WO2006060263A2 - Procede et dispositif de saisie d'ideogrammes - Google Patents

Procede et dispositif de saisie d'ideogrammes Download PDF

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Publication number
WO2006060263A2
WO2006060263A2 PCT/US2005/042562 US2005042562W WO2006060263A2 WO 2006060263 A2 WO2006060263 A2 WO 2006060263A2 US 2005042562 W US2005042562 W US 2005042562W WO 2006060263 A2 WO2006060263 A2 WO 2006060263A2
Authority
WO
WIPO (PCT)
Prior art keywords
ideographic
candidate
character
display area
indicia
Prior art date
Application number
PCT/US2005/042562
Other languages
English (en)
Other versions
WO2006060263A3 (fr
Inventor
Li-Xin Zhen
Yong Ge
Feng-Jun Guo
Original Assignee
Motorola Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc. filed Critical Motorola Inc.
Publication of WO2006060263A2 publication Critical patent/WO2006060263A2/fr
Publication of WO2006060263A3 publication Critical patent/WO2006060263A3/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/018—Input/output arrangements for oriental characters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0233—Character input methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units

Definitions

  • the invention relates generally to a method and device for performing ideographic character input.
  • the invention is particularly useful for, but not necessarily limited to, performing automatic recognition of a series of letters representing at least one ideographic character scribed on a touch screen of an electronic device.
  • Electronic devices increasingly include a user interface in the form of a touch screen, particularly small electronic devices such as mobile telephones and Personal Digital Assistants (PDAs).
  • touch screens enable a user to input information by virtue of, for example, virtual buttons or character recognition.
  • character recognition a character is hand scribed in a scribing area of the touch screen and character recognition software determines one or more candidate characters corresponding to the hand scribed character.
  • Such techniques are particularly useful for inputting complex ideographic characters that appear in languages such as Chinese, Japanese and Korean.
  • ideographic characters are large in number. For example, one known Chinese language standard defines over 6,700 simplified Chinese characters that are used in mainland China, while another standard defines over 13,000 traditional characters that are used in Taiwan. Hence, it can be difficult for even an educated person to remember all the characters or even a relatively small subset of the characters.
  • the touch screen is often relatively small, especially for mobile telephones and PDAs, and the scribing area is typically even smaller than the size of the touch screen, it can be difficult for the user to scribe the ideographic characters in the scribing area, especially the more complex characters, which may comprise many strokes. Also, recognition errors can occur when letters or ideographic characters are scribed on the touch screen.
  • a series of alphabetical letters represents at least one ideographic character.
  • the user can therefore input a character to an electronic device in a PinYin mode when they cannot remember, or do not wish to scribe, the- ideographic character in an ideographic character input mode of the device.
  • the series of alphabetical letters may represent more than one ideographic character.
  • the series of alphabetical letters "shuang" may represent
  • the invention is a method for performing ideographic character input via a user interface of an electronic device, the method comprising: receiving at least one indicia scribed in a scribing area of the user interface, the indicia representing at least one ideographic character; identifying a group of candidate words from the indicia; displaying representative candidate ideographic characters in a first display area of the user interface, each one of the representative candidate ideographic characters corresponding to a different one of the candidate words; displaying alternative ideographic characters in a second display area of the user interface, the alternative ideographic characters corresponding to one of the candidate words; and receiving a selection request to thereby input one of the candidate ideographic characters to the electronic device.
  • the indicia may be a series of scribed alphabetical letters.
  • the indicia may be a representation of an ideographic character.
  • the identifying a group of candidate words may include performing character recognition on the indicia.
  • the alternative ideographic characters may be displayed in a predefined order determined by statistical analysis.
  • the method may further include displaying alternative ideographic characters corresponding to a different candidate word when a different representative candidate ideographic character is selected.
  • the invention is an electronic device for performing ideographic character input, said electronic device comprising: a processor for identifying a group of candidate words from at least one indicia; a user interface coupled to be in communication with the processor, the user interface comprising: a scribing area for receiving the indicia scribed therein, the series of letters representing at least one ideographic character; a first display area for displaying representative candidate ideographic characters, each one of the representative candidate ideographic characters corresponding to a different one of the candidate words; a second display area for displaying alternative ideographic characters corresponding to one of the candidate words; and a third display area for displaying one of the candidate ideographic characters input to the electronic device in response to the processor receiving a selection request therefor.
  • the processor performs character recognition on the indicia to identify the group of candidate words.
  • the indicia may be a series of scribed alphabetical letters.
  • the indicia may be a representation of an ideographic character.
  • the second display area displays the alternative ideographic characters in a predefined order determined by statistical analysis.
  • the second display area displays alternative ideographic characters corresponding to a different candidate word when a different representative candidate ideographic character displayed in the first display area is selected.
  • FIG. l is a schematic diagram illustrating an embodiment of an electronic device according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram illustrating an embodiment of a user interface when a series of alphabetical letters is scribed on a screen 105 of the device of FIG. 1 ;
  • FIG. 3 is a flow diagram illustrating a method for performing ideographic character input via the user interface of FIG. 2;
  • FIG. 4 is a schematic diagram of the user interface of FIG. 2 illustrating further the method when a series of alphabetical letters is scribed on a screen 105 of the device of FIG. 1 ;
  • FIG. 5 is a schematic diagram of the user interface of FIG. 2 illustrating further the method when an indicia representing an ideographic character is scribed on a screen 105 of the device of FIG. 1.
  • FIG. 1 there is a schematic diagram illustrating an electronic device 100 in the form of a mobile station or mobile telephone comprising a radio frequency communications unit 102 coupled to be in communication with a processor 103.
  • the electronic device 100 also has a user interface in the form of a touch screen 105 coupled to be in communication with the processor 103.
  • a keypad 106 coupled to be in communication with the processor 103, may also be provided.
  • the processor 103 includes an encoder/decoder 111 with an associated code Read Only Memory (ROM) 112 for storing data for encoding and decoding voice or other signals that may be transmitted or received by the mobile telephone 100.
  • the processor 103 also includes a micro-processor 113 coupled, by a common data and address bus 117, to the encoder/decoder 111, a character Read Only Memory (ROM) 1 14, a Random Access Memory (RAM)
  • the static programmable memory 1 16 and a RUIM card 119 (commonly referred to as a Subscriber Identity Module (SIM) card) operatively coupled to the RUIM interface 118 each can store, amongst other things, Preferred Roaming Lists (PRLs), subscriber authentication data, selected incoming text messages and a Telephone Number Database (TND phonebook) comprising a number field for telephone numbers and a name field for identifiers associated with one of the numbers in the name field. For instance, one entry in the Telephone Number Database may be 91999111 1 11 (entered in the number field) with an associated identifier "Steven C!
  • the RUIM card 119 and static memory 116 may also store passwords for allowing accessibility to password-protected functions on the mobile telephone 100.
  • the micro-processor 113 has ports for coupling to the touch screen 105, keypad 106 and an alert 115 that typically contains an alert speaker, vibrator motor and associated drivers. Also, micro-processor 113 has ports for coupling to a microphone 135 and communications speaker 140.
  • the character Read Only Memory 114 stores code for decoding or encoding text messages that may be received by the communications unit 102. In this embodiment the character Read Only Memory 114, RUIM card 119, and static memory 1 16 may also store Operating Code (OC) for the micro-processor 113 and code for performing functions associated with the mobile telephone 100.
  • OC Operating Code
  • the radio frequency communications unit 102 is a combined receiver and transmitter having a common antenna 107.
  • the communications unit 102 has a transceiver 108 coupled to the antenna 107 via a radio frequency amplifier 109.
  • the transceiver 108 is also coupled to a combined modulator/demodulator 110 that couples the communications unit 102 to the processor 103.
  • the electronic device 100 can be any electronic device including a radio telephone, a conventional type telephone, a laptop computer, a tablet personal computer (PC) or a PDA.
  • a user can select an application by traversing menus or selecting icons displayed on the touch screen 105.
  • the touch screen 105 can be integral with or an accessory to the electronic device 100.
  • the touch screen 105 has an incorporated driver that is controllable by micro-processor 1 13.
  • the touch screen 105 is a two-way user interface for typically allowing data entry, invoking device applications and commands, menu traversing, displaying text, displaying graphics and displaying menus. Data entry and other user input requirements to the touch screen 105 is typically by use of a stylus and may involve scribing characters onto the touch screen 105 as will be apparent to a person skilled in the art.
  • the user interface in this embodiment is in the form of a touch screen 105, the user interface can be any means of inputting scribed indicia to the electronic device 100, such as a tablet or electronic touch sensitive pad and the like.
  • the electronic device 100 for performing ideographic character input comprises the processor 103 for identifying a group of candidate words from at scribed (handwritten) indicium that can be a series of alphabetical letters 200.
  • the user interface in the form of the touch screen 105 which is coupled to be in communication with the processor 103, comprises a scribing area 201 for receiving the series of alphabetical letters 200 scribed therein.
  • the series of alphabetical letters 200 represents at least one ideographic character.
  • the touch screen 105 also comprises a first display area 202 for displaying representative candidate ideographic characters 203. Each one of the representative candidate ideographic characters 203 corresponds to a different one of the candidate words.
  • the touch screen 105 comprises a second display area 204 for displaying alternative ideographic characters 205 corresponding to one of the candidate words.
  • the touch screen 105 also comprises a third display area 206 for displaying one of the candidate ideographic characters input to the electronic device 100 in response to the processor 103 receiving a selection request therefor.
  • this third display area 206 displays text comprising the selected candidate characters.
  • a method 300 for performing ideographic character input via the user interface in the form of the touch screen 105 is primarily performed by the processor 103 and comprises a start operation 301 typically invoked by an interrupt when a user selects a handwriting input mode.
  • the handwriting (indicium or indicia) as illustrated is in the form of the series of alphabetical letters 200 and in one entry mode the handwriting input mode employs the PinYin input method. In one alternative entry mode, the handwriting input mode employs the ZhuYin input method or any other similar method as will be apparent to a person skilled in the art.
  • the method 300 comprises an operation of receiving 302 a series of scribed alphabetical letters 200 scribed in the scribing area 201 of the touch screen 105.
  • the series of letters represent at least one ideographic character.
  • the method comprises identifying 303 a group of candidate words from the series of alphabetical letters 200.
  • the identifying303 the group of candidate words includes the processor 103 performing character recognition on the series of alphabetical letters 200.
  • This character recognition of each letter in the series of alphabetic letters 200 includes segmentation, normalization and template matching as well as detecting when a user has completed scribing the series of scribed alphabetical letters 200 by use of a timeout routine or otherwise. Character recognition is well known by a person skilled in the art and for the sake of brevity a detailed description thereof is not required in this specification.
  • each candidate word in the left hand column has at least one corresponding candidate ideographic character in the right hand column:
  • the method 300 comprises an operation of displaying 304 representative candidate ideographic characters 203 in the first display area 202 of the touch screen 105.
  • Each one of the representative candidate ideographic characters 203 is displayed in the first display area 202 of the touch screen 105.
  • candidate ideographic characters 203 (M, fe, ⁇ , $£, H) corresponds to a different one of the candidate words.
  • each of the representative candidate ideographic characters 203 displayed in the first display area 202 corresponds to the first candidate ideographic character for each candidate word shown in Table 1.
  • Method 300 comprises displaying 305 alternative ideographic characters
  • the alternative ideographic characters 205 in the second display area 204 of the touch screen 105 correspond to one of the candidate words.
  • the alternative ideographic characters 205 in the second display area 204 correspond to the candidate word "shuang".
  • the alternative ideographic characters 205 are displayed in the second display area 204 in a predefined order determined by statistical analysis. For example, statistical analysis of a language database can yield the words used most frequently in a particular language. Therefore, in one embodiment, the most frequently used ideographic character is displayed in the first display area 202 as the representative candidate ideographic character 203 and alternative ideographic characters 205 are displayed in the second display area 204 in order of their frequency of use. In the embodiment shown in FIG. 2, the representative candidate ideographic character 203 displayed in the first display area 202 is also displayed in the second display area 204 as one of the alternative ideographic characters 205.
  • the frequencies with which ideographic characters are input to the electronic device 100 by the user are recorded.
  • the order in which alternative ideographic characters 205 are displayed in the second display area 204 may then be determined by the frequency with which they are used by the user.
  • scrolling arrows 207 of the touch screen can be selected to display further alternative ideographic characters 205 in the second display area 204.
  • the scrolling arrows 207 may be selected when the second display area 204 is unable to display all the alternative ideographic characters 205 corresponding to a candidate word (in this example the alternative ideographic characters 205 for shuang are displayed in Fig. 2) .
  • a user determines at a test block 306 whether the desired candidate ideographic character has been displayed in the second display area 204. If no desired candidate character has been displayed in the second display area 204 then the user can select another desired candidate character by touching the appropriate candidate character 203 in the first display area 202. Thus, referring to FIG. 4, if the desired candidate ideographic character has not been initially displayed in display area 204 after selectively operating the scrolling arrows, the method 300 further includes displaying 309 alternative ideographic characters corresponding to a different candidate word when a different representative candidate ideographic character 208 is selected.
  • the alternative ideographic characters 205 displayed in the second display area 204 illustrated in FIG. 4 correspond to the candidate word "shuan", which is the second candidate word shown in Table 1.
  • the user selects the desired candidate ideographic character by touching the appropriate character in the second display area 204.
  • a selection request is generated at block 306 and the method proceeds to a block 307 wherein in response to the processor 103 receiving the selection request, the selected ideographic character is input to an ideographic character string, such as a text message, in the third display area 206 of the touch screen 105 of the electronic device 100.
  • This selection request automatically clears the scribing area 201 in anticipation of another series of scribed alphabetical letters 200 being scribed thereon.
  • a user can then select to enter another character by simply scribing another series of scribed alphabetical letters 200 in the scribing area 201. If this scribing is detected at a test block 310 then the method 300 returns to receiving 302. Alternatively, the user can select a finish entering option, at test block 310, by actuating a key 212 on screen 105 thus completing entering text in the third display area 206 and ending the method 300 at a block 311.
  • the scribing area 201 , first display area 202 and second display area 204 are refreshed (cleared).
  • the areas 201 ,202and 204 are refreshed by the user selecting a refresh button 210 on the screen 105 that essentially performs a refresh interrupt that can be invoked at any block of the method 300. This refresh interrupt results in the method 300 returning to the block where receiving 302 is performed for receiving 302 a new series of scribed alphabetical letters 200 and to prepare the display areas 201, 202 for displaying ideographic characters.
  • the scribed indicia or indicium are the series of alphabetical letters 200.
  • the indicia is an ideographic character 500 and not the series of alphabetical letters 200. Accordingly, ideographic character recognition is performed in block 303 and most of the representative candidate ideographic characters 203 in the first display area 202 illustrated in Fig. 5 will be different than those illustrated in Fig. 2 even though the intention of the user could be scribe the indicia to input
  • the present invention is therefore an electronic device and a method for performing ideographic character input via a user interface of the electronic device that enables a user to input ideographic characters by scribing a series of alphabetical letters representing at least one ideographic character in a scribing area of the user interface from which candidate words are identified.
  • the user does not need to remember all the ideographic characters because the method and device display representative candidate ideographic characters identified from the scribed series of alphabetical letters, each representative candidate ideographic character corresponding to a different one of the candidate words.
  • alternative ideographic characters corresponding to one of the candidate words are also displayed.
  • Alternative ideographic characters corresponding to a different candidate word are displayed when a different representative candidate ideographic character is selected to provide the user with further choices.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • User Interface Of Digital Computer (AREA)
  • Document Processing Apparatus (AREA)
  • Character Discrimination (AREA)

Abstract

Cette invention concerne un procédé (300) de saisie de caractères idéographiques via une interface utilisateur sous la forme d'un écran tactile (105) de dispositif électronique (100), consistant à recevoir (302) une série de caractères alphabétiques (200) écrits à la main dans une zone d'écriture (201) de l'écran tactile (105), la série de caractères alphabétiques représentant au moins un caractère idéographique. On identifie (303) un groupe de mots candidats à partir de la série de caractères alphabétiques et l'on affiche (304) des caractères idéographiques candidats représentatifs (203) dans une première zone d'affichage (202) de l'interface utilisateur, chacun des caractères idéographiques candidats représentatifs correspondant à un mot candidat différent. Le procédé consiste en outre à afficher (305) d'autres caractères idéographiques (205) dans une seconde zone d'affichage (204) de l'interface utilisateur, ces autres caractères idéographiques correspondant à l'un des mots candidats, et à recevoir (307) une demande de sélection pour la saisie de l'un des caractères idéographiques candidats dans le dispositif électronique (100).
PCT/US2005/042562 2004-11-30 2005-11-22 Procede et dispositif de saisie d'ideogrammes WO2006060263A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200410096412.6 2004-11-30
CNB2004100964126A CN100394363C (zh) 2004-11-30 2004-11-30 执行表意字符输入的方法和装置

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WO2006060263A2 true WO2006060263A2 (fr) 2006-06-08
WO2006060263A3 WO2006060263A3 (fr) 2007-02-22

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JP (1) JP2006155622A (fr)
KR (1) KR20070074652A (fr)
CN (1) CN100394363C (fr)
WO (1) WO2006060263A2 (fr)

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WO2008100951A2 (fr) * 2007-02-12 2008-08-21 Google Inc. Procédé de saisie contextuelle
WO2009111089A1 (fr) * 2008-03-04 2009-09-11 Synaptics Incorporated Présentation d’un menu
CN101833420A (zh) * 2010-05-19 2010-09-15 鸿富锦精密工业（深圳）有限公司 具有触摸面板的电子装置
US20180129300A1 (en) * 2015-04-01 2018-05-10 Beijing Qihoo Technology Company Limited Input-based candidate word display method and apparatus

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CN102193641B (zh) * 2010-03-09 2014-06-18 阿里巴巴集团控股有限公司 字符输入过程中的待选字符显示方法及装置
CN103677645B (zh) * 2012-09-11 2017-06-27 联想(北京)有限公司 一种候选对象显示方法和装置

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US6646573B1 (en) * 1998-12-04 2003-11-11 America Online, Inc. Reduced keyboard text input system for the Japanese language
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Publication number Priority date Publication date Assignee Title
WO2008100951A2 (fr) * 2007-02-12 2008-08-21 Google Inc. Procédé de saisie contextuelle
WO2008100951A3 (fr) * 2007-02-12 2009-03-19 Google Inc Procédé de saisie contextuelle
JP2010518534A (ja) * 2007-02-12 2010-05-27 グーグル・インコーポレーテッド 文脈上の入力方法
US8028230B2 (en) 2007-02-12 2011-09-27 Google Inc. Contextual input method
TWI475406B (zh) * 2007-02-12 2015-03-01 Google Inc 取決於上下文之輸入方法
WO2009111089A1 (fr) * 2008-03-04 2009-09-11 Synaptics Incorporated Présentation d’un menu
US8997018B2 (en) 2008-03-04 2015-03-31 Synaptics Incorporated Presenting a menu
CN101833420A (zh) * 2010-05-19 2010-09-15 鸿富锦精密工业（深圳）有限公司 具有触摸面板的电子装置
CN101833420B (zh) * 2010-05-19 2012-08-29 鸿富锦精密工业（深圳）有限公司 具有触摸面板的电子装置
US20180129300A1 (en) * 2015-04-01 2018-05-10 Beijing Qihoo Technology Company Limited Input-based candidate word display method and apparatus

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Publication number Publication date
CN1782958A (zh) 2006-06-07
WO2006060263A3 (fr) 2007-02-22
KR20070074652A (ko) 2007-07-12
CN100394363C (zh) 2008-06-11
JP2006155622A (ja) 2006-06-15

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