  • Data provision device 10 a camera device 20, a database device 30 and a computer device 40.
  • the data provision device 10 is designed to provide printing data for the article from product data of the article.
  • the camera device 20 is designed to record an image of an article printed by a printing process and to provide it as image data.
  • the database device 30 is designed to
  • the calibration data for the camera device 20 can comprise, for example, learning data and test information and can be assigned to a respective type of the camera device 20 or can be selected depending on an illuminance prevailing when the image is captured or depending on one when the image is captured
  • Camera device 20 used image parameters
  • prevailing illuminance can be selected.
  • the computer device 40 is designed to carry out a quality check of the printing process based on a comparison of the printing data with the image data, taking into account the calibration data.
  • the present method enables the printing process control of freely configurable articles.
  • the device can be used with computer-aided product manufacturing systems and
  • FIG. 2 shows a schematic illustration of a flow diagram of a method for checking the printing of an article according to an exemplary embodiment of the
  • printing data for the article S1 is made available from product data of the article by means of a data provision device.
  • the neutral data format can be, for example, an XML format, a platform-independent data format
  • an image S2 is taken of an image printed by a printing process
  • Article using a camera device and providing image data based on the captured image using the camera device.
  • calibration data is provided S3 for the camera device by means of a database device.
  • a quality check of the printing process is carried out S4 based on a comparison of the printing data with the image data below
  • FIG. 3 shows a schematic representation of a
  • the data structure format shown in FIG. 3 can be the product data of the present in a neutral data format
  • the data structure format can be designed to be used by a method for calibrated checking of a print on an article.
  • the neutral data format can be an i) XML format; and or
  • iii) implementation-independent data format and / or iv) comprise M2M data format.
  • the data structure format can be hierarchically structured

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Image Processing (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Image Analysis (AREA)

Abstract

La présente invention concerne un dispositif (100) pour le contrôle étalonné d'une impression d'un article, le dispositif (100) comprenant : un dispositif de fourniture de données (10) qui est conçu pour fournir des données d'impression pour l'article à partir de données de produit de l'article; un dispositif de prise de vues (20) qui est conçu pour enregistrer une image d'un article imprimé par un processus d'impression et pour la fournir en tant que données d'image; un dispositif de base de données (30) qui est conçu pour fournir des données d'étalonnage pour le dispositif de prise de vues (20); et un dispositif de calcul (40) qui est conçu pour effectuer un contrôle de qualité du processus d'impression sur la base d'une comparaison des données d'impression avec les données d'image en tenant compte des données d'étalonnage.
EP19797761.4A 2018-11-09 2019-11-08 Dispositif et procédé pour le contrôle étalonné d'une impression d'un article Pending EP3877835A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE20185788A BE1026775B1 (de) 2018-11-09 2018-11-09 Vorrichtung und Verfahren zum kalibrierten Prüfen einer Bedruckung eines Artikels
PCT/EP2019/080754 WO2020094870A1 (fr) 2018-11-09 2019-11-08 Dispositif et procédé pour le contrôle étalonné d'une impression d'un article

Publications (1)

Publication Number Publication Date
EP3877835A1 true EP3877835A1 (fr) 2021-09-15

Family

ID=64556624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19797761.4A Pending EP3877835A1 (fr) 2018-11-09 2019-11-08 Dispositif et procédé pour le contrôle étalonné d'une impression d'un article

Country Status (5)

Country Link
US (1) US11557032B2 (fr)
EP (1) EP3877835A1 (fr)
CN (1) CN113168295A (fr)
BE (1) BE1026775B1 (fr)
WO (1) WO2020094870A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3650224B1 (fr) * 2018-11-09 2023-06-21 Phoenix Contact GmbH & Co. KG Dispositif et procédé d'impression d'un article
JP7482662B2 (ja) * 2020-03-25 2024-05-14 東京エレクトロン株式会社 異常検出装置及び異常検出方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0888713A (ja) * 1994-09-19 1996-04-02 Hitachi Ltd 情報処理装置
US6606395B1 (en) * 1999-11-29 2003-08-12 Xerox Corporation Method to allow automated image quality analysis of arbitrary test patterns
US7440123B2 (en) * 2005-07-20 2008-10-21 Eastman Kodak Company Adaptive printing
JP4348381B2 (ja) * 2007-05-30 2009-10-21 富士通株式会社 画像暗号化／復号化装置、方法およびプログラム
US8384963B2 (en) 2009-09-29 2013-02-26 Konica Minolta Laboratory U.S.A., Inc. System and method for monitoring output of printing devices
US8619278B2 (en) * 2009-12-04 2013-12-31 Ricoh Company, Limited Printed matter examination apparatus, printed matter examination method, and printed matter examination system
DE102010054344A1 (de) * 2010-12-13 2012-06-14 Heidelberger Druckmaschinen Ag System zur Erzeugung und Inspektion von Drucken mit statischen und variablen Inhalten
EP2778892B1 (fr) * 2013-03-11 2022-08-10 Esko Software BV Procédé et système pour inspecter une impression de données variables
US9774839B2 (en) * 2013-08-30 2017-09-26 Glasses.Com Inc. Systems and methods for color correction of images captured using a mobile computing device
JP6350128B2 (ja) * 2014-08-29 2018-07-04 凸版印刷株式会社 印刷物の検査装置及び検査方法
US20180082115A1 (en) 2015-07-17 2018-03-22 Hp Indigo B.V. Methods of detecting moire artifacts
DE102016100057A1 (de) * 2016-01-04 2017-07-06 Océ Holding B.V. Verfahren zur Ermittlung der Druckqualität eines Tintenstrahl-Drucksystems

Also Published As

Publication number Publication date
US20220036529A1 (en) 2022-02-03
BE1026775B1 (de) 2020-06-08
CN113168295A (zh) 2021-07-23
BE1026775A1 (de) 2020-06-05
US11557032B2 (en) 2023-01-17
WO2020094870A1 (fr) 2020-05-14

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