WO2013072020A2 - Dispositif et procédé destinés à un poste de contrôle semi-automatique, en particulier dans un système de préparation de commandes - Google Patents

Dispositif et procédé destinés à un poste de contrôle semi-automatique, en particulier dans un système de préparation de commandes Download PDF

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Publication number
WO2013072020A2
WO2013072020A2 PCT/EP2012/004587 EP2012004587W WO2013072020A2 WO 2013072020 A2 WO2013072020 A2 WO 2013072020A2 EP 2012004587 W EP2012004587 W EP 2012004587W WO 2013072020 A2 WO2013072020 A2 WO 2013072020A2
Authority
WO
WIPO (PCT)
Prior art keywords
marking
data
identification device
light
detection
Prior art date
Application number
PCT/EP2012/004587
Other languages
German (de)
English (en)
Other versions
WO2013072020A3 (fr
Inventor
Peter Stelzer
Franz Mathi
Original Assignee
Knapp Ag
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 Knapp Ag filed Critical Knapp Ag
Publication of WO2013072020A2 publication Critical patent/WO2013072020A2/fr
Publication of WO2013072020A3 publication Critical patent/WO2013072020A3/fr

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Classifications

    • 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
    • B07C7/00—Sorting by hand only e.g. of mail
    • B07C7/005—Computer assisted manual sorting, e.g. for mail
    • 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
    • B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
    • B07C2501/0045—Return vending of articles, e.g. bottles
    • 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
    • B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
    • B07C2501/0054—Sorting of waste or refuse

Definitions

  • the invention relates to a device according to the preamble of claim 1 and a method according to the preamble of claim 10 for optosensory detection, computer-aided identification and highlighting or marking objects by optical means.
  • the invention is assigned to the fields of automation technology and partly to metrology and, in particular, deals with an automation-supporting device for a semi-automatic test station.
  • Devices of this type are used in the order picking of goods, in the goods control (quality assurance), in packaging or repackaging, in the mail order, in the merchandise management, and many other applications, especially where similar looking objects difficult with the Eye alone are distinguishable.
  • the utility model AT 010520 U2 describes a device and a method for visual support of picking operations, comprising an optical detection device and a display device.
  • Augmented reality functions are used e.g. in a camera image hint information such as arrows and the like are displayed.
  • Such devices are also used in spectacles, thereby bringing additional information of the virtual world into the field of view or video image of the real world.
  • Other aids have come in the literature as pick-to-light techniques, where light signaling devices on cabinets or trays assist the user in decision support in selecting an object from a material store.
  • a disadvantage of systems with data glasses or video glasses is that they do not like to be worn because of the limitation of the field of view, due to the weight of such glasses or vanity or the necessary care to always have clear view.
  • monitor-based recognition systems it is again troublesome to once again identify a product, which is preferably highlighted by recognition software on the monitor, on the real work area, where the emphasis is then missing. In this case, the comparison of nominal data on a model
  • BEST ⁇ TiGO ⁇ GSKOPSe With actual data on the real work surface, a higher probability that the user seizes a wrong object despite the monitor decision aid. In addition, the speed for performing such selections is limited.
  • pick-to-light devices one is limited to very few objects. For example, if a magazine has five signatures on five trays, there is a risk that wrong products will be sorted in a bin because video analysis is missing.
  • the object of the invention is to eliminate the aforementioned disadvantages for the user of the above known methods by a simple identification device for a semi-automatic test station, which allows to quickly identify one or more objects from a set of objects to be differentiated technically.
  • the user should be informed immediately about the right object. It should be able to detect false or incorrectly located objects faster, or to quickly probe the right objects from false or faulty objects from a crowd. It should be possible to sort different products with a similar appearance more quickly than before manually.
  • the aids should be of an optical nature, in order to avoid the risk of injury during use, such as by machines.
  • An augmented reality-near solution is sought, which is technically simple and inexpensive.
  • an adaptability for a variety of applications should be possible.
  • a rapid reconfiguration or reprogramming of the system components should be easily adjustable for each new application situation via simple interfaces or Einlind-possibilities. Also, scalability is an issue of the invention, the device must be able to grow with the growing challenges of the tasks.
  • the identification device is equipped with different components.
  • at least one first detection device is required for detecting at least an object or an object feature using optical and photo-sensory means.
  • an evaluation device for computer-aided evaluation of the optosensory detected objects or object features is provided by comparing the acquired data or the data evaluated by means of image comparison and / or character recognition algorithms with respect to stored desired data. For example, barcodes or alphanumeric characters can be recognized and compared with records in memory.
  • it is also possible to determine an optical property by means of suitable image analysis programs. Possible properties are dimensional dimensions, such as lengths or widths.
  • a certain shape such as round, square, hexagonal, octagonal, oval or heart-shaped, or a certain color, such as red, yellow, blue, or certain brightness or spectral values of the reflection components of white light are other possible properties.
  • a property can be determined absolutely, or a ratio z. B. length to width or a contrast.
  • the stored data records can advantageously be created by a learning algorithm, for which purpose the device presented here can be useful.
  • the detected and evaluated information with stored comparison values including a certain tolerance bandwidth can be compared and evaluated by a computer program. This image data processing is not new per se but is required for the proposed identification device.
  • a marking device for directly highlighting or marking at least one object or object feature as a function of the result of the object or feature comparison evaluation is integrated in the system.
  • the object to be marked lies on a document of defined size within an operative work area.
  • a user of the Identizif istsvoriques places objects on the pad, or gets them via not described devices supplied to the pad.
  • the marking device for marking has optical means which can project light with at least one specific property from the group of intensity, shape and wavelength on parts of the working area or on the objects located thereon. In the process, these parts of the work area are selectively selected by means of a control device, which is controlled by the evaluation device for computer-aided evaluation.
  • At least one first detection device or one second detection device is provided to allocate data, which is optically sensed by calibration, to the actual position data correctly and then, as a result, to the computer-aided determination of the position and orientation in the work area use.
  • a marking device for marking or highlighting an image projector can be used, which is mounted at a distance above or obliquely above the surface. If the image projector is in a different position, the base can also be reached as a projection surface by deflecting mirrors. Any reflection of the target positions must be taken into account.
  • the marking device for marking or highlighting can also be constructed from at least one light source, which throws a light beam of a certain size, shape, intensity, pattern type and / or color as focused spots on positions of that projection surface, which is given by the dimensions of the substrate.
  • at least one detail of the quality for example the light color (spectral composition) or spot pattern and the target direction of the spot can be determined by the activation device.
  • selection switch for a light source from a group of light sources with different beam alignment or by servomotors for changing the position and / or direction of a directional radiation of the irradiated place can be selected.
  • an electronic surface-mounted camera preferably a CCD or a CMOS camera, preferably with a lens objective is particularly suitable, but also a line scan camera with a movable preferably oscillating or rotating mirror is possible. Also conceivable is the use of a laser scanner or the like for object detection.
  • a lighting device for the objects may be useful, wherein the camera facing side of the object is illuminated.
  • At least one of the first and second detection devices for object detection or object position detection can be advantageously arranged below the support for the objects, since it then does not obstruct the work area and the user's hands are not limited in the field of view of the camera.
  • the underlay should consist of transparent or partially translucent material. Suitable are glass or plastic.
  • the pad can also be designed for this purpose as a grid or network.
  • To connect the individual devices for object detection, data processing and marking or for the control device of the marking device are advantageously cable connections, radio links or optical fiber connections for data transmission.
  • the predetermined stored data also contain object-linked information that goes beyond the optical properties, such as batch number, serial number, article number, expiration date, supplier information.
  • a signaling device for additional acoustic signaling of a defined object or object feature recognition whose signal quality, preferably pitch or modulation, signals different recognition events, this system offers further advantages.
  • the method which is possible as a result is the subject of the invention.
  • This method makes it possible according to the invention to recognize and identify at least one object by means of a detection device and an evaluation device.
  • At least one previously selected and defined object feature preferably a specific barcode of an object to be examined, is either not identified via this or another detection device, or uniquely identified or incorrectly identified.
  • the marking device serves for highlighting and marking by highlighting the object "optically” in qualitatively different ways, advantageously with differently colored light, in particular with green light for "correct object - correctly recognized", possibly red object "with right light” - not correctly recognized "and with blue light for" wrong object - correctly recognized ".
  • Other color assignments are possible as well as the use of certain projection patterns.
  • the identification device thus ingeniously combines known devices such as optical detection systems, image processing systems or optical readers with computerized controlled marking devices such as light spots to provide feedback to a user on real-time automated analysis using a computer give. This is the user is able, faster than before, to handle, in particular to seize, sort and / or select from an object set the correct objects or wrong objects.
  • the example described here shows a possible application of the identification device or the associated method.
  • Various objects or object features are possible.
  • the example is intentionally simple for ease of understanding. In real applications, there are much higher complex situations which, in most cases, can also be supported by the identification device.
  • a set of memory cards is spread on a glass plate.
  • object features 3 ' which are image contents. The image contents are printed on one of the two sides of the cards.
  • the back side of the cards is captured by the image capture device 10 and its features stored as a data set in the form of stored data 2 ⁇ to prevent two backsheets being identified and identified by the identification device 1 as the same pair of cards.
  • a first algorithm within an evaluation device 20 in the form of a computer a first card on the base 2 in the form of a glass plate is identified on the basis of the optosensory acquired data 1 1 by means of a first detection device 10, for example a digital camera, and compares the results of the evaluated data 21 after processing with the stored data 21 '. If the results are equal to the backside information in the data memory, the evaluation of the opto-sensory data is continued on the next detected card on the base 2 made of glass.
  • the camera is mounted for the purpose of card or image capture below the pad 2 and directed to the transparent glass plate. As long as no image, but only backs are detected, the process is repeated.
  • the position and orientation of the card is also optically detected, for example, via the first detection device 10 or the second detection device 10 'in the form of a position detection device.
  • Via a marking device tion 30 in the form of a beam device the card is now illuminated as unknown, for example, with blue light from above, the new image content is stored as a new record. This procedure is repeated for all cards on the glass plate.
  • Each card, the back of which lies down on the glass plate is illuminated from above, for example red. This signals to the user that the red card must be turned over, otherwise it will not be recognized.
  • these two identical or similar maps are selectively illuminated on the basis of the determined position data, for example with green light.
  • a signal may be sounded which may be provided as a request to remove the green light irradiated image pair.
  • the user must remove the detected image pairs each time he beeps. He also has to turn over all blue-illuminated cards so that they come to lie face down.
  • the high-concentration user 4 can gradually remove or collect all image pairs from the glass plate based on the green light marks, and only takes a fraction of the time that would be required for this logistical task without the identification device.
  • the signal tone can be delivered with a time delay by a corresponding acoustic signaling device.
  • the user has the opportunity to take a recognized image pair before the noise emission from the glass plate, and thereby avoid the beep. This makes it possible in addition to distinguish slow users of rapid users in the number of audible messages, with an indirect motivation of the user takes place.
  • FIG. 1 shows a user 4 in front of the base 2 or work surface. On this surface there are two objects 3 with the object features 3 '.
  • a first detection device 10 for detecting objects 2 or object features 3 'and a second detection device 10' for determining the position of the object are arranged above the work area above the work surface .
  • the mounting, guiding and control devices have been omitted for clarity and the connections are only indicated.
  • the detected data 11 ', 11' of these detection devices are transmitted to the evaluation device 20, which in the exemplary embodiment is a computer stand-alone device, and evaluated accordingly by this computer stand-alone device. so that the data 21 and 24 are determined, which serve for comparison and position assignment.
  • the marking device 30 which is here For example, a projector is, according to directly or by means of a drive device 31 driven or positioned to cause the marking by means of a corresponding light irradiation.
  • two different light cones are marked on two different objects in different colors in a first marking mode G (green light spot) and in a second marking mode B (blue light spot) as an example.
  • First detection device for detecting an object or an object feature 10 'Second detection device for determining the position of the object in the detection area
  • Optical means for optical detection here: lenses / aperture system
  • photosensoric means here: camera modules, sensor array, alternatively eg barcode scanner
  • evaluation device for computer-aided evaluation of the acquired data from the detection device 10
  • G first marking mode e. green light spot

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Analysis (AREA)
  • Sorting Of Articles (AREA)

Abstract

L'invention concerne un dispositif d'identification (1) associé à un procédé d'identification, destiné à un poste de surveillance semi-automatique, comprenant : • au moins un premier dispositif de détection (10) servant à la détection d'au moins un objet (3) ou d'une caractéristique (3') d'objet par des moyens optiques ou photosensibles ; • un dispositif d'évaluation (20) servant à l'identification assistée par ordinateur de l'objet (3) ou de la caractéristique (3') d'objet ainsi détectés, par comparaison par un programme informatique (23) entre des données détectées optiquement (11) et des données prédéterminées mémorisées (11') ou des propriétés sélectionnées (22) ; • ainsi qu'un dispositif de marquage (30) servant au marquage ou à la mise en évidence d'au moins un objet (3) ou d'une caractéristique (3') d'objet par des moyens optiques. Le dispositif d'identification (1) sert à l'assistance d'opérations de tri manuel. Selon l'invention, différents objets placés sur un support (2) transparent sont détectés par exemple d'en bas par une caméra, sont identifiés au moyen d'un système de traitement des données, et sont mis en évidence optiquement, par exemple en couleur, par un projecteur en fonction de l'identité de l'objet ainsi déterminée.
PCT/EP2012/004587 2011-11-16 2012-11-03 Dispositif et procédé destinés à un poste de contrôle semi-automatique, en particulier dans un système de préparation de commandes WO2013072020A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011118611.9 2011-11-16
DE102011118611A DE102011118611A1 (de) 2011-11-16 2011-11-16 Vorrichtung und Verfahren für eine halbautomatische Prüfstation

Publications (2)

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WO2013072020A2 true WO2013072020A2 (fr) 2013-05-23
WO2013072020A3 WO2013072020A3 (fr) 2013-07-11

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DE (1) DE102011118611A1 (fr)
WO (1) WO2013072020A2 (fr)

Cited By (2)

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US10281555B2 (en) * 2015-06-16 2019-05-07 United Parcel Service Of America, Inc. Concepts for identifying an asset sort location
US10495723B2 (en) 2015-06-16 2019-12-03 United Parcel Service Of America, Inc. Identifying an asset sort location

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DE102013003661B4 (de) * 2013-03-02 2018-12-20 Audi Ag Vorrichtung zur automatisierten optischen Montageüberprüfung von vormontierten Baugruppen für Kraftfahrzeuge
JP6646854B2 (ja) * 2016-03-23 2020-02-14 パナソニックＩｐマネジメント株式会社 投影指示装置、荷物仕分けシステムおよび投影指示方法
EP3439799B1 (fr) * 2016-08-12 2019-07-24 Amazon Technologies Inc. Système de détection et de manipulation d'objet
WO2023143703A1 (fr) * 2022-01-26 2023-08-03 Robert Bosch Gmbh Système assisté par ordinateur et procédé d'identification d'objet

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AT10520U2 (de) 2008-09-05 2009-05-15 Knapp Systemintegration Gmbh Vorrichtung und verfahren zur visuellen unterstützung von kommissioniervorgängen

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US7090134B2 (en) * 2003-03-04 2006-08-15 United Parcel Service Of America, Inc. System for projecting a handling instruction onto a moving item or parcel
US8825200B2 (en) * 2007-11-07 2014-09-02 Siemens Industry, Inc. Method and system for tracking of items
FR2949893A1 (fr) * 2009-09-09 2011-03-11 Sidel Participations Procede d'aide a l'identification de produits non conformes tries manuellement et installation pour sa mise en oeuvre

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
AT10520U2 (de) 2008-09-05 2009-05-15 Knapp Systemintegration Gmbh Vorrichtung und verfahren zur visuellen unterstützung von kommissioniervorgängen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10281555B2 (en) * 2015-06-16 2019-05-07 United Parcel Service Of America, Inc. Concepts for identifying an asset sort location
US10495723B2 (en) 2015-06-16 2019-12-03 United Parcel Service Of America, Inc. Identifying an asset sort location
US10859665B2 (en) 2015-06-16 2020-12-08 United Parcel Service Of America, Inc. Concepts for identifying an asset sort location
US11105887B2 (en) 2015-06-16 2021-08-31 United Parcel Service Of America, Inc. Identifying an asset sort location
US11686808B2 (en) 2015-06-16 2023-06-27 United Parcel Service Of America, Inc. Concepts for identifying an asset sort location
US11841452B2 (en) 2015-06-16 2023-12-12 United Parcel Service Of America, Inc. Identifying an asset sort location

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WO2013072020A3 (fr) 2013-07-11
DE102011118611A1 (de) 2013-05-16

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