WO2016152962A1 - Programme informatique, système de recherche d'informations et procédé de commande associé - Google Patents

Programme informatique, système de recherche d'informations et procédé de commande associé Download PDF

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Publication number
WO2016152962A1
WO2016152962A1 PCT/JP2016/059329 JP2016059329W WO2016152962A1 WO 2016152962 A1 WO2016152962 A1 WO 2016152962A1 JP 2016059329 W JP2016059329 W JP 2016059329W WO 2016152962 A1 WO2016152962 A1 WO 2016152962A1
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WO
WIPO (PCT)
Prior art keywords
search
target word
search target
image
unit
Prior art date
Application number
PCT/JP2016/059329
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English (en)
Japanese (ja)
Inventor
洋樹 高梨
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株式会社リクルートホールディングス
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Publication of WO2016152962A1 publication Critical patent/WO2016152962A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/40—Processing or translation of natural language
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition

Definitions

  • the present invention relates to a computer program, an information search system, and a control method thereof.
  • the matter included in the captured image including characters is converted to text data, and the text data is converted to the web.
  • a method of examining the contents of the translation engine or search engine by inputting it into a portal site having these functions is also conceivable.
  • the text corresponding to the target matter is selected, and then a translation engine or search engine is used. Will be. Therefore, since it is necessary to recognize the entire information included in the image at the time of OCR conversion, the amount of data increases and the usability is never good.
  • An object of the present invention is to provide a computer program, an information search system, and a control method thereof that can contribute to speeding up of the translation process and the search process by reducing the amount, and can realize a further improved user interface. To do.
  • a computer program provides a computer operated by a user, an imaging unit that acquires an image including a search target word, a storage unit that stores the image, and a display that displays the image
  • a mark assigning unit that enables a user to add a mark designating a search target word to a position corresponding to the search target mark, and the given mark
  • the search target word is recognized and functions as a recognition unit that acquires text data of the search target word.
  • the recognition unit recognizes a search target word based on the mark without performing character recognition in the entire image, and acquires text data of the search target word.
  • a computer program delivers a computer to a translation system by passing text data of the search target word, to a search system by passing a translation result by the translation system, and from the search system to the search target word. It may be configured to function as a translation search unit that acquires related information, and the display unit may display information related to the search target word acquired by the translation search unit.
  • the recognition unit can be configured to perform a predetermined range of image processing using the mark as a reference in the image (an image including a search target word).
  • the type of the mark is not particularly limited, and may be, for example, an open figure (a line having both ends) or a closed figure (an endless circle, rectangle, circle, triangle, square, polygon, etc.).
  • the language of the search target word is not particularly limited.
  • the present invention is extremely useful when it is in Japanese.
  • An information search system is a system that provides information related to a search target word to a user via a client device operated by the user, and obtains an image including the search target word.
  • a mark giving unit that makes it possible, a recognition unit that recognizes a search target word based on the mark, obtains text data of the search target word, and delivers the text data of the search target word to the translation system, and translates to the search system Translation that delivers translation results by the system and obtains information related to the search target word from the search system And a search unit, the display unit displays the information related to the searched word acquired by the translation search unit.
  • the recognition unit recognizes a search target word based on the mark without performing character recognition in the entire image, and acquires text data of the search target word.
  • a control method for an information search system is a method for controlling an information search system that provides information related to a search target word to a user via a client device operated by the user,
  • An image including the search target word is acquired by the imaging unit, the image is stored by the storage unit, the image is displayed by the display unit, and the user designates the search target word in the image by the mark providing unit. For example, it is possible to assign a mark to be performed at a position corresponding to the search target mark, and the recognition unit recognizes the search target word based on the mark and obtains text data of the search target word, and translates it.
  • the search unit delivers the text data of the search target word to the translation system, and the translation system results the translation to the search system.
  • the recognition unit recognizes a search target word based on the mark without performing character recognition in the entire image, and acquires text data of the search target word.
  • an image including a search target word is acquired and stored, and in the displayed image, the user assigns a mark to a position corresponding to the search target word, and based on the provided mark.
  • the search target word can be recognized and the text data can be acquired. Therefore, character recognition by image processing of the entire image becomes unnecessary, and recognition of the search target word intended by the user can be performed with certainty. Therefore, the search target word written in a language different from the native language of the foreigner can be obtained.
  • FIG. 1 is a system block diagram schematically showing a preferred embodiment of a network configuration relating to an information search system according to the present invention.
  • FIG. It is a block diagram which shows roughly the structure of suitable one Embodiment of the server apparatus in the information search system by this invention. It is a block diagram which shows roughly the structure of one suitable embodiment of the client apparatus in the information search system by this invention. It is a flowchart which shows the flow of the basic process in the search service provided by the information search system by this invention.
  • (A) to (E) are plan views showing an example of transition of a display screen in a client device.
  • FIG. 1 is a system block diagram schematically showing a preferred embodiment of a network configuration relating to an information search system according to the present invention.
  • the information search system 100 includes a server device 10 that provides a search service connected to one or a plurality of client devices 30 (shown in the drawing) via a network 20.
  • the server device 10 is a network node having a part of a function for providing a search service.
  • the server device 10 is configured by a host computer having a high arithmetic processing capability, and a predetermined server program operates on the host computer, thereby It expresses the function.
  • the server device 10 includes a translation system (such as a translation engine or a portal site having a translation function) that translates a search target word, which will be described later, and a search system (such as a portal site having a translation engine or a translation function). It is a device to provide.
  • the computer for configuring the server device 10 is not limited to the host computer, and may be configured by, for example, a general-purpose communication terminal device.
  • the host computer constituting the server device 10 is not necessarily one, and may be constituted by a plurality of sub computers distributed on the network 20.
  • the network 20 includes, for example, a wired network (a short-range communication network (LAN), a wide-area communication network (WAN), a value-added communication network (VAN), etc.) and a wireless network (mobile communication network, satellite communication network, Bluetooth, It is a communication network configured by mixing WiFi (Wireless Fidelity), HSDPA (High Speed Downlink Packet Access, etc.).
  • the client device 30 is a network node having a function of receiving a search service, and is configured by, for example, a general-purpose communication terminal device used by a user.
  • a request (query, request, etc.) signal to the server device 10 is output from the client device 30 operated by the user, and the request signal is transmitted via the network 20 to the server device 10. Sent to.
  • the server apparatus 10 that has received the request signal from the client apparatus 30 returns a response signal corresponding to the request to the client apparatus 30, and the response signal is transmitted to the client apparatus 30 via the network 20. Part of the provision of the search service is realized by the exchange of these signals.
  • a network node that provides a part of the search service is referred to as a “server apparatus” regardless of the size of the arithmetic processing capability
  • a network node that receives the search service is referred to as a “client”.
  • a gateway server for converting a communication protocol between the server apparatus 10 and the client apparatus 30 may be interposed.
  • examples of the general-purpose communication terminal device constituting the server device 10 or the client device 30 include mobile phones including desktop computers, notebook computers, tablet computers, laptop computers, smartphones, and the like. More specifically, mobile phones include PDC (Personal Digital Cellular), PCS (Personal Communication System), GSM (registered trademark) (Global System for mobile communications), PHS (Personal Handy phone system), PDA (Personal Digital). A handheld portable terminal such as Assistant) can be exemplified. Further, as data communication systems for these mobile phones, for example, W-CDMA (Wideband Code Division Multiple Access), CDMA-2000 (Code Division Multiple Access-2000), IMT-2000 (International Mobile Telecommunication-2000), Wibro ( Standards such as Wireless (Broadband Internet) can be listed.
  • W-CDMA Wideband Code Division Multiple Access
  • CDMA-2000 Code Division Multiple Access-2000
  • IMT-2000 International Mobile Telecommunication-2000
  • Wibro Standards such as Wireless (Broadband Internet
  • FIG. 2 is a block diagram schematically showing a configuration of a preferred embodiment of the server device in the information search system according to the present invention.
  • the server device 10 includes a processor 11, a communication interface 12, and a storage resource 13.
  • the processor 11 is composed of an arithmetic and logic unit for processing arithmetic operations, logical operations, bit operations and the like and various registers (program counter, data register, instruction register, general-purpose register, etc.), and is stored in the storage resource 13.
  • the computer program 40 according to the invention is interpreted and executed, and responses to requests from one or more client devices 30 are returned.
  • the communication interface 12 is a hardware module for connecting to the client device 30 via the network 20 and is, for example, a modulation / demodulation device such as an ISDN modem, an ADSL modem, a cable modem, an optical modem, or a soft modem.
  • a modulation / demodulation device such as an ISDN modem, an ADSL modem, a cable modem, an optical modem, or a soft modem.
  • the computer program 40 is a program for performing a series of information retrieval processing (mainly translation and retrieval) in response to requests from a plurality of client devices 30, and is a main program (such as the server program described above) of the server device 10. And a plurality of software modules that are called and executed as appropriate during the operation.
  • Each of the software modules is a subprogram modularized to execute a specific process, and is created using, for example, a procedure, a subroutine, a method, a function, and a data structure.
  • the “module” indicates a unit that can be compiled only by that part (however, it is not limited to this).
  • the computer program 40 performs various control arithmetic processing included in the search service (for example, processing for recognition, translation, and search of a search target word), and processing results by the control module 41
  • various control arithmetic processing included in the search service for example, processing for recognition, translation, and search of a search target word
  • processing results by the control module 41 In addition to an image module 42 that performs image generation and display processing for displaying the image on the client device 30, a module that performs communication processing with the network 20 and the like is provided.
  • the storage resource 13 includes parameters necessary for the control module 41 to perform various control calculation processes included in the search service (for example, parameters necessary for executing an algorithm used for recognition of a search target word), Calculation parameters 50 such as a layout and a parameter necessary for screen magnification operation when the image module 42 performs image generation and display processing are stored.
  • the storage resource 13 is a logical device provided by a storage area of a physical device (for example, a computer-readable recording medium such as a disk drive or a semiconductor memory). A plurality of physical devices may be mapped to one logical device, or one physical device may be mapped to a plurality of logical devices.
  • the storage resource 13 may store data, logs, and the like indicating the access history of each client device 30, past search target words, and the like.
  • FIG. 3 is a block diagram schematically showing the configuration of a preferred embodiment of the client device in the information search system according to the present invention.
  • the client device 30 includes a processor 31, an audio output device 32, a communication interface 33, a storage resource 34, an input device 35, a display device 36, and a camera 37.
  • the processor 31 includes an arithmetic logic unit and various registers (program counter, data register, instruction register, general-purpose register, etc.), and a program 60 stored in the storage resource 34 (for example, according to the present invention installed in a smartphone)
  • the application program for information retrieval is interpreted and executed, a request is transmitted to the server device 10 according to the operation information input to the input device 35, and a response from the server device 10 is received.
  • the program 60 is an application program for connecting to the server device 10 and receiving a translation and search service. This application program can be distributed from the server device 10 through the network 20, for example.
  • the storage resource 34 is a logical device provided by a storage area of a physical device (for example, a computer-readable recording medium such as a disk drive or a semiconductor memory), and an operating system program, a driver program, Also stores various data.
  • a driver program include an input device driver program for controlling the input device 35 and an output device driver program for controlling the audio output device 32 and the display device 36.
  • Examples of the various data include history data of a search service menu display, history data of a web page on which information on a search target word is posted, and the like.
  • the audio output device 32 is, for example, a sound player that can reproduce general sound data.
  • the communication interface 33 provides a connection interface with the server device 10 and is configured by a wireless communication interface or a wired communication interface.
  • the input device 35 provides an interface for receiving an input operation from the user, and examples thereof include a touch panel, a keyboard, and a mouse.
  • the display device 36 provides a user with an image display interface such as a search service screen, and examples thereof include an organic EL display, a liquid crystal display, and a CRT display. Further, the camera is for capturing a still image of a subject including the search target word.
  • FIG. 4 is a flowchart showing the basic processing flow in the search service provided by the information search system according to the present invention.
  • FIGS. 5A to 5E show the transition of the display screen in the client device at that time. It is a top view which shows an example of a process.
  • FIG. 4 on the left side of the vertical broken line, the screen display processing in the client device corresponding to the transition and processing of the display screen of FIG. 5 is shown in time series, and on the right side of the vertical broken line, The operation of the client device by the user is shown in time series.
  • the user activates a program 60, which is an application program for executing and controlling the information retrieval system according to the present invention, from the application programs installed in the client device 30 (step SU1).
  • the program 60 is selected by, for example, tapping or pressing an icon or the like displayed on the display 61 of the display device 36 in the client device 30.
  • an activation screen shown in FIG. 5A is displayed on the display device 36 (display unit) of the client device 30 (step SC1), and the storage resource 34 (storage unit). Various stored data are loaded (loading of such data may be unnecessary).
  • the camera screen shown in FIG. 5B is automatically displayed on the display 61 without any user operation (step SC2).
  • a food and drink menu written in Japanese is displayed on the display 61 as a subject, and the camera button 63 for photographing the subject is also the subject. It is displayed so as to overlap the image.
  • the camera button 63 When the user depresses the camera button 63 and photographs an image including a word (search target word) that is recalled from the food / drink menu with the meaning (search target word) (step SU2), the photographed image is captured. Is stored in the storage resource 34 and then immediately displayed on the display 61. In a predetermined area of the display screen, a message 64 prompting the user to draw a guideline 64a (mark) is displayed below the search target word. (FIG. 5C). That is, the search target word designation screen is displayed on the display 61 in accordance with a command from the processor 31 (mark adding unit) (step SC3).
  • FIG. 5C shows a state in which “cheese” handwritten and horizontally written in katakana as a search target word is designated as a recognition target character, and a guideline 64a is drawn below the character.
  • the processor 31 determines that a predetermined range based on the guideline 64a is a region 64b to be recognized by image processing. Subsequently, the processor 31 (translation search unit) performs character recognition by image processing, machine learning, and language processing (recognition result correction), and recognizes that the search target word described in the region 64b is “cheese”. (Step SC4 so far).
  • the content of character recognition processing by image processing at this time is not particularly limited.
  • an image recognition system application represented by general OCR technology can be applied, or data learning can be performed instead of OCR technology.
  • a so-called deep learning technique using the above can also be applied.
  • Character recognition including such deep learning technology can be composed of, for example, steps of image processing, machine learning, and language processing (recognition result correction), and the processing content in each of these steps is as follows, for example.
  • ⁇ Image processing> Preprocessing by a pixel spatial filter and image binarization by an NLBlack filter-Text block corresponding to a user-specified auxiliary line (guideline 64a) using a density distribution (in the example of FIG. 5C, "cheese” in the region 64b Part ”and“ Extracting Object Rectangle Using Cutout / Projection Distribution Information ”Character Rectangle Extraction by Object Rectangle Combination Based on Aspect Ratio Quantities
  • ⁇ Machine Learning> Data space expansion of font images by adding distortion and noise-Unsupervised image image space learning using Convolutional Denoising AutoEncoder (Deep Learning)-Supervised learning of character type discriminators by Deep Convolutional Neural Network (Deep Learning)-Character type frequency distribution
  • Document space adaptive correction of Softmax score using ⁇ Language processing (recognition result correction)> Creation of N-gram frequency distribution specialized for food and drink menus using information on the web ⁇ Recognition score correction algorithm using sliding
  • step SC4 the search target word “cheese” is recognized, and the text data is obtained.
  • the processor 31 performs a process of handing over the text data of “cheese” to a translation system that exists on the web or that operates stand-alone. Translated into “Cheese” (step SC5).
  • the processor 31 performs a process of handing over the obtained translation word “Cheese” to a search system that exists on the web or that operates on a stand-alone basis, and by the search engine, the translation word “Cheese” that is the translation word of the search target word is processed. Relevant information is acquired (step SC6).
  • the processor 31 displays an image including information related to the search target word thus obtained on the display 61 (step SC7).
  • FIG. 5D and FIG. 5E are examples of the screen of the display 61 displayed in step SC7.
  • “cheese” that is the Japanese search target word 66j
  • “Cheese” that is the English translation word 66e are displayed at the top of the screen.
  • English text 66t that is a text search result of “Cheese” is displayed.
  • an image 67 t that is an image search result of “Cheese” is displayed in a region 67 below the region 67.
  • a transition button 62a is displayed between the region 66 and the region 67 in FIG. 5D, and when the user presses the transition button 62a, a further search result for the search target word 66j is obtained. It is displayed on the display 61.
  • FIG. 5E is an example of such a further search result display screen (for example, a web page), and a text header including a search target word 66j and / or a translation word 66e is displayed in an upper region 68 of the screen.
  • 68t is displayed, and further related information 69t is displayed in a region 69 below the 68t.
  • a return button 62b and a home button 62c are also provided on each of the screens shown in FIGS. 5 (A) to 5 (E).
  • the return button 62b By pressing the return button 62b, the user can redisplay the previous screen at any time for viewing, and by pressing the home button 62c, the user can quickly return to the camera screen shown in FIG. You can also. Therefore, when the user wants to examine information related to another search target word, the return button 62b returns to the camera screen shown in FIG. 5B or the search target word designation screen shown in FIG. 5C.
  • the home button 62c can be pressed to return to the camera screen shown in FIG. 5B, and the series of processing from steps SC2 and SC3 described above can be executed again.
  • the application is terminated by a user operation (step SU4).
  • a screen search for displaying an image of a subject including the search target word 66j taken by the user with the camera of the client device 30 on the display 61.
  • the user can designate the search target word 66j by drawing the guideline 64a (mark).
  • character recognition is performed by image processing of the area 64b that is a predetermined range (step SC4), so that character recognition by image processing of the entire photographed image becomes unnecessary, and the user Can be reliably recognized.
  • the search target word 66j is Japanese, horizontal writing, vertical writing, and further diagonal writing exist, and they are often mixed.
  • the search target word 66j is designated, the user draws the guide line 64a along the search target word 66j, and then performs the image processing based on the guide line 64a. Define. Therefore, even when the search target word 66j is Japanese, the present invention can accurately recognize the search target word 66j regardless of the direction of writing.
  • each of the above embodiments is an example for explaining the present invention, and the present invention is not limited to the embodiment.
  • the present invention can be variously modified without departing from the gist thereof.
  • those skilled in the art can replace the resources (hardware resources or software resources) described in the embodiments with equivalents, and such replacements are also included in the scope of the present invention.
  • the mark (designation auxiliary line) for designating the search target word may be an open figure having both ends as in the guideline 64a. It may be a closed figure.
  • the search target word is not limited to the food and drink menu.
  • the present invention has been made to solve the problems in the case of using the conventional OCR reading method. That is, according to the present invention, character recognition is performed only on a word designated by the user (with a mark added) without performing character recognition on the entire captured image, and the translation result is displayed.
  • the present invention is an invention having a different technical idea from a translation technique using a conventional OCR reading method, and is not easily conceived by those skilled in the art based on such a conventional technique.
  • the present invention character recognition by image processing of the entire image becomes unnecessary, and recognition of a search target word intended by the user can be reliably performed.
  • recognition of a search target word intended by the user can be reliably performed.

Abstract

La présente invention amène un ordinateur mis en œuvre par un utilisateur à servir : d'unité d'imagerie permettant d'acquérir une image contenant un mot à rechercher; d'unité de mémorisation permettant de mémoriser l'image; d'unité d'affichage permettant d'afficher l'image; d'unité d'ajout de marque permettant à l'utilisateur d'ajouter une marque de spécification du mot à rechercher, par exemple, à une position correspondant à la marque à rechercher dans l'écran affiché; et d'unité de reconnaissance permettant d'acquérir des données de texte du mot à rechercher lors de la reconnaissance du mot à rechercher sur la base de la marque ajoutée.
PCT/JP2016/059329 2015-03-25 2016-03-24 Programme informatique, système de recherche d'informations et procédé de commande associé WO2016152962A1 (fr)

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