WO2015079752A1 - Dispositif de traduction et procédé de commande d'un dispositif de traduction - Google Patents

Dispositif de traduction et procédé de commande d'un dispositif de traduction Download PDF

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Publication number
WO2015079752A1
WO2015079752A1 PCT/JP2014/072050 JP2014072050W WO2015079752A1 WO 2015079752 A1 WO2015079752 A1 WO 2015079752A1 JP 2014072050 W JP2014072050 W JP 2014072050W WO 2015079752 A1 WO2015079752 A1 WO 2015079752A1
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WIPO (PCT)
Prior art keywords
translation
character string
unit
result
translation result
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Application number
PCT/JP2014/072050
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English (en)
Japanese (ja)
Inventor
健文 大塚
石川　博一
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シャープ株式会社
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Publication of WO2015079752A1 publication Critical patent/WO2015079752A1/fr

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    • 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
    • G06F40/58—Use of machine translation, e.g. for multi-lingual retrieval, for server-side translation for client devices or for real-time translation

Definitions

  • the present invention relates to a translation apparatus that translates a character string included in image data and a method for controlling the translation apparatus.
  • OCR optical character recognition
  • Patent Document 1 a character string included in a document or signboard photographed by a photographing unit is extracted, and the extracted character string is translated and replaced with the original character string or superimposed on the original character string.
  • a camera for displaying on a display unit is disclosed.
  • the conventional technology as described above has a problem that when extraction of a character string in an image fails, it cannot be properly translated. For example, when the character string recognized by the OCR that performs character recognition in the image is not appropriate, an error is included in the extracted character string, and the character string included in the image cannot be appropriately translated.
  • the present invention has been made in view of the above problems, and its purpose is to provide a translation device or the like that can display appropriate translation even when a character string included in an image cannot be properly recognized. It is to provide.
  • a translation apparatus is a translation apparatus that translates a character string included in input image data and displays a translation result, and is detected from the image data.
  • Determining means for determining the success or failure of the translation of the character string, and a storage control means for storing the character string and the translation result in association with each other when the determining means determines that the translation has been successful;
  • an extraction unit that extracts a character string similar to the character string from the storage unit, and a translation corresponding to the similar character string extracted by the extraction unit
  • Display control means for displaying the result as a translation result of the detected character string.
  • an appropriate translation result is obtained using a history of translating a character string similar to the character string in the past. Can be displayed. Therefore, even if translation fails, there is an effect that an appropriate translation result can be presented to the user.
  • FIG. 4 It is a block diagram which shows the schematic structural example of the translation apparatus which concerns on Embodiment 1 of this invention. It is a figure which shows an example of the data structure of the translation success log
  • FIG. 1 is a block diagram illustrating a schematic configuration example of a translation apparatus 1 according to the first embodiment of the present invention.
  • the mobile terminal 10 may include an operation input unit, a communication unit, and the like, but since they are not directly related to the feature points of the present invention, description thereof will be omitted.
  • the mobile terminal 10 includes a translation device 1, a camera 3, and a display device 4.
  • the camera 3 is a digital camera or a digital video camera, and outputs the captured still image or moving image image data to the translation device 1.
  • the display device 4 is a device for displaying image data, character string data, and the like acquired from the translation device 1 on a screen.
  • the camera 3 and the display device 4 have a communication function (not shown) capable of transmitting and receiving information such as image data to and from the translation device 1, and the camera 3 and the translation device 1, and the translation device 1 and the display device 4. May be present at different positions.
  • the display device 4 may be configured such that a part or the whole of the display screen functions as an operation input unit that receives a touch operation by the user on the display screen by superimposing a touch panel on the display screen.
  • the translation device 1 includes a storage unit 2, an image acquisition unit 11, a character string detection unit 12, a translation unit 13, a success / failure determination unit (determination unit) 14, a storage control unit (storage control unit) 15, a translation history extraction unit (extraction unit). ) 16 and a display control unit (display control means) 17.
  • the storage unit 2 is a storage device that stores the image 21, the dictionary 22, and the translation success history 23.
  • the image 21 is image data acquired by the image acquisition unit 11.
  • the dictionary 22 is various electronic dictionaries. Here, the various dictionaries are dictionaries and dictionaries that store information necessary for translating words and sentences from each country. Etc.
  • the translation success history 23 stores a set of a character string, a translation result, and the number of extractions extracted by the translation history extraction unit 16. The data structure of the translation success history 23 will be described later.
  • the image acquisition unit 11 acquires image data output from the camera 3.
  • the image data acquired by the image acquisition unit 11 is not limited to the image data output from the camera 3.
  • the image acquisition unit 11 may read image data stored in the image 21. Further, it may be image data of a broadcast program distributed by broadcast waves from a broadcast station and image data of a video such as a moving image file acquired or received via a communication network such as the Internet.
  • the character string detection unit 12 recognizes and detects a character string included in the image data output from the image acquisition unit 11.
  • the character string detector 12 is, for example, an optical character reader (OCR: optical character recognition).
  • OCR optical character recognition
  • the character string detection unit 12 may convert the detected character string into text format data.
  • the translation unit 13 searches the dictionary stored in the dictionary 22 for the character string (pre-translation character string) output from the character string detection unit 12, and translates the post-translation (character string after translation) corresponding to the character string. Is output to the success / failure determination unit 14.
  • the term “translation processing” may be used, and this refers to the processing for translation.
  • the success / failure determination unit 14 determines the success or failure of translation of the character string detected from the image data.
  • the pre-translation character string is included in the post-translation character string.
  • the translation unit 13 detects the detected character string “I have a As a translation corresponding to “pel”, the translated string “I have pel” is output.
  • the success or failure of the translation can be determined based on whether or not the pre-translation character string remains in the post-translation character string.
  • the determination method with which various known translation applications etc. are applicable can determine the success or failure of translation, and a suitable determination method can be used suitably according to the character string characteristic between the languages to translate.
  • the storage control unit 15 stores the character string and the translation result in association with each other in the storage unit 2. More specifically, when the translation is successful, the storage control unit 15 associates the pre-translation character string that has been successfully translated with the post-translation character string, and stores them in the translation success history 23. Further, the storage control unit 15 associates the character string, the translation result of the character string, and the number of times the character string has been extracted by the translation history extraction unit 16 (the number of times of extraction), and stores it in the translation success history 23. . A process in which the storage control unit 15 stores the translation result that has been successfully translated in the translation success history 23 will be described later.
  • the translation history extraction unit 16 extracts a character string similar to the character string from the storage unit when the determination unit determines that the translation has failed. Similarity can be used to extract similar character strings. The similarity is obtained by obtaining the minimum number of steps (also called editing distance) necessary to make the two character strings to be compared equal, and determining that the similarity between the character strings having the smallest number of times is the highest. May be. The procedure includes replacement, insertion, and deletion of each character. Specifically, a known method for determining the similarity, such as Levenshtein distance or Jaro-Winkler distance, can be applied.
  • the display control unit 17 displays the translation result corresponding to the similar character string extracted by the extraction unit as the translation of the detected character string.
  • the display device 4 may be controlled such that image data is acquired from the image acquisition unit 11 and the translated character string is superimposed on the image.
  • FIG. 2 is a diagram showing an example of the data structure of the translation success history 23 shown in FIG.
  • the translation success history 23 stores a set of a character string, a translation result, and the number of extractions extracted by the translation history extraction unit 16.
  • an index that is individual identification information is assigned to the correspondence between each character string and the translation result.
  • the translation history extraction unit 16 selects a character string similar to the character string translated by the translation unit 13, Extracted from the pre-translation character strings of all indexes stored in the translation success history 23.
  • FIG. 3 is an explanatory diagram for explaining an outline of the operation of the translation apparatus 1.
  • the translation device 1 stores appropriate dictionaries in the dictionary 22, and is therefore not limited to English to Japanese translation, and can translate between arbitrary languages.
  • the character string detection unit 12 detects the character string included in the image data
  • the character string “I play tenis” is the character string “tenis” in the English-Japanese dictionary stored in the dictionary 22. Since it does not exist, the translation unit 13 cannot translate “tenis” and outputs a translation result “I do tenis” to the success / failure determination unit 14. Since the character string “tenis” that could not be translated is included in the translation result as it is, the success / failure determination unit 14 determines that the translation has failed.
  • the translation history extraction unit 16 receives information that the translation has failed from the success / failure determination unit 14 and the character string “I play tenis” that has failed to translate. Then, the translation history extraction unit 16 searches for a character string that has been successfully translated in the past, which is stored in the translation success history 23, and from among them, a character string “I play tennis” similar to “I play tenis”. To extract. The character string “I play tenis” and the character string “I play tennis” are very similar because they are equal to each other by only one editing process of inserting one character “n” into “tenis”. Yes. Therefore, the translation history extraction unit 16 outputs “I play tennis” translated from the character string “I play tennis” stored in the translation success history 23 to the display control unit 17. The display control unit 17 then controls the display device 4 to display the input character string “I play tennis” as a translation of the character string detected by the character string detection unit 12 from the image data.
  • the translation device 1 when the translation apparatus 1 displays the translation result corresponding to the character string from the image data, the translation device 1 relates to the character string successfully translated in the past and the translation result stored in the translation success history 23.
  • the information is displayed as a translation for the character string detected from the image data.
  • a translation that is considered appropriate by using past translation results for a character string similar to the character string. Can be displayed. Therefore, even if the translation of the character string included in the image data fails, an appropriate translation can be presented.
  • the translation apparatus 1 can display the translation considered to be appropriate as the translation of the character string that failed to translate not only for words but also for sentence translation.
  • FIG. 4 is a flowchart showing an example of the flow of processing performed by the translation apparatus 1 shown in FIG.
  • the character string detection unit 12 When the image acquisition unit 11 acquires image data captured by the camera 3 (S1), the character string detection unit 12 performs character recognition by OCR processing or the like, and detects a character string included in the image data as a translation target. (S2). If the image acquisition unit 11 is a moving image, the character string detection unit 12 recognizes and detects a character string for each frame image output from the camera 3 one after another.
  • the character string detected in S2 is then output to the translation unit 13, and the translation unit 13 translates the input character string (S3).
  • the success / failure determination unit 14 determines whether there is a character string (in the example shown in FIG. 3, “tenis” corresponds to this) that cannot be translated into a character string in the translation processing performed by the translation unit 13. It is determined whether or not it is successful (S4: determination step).
  • the storage control unit 15 associates the pre-translation character string with the post-translation character string, and translates successfully.
  • S5 Storage control step
  • the translated character string is output to the display control unit 17 by the success / failure determination unit 14 and displayed on the display device 4 (S6).
  • the translation history extraction unit 16 adds the character string that cannot be translated to the pre-translation character string stored in the translation success history 23. It is searched whether or not there is a pre-translation character string similar to the character string including (S7).
  • the translation history extraction unit 16 The post-translation character string corresponding to the pre-translation character string most similar to the character string including the column is extracted and output to the display control unit 17 (S8: extraction step).
  • the display control unit 17 controls the display device 4 to display the translated character string as a translation result (S8: display control step).
  • the translation history extraction unit 16 increments the number of translation results extracted from the translated character string (see FIG. 3).
  • FIG. 5 is a diagram for explaining the translation success history 23 which is a premise of the translation result storing process shown in FIG.
  • the numbers 1 to n given to each translation result are the same as the indexes shown in FIG. 2, and the number of translation results that can be stored in the translation success history 23 is a finite number n. That is, n is the upper limit of the number of translation results that can be stored in the translation success history 23.
  • the storage control unit 15 associates the pre-translation character string that has been successfully translated with the post-translation character string, and translates successfully. 23 (S5 in FIG. 4).
  • the storage control unit 15 updates the translation results in order from the smallest number of extractions.
  • FIG. 6 is a flowchart illustrating an example of a detailed process flow of the storage process (S5) illustrated in FIG.
  • the storage control unit 15 determines whether the pre-translation character string that has been successfully translated is a character string that has already been saved in the translation success history 23 at that time (S51). If it is a saved character string (YES in S51), the newly translated character string that has been successfully translated is not saved. Thereby, it is possible to avoid the same translation result being stored in the translation success history 23 in duplicate. Therefore, a finite number of translation results that can store the translation success history 23 can be used effectively.
  • the storage control unit 15 increments the total number of storages (S52).
  • the total number of times of storage is the number of times translation results are stored in the translation success history 23 by the storage control unit 15. That is, each time the storage control unit 15 performs the process of storing the translation result of the character string that is not stored in the translation success history 23, the number of each storage process is stored from the start of counting.
  • the storage control unit 15 confirms the n translation results shown in FIG. 5, that is, the number of extractions of the translation result n from the translation result 1 (S53), and the number of translation results extracted with the smallest number of extractions. p is determined (S54).
  • the storage control unit 15 sets the translation result index to k + 1 (S55). That is, the translation result k + 1 corresponding to the index next to the translation result k stored immediately before is set as the first change candidate.
  • the translation result is changed to a new translation result (S57).
  • the index is equal to n (S58). That is, when the number of pairs of the character string, the translation result, and the number of extractions extracted by the translation history extraction unit 16 stored in the translation success history 23 has reached the upper limit n, the storage control unit 15 After deleting the pair with the smallest number of extractions from the translation success history 23, the newly translated character string and the translation result of the character string are associated with each other and stored in the translation success history 23.
  • the index of the translation result as the next change candidate is set to 1 (S59).
  • the index is not equal to n (less than n) (NO in S58)
  • the translation result k + 1 corresponding to the next index of the translation result k stored immediately before is set as the first change candidate, and thereafter, the translation result index as the change candidate is set one by one. Set backward. Then, it is sequentially checked whether or not the number of extractions of each translation result corresponding to the set index is the smallest, and the translation result with the smallest number of extractions is changed to a new translation result. As a result, it is possible to avoid that the translation result k that has just been updated is immediately updated by the storage process performed immediately thereafter.
  • the value of the number of extractions of each translation result is halved (S62).
  • the number of extractions of each translation result stored in the translation success history 23 when the storage processing performed by the storage control unit 15 reaches a predetermined number T from the start of counting may be a value as shown in FIG.
  • the number of extractions of index 1 is 2 (a value obtained by halving 5 and truncating the decimal point)
  • the number of extractions of index 2 is 12, and the number of extractions of index n is 3.
  • the total number of times of storage is reset, and the count of the number of times that a new storage process is performed is started (S63).
  • the storage control unit 15 counts the number of times that the character string and the translation result of the character string are associated and stored in the translation success history 23, and when the number exceeds the predetermined value, the character string The number of extraction times associated with is reduced.
  • the translation apparatus 1 may be configured to reduce the value of the number of extractions every fixed period so that the translation result that is stored in the translation success history 23 for a long period is less likely to occur.
  • the fixed period is defined by the number T of times the storage process is performed, but is not limited thereto, and the number of times the translation process is performed using the translation device 1, the character You may prescribe
  • the storage control unit 15 determines whether the newly translated character string that has been successfully translated is a character string that has already been saved in the translation success history 23 at that time.
  • the configuration may be such that the number of times of processing is incremented.
  • the storage control unit 15 counts the total number of times that the character string has been successfully translated, and when the total number exceeds a predetermined value, the value of the number of extraction times associated with the character string is reduced. That is, even in the case of a stored character string, it is incremented as the total number of times that the character string has been successfully translated, and the total number of times that the character string has been successfully translated has reached a natural number times the predetermined number T in S61.
  • the value of the number of extractions of each translation result may be halved. As a result, even when only the stored character string is translated, it is possible to avoid storing the translation result history stored in the translation success history 23 in the storage unit without updating it.
  • the number of extractions may be divided by an arbitrary number greater than 1, or a positive integer or 0 of a value obtained by subtracting a predetermined numerical value from the number of extractions may be derived.
  • One or more other various operations may be applied.
  • the predetermined value is set to 24, the number of extractions of the translation result of the index 2 in FIG. 2 is 24, and since this predetermined value has been reached, the value of the number of extractions of the index 2 is half of 12. .
  • the number of extractions of index 1, index n, and the like is a value lower than the predetermined value 24, and is not calculated to decrease. Thereby, the upper limit of the value of the number of extractions is set according to the value set as the predetermined value.
  • the storage control unit 15 performs control so as to reduce the value of the number of extractions as appropriate. Thereby, it can avoid storing the translation result with many extraction frequency in a memory
  • the control block (particularly, the character string detection unit 12, the translation unit 13, the success / failure determination unit 14, the storage control unit 15, the translation history extraction unit 16, and the display control unit 17) of the translation apparatus 1 is an integrated circuit (IC chip) or the like. It may be realized by a logic circuit (hardware) formed in the above, or may be realized by software using a CPU (Central Processing Unit).
  • IC chip integrated circuit
  • CPU Central Processing Unit
  • the translation apparatus 1 includes a CPU that executes instructions of a program that is software that implements each function, a ROM (Read Only Memory) in which the program and various data are recorded so as to be readable by a computer (or CPU), or A storage device (these are referred to as “recording media”), a RAM (Random Access Memory) for expanding the program, and the like are provided.
  • a computer or CPU
  • the recording medium a “non-temporary tangible medium” such as a tape, a disk, a card, a semiconductor memory, a programmable logic circuit, or the like can be used.
  • the program may be supplied to the computer via an arbitrary transmission medium (such as a communication network or a broadcast wave) that can transmit the program.
  • a transmission medium such as a communication network or a broadcast wave
  • the present invention can also be realized in the form of a data signal embedded in a carrier wave in which the program is embodied by electronic transmission.
  • the translation device 1 is a translation device that translates a character string included in input image data and displays a translation result, and the success or failure of translation of the character string detected from the image data.
  • the storage control means stores the character string and the translation result in association with each other in the storage section 2.
  • an extraction unit (translation history extraction unit 16) that extracts a character string similar to the character string from the storage unit
  • the extraction unit Display control means (display control unit 17) for displaying the translation result corresponding to the similar character string extracted by as the translation of the detected character string.
  • the translation device is the translation apparatus according to aspect 1, wherein the storage control unit further associates the character string with the number of extractions of the character string extracted by the extraction unit. May be stored.
  • the character string and the number of times the character string is extracted by the extracting unit are associated with each other and stored in the storage unit. Therefore, it is possible to appropriately evaluate how much the translation result corresponding to the character string that has been successfully translated in the past has been used as the translation corresponding to the character string that has failed to be translated.
  • the number of sets of the character string, the translation result, and the number of extractions that can be stored in the storage unit in the aspect 2 has an upper limit value
  • the storage unit If the number of the pairs stored in the table reaches the upper limit value, the storage control means deletes the pair with the smallest number of extractions from the storage unit, and then newly translates the character string that has been successfully translated. And the translation result may be associated with each other and stored in the storage unit.
  • the storage control unit counts the number of times the character string and the translation result are associated with each other and stored in the storage unit. When the value exceeds a predetermined value, the value of the number of extractions associated with the character string may be reduced.
  • a translation apparatus is a method for controlling a translation apparatus that translates a character string included in input image data and displays a translation result, the translation of a character string detected from the image data
  • the determination step for determining success / failure of the above and the determination step
  • the storage control step for storing the character string and the translation result in association with each other in the storage unit and the determination step in the determination step, If it is determined that the translation has failed, an extraction step for extracting a character string similar to the character string from the storage unit, and a translation result corresponding to the similar character string extracted in the extraction step are detected.
  • a display control step for displaying the result as a translation result of the character string.
  • the translation device may be realized by a computer.
  • the translation device is realized by the computer by causing the computer to operate as each unit included in the translation device.
  • a control program and a computer-readable recording medium on which the control program is recorded also fall within the scope of the present invention.
  • the present invention can be used for a portable terminal that displays a translation corresponding to a character string in image data and translation application software distributed via a communication line.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Machine Translation (AREA)
  • Document Processing Apparatus (AREA)

Abstract

L'invention est caractérisée en ce que, dans l'éventualité de l'échec d'une traduction par une unité (13) de traduction, une unité (16) d'extraction d'enregistrements de traduction extrait une chaîne de caractères similaire à la chaîne de caractères concernée par l'échec de traduction à partir d'un enregistrement (23) de traduction réussie où sont stockées des chaînes de caractères traduites avec succès dans le passé, et une unité (17) de commande d'affichage affiche un résultat de traduction qui correspond à la chaîne de caractères similaire en tant que traduction pour la chaîne de caractères concernée par l'échec de traduction, réduisant ainsi les échecs de traduction de chaînes de caractères comprises dans des données d'images.
PCT/JP2014/072050 2013-11-28 2014-08-22 Dispositif de traduction et procédé de commande d'un dispositif de traduction WO2015079752A1 (fr)

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JP2013246528A JP6320732B2 (ja) 2013-11-28 2013-11-28 翻訳装置、および翻訳装置の制御方法
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11272671A (ja) * 1998-03-20 1999-10-08 Toshiba Corp 機械翻訳装置及び機械翻訳方法
JP2003178067A (ja) * 2001-12-10 2003-06-27 Mitsubishi Electric Corp 携帯端末型画像処理システム、携帯端末およびサーバ
JP2010186339A (ja) * 2009-02-12 2010-08-26 Toshiba Corp 通訳装置、方法、及びプログラム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0764991A (ja) * 1993-08-25 1995-03-10 Casio Comput Co Ltd 定型文書入力装置
JP2004078485A (ja) * 2002-08-15 2004-03-11 Oki Electric Ind Co Ltd 翻訳支援システムおよび方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11272671A (ja) * 1998-03-20 1999-10-08 Toshiba Corp 機械翻訳装置及び機械翻訳方法
JP2003178067A (ja) * 2001-12-10 2003-06-27 Mitsubishi Electric Corp 携帯端末型画像処理システム、携帯端末およびサーバ
JP2010186339A (ja) * 2009-02-12 2010-08-26 Toshiba Corp 通訳装置、方法、及びプログラム

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