WO2021117625A1 - 表示制御装置、制御方法、及びプログラム - Google Patents

表示制御装置、制御方法、及びプログラム Download PDF

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Publication number
WO2021117625A1
WO2021117625A1 PCT/JP2020/045206 JP2020045206W WO2021117625A1 WO 2021117625 A1 WO2021117625 A1 WO 2021117625A1 JP 2020045206 W JP2020045206 W JP 2020045206W WO 2021117625 A1 WO2021117625 A1 WO 2021117625A1
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WO
WIPO (PCT)
Prior art keywords
display
product
target image
display device
related information
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.)
Ceased
Application number
PCT/JP2020/045206
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English (en)
French (fr)
Japanese (ja)
Inventor
慎太郎 山田
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.)
NEC Corp
Original Assignee
NEC Corp
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Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to CN202080085670.1A priority Critical patent/CN114786540B/zh
Priority to US17/781,092 priority patent/US20230005448A1/en
Priority to JP2021563915A priority patent/JP7757796B2/ja
Publication of WO2021117625A1 publication Critical patent/WO2021117625A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/006—Details of the interface to the display terminal
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G06Q30/0241—Advertisements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G06Q30/0601—Electronic shopping [e-shopping]
    • G06Q30/0641—Electronic shopping [e-shopping] utilising user interfaces specially adapted for shopping
    • G06Q30/0643—Electronic shopping [e-shopping] utilising user interfaces specially adapted for shopping graphically representing goods, e.g. 3D product representation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G1/00—Cash registers
    • G07G1/01—Details for indicating
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/02—Networking aspects
    • G09G2370/022—Centralised management of display operation, e.g. in a server instead of locally
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/04—Electronic labels

Definitions

  • the present invention relates to the control of a display device that displays information about a product.
  • Patent Document 1 discloses an electronic shelf label system that displays information about products provided on a display shelf with respect to an electronic shelf label provided with a display screen longitudinally along the horizontal direction of the display shelf. There is.
  • a store clerk or the like manually inputs the layout of products on the display shelf, and the display simulation is performed according to the input. Then, according to the result of the simulation, the layout of the information display is determined for each of the plurality of types of products displayed on the display shelf.
  • the present invention has been made in view of the above problems, and one of the purposes thereof is to provide a technique for reducing the labor required to display information on a product on a display device.
  • the display control device of the present invention has 1) a first acquisition unit for acquiring a target image.
  • the target image includes a display device provided at the display place of the product and the product displayed at the display place.
  • the display control device further includes 2) a second acquisition unit that recognizes a product included in the target image and acquires related information that is information related to the product, and 3) a product and a display device in the target image. Based on the relative positional relationship, the display position determining unit that determines the display position for displaying the related display indicating the related information of the product on the display device and 4) the related display of the product are displayed at the display position on the display device. It has a display control unit.
  • the control method of the present invention is executed by a computer.
  • the control method has a first acquisition step of acquiring a target image.
  • the target image includes a display device provided at the display place of the product and the product displayed at the display place.
  • the control method further includes 2) a second acquisition step of recognizing a product included in the target image and acquiring related information which is information related to the product, and 3) a relative relationship between the product and the display device in the target image.
  • a display position determination step for determining a display position for displaying a related display representing product-related information on a display device based on a specific positional relationship, and 4) a display for displaying a product-related display at a display position on the display device. It has a control step.
  • the program of the present invention causes a computer to execute the control method of the present invention.
  • FIG. 1 is a first diagram illustrating the relative positional relationship between the display on the target image and the product.
  • FIG. 2 is a second diagram illustrating the relative positional relationship between the display on the target image and the product.
  • each block diagram represents a configuration of a functional unit, not a configuration of a hardware unit.
  • various predetermined values are stored in advance in a storage device accessible from the functional configuration unit that uses the values.
  • FIG. 1 is a diagram conceptually illustrating the operation of the display control device 2000 according to the first embodiment.
  • the operation of the display control device 2000 described with reference to FIG. 1 is an example for facilitating the understanding of the display control device 2000, and does not limit the operation of the display control device 2000. Details and variations of the operation of the display control device 2000 will be described later.
  • the display control device 2000 causes the display device 30 provided in the display place 40 to display information about the product 20 displayed in the display place 40.
  • the information about the product 20 is, for example, the name and price of the product 20, the advertisement of the product 20, and the like.
  • the operation of the display control device 2000 will be described more specifically.
  • the display control device 2000 acquires the target image 10.
  • the target image 10 is generated by a camera that captures the display location 40.
  • the target image 10 includes a product 20 displayed at the display place 40 and a display device 30 provided at the display place 40.
  • the display control device 2000 recognizes each product 20 included in the target image 10 by performing image analysis on the target image 10. Further, the display control device 2000 acquires the related information 54 of the product 20 from the related information storage device 50 for each product 20.
  • the related information storage device 50 stores the identification information 52 of the product 20 and the related information 54 in association with each other.
  • the identification information 52 is arbitrary information that can identify the product 20. For example, as the identification information 52, a JAN (Japan Article Number) code or the like can be used.
  • the related information 54 indicates information about the product 20 to be displayed on the display device 30.
  • the display control device 2000 determines the position on the display device 30 on which the related information 54 of the product 20 should be displayed by performing image analysis on the target image 10.
  • the display position where the related information 54 of the product 20 should be displayed is determined based on the relative positional relationship between the product 20 and the display device 30 in the target image 10.
  • the display control device 2000 uses the related information 54 of the product 20 to generate a display 32 representing the contents thereof.
  • the display 32 is an image showing the contents of the related information 54 of the product 20. Then, the display control device 2000 displays the display 32 of the product 20 at the display position on the display device 30 determined for the product 20.
  • the target image 10 includes the product 20-1 and the product 20-2.
  • the display control device 2000 recognizes the product 20-1 and the product 20-2 by performing image analysis on the target image 10.
  • the display control device 2000 acquires the related information 54 for each of the product 20-1 and the product 20-2.
  • the display control device 2000 determines the display position where the related information 54 of the product 20-1 should be displayed based on the positional relationship between the product 20-1 and the display device 30 in the target image 10. Similarly, the display control device 2000 determines the display position where the related information 54 of the product 20-2 should be displayed based on the positional relationship between the product 20-2 and the display device 30 in the target image 10.
  • the display control device 2000 generates a display 32-1 representing the related information 54 of the product 20-1, and displays the display 32-1 at the display position determined for the product 20-1. Similarly, the display control device 2000 generates a display 32-2 representing the related information 54 of the product 20-2, and displays the display 32-2 at the display position determined for the product 20-2.
  • ⁇ Typical action> image analysis is performed on the target image 10 including the product 20 and the display device 30, and as a result, information on the product 20 (related information 54) is acquired.
  • the position on the display device 30 on which the display 32 representing the related information 54 should be displayed is determined, and the display 32 at that position is displayed. Therefore, the user of the display control device 2000 (such as a clerk) does not need to manually input the layout of the product 20 at the display location 40. Therefore, as compared with the invention of Patent Document 1, there is an advantage that the labor required to display the information about the product on the display is small.
  • FIG. 2 is a block diagram illustrating the functional configuration of the display control device 2000.
  • the display control device 2000 includes a first acquisition unit 2020, a second acquisition unit 2040, a display position determination unit 2060, and a display control unit 2080.
  • the first acquisition unit 2020 acquires the target image 10.
  • the second acquisition unit 2040 recognizes the product 20 included in the target image 10 by performing image processing on the target image 10. Further, the second acquisition unit 2040 acquires the related information 54 for the recognized product 20.
  • the display position determination unit 2060 determines the display position on the display device 30 on which the related information 54 of the product 20 should be displayed, based on the relative positional relationship between the product 20 and the display device 30 in the target image 10.
  • the display control unit 2080 displays the display 32 representing the related information 54 of the product 20 at the above-determined display position of the display device 30.
  • Each functional component of the display control device 2000 may be realized by hardware that realizes each functional component (eg, a hard-wired electronic circuit, etc.), or a combination of hardware and software (eg, example). It may be realized by a combination of an electronic circuit and a program that controls it).
  • a case where each functional component of the display control device 2000 is realized by a combination of hardware and software will be further described.
  • FIG. 3 is a diagram illustrating a computer 1000 for realizing the display control device 2000.
  • the computer 1000 is an arbitrary computer.
  • the computer 1000 is a stationary computer such as a PC (Personal Computer) or a server machine.
  • the computer 1000 is a portable computer such as a smartphone or a tablet terminal.
  • the computer 1000 may be a dedicated computer designed to realize the display control device 2000, or may be a general-purpose computer. In the latter case, for example, by installing a predetermined application on the computer 1000, each function of the display control device 2000 is realized on the computer 1000.
  • the above application is composed of a program for realizing a functional component of the display control device 2000.
  • the computer 1000 has a bus 1020, a processor 1040, a memory 1060, a storage device 1080, an input / output interface 1100, and a network interface 1120.
  • the bus 1020 is a data transmission line for the processor 1040, the memory 1060, the storage device 1080, the input / output interface 1100, and the network interface 1120 to transmit and receive data to and from each other.
  • the method of connecting the processors 1040 and the like to each other is not limited to the bus connection.
  • the processor 1040 is various processors such as a CPU (Central Processing Unit), a GPU (Graphics Processing Unit), and an FPGA (Field-Programmable Gate Array).
  • the memory 1060 is a main storage device realized by using RAM (Random Access Memory) or the like.
  • the storage device 1080 is an auxiliary storage device realized by using a hard disk, an SSD (Solid State Drive), a memory card, a ROM (Read Only Memory), or the like.
  • the input / output interface 1100 is an interface for connecting the computer 1000 and the input / output device.
  • an input device such as a keyboard and an output device such as a display device are connected to the input / output interface 1100.
  • the network interface 1120 is an interface for connecting the computer 1000 to the communication network.
  • This communication network is, for example, LAN (Local Area Network) or WAN (Wide Area Network).
  • the storage device 1080 stores a program (a program that realizes the above-mentioned application) that realizes each functional component of the display control device 2000.
  • the processor 1040 reads this program into the memory 1060 and executes it to realize each functional component of the display control device 2000.
  • FIG. 4 is a flowchart illustrating a flow of processing executed by the display control device 2000 of the first embodiment.
  • the first acquisition unit 2020 acquires the target image 10 (S102).
  • the second acquisition unit 2040 recognizes each product 20 included in the target image 10 (S104).
  • S106 to S118 are loop processes A executed for each recognized product 20.
  • the second acquisition unit 2040 determines whether or not the loop process A has already been executed for all the recognized products 20. When the loop process A is executed for all the products 20, the process of FIG. 4 ends. If there is a product 20 that has not yet been the target of the loop process A, the display control device 2000 selects one of them.
  • the product 20 selected here is referred to as a product i. Then, the process of FIG. 4 proceeds to S108.
  • the display position determination unit 2060 determines the display position on the display device 30 for displaying the display 32 of the product i based on the relative positional relationship between the product i and the display device 30 in the target image 10 (S108).
  • the second acquisition unit 2040 acquires the related information 54 of the product i (S110).
  • the display position determination unit 2060 generates a display 32 representing the contents of the related information 54 of the product i (S112).
  • the display position determination unit 2060 displays the display 32 of the product i at the determined display position (S114). Since S116 is the end of the loop process A, the process of FIG. 4 proceeds to S106.
  • the processing flow executed by the display control device 2000 is not limited to that shown in FIG.
  • the process (S116) of displaying the related information 54 of each product 20 on the display device 30 may be collectively performed after the display position is determined and the display 32 is generated for all the products 20.
  • FIG. 5 is a diagram illustrating a usage environment of the display control device 2000.
  • the display control device 2000 is realized by the server machine 70.
  • the related information storage device 50 shows the image feature 56 in addition to the identification information 52 and the related information 54.
  • the image feature 56 is data representing the feature amount on the image of the product 20, and is used for recognizing the product 20 included in the target image 10.
  • the image feature 56 may be stored in a storage device different from the related information storage device 50.
  • the camera 80 is a camera installed in a store and images the display location 40. For example, the camera 80 periodically images the display location 40 and transmits the generated target image 10 to the server machine 70.
  • the camera 80 may be a still camera that generates a still image, or a video camera that generates a moving image. In the latter case, the target image 10 is one of the video frames constituting the moving image.
  • the server machine 70 calculates image features for each product 20 included in the received target image 10, and matches the image features with the image features 56 stored in the related information storage device 50 to match each product. Recognize 20. Further, the server machine 70 acquires the related information 54 for each product 20 from the related information storage device 50.
  • the server machine 70 determines a display position on the display device 30 on which the related information 54 of the product 20 should be displayed. Then, the server machine 70 displays the display 32 generated for each product 20 at each of the determined display positions.
  • the store clerk By receiving the target image 10 from the camera 80 provided in the store and setting the display of the display device 30 according to the content of the target image 10, the store clerk displays the product 20 at the display place 40.
  • the display of the display device 30 is appropriately changed according to the movement of the displayed product 20 by the store clerk or the customer. Therefore, it is possible to easily maintain a state in which appropriate information is displayed at an appropriate position of the display device 30.
  • the usage environment described with reference to FIG. 5 is merely an example, and the display control device 2000 can be used in various other environments.
  • the camera that generates the target image 10 is not fixedly installed in the store, but may be movable like a camera installed in a mobile terminal or the like.
  • a clerk takes an image of the display location 40 with a camera provided in the mobile terminal, and the generated target image 10 is transmitted from the mobile terminal to the server machine 70.
  • the display control device 2000 does not necessarily have to be realized by a server machine, and may be realized as a mobile terminal provided with the above-mentioned camera, for example.
  • the display of the display device 30 is controlled by the mobile terminal that generates the target image 10.
  • the display device 30 is an arbitrary display device that can be installed at the display location 40.
  • the display device 30 has a shape in which the length in the vertical direction or the horizontal direction is longer than the length of the other (for example, a rectangular shape).
  • a display device having such a shape is also called a bar type display or the like.
  • FIG. 6 is a diagram illustrating how a bar type display is used.
  • a display device 30 that is long in the horizontal direction (horizontal direction) is used.
  • the display device 30 displays a display 32 for each of the plurality of products 20 arranged in the horizontal direction at the display place 40.
  • a display device 30 that is long in the vertical direction (vertical direction) is used.
  • the display device 30 displays a display 32 for each of the plurality of products 20 arranged vertically at the display location 40.
  • the first acquisition unit 2020 acquires the target image 10 (S102).
  • the method by which the first acquisition unit 2020 acquires the target image 10 is arbitrary.
  • the first acquisition unit 2020 acquires the target image 10 by receiving the target image 10 transmitted by the camera 80 that generated the target image 10.
  • the first acquisition unit 2020 may acquire the target image 10 by accessing the storage device in which the target image 10 is stored. This storage device may be provided inside or outside the camera 80.
  • the first acquisition unit 2020 grasps by an arbitrary method that the new target image 10 that has not been acquired has been stored in the storage device, and the target image 10 is acquired. To get.
  • the first acquisition unit 2020 grasps the existence of a new target image 10 by periodically accessing the storage device, and acquires the target image 10.
  • the first acquisition unit 2020 may grasp the existence of the new target image 10 by receiving a notification indicating that the new target image 10 is stored in the storage device. For example, this notification is transmitted from the camera 80 that stores the target image 10 in the storage device.
  • the second acquisition unit 2040 recognizes each product 20 included in the target image 10 (S104).
  • the recognition of the product 20 referred to here means that an image area representing the product is detected from the target image 10 and identification information (JAN code or the like) of the product is specified.
  • JAN code or the like identification information
  • the existing technology can be used as the technology for recognizing the product included in the image.
  • the display position determination unit 2060 determines a display position for displaying the display 32 of the product 20 on the display device 30 based on the relative positional relationship between each product 20 and the display device 30 in the target image 10 (S108).
  • the display position of the display 32 in the display device 30 is represented by the coordinates of the reference position (for example, the center position) of the display 32 in the coordinate system of the display device 30 (hereinafter, the display coordinate system). Therefore, the display position determination unit 2060 determines the coordinates of the reference position of the display 32 in the display coordinate system.
  • the display coordinate system is a coordinate system in which the upper left end of the display device 30 in a plan view is the origin, the right direction is the x direction, and the downward direction is the y direction. Further, the lengths of one pixel in the x-direction and the y-direction are the unit lengths in the x-direction and the y-direction, respectively.
  • the display device 30 having a shape in which the length in the horizontal direction is longer than the length in the vertical direction (hereinafter, the display device 30 which is long in the horizontal direction) and the length in the vertical direction are A display device 30 having a shape longer than the horizontal length (hereinafter, a vertically long display device 30) can be used.
  • a method of determining the display position of the display 32 will be described for each of these two.
  • the display position determination unit 2060 determines the x-coordinate of the reference position of the display 32 in the display coordinate system based on the relative positional relationship between the product 20 and the display device 30 in the target image 10.
  • the method of determining the y coordinate of the reference position of the display 32 is arbitrary (for example, in the vertical direction, the display 32 is displayed at the center of the display device 30).
  • the reference position of the display 32 is set to coincide with the reference position of the product 20 in the horizontal direction. Therefore, the display position determining unit 2060 sets the display coordinate system for the position on the display device 30 that coincides with the reference position of the product 20 in the horizontal direction based on the positional relationship between the product 20 and the display device 30 on the target image 10. Calculate the above x-coordinates. Then, the calculated x-coordinate is used as the x-coordinate of the reference position of the display 32.
  • FIG. 7 is a first diagram illustrating the relative positional relationship between the display 32 and the product 20 on the target image 10.
  • the position P is the reference position of the display 32
  • the position Q is the reference position of the product 20.
  • the reference position P of the display 32 coincides with the reference position Q of the product 20 in the horizontal direction.
  • the horizontal distance from the left end of the display device 30 to the reference position Q of the product 20 is d1.
  • the width of the display device 30 is W.
  • the display position determination unit 2060 sets the x coordinate of the reference position P of the display 32 to (d1 / W) * A.
  • the reference position of the display 32 and the reference position of the product 20 need not necessarily match in the horizontal direction as long as the positional relationship between them is predetermined.
  • the offset between the reference position of the display 32 and the reference position of the product 20 in the horizontal direction is predetermined.
  • the display position determination unit 2060 determines the x-coordinates of the reference position of the display 32 so that the reference position of the display 32 deviates from the reference position of the product 20 by the offset.
  • the display position determination unit 2060 determines the y coordinate of the reference position of the display 32 in the display coordinate system based on the relative positional relationship between the product 20 and the display device 30.
  • the method of determining the x-coordinate of the reference position of the display 32 is arbitrary (for example, in the horizontal direction, the display 32 is displayed at the center of the display device 30).
  • the display position determining unit 2060 sets the display coordinate system for the position on the display device 30 that matches the vertical reference position of the product 20 based on the positional relationship between the product 20 and the display device 30 on the target image 10. Calculate the y coordinate of. Then, the calculated y-coordinate is used as the y-coordinate of the reference position of the display 32.
  • FIG. 8 is a second diagram illustrating the relative positional relationship between the display 32 and the product 20 on the target image 10.
  • the position P is the reference position of the display 32
  • the position Q is the reference position of the product 20.
  • the reference position P of the display 32 coincides with the reference position Q of the product 20 in the vertical direction.
  • the vertical distance from the upper end of the display device 30 to the center position of the product 20 is d2.
  • the height of the display device 30 is H.
  • the display position determination unit 2060 sets the y coordinate of the display position P of the display 32 to (d / W) * B.
  • the reference position of the display 32 and the reference position of the product 20 need not necessarily match in the vertical direction as long as these positional relationships are predetermined.
  • a vertical offset is predetermined for the reference position of the display 32 and the reference position of the product 20.
  • the display position determination unit 2060 determines the y-coordinate of the reference position of the display 32 so that the reference position of the display 32 deviates from the reference position of the product 20 by the offset.
  • FIG. 9 is a diagram illustrating a case where the number of faces of the product 20 is 2 or more. In FIG. 9, the number of faces of the product A and the product B is 3, respectively.
  • the display position determination unit 2060 displays one display 32 for each of the products 20 of the same type. For example, in FIG. 9A, display 32 is displayed below each of the three products A that can be seen from the front. The same applies to product B.
  • the display position determination unit 2060 may collectively display only one display 32 for the products 20 of the same type. For example, in FIG. 9B, one display 32 is displayed at the center of the three products A that can be seen from the front. The same applies to product B.
  • the display position determining unit 2060 treats the plurality of products 20 collectively as one product 20.
  • the reference position of the product 20 a position such as the center position, the left end position, or the right end position of the area occupied by a plurality of products 20 of the same type is used.
  • the center position of any one of the plurality of products 20 of the same type may be treated as the reference position of the product 20.
  • the target image 10 includes a plurality of display devices 30.
  • the display place 40 is a display shelf having a plurality of shelf boards, and the display device 30 is installed on each shelf board.
  • the display position determination unit 2060 determines the display device 30 for displaying the display 32 of the product 20 for each product 20. In other words, the display position determining unit 2060 associates the product 20 with the display device 30. Then, the display position determination unit 2060 determines the display position of the display 32 of the product 20 based on the relative positional relationship between the product 20 and the display device 30 associated with the product 20. The display position of the display 32 of the product 20 is a position on the display device 30 associated with the product 20.
  • a rule is defined that "the display device 30 is associated with each product 20 displayed on the shelf board on which the display device 30 is installed". According to this rule, the display device 30 displays the display 32 of each product 20 located immediately above the display device 30.
  • FIG. 10 is a diagram illustrating a case where the display 32 of the product 20 is displayed on the display device 30 provided on the shelf board 42 on which the product 20 is displayed.
  • the display device 30-1 and the display device 30-2 are provided on each of the two shelf boards 42-1 and the shelf board 42-2, respectively.
  • the product 20 is displayed on the shelf board 42-2.
  • the product 20 is associated with the display device 30-2 installed on the shelf board 42-2 on which the product 20 is displayed. Therefore, the display 32 is displayed on the display device 30-2.
  • the specific method of associating the product 20 with the display device 30 according to this rule is arbitrary.
  • the display position determining unit 2060 indicates which shelf board each of the display devices 30 included in the target image 10 is provided on (for example, which shelf board is located from the top in the target image 10). To identify.
  • the display position determining unit 2060 displays each product 20 included in the target image 10 on which shelf board (for example, which shelf board is located from the top in the target image 10). Is it). Then, the display position determining unit 2060 associates the product 20 located on the same shelf board with the display device 30.
  • a rule is defined that "the display device 30 is associated with each product 20 displayed on the shelf board immediately below the shelf board on which the display device 30 is installed". .. According to this rule, the display device 30 displays the display 32 of each product 20 located immediately below the display device 30.
  • the specific method of associating the product 20 with the display device 30 according to this rule is arbitrary.
  • the display position determining unit 2060 specifies on which shelf board each display device 30 included in the target image 10 is located by the method described above.
  • the display position determining unit 2060 identifies, for each product 20, which shelf it is located on. Then, the display position determining unit 2060 associates the display device 30 with each product 20 displayed on the shelf board immediately below the shelf board on which the display device 30 is provided.
  • FIG. 11 is a diagram illustrating a case in which a plurality of display devices 30 are provided on one shelf board 42.
  • the shelf board 42 on which the product 20 is displayed is provided with the display device 30-1 and the display device 30-2.
  • the product 20 is located between the left end and the right end of the display device 30-1.
  • the product 20 is not located between the left end and the right end of the display device 30-2. Therefore, the display position determining unit 2060 associates the product 20 with the display device 30-1. Therefore, the display 32 is displayed on the display device 30-1.
  • the target image 10 includes a plurality of display devices 30 that are long in the vertical direction, and their positions in the horizontal direction are different. Specifically, there are a plurality of side walls (partitions and pillars) in the display place 40, and a display device 30 is installed in each of them.
  • the display position determination unit 2060 associates the product 20 with the display device 30 based on the positional relationship between the product 20 and the display device 30 in the horizontal direction and a predetermined rule.
  • a rule is defined that "the product 20 is associated with the display device 30 which is located on the left side of the product 20 and which is closest to the product 20 in the horizontal direction".
  • the display position determination unit 2060 specifies a horizontal position (for example, a center position) of each display device 30 and each product 20 included in the target image 10. Then, the display position determining unit 2060 associates the product 20 with the display device 30 located to the left of the product 20 that is closest to the product 20 in the horizontal direction.
  • "left" may be changed to "right”.
  • FIG. 12 is a diagram illustrating a case in which a plurality of vertically long display devices 30 are provided at different positions in the horizontal direction.
  • FIG. 12 includes shelves 42-1 and shelves 42-2, and side walls 44-1 to 44-3. Display devices 30-1 to display devices 30-3 are provided on the side walls 44-1 to 44-3, respectively.
  • the product 20 is displayed on the shelf board 42-2.
  • the product 20 and the display device 30 are associated with each other according to the above-mentioned rule that "the product 20 is associated with the display device 30 located on the left side of the product 20 and closest to the product 20 in the horizontal direction".
  • the display device 30 located on the left side of the product 20 and having the closest horizontal distance to the product 20 is the display device 30-2. Therefore, the display position determining unit 2060 associates the product 20 with the display device 30-2. Therefore, the display 32 is displayed on the display device 30-2.
  • the display position determination unit 2060 associates the product 20 with the display device 30 based on the positional relationship between the product 20 and the display device 30 in the vertical direction and a predetermined rule. For example, as a rule in advance, "among a plurality of display devices 30, the one in which the product 20 is located between the upper end and the lower end of the display device 30 is associated with the product 20" is defined.
  • FIG. 13 is a diagram illustrating a case in which a plurality of display devices 30 are provided on one side wall 44.
  • the side wall 44 is provided with two display devices 30, a display device 30-1 and a display device 30-2. Further, a shelf board 42-1 and a shelf board 42-2 are provided, and the product 20 is displayed on the shelf board 42-2.
  • the product 20 is not located between the upper end and the lower end of the display device 30-1, but is located between the upper end and the lower end of the display device 30-2. Therefore, the display position determining unit 2060 associates the product 20 with the display device 30-2. Therefore, the display 32 is displayed on the display device 30-2.
  • the second acquisition unit 2040 acquires the related information 54 of the product 20 (S108). Specifically, the second acquisition unit 2040 acquires the related information 54 associated with the identification information 52 of the product 20 from the related information storage device 50.
  • the related information 54 is information about the product 20 and is displayed on the display device 30.
  • the related information 54 includes the name and price of the product 20.
  • the product name and the price of the product 20-1 and the product 20-2 are displayed on the display device 30.
  • the data format of the related information 54 indicating the name and price of the product 20 is arbitrary.
  • the related information 54 indicates the name and price of the product 20 as text data.
  • the related information 54 may indicate the name and price of the product 20 as image data.
  • the related information 54 may be information representing an advertisement related to the product 20.
  • the advertisement of the product 20 is displayed on the display device 30.
  • the advertisement related to the product 20 may be an advertisement related to the product 20 itself, or may be an advertisement other than that.
  • the advertisement related to the product 20 is, for example, an advertisement of another product belonging to the same series as the product 20, an advertisement related to the manufacturer of the product 20, and the like.
  • the data format of the related information 54 is arbitrary.
  • the related information 54 indicates the advertisement of the product 20 as text data.
  • the related information 54 indicates the advertisement of the product 20 as a single image or a plurality of time-series images (for example, a moving image file).
  • the display device 30 sequentially displays time-series images representing the advertisement of the product 20.
  • the display control unit 2080 uses the related information 54 acquired for the product 20 to generate the display 32 for the product 20 (S112). For example, the display control unit 2080 generates the display 32 by applying the content of the acquired related information 54 to a template prepared in advance. The template is stored in advance in a storage device accessible from the display control unit 2080.
  • the template is information that defines the display mode of the information included in the related information 54.
  • the template defines the product name and price arrangement, size ratio, and the like.
  • a template is defined as an HTML element.
  • the product name and price as the related information 54, for example, as a template, prepare an HTML element in which a character string or an image representing the product name and price can be embedded. That is, in this HTML element, a part for embedding the product name and a part for embedding the price of the product are prepared respectively.
  • the display control unit 2080 embeds the name and price of the product 20 shown in the related information 54 in the corresponding part of the HTML element prepared as a template.
  • the display 32 is generated by rendering the HTML element in which the name and price of the product 20 are embedded by the rendering engine of HTML.
  • the display 32 is generated by preparing an HTML element in which a text or an image representing an advertisement of the product 20 can be embedded as a template and embedding the contents of the related information 54 in the HTML element. ..
  • an advertisement prepared separately (hereinafter, default advertisement) may be used.
  • the default advertisement is stored in a storage device accessible from the second acquisition unit 2040.
  • the second acquisition unit 2040 does not have the related information 54 corresponding to the product 20, or when the related information 54 corresponding to the product 20 indicates that there is no advertisement related to the product 20, the above-mentioned default advertisement Is acquired, and the display 32 is generated by this default advertisement.
  • the default advertisement is an advertisement related to the store, such as an advertisement such as a discount or point redemption common to all products in the store, or an advertisement related to the sponsor of the store.
  • the template does not necessarily have to be defined as an HTML element, and may be defined by any other method.
  • the display control unit 2080 does not have to use the template to generate the display 32.
  • the related information 54 indicates information about the product 20 as an image.
  • the display control unit 2080 may use the related information 54 as it is as the display 32.
  • the related information 54 may further include not only the content of the information related to the product 20 but also the display mode of the content.
  • the related information 54 it is conceivable to include an HTML element in which the name and price of the product 20 are embedded. In this way, by including the information regarding the display mode in the related information 54, the display mode of the information regarding the product 20 can be determined for each product 20.
  • the size of the display 32 may be fixedly determined, or may be determined according to the display status of the product 20. In the latter case, for example, the display control unit 2080 determines the size of the display 32 of the product 20 based on the size of the area occupied by each product 20 at the display location 40.
  • FIG. 14 is a diagram illustrating a case where the size of the display device 30 is determined according to the display status of the product 20.
  • the display control unit 2080 sets the width of the display 32 to be the same as the width of the area occupied by the products 20 of the same type.
  • the display control unit 2080 sets the height of the display 32 to be the same as the height of the area (stage) occupied by the products 20 of the same type.
  • a plurality of the above-mentioned templates may be prepared according to the size of the display 32.
  • the display control unit 2080 uses a template corresponding to the size of the display 32 determined according to the display status of the product 20. By doing so, the display 32 is generated in an appropriate display mode according to the size. For example, in the template corresponding to the case where the size of the display 32 is relatively small (for example, when the width or height is less than a predetermined value), the display 32 in which the product name and the price are alternately displayed is generated, and the size of the display 32 is displayed.
  • the display 32 in which both the product name and the price are displayed at one time is generated.
  • the display 32 containing only the product name and the price is generated, and in the template corresponding to the case where the size of the display 32 is relatively large, the product A display 32 that includes additional information (eg, an advertisement, etc.) in addition to the name and price is generated.
  • the display control unit 2080 displays the display 32 of each product 20 at the display position on the display device 30 determined for the product 20 (S114).
  • the display control unit 2080 is a display device to be controlled from among one or more display devices 30 in the real world. It is necessary to be able to identify 30. That is, the display control unit 2080 needs to specify the identification information of the display device 30. For example, it is assumed that the display control unit 2080 transmits control information (for example, information including the display 32 and its display position) to the display device 30 to display the display 32 on the display device 30. In this case, the display control unit 2080 needs to grasp the destination address (MAC address, etc.) as the identification information of the display device 30.
  • control information for example, information including the display 32 and its display position
  • the identification information of each display device 30 and the information indicating the installation position are stored in a storage device in advance, and the information is used to store the identification information of each display device 30. Try to identify.
  • the identification information of the camera is associated with the display arrangement information of each display device 30 installed on the display shelf imaged by the camera, and is stored in the storage device in advance.
  • the display control unit 2080 identifies the identification information of the camera that generated the target image 10 acquired by the first acquisition unit 2020, and acquires the display arrangement information associated with the identification information.
  • the display control unit 2080 compares the position of each display device 30 in the target image 10 with the installation position of the display device 30 indicated by the acquired display arrangement information, and thereby includes each display device 30 included in the target image 10. Specify the display arrangement information corresponding to. As a result, the identification information of each display device 30 included in the target image 10 is specified.
  • the camera may be configured so that its angle of view can be changed (for example, a PTZ camera).
  • the display control unit 2080 uses the target image 10 and the camera parameters (pan value, tilt value, zoom value, etc.) at the time of capturing the target image 10 at the timing when the target image 10 is generated. It is possible to grasp the imaging range of the camera (that is, which part of the display shelf is included in the target image 10).
  • the display control unit 2080 specifies the identification information of each display device 30 included in the target image 10 by using the display arrangement information and the imaging range of the camera specified by using the camera parameters.
  • each display device 30 may be provided with a function of displaying its own identification information.
  • the display control device 2000 acquires the target image 10 captured by each display device 30 in the state where the identification information is displayed, and the target image 10 is image-analyzed to be displayed on each display device 30. Identify the identification information that is being used. As a result, the display control device 2000 can grasp the identification information of each display device 30 included in the target image 10.
  • a technique of "displaying identification information on a display device and analyzing an image including the display device to grasp the identification information of the display device" is disclosed in, for example, Patent Document 2. Technology is available.
  • the target image includes a display device provided at a product display location and a product displayed at the display location.
  • a second acquisition unit that recognizes a product included in the target image and acquires related information that is information related to the product.
  • a display position determining unit that determines a display position for displaying a related display representing related information of the product on the display device based on the relative positional relationship between the product and the display device in the target image.
  • a display control device including a display control unit that displays the related display of the product at the determined display position on the display device.
  • the target image includes a plurality of the display devices.
  • the display position determining unit displays the display device for displaying the related display of the product and the related display on the display device based on the positional relationship between the product and each display device in the target image. Determine the position and The display control unit causes the related display of the product to be displayed at the determined display position of the determined display device.
  • a plurality of the display devices are provided on one shelf board or one side wall.
  • the relevant information includes the name and price of the product or includes advertisements relating to the product. 3
  • the display control device according to any one of 3. 5.
  • the display control unit determines the size of the related display of the product based on the size of the area occupied by the product in the target image. 4 The display control device according to any one of 4. 6.
  • the display control unit acquires a template that defines a display mode of the related display, and uses the related information and the template to generate the related display that represents the related information. 5
  • the display control device according to any one of 5. 7.
  • a plurality of the templates are prepared according to the size of the area occupied by the product in the target image.
  • the display control unit generates the related display of the product by using a template corresponding to the size of the area occupied by the product in the target image.
  • a control method performed by a computer It has a first acquisition step of acquiring the target image,
  • the target image includes a display device provided at a product display location and a product displayed at the display location.
  • a control method comprising a display control step for displaying the related display of the product at the display position on the display device.
  • the target image includes a plurality of the display devices. In the display position determination step, the display device for displaying the related display of the product and the display of the related display on the display device based on the positional relationship between the product and each display device in the target image. Determine the position and 8.
  • the related display of the product is displayed at the determined display position of the determined display device.
  • the control method described in. 10. 9. A plurality of the display devices are provided on one shelf board or one side wall.
  • the relevant information includes the name and price of the product or includes advertisements relating to the product. 10.
  • the size of the related display of the product is determined based on the size of the area occupied by the product in the target image. 11.
  • a template that defines a display mode of the related display is acquired, and the related information and the template are used to generate the related display that represents the related information. 12.
  • a plurality of the templates are prepared according to the size of the area occupied by the product in the target image. 13.
  • the related display of the product is generated by using a template corresponding to the size of the area occupied by the product in the target image.
  • a control method performed by a computer that implements a display control device The display control device Get the target image and The target image includes a display device provided at a product display location and a product displayed at the display location. Further, the display control device Recognize the product included in the target image, acquire the related information that is the information related to the product, and Based on the relative positional relationship between the product and the display device in the target image, a display position for displaying the related display representing the related information of the product is determined in the display device. A control method for displaying the related display of the product at the display position on the display device. 17.
  • the target image includes a plurality of the display devices.
  • the display control device Based on the positional relationship between the product and each of the display devices in the target image, the display device for displaying the related display of the product and the display position of the related display on the display device are determined. 16. Display the related display of the product at the determined display position of the determined display device.
  • a plurality of the display devices are provided on one shelf board or one side wall.
  • the control method described in. 19 The relevant information includes the name and price of the goods or includes advertisements relating to the goods.
  • the display control device The size of the related display of the product is determined based on the size of the area occupied by the product in the target image, and the related display of the determined size is displayed. From 19. The control method according to any one. 21.
  • the display control device A template that defines a display mode of the related display is acquired, the related information and the template are used to generate the related display that represents the related information, and the generated related display is displayed. From 20.
  • a plurality of the templates are prepared according to the size of the area occupied by the product in the target image.
  • the related display of the product is generated by using a template corresponding to the size of the area occupied by the product in the target image, and the generated related display is displayed. The control method described in.
  • the target image includes a display device provided at a product display location and a product displayed at the display location.
  • the target image includes a plurality of the display devices.
  • 23. To cause a computer to perform a procedure for displaying the related display of the product at the determined display position of the determined display device.
  • the program described in. 25. A plurality of the display devices are provided on one shelf board or one side wall, 24.
  • the relevant information includes the name and price of the product or includes advertisements relating to the product, 23. To 25.
  • a template that defines a display mode of the related display is acquired, the related information and the template are used to generate the related display that represents the related information, and a computer is made to execute a procedure for displaying the generated related display.
  • a plurality of the templates are prepared according to the size of the area occupied by the product in the target image. 28. To generate the related display of the product using a template corresponding to the size of the area occupied by the product in the target image, and to cause the computer to execute the procedure of displaying the generated related display.
  • Target image 20 Product 30 Display device 32 Display 40 Display location 42 Shelf board 44 Side wall 50 Related information Storage device 52 Identification information 54 Related information 56 Image features 70 Server machine 80 Camera 1000 Computer 1020 Bus 1040 Processor 1060 Memory 1080 Storage device 1100 Output interface 1120 Network interface 2000 Display control device 2020 1st acquisition unit 2040 2nd acquisition unit 2060 Display position determination unit 2080 Display control unit

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