WO2012036345A1 - Système et procédé de reconnaissance optique de caractères et de recherche de dictionnaire dans une page intégrée reliée à un serveur - Google Patents

Système et procédé de reconnaissance optique de caractères et de recherche de dictionnaire dans une page intégrée reliée à un serveur Download PDF

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Publication number
WO2012036345A1
WO2012036345A1 PCT/KR2010/008166 KR2010008166W WO2012036345A1 WO 2012036345 A1 WO2012036345 A1 WO 2012036345A1 KR 2010008166 W KR2010008166 W KR 2010008166W WO 2012036345 A1 WO2012036345 A1 WO 2012036345A1
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WO
WIPO (PCT)
Prior art keywords
word
recognition
dictionary
information
character
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PCT/KR2010/008166
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English (en)
Korean (ko)
Inventor
박철오
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주식회사 엔웨이브
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Publication of WO2012036345A1 publication Critical patent/WO2012036345A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/94—Hardware or software architectures specially adapted for image or video understanding
    • G06V10/95—Hardware or software architectures specially adapted for image or video understanding structured as a network, e.g. client-server architectures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition

Definitions

  • the present invention relates to a dictionary recognition device using Optical Character Recognition (OCR), and more particularly, to a server by transmitting an optical image including characters in any language obtained from a mobile communication terminal to a server.
  • OCR Optical Character Recognition
  • the present invention relates to a server-linked general page optical character recognition and dictionary search system and method for performing optical character recognition and dictionary search for recognized characters and displaying the recognized characters and the searched dictionary information in a mobile communication terminal.
  • OCR Optical Character Recognition
  • the typical mobile communication terminal is a mobile communication terminal having a dictionary search function using OCR.
  • Such a mobile terminal acquires an image by photographing a document including a character through a camera, and performs character recognition on the characters on the obtained image.
  • a controller such as a central processing unit (CPU) is relatively low and memory is low.
  • the performance of the controller of the mobile communication terminal is poor, and it takes a long time to perform sentence recognition for a long sentence, and there is a problem that the recognition rate is lowered.
  • the dictionary search apparatus using the character recognition of the conventional mobile communication terminal is limited to the amount of data of the character recognition information for the character recognition and dictionary information for the dictionary search. As a result, there was a problem in that the recognition rate and the search rate were lowered during character recognition and dictionary search.
  • an object of the present invention is to obtain a document image including a plurality of characters in the mobile communication terminal, the document recognition and pre-search of the recognition words to be performed by the server receiving the page image information from the mobile communication terminal, so that the document recognition rate,
  • the present invention provides a system and method for recognizing a server-linked whole-page optical character and a dictionary retrieval system that can improve dictionary search rate and accuracy.
  • Server-linked whole page optical character recognition and dictionary search system of the present invention for achieving the above object; Acquire and transmit a document image of a document including a plurality of words to a connected wireless Internet network, and receive recognition dictionary information including recognition word information and dictionary information for the words and locate the words in the document image.
  • a mobile communication terminal for displaying recognition words corresponding to and displaying dictionary information on the selected word, and receiving the document image from the mobile communication terminal and performing character recognition and dictionary search to recognize recognized word information and dictionary of recognized words.
  • a dictionary search server that provides recognition dictionary information including the information to the mobile communication terminal.
  • Recognition dictionary information provided by the dictionary search server to the mobile communication terminal is characterized in that the XML document is mapped to the position of the word on the document image, each of the recognition word information and the dictionary information of the recognition word.
  • the mobile communication terminal is provided with a camera, characterized in that the document image obtained by the mobile communication terminal is obtained by the camera.
  • the mobile communication terminal may include an interface unit connected to an external device to perform data communication, and the mobile communication terminal may obtain the document image from an external device connected through the interface unit.
  • the external device may be a scanner or a computer.
  • the mobile communication terminal may display the dictionary information by overlaying the dictionary information on the document image to which the recognition words are mapped.
  • the dictionary search server may include: a communication unit configured to perform data communication with the mobile communication terminal through the wireless internet network; A database comprising a text recognition dictionary section for storing morphological dictionary information of characters including special characters and numbers for performing character recognition and a word dictionary section for storing dictionary information on words; A character recognition unit which receives the document image through the communication unit and performs character recognition and word recognition with reference to the character recognition dictionary unit, and dictionary information about the recognized words by referring to the word dictionary unit with respect to the recognized word; A server controller including a word search unit for searching and a recognition dictionary information generation unit for generating recognition dictionary information including information of the recognized recognition words and dictionary information of the recognized words and providing the recognition dictionary information to the mobile communication terminal through the communication unit; It is characterized by including.
  • Server-linked whole page optical character recognition and dictionary search method of the present invention for achieving the above object;
  • a document image acquisition process of the mobile communication terminal obtains a document image for a document including a plurality of words and transmits it to a dictionary search server, and the dictionary search server the document Receiving an image and performing a character recognition and dictionary search to search the recognized recognition word information and dictionary information of the recognition word to provide the dictionary information including the recognition word information and dictionary information to the mobile communication terminal; And displaying the document image in which the mobile communication terminal receives the recognition dictionary information, to which the recognition word is mapped, and displaying dictionary information on the selected recognition word when the user selects the recognition word of the character image. Characterized in that.
  • the recognition dictionary information may be an XML document in which a document image and a position of a word recorded on a document image corresponding to the recognized recognition word are mapped to the recognition word information and dictionary information.
  • the dictionary search process may include a character recognition step of outputting information of recognized words by performing character recognition and word recognition of characters recorded on the text image, and searching for dictionary information on the recognized recognition words to recognize the corresponding information. And a dictionary search step of mapping and storing word information and generating recognition dictionary information including the recognition word information and dictionary information and providing the recognition dictionary information to the mobile communication terminal.
  • the dictionary retrieval process may further include a misrecognition character replacement step of converting a corresponding character into a replacement character if the recognized recognition word includes a special character and a number after the character recognition step.
  • the dictionary search step may further search the dictionary information for the recognition word converted in the misrecognition character replacement step.
  • the dictionary retrieval process may include a circular conversion step of converting a recognized word not found in the dictionary information retrieval step into a circular shape of a recognized word by referring to a word-changing dictionary unit, and second dictionary information on the circular converted recognition word.
  • the method may further include a second dictionary information retrieval step of retrieving the first and second retrieval information, and further comprising recognizing words and dictionary information retrieved in the second dictionary information retrieval step when generating the recognition dictionary information.
  • the dictionary search process may include: a specialized character conversion step of converting a specialized character of the recognized word into a substitute character by referring to a specialized word dictionary unit for the recognized word not found in the dictionary information retrieval step;
  • the method may further include a second dictionary information retrieval step of retrieving dictionary information for a second time, and further comprising a recognition word and dictionary information retrieved in the second dictionary information retrieval step when generating the recognition dictionary information.
  • image acquisition is performed in a mobile communication terminal, and document recognition and dictionary retrieval of the acquired image are performed in a server having a large memory capable of storing controller performance and a sufficient number of document recognition dictionary information and dictionary retrieval information. By doing so, it is possible to perform document recognition and dictionary search on multiple sentences of the entire page at once.
  • the present invention can improve the document recognition and dictionary retrieval speed, improve the document recognition rate and dictionary retrieval rate by performing the document recognition and pre-search in the server that has good controller performance and stores a lot of document recognition and dictionary information And it has an effect that can improve the accuracy of document recognition and dictionary search.
  • the present invention eliminates the hassle of selecting and searching a word every time a word that the user does not know is seen by performing letter and word recognition and performing a dictionary search on a plurality of letters of the entire acquired image at once. Has the effect.
  • FIG. 1 is a diagram showing the configuration of a server linked tong page optical character recognition and dictionary search system according to the present invention.
  • FIG. 2 is a diagram showing the configuration of a mobile communication terminal of a server linked tong page optical character recognition and dictionary search system according to the present invention.
  • FIG. 3 is a diagram illustrating a configuration of a dictionary search server of a server linked whole page optical character recognition and dictionary search system according to the present invention.
  • FIG. 4 is a flowchart illustrating a method for recognizing a server-linked whole page optical character and pre-searching in a mobile communication terminal according to the present invention.
  • FIG. 5 is a flowchart illustrating a server-linked full page optical character recognition and dictionary search method in a dictionary search server according to the present invention.
  • FIG. 6 is a view showing an initial screen displayed when the optical character recognition and the dictionary search program are driven in the mobile communication terminal according to the present invention.
  • FIG. 7 is a view showing an image capture screen in the mobile communication terminal according to the present invention.
  • FIG. 8 is a view showing a first display screen of the character recognition and search results according to the server-linked through-page optical character recognition and dictionary search method according to the present invention.
  • FIG. 9 is a view showing a simple search method in the server-linked full page optical character recognition and dictionary search system according to the present invention.
  • FIG. 1 is a diagram showing the configuration of a server linked tong page optical character recognition and dictionary search system according to the present invention.
  • the server linked tong page optical character recognition and dictionary search system includes a mobile communication terminal 100 and the dictionary search server 200.
  • the mobile communication terminal 100 and the pre-search server 200 are wireless, including a mobile communication network 112, such as a high-speed downlink packet access (HSDPA) network, such as WiFi (WIFI-111) network and / and 3G and W-CDMA network Wireless connection is made through the Internet network 110.
  • a mobile communication network 112 such as a high-speed downlink packet access (HSDPA) network, such as WiFi (WIFI-111) network and / and 3G and W-CDMA network Wireless connection is made through the Internet network 110.
  • HSDPA high-speed downlink packet access
  • WIFI-111 WiFi (WIFI-111) network
  • 3G and W-CDMA network Wireless connection is made through the Internet network 110.
  • the mobile communication terminal 100 is a CDMA, W-CDMA and GSM mobile phone, PDA and smart phone, etc., a terminal having a document scanning function. In the following description, the mobile communication terminal 100 will be described mainly in the case of a smartphone.
  • the mobile communication terminal 100 acquires an image by scanning a document including a plurality of words and sentences, transmits the obtained image to the dictionary search server 200, and transmits the entire image from the dictionary search server 200.
  • the full page recognition dictionary information is a document written in XML in which the recognition word corresponding to the word and the dictionary information are mapped to the position of the image and the word recorded on the image.
  • the mobile communication terminal 100 displays the XML document, and if any one of a plurality of words recognized and pre-searched is selected, the mobile communication terminal 100 displays the dictionary information on the selected word and shows it to the user.
  • the dictionary search server 200 includes a database 230 that stores a character recognition dictionary, a word dictionary, a misrecognition character replacement dictionary, a word change dictionary, and a specialized word dictionary, and receives an image from the mobile communication terminal 100.
  • Primary character recognition and word recognition are performed by referring to a document recognition dictionary, and secondary character recognition and word recognition are performed by applying a misrecognition character replacement dictionary to unrecognized characters.
  • the character recognition is performed two times to improve the character recognition rate and the accuracy.
  • the dictionary search server 200 performs a dictionary search three times with reference to the general word, the modified word, and the specialized word dictionary for the letters recognized words. Accordingly, the dictionary search rate can be improved and the accuracy of the dictionary search can be improved.
  • the dictionary search server 200 performs letter and word recognition on the characters on the received image, and performs dictionary search on the recognized word to recognize the recognized word information and the dictionary information of the recognized word (ie, pronunciation). Generating page-ahead recognition information, which is an XML document including information, and the like, and transmitting the generated page-recognition dictionary information to the mobile communication terminal 100.
  • FIG. 2 is a diagram showing the configuration of a mobile communication terminal of a server linked tong page optical character recognition and dictionary search system according to the present invention.
  • a mobile communication terminal according to the present invention will be described with reference to FIG. 2.
  • the mobile communication terminal 100 includes a control unit 10, a storage unit 20, an input unit 30, a display unit 40, a first communication unit 50, a second communication unit 60, and a scanning unit 70. ).
  • the controller 10 controls the overall operation of the mobile communication terminal 100 according to the present invention.
  • the controller 10 displays the image input from the scan unit 70 on the display unit 40, and sends the image to the dictionary search server 200 through the first communication unit 50 or the second communication unit 60.
  • FIG. A detailed operation of the controller 10 according to the present invention will be described with reference to FIG. 4.
  • the storage unit 20 temporarily stores a program area for storing a control program for performing a server-linked communication page optical character recognition and pre-search of the mobile communication terminal 100 according to the present invention, and temporarily storing data generated during execution of the control program.
  • the control program area of the storage unit stores an operating program area for storing an operating program and a server-linked general page optical character recognition and pre-search application program driven on the operating program. It will be divided into application areas.
  • the input unit 30 may be a key input device having a plurality of keys or a pressure sensitive or capacitive touch pad that outputs coordinate information touched by the user.
  • the display unit 40 displays various information such as operation state, communication state, graphic, and video of each mode of the mobile communication terminal 100.
  • the controller 10 provides a graphic user interface (GUI) through which the user can input text, select a function, and control the user through the input unit 30 and the display unit 40.
  • GUI graphic user interface
  • the first communication unit 50 performs a data communication with the dictionary search server 200 by wirelessly connecting to the WIFI network 111.
  • the second communication unit 60 wirelessly connects to the mobile communication network 112 to perform data communication with the pre-search server 200 or to make a voice call with a communication device such as another general landline or mobile phone.
  • the image acquirer 70 may be connected to a digital camera or / and an external device so that an interface unit for performing data communication may be applied.
  • the camera When the camera is applied to the image acquisition unit 70, the camera photographs a document including text and sentences and provides an image of the document to the controller 10.
  • the interface unit when the interface unit is applied to the image acquisition unit 70, the interface unit receives the document image from the connected external device under the control of the control unit 10.
  • the external device may be a scanner or a computer. When the external device is a scanner, a scanner driver capable of controlling the scanner by the mobile communication terminal should be installed.
  • FIG. 3 is a diagram illustrating a configuration of a dictionary search server of a server linked whole page optical character recognition and dictionary search system according to the present invention.
  • the dictionary search server 200 includes a communication unit 210, a server control unit 220, and a database 230.
  • the communication unit 210 connects to the wireless Internet network 110 and performs data communication with the mobile communication terminal 100.
  • the database 230 includes a character recognition dictionary unit 231, a word dictionary unit 232, a misrecognition character replacement dictionary unit 233, a word change type dictionary unit 234, and a specialized word dictionary unit 235. .
  • the character recognition dictionary unit 231 stores a dictionary including morphological character recognition dictionary information for each of characters for performing general character recognition.
  • the character recognition dictionary information includes both special characters and numbers.
  • the word dictionary unit 232 stores words and dictionary information (information of meaning, pronunciation, etc.) of each word.
  • the misrecognition character replacement dictionary unit 232 stores a dictionary in which replacement character (for example, "English character") information for the misrecognized special characters and numbers is defined as shown in Table 1 below. There may be multiple replacement characters for one misrecognized character.
  • replacement character for example, "English character”
  • the word-changing dictionary unit 233 stores a dictionary in which prototypes and changeable endings of each word are defined as shown in Table 2 below.
  • the specialized word dictionary unit 234 stores a dictionary in which morphologically similar letters and words are defined for the recognized letters and words as shown in Table 3 below.
  • the controller 220 may include a character recognition unit 221, a misrecognition character substitution unit 222, a word search unit 223, a word circular conversion unit 224, a specialized word conversion unit 225, and an XML document generation unit 226. ).
  • the character recognition unit 221 performs an optical character recognition with reference to the character recognition dictionary unit 231 from the image received through the communication unit 210 to generate a character recognition result for the characters on the image and to generate a new character recognition result. Performs word recognition for the output. Word recognition at this time may be distinguished by the spacing characters of the characters.
  • the misrecognition character substitution unit 222 determines a word including a special character and a number among the characters recognized by the character recognition unit 221 as a misrecognition character, and with reference to the misrecognition character replacement dictionary unit 233. Replace special characters and numbers in the word with replaceable characters.
  • the word search unit 223 first extracts the word and its meaning information by referring to the word dictionary unit 232 for the word recognized by the character recognition unit 221 and the misrecognition character substitution unit 222. Secondly, with respect to the words provided by the word circular converter 224 and the specialized word converter 225, the word and its meaning information are extracted by referring to the word dictionary unit 232.
  • the word circular converter 224 is a word that is searched for the words that are not searched by the word search unit 223 with respect to the word dictionary unit 232 and is referred to as the word change type dictionary unit 234. If determined, the word is converted into a word prototype and then provided to the word search unit 223. Then, the word search unit 223 examines the word dictionary unit 232 and extracts the corresponding word and its meaning information. However, the word circular converter 224 may be configured to search for the circular word converted by the word dictionary unit 232 to extract the word and its meaning.
  • the specialized word converting unit 225 compares the word with the morphologically similar characters by referring to the specialized word dictionary unit 235 for the word not searched by the word searching unit 223 and the word circular converting unit 224. After replacing with a similar letter to provide a word search unit 223.
  • the XML document generation unit 226 may generate an XML document including an image received from the mobile communication terminal 100, word recognition information stored in mapping with a word existing on the image, and meaning information on the word recognition information. After generating it is sent to the mobile communication terminal 100 through the communication unit 210.
  • FIG. 4 is a flowchart illustrating a method for recognizing an optical character recognition and a dictionary search in a server-linked communication page in a mobile communication terminal according to the present invention
  • FIG. 7 is a view showing an image capture screen in a mobile communication terminal according to the present invention
  • Figure 8 is a character recognition in accordance with the server linked tong page optical character recognition and dictionary search method according to the present invention
  • FIG. 9 is a view illustrating a display screen of the searched result
  • FIG. 9 is a view illustrating a second display screen of the character recognition and the searched result according to the server linked general page optical character recognition and dictionary search method according to the present invention.
  • FIGS. 4 and 6 to 9 a description will be given mainly on the case where the mobile communication terminal 100 is a smartphone.
  • the controller 10 checks whether a document recognition pre-search execution command is input (S401).
  • the document recognition pre-search execution command may be generated by selecting a document recognition dictionary search menu when the mobile communication terminal 100 is a mobile phone, and by executing a document recognition dictionary search application in the case of a smartphone.
  • the controller 10 displays the initial screen as shown in FIG. 6 on the display unit 40 (S403).
  • the initial screen includes a photo recognition button 601 and a gallery recognition button 602 for acquiring an image, and a wordbook button 603 for confirming words previously searched by a document recognition dictionary search or selected by a user, as shown in FIG. 6. ) May be included.
  • the image obtained as shown in FIG. 7 is displayed on the display unit 40 or the image selected from a pre-stored image gallery is loaded and displayed on the display unit 40 (S411).
  • an image obtained by the camera is illustrated and includes a shooting mode selection / notification button 711 and a shooting button 712.
  • the present invention supports a macro mode so that photographed document images can be taken clearly.
  • the controller 10 connects the image to the wireless Internet network 110 and transmits the image to the pre-search server 200 through the first communication unit 50 or the second communication unit 60 (S413). .
  • the controller 10 After the transmission of the image, the controller 10 checks whether the dictionary search information, which is an XML document including dictionary information on words included in the entire image, is received from the dictionary search server 200 (S415).
  • the controller 10 displays an XML document 801 including an image in which words recognized and words including dictionary information are mapped as shown in FIG. 8. (S417).
  • the recognized word and the word including the dictionary information may be displayed as an underline link mark or may be displayed as a link mark of a highlighter type although not shown.
  • words currently selected and not selected may be displayed with highlighters of different colors. For example, the unselected words may be marked with a yellow highlighter, and the selected word may be marked with a red highlighter.
  • the controller 10 checks whether the word marked with the link mark is selected (S419).
  • the controller 10 displays dictionary information of the selected word on part or all of the XML document 801 display screen as shown in FIGS. 8A and 8B (S421). As shown in FIG. 8, the partial display and the full display are configured to be interchangeable by the full / partial display button 803 of the dictionary information display screen.
  • FIG. 5 is a flowchart illustrating a server-linked full page optical character recognition and dictionary search method in a dictionary search server according to the present invention.
  • the server controller 220 first checks whether a document image is received from the mobile communication terminal 100 (S510).
  • the character recognition unit 221 of the controller 220 performs character recognition and word recognition from the document image, and provides the result to the internal misrecognition character replacement unit 222. (S511).
  • the misrecognition character replacement unit 222 receives the character recognition and the word recognition recognition result information, and determines whether the special characters and numbers are included in the letters for each word of the recognition result (S513).
  • the misrecognition character substitution unit 222 of the controller 220 converts a special character and a number among the recognition result information inputted with reference to the misrecognition character substitution dictionary unit 233 into a substitution character of the misrecognition character substitution dictionary unit in operation S515. ). After converting the special characters and numbers into substitute characters, the recognition result information including the converted substitute characters is provided to the word search unit 223.
  • the word search unit 223 searches the dictionary information of each word by referring to the word dictionary unit 232 for the words of the character recognition result replaced by the character recognition unit 221 and the misrecognition character substitution unit 222. In operation S519, the searched dictionary information is mapped to the corresponding recognition word and stored.
  • the word search unit 223 checks whether there are recognized words for which dictionary information is not searched (S521), and if there are recognized words for which dictionary information is not searched, the word search unit 223 provides the word circular converter 224.
  • the word circular converter 224 searches for the prototype of the recognized word with respect to the words for which the dictionary information is not found by referring to the word changed dictionary 234 and provides the word search unit 223 to the word search unit 223 (S523). ).
  • the word search unit 223 receives the recognized word converted into the original form, searches the dictionary information with reference to the word dictionary unit 232 again, and stores the searched dictionary information by mapping it with the corresponding recognized word (S525).
  • the word search unit 223 determines whether there is a recognized word that is not recognized (S527), and if so, provides the recognized word whose dictionary information is not searched to the specialized word converting unit 225.
  • the specialized word conversion unit 225 converts the special characters into substitute characters by referring to the specialized word dictionary unit 235 with the recognized words for which the dictionary information is not retrieved (S529).
  • the recognition word of "cIose” is converted to "dose”.
  • the special characters that can be misrecognized in character recognition as shown in Table 3 and defining a character (eg "d") to replace the special character (eg "cI") as shown in Table 3
  • it can be defined in units of words, but it would be desirable to define in units of characters to reduce memory usage.
  • the converted recognition word is provided to the word search unit 223 again.
  • the word search unit 223 searches the dictionary information with reference to the word dictionary unit 232 again, and maps and stores the found dictionary information and the corresponding recognition word (S531).
  • the recognition word and the dictionary information are mapped to the position corresponding to the position of the words on the document image information and the document image information.
  • An XML document is generated and provided to the mobile communication terminal 100 which has sent the document image as recognition dictionary information (S533).
  • the mobile communication terminal 100 will perform the process after S415 of FIG. 4 described above.
  • the dictionary search server 200 maps only the final recognized words completed until the conversion of the specialized words except for the dictionary information to the locations of the corresponding words in the document image, thereby transmitting the word to the user.
  • the user may have a word dictionary searched to display dictionary information.
  • FIG. 9 is a view showing a simple search method in the server-linked full page optical character recognition and dictionary search system according to the present invention.
  • the controller 10 of the mobile communication terminal 100 displays a word search window as shown in FIG. 9A, and when a word or sentence is input as shown in FIG. A word search is performed for each word of the sentence to display the searched word and the meaning of each word as shown in 9c.
  • the user dictionary may be searched first, and the server may be set to perform a server search for words not found in the user dictionary.
  • the present invention is not limited to the above-described typical preferred embodiment, it can be carried out in various ways without departing from the gist of the present invention various modifications, changes, replacements or additions in the art réelle who has this can easily understand it. If such improvement, change, substitution or addition is carried out within the scope of the appended claims, the technical spirit should also be regarded as belonging to the present invention.

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Abstract

La présente invention concerne un dispositif de reconnaissance de dictionnaire utilisant la reconnaissance optique de caractères (OCR), et plus particulièrement, un système et procédé de reconnaissance optique de caractères et de recherche de dictionnaire dans une page intégrée reliée à un serveur, selon lequel une image optique comprenant des caractères d'un langage arbitraire obtenus à partir d'un terminal de communications mobiles est transmise vers un serveur pour effectuer une reconnaissance optique de caractères et un dictionnaire pour les caractères reconnus via le serveur, et ensuite, les caractères reconnus et l'information de dictionnaire recherchée sont affichés sur le terminal de communications mobiles.
PCT/KR2010/008166 2010-09-17 2010-11-19 Système et procédé de reconnaissance optique de caractères et de recherche de dictionnaire dans une page intégrée reliée à un serveur WO2012036345A1 (fr)

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CN110598645B (zh) * 2019-09-17 2023-05-23 北京西骏数据科技股份有限公司 一种快速修复信息系统的故障和风险的方法

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