WO2009127168A1 - 一种可实现灵活键盘布局的系统 - Google Patents
一种可实现灵活键盘布局的系统 Download PDFInfo
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- WO2009127168A1 WO2009127168A1 PCT/CN2009/071351 CN2009071351W WO2009127168A1 WO 2009127168 A1 WO2009127168 A1 WO 2009127168A1 CN 2009071351 W CN2009071351 W CN 2009071351W WO 2009127168 A1 WO2009127168 A1 WO 2009127168A1
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- 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
- G06F3/0237—Character input methods using prediction or retrieval techniques
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- 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]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/0486—Drag-and-drop
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- 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
- G06F3/04886—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 by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
Definitions
- the present invention relates to the field of electronic devices, and in particular, to the field of electronic device information input technology, and in particular to a system for realizing flexible keyboard layout by a user inputting text to an electronic device. Background technique
- the traditional mobile phone or portable device keyboard uses a combination of multiple characters of the button, through the accompanying software and its own dictionary file, according to the user's input button sequence to predict the word the user wants to input.
- a common input method is to construct an index tree for a keystroke sequence, and a particular keystroke sequence can be fixedly mapped to multiple words.
- the index tree is searched according to the keystroke sequence, and corresponding candidate words are found and displayed on the screen for the user to select.
- This method is closely related to the layout of the keyboard in the dictionary structure. Whenever the keyboard layout changes, it is necessary to reconstruct the dictionary structure or even redesign the software. Especially for the software keyboard on the touch screen, this method is less flexible.
- the keyboard layout cannot be flexibly changed. If the layout of the letters changes, such as from the QWERTY standard computer keyboard layout (used in the US, Asian countries), to the AZERTY keyboard layout (commonly used in European countries), you need to completely rewrite the software and dictionary files; Second, can not intelligently correct errors . If the user presses one or more of the keys, the corrected word cannot be displayed. Third, it is not convenient to input words that are not in the dictionary, such as some names, place names, email addresses, special nouns, and so on.
- a common method of automatic error correction is to use the lookup common error list to implement automatic error correction. For example, users often spell “can” errors into “csn” because on the keyboard of the QWERTY layout, the letters “a” and “s” are in adjacent positions and it is easy to press the wrong one.
- This method modifies the wrong key sequence to the correct word by looking up a list of predefined common errors, including the wrong key sequence and the correct word, such as "csn"->"can".
- the system of the present invention can flexibly adopt various keyboard layouts. For equipment manufacturers, it takes a lot of manpower and resources to transform existing software and input systems, or to purchase new software for each new language or input method. With this system, you simply define a new keyboard layout without changing the companion software. This provides a faster and more convenient solution for localization in multiple languages. At the same time, for the user, the keyboard layout can be customized according to their own usage habits, which is more flexible and practical.
- the system of the present invention can implement a more effective and practical error correction method to solve the problem that the user often presses the wrong key on the reduced keyboard.
- the system of the present invention can quickly and comprehensively correct errors under the actual computing power of ordinary portable devices, and allows the user to set the error correction range, which is a practical and practical error correction method.
- the system of the present invention can determine candidate words that are most suitable for the current context according to the context of the text, combined with grammatical analysis, and improve the accuracy of the candidate words.
- a system for implementing flexible keyboard layout for inputting text to an electronic device comprising an input module for detecting an input of a user; a layout mapping module connected to the input module, The layout mapping module maps at least one input of the user into a corresponding at least one character set according to the current keyboard layout; a dictionary module for storing the candidate words; and a candidate word module connected to the dictionary module and the layout mapping module And the candidate word module generates an input sequence according to the corresponding plurality of character sets, and searches for and sorts possible candidate words according to the input sequence; and connects to the candidate word module and outputs the candidate words.
- Output module comprising an input module for detecting an input of a user; a layout mapping module connected to the input module, The layout mapping module maps at least one input of the user into a corresponding at least one character set according to the current keyboard layout; a dictionary module for storing the candidate words; and a candidate word module connected to the dictionary module and the layout mapping module And the candidate word module generates an input sequence according to the corresponding plurality of
- a method of implementing a flexible keyboard layout for inputting text to an electronic device comprising the first step of waiting for a user input signal; converting the user input signal to a character according to a current keyboard layout a second step of the character set including the possible corresponding characters input by the user; the third step of adding the character set to the current input sequence; The current input sequence, the fourth step of generating candidate words and sorting by priority; displaying the fifth step of the candidate words.
- a method of quickly switching a keyboard layout includes a first step of displaying a keyboard layout on a tactile display device; a second step of waiting for a user contact to move on the touch screen; The third step of moving the original keyboard layout out of the screen in the direction of contact movement; the fourth step of moving the new keyboard layout into the screen in the direction of contact movement.
- a method of dynamically changing a keyboard layout includes a first step of displaying a plurality of keys on a tactile display device; detecting a second movement of a user after pressing a button on a button Step; detecting the third step of the user releasing the position of the contact; adjusting the keyboard layout, adjusting the button to the position corresponding to the release contact position, and displaying the fourth step of the updated keyboard layout.
- FIG. 1A-1E are schematic diagrams illustrating various different keyboard layouts in accordance with an embodiment of the present invention.
- FIG. 2A is a schematic diagram illustrating an candidate word and its related words according to an embodiment of the present invention
- FIG. 2B is an example BRIEF DESCRIPTION OF THE DRAWINGS
- FIG. 2C-2D are diagrams illustrating the prediction of a next word according to the foregoing, in accordance with an embodiment of the present invention.
- FIG. 3 is a hardware block diagram illustrating an embodiment of the present invention.
- FIG. 4 is a structural diagram illustrating a system module according to an embodiment of the present invention.
- FIG. 5 is a flow chart illustrating a user completing an input according to an embodiment of the present invention
- FIG. 6 is a schematic view illustrating information contained in each key in a layout module according to an embodiment of the present invention
- Figure 7 is a schematic view illustrating an accurate input of a key unfolding according to an embodiment of the present invention.
- FIG. 8 is a schematic diagram showing a dictionary structure for realizing quick search for candidate words according to an embodiment of the present invention.
- Figure 9 is a flow chart illustrating the generation of candidate words in accordance with an embodiment of the present invention
- Figure 10 is a general illustration of a method for enabling flexible keyboard layout for inputting text to an electronic device in accordance with an embodiment of the present invention.
- flow chart; 11A-11C are schematic diagrams illustrating a process of quickly switching a keyboard layout according to an embodiment of the present invention
- Figure 12 is a general flow diagram illustrating the implementation of a fast switching keyboard layout in accordance with an embodiment of the present invention
- FIGS. 13A-13B are schematic diagrams illustrating a process of dynamically changing a keyboard layout according to an embodiment of the present invention.
- Figure 14 is a general flow chart illustrating the dynamic change of keyboard layout in accordance with an embodiment of the present invention.
- relational terms such as left and right, up and down, before and after, first and second are used only to distinguish one entity or action from another entity or action, and do not necessarily require or imply such Any actual relationship or order between entities or actions.
- the terms "including”, “comprising” or “comprising” are intended to encompass a non-exclusive inclusion, such that a process, method, article, or device that comprises a An element, or an element inherent to such a process, method, item, or device.
- keyboard is broadly defined and includes any input component having a defined area, including but not limited to hardware mechanical keyboards, hardware inductive keyboards, software keyboards on touch screens, and the like.
- the embodiment of the present invention is exemplified by a software keyboard on a touch screen, but those skilled in the art can understand that the method and system mentioned in the present invention can also be applied to a hardware keyboard.
- FIG. 1A depicts a keyboard system 100 and its carrier portable device 101 that can implement a flexible keyboard layout in accordance with the present invention. After the user presses a key on the keyboard 110, its input content is displayed in the text area 102.
- Keyboard 110 is a QWERTY layout that contains 26 English letters, numbers, symbols, and spacebars, and each button can represent three characters.
- Figure 1B depicts another layout of the keyboard 120, which is a single Key QWERTY layout, each button represents a character, and there can be numbers and symbols between the two keys.
- Figure 1C depicts another layout of keyboards 130, which are AZERTY layouts, each of which can represent three characters.
- Figure 1D depicts another layout of the keyboard 140, which is a 9-key layout, each of which can represent three to four letters and a number, and is widely used on mobile phone keypads.
- Figure 1E depicts a user-defined layout of the keyboard 150, each of which can represent three characters, the content and order of which are customized by the user according to the usage habits.
- each key will be identified below with a first line of central characters for each key in each keyboard layout.
- the key "qw” to identify the button 111 at the top left corner of the keyboard in Figure 1A
- the key “p” to identify the button 121 at the top right corner of the keyboard in Figure 1B
- use the "wx” button to identify the bottom left corner of the keyboard in Figure 1C.
- Key use the key “wxyz” to identify the button 141 at the bottom right corner of the keyboard in Figure 1D.
- the serial number identifier is used to ensure the uniqueness of the identification method.
- the system displays the candidate words in the candidate area 103, and the default candidate words can be displayed in the text area.
- the enter key e.g., the space bar or some punctuation
- the system finds all the words in the dictionary corresponding to the key sequence, and displays them in the candidate area 103. . Since the words “tie”, “turn”, “tired”, and “yield” have the highest word frequency, they are displayed on the first page of the candidate list. The “tie” is also used as the default candidate in the text area, and is displayed in a special format (such as underlined) as unconfirmed text.
- the space bar the candidate is confirmed and entered into the text. Since the user does not explicitly specify the specific character represented by each key when the button is pressed, the candidate is matched by the dictionary, so it is called "fuzzy input”.
- the user can also make precise entries. For example, referring to FIG. 1A, on the keyboard 110 of the touch screen, the user can press and shift left and then release the key “ty” to accurately input the letter “t”; press on the key “ui” and move it to the right. , Enter the letter “ i” exactly; press on the key “ er” and move it to the right to release the letter "r”. At this point the system finds all the words beginning with “tir”: “tired”, “tiring”, “tire”, “tirade”.
- the user can enter the symbol below the contact key by sliding down the contact Or number. For example, referring to Figure 1A, the user can move the contact down on the key "gh” and enter the number "3". This eliminates the need for the user to switch to a dedicated digital mode or symbol mode.
- the user can slide the contact downward in the key “q” or the key “s” or in the middle thereof, and input the symbol ";" between the two.
- Symbols and numbers may also be part of a word in accordance with some embodiments of the invention. For example, “I'm”, “I'll”, “let's”, “C++”, “part-time”, etc. Users can easily blur input symbols or numbers on the same keyboard mode without having to switch to another symbol mode. For example, referring to FIG. 1A, on the keyboard 110, the single quotation mark “'” is on the key “ui”, and the user only needs to press the key “ui”, the key “ui”, the key “m/”, and the system can find the word. "I'm” and display it in the candidate area. According to some embodiments of the present invention, when the user wants to change the keyboard layout, for example, from the QWERTY layout of FIG.
- a predefined action allows for fast switching.
- the user can quickly slide from the left end to the right end of the keyboard area with the finger, then the QWERTY layout moves to the right and moves out of the right end of the screen, and the 9-key layout slides in from the left end of the screen, resulting in a coherent dynamic effect.
- the user can also switch to the one-button QWERTY layout shown in Figure 1B, or the AZERTY layout shown in Figure 1C, or the user-defined layout shown in Figure 1E.
- switch layouts You can detect user gestures, either with a specific button or with sound control. In this switching process, since the layout of the system and the dictionary search function are independent of each other, the same dictionary file and software can be used.
- the user can set the error correction within the range of the letter to be pressed, for example, correcting errors in all adjacent letters, or correcting only in the left and right adjacent letters, or only the letters adjacent to each other. Error correction, or error correction between two letters (such as "t” and "U"), or no error correction.
- related words of candidate words can be quickly selected. For example, referring to FIG. 2A, when the candidate word 211 "compare” appears in the candidate region, the user slides the contact down on “compare”, and the relevant word corresponding to "compare” appears in the keyboard region, "comparing", "compared” , “compares", and “comparison”. The user clicks on one of the related words to enter it into the text area.
- candidate words may be associated and provided with a phrase prediction based on the context of the text. For example, referring to Figure 2B, the user needs to enter “am” after entering “I”, but presses the adjacent key "bn” when inputting "m”. At this point, the system can determine based on context association rules.
- the candidate words in the list of candidate words are automatically predicted to form a phrase collocation with "look”, "forward to”, “at”, “into”, “for” for the user to select.
- contextual associations and phrase associations may be provided on the basis of related words. For example, referring to FIG. 2D, when the user inputs the related word “looking” of "look", the candidate word area can still predict the phrase “forward to", “at”, “into” corresponding to "look”,
- FIG. 3 depicts a block diagram of a portable device 300 to which the present invention is applicable.
- Input device 301, display device 302, and storage device 303 are coupled to processor 304 via electronic circuitry.
- the input device 301 may be a keyboard or a touch pad;
- the display device 302 may be a liquid crystal screen;
- the storage device 303 may be any memory medium such as a random access memory (RAM;), a read only memory (ROM;), a flash memory (Flash; , a hard disk, etc.;
- the processor 304 can be a CPU or an application specific integrated circuit chip.
- the input device 301 may also It is combined with display device 302, such as a touch screen.
- the storage device 303 can store all the software, including the operating system 311 and the keyboard software 310 and the like involved in the present invention. Alternatively, the storage device can also include other applications 312, such as a text editor or the like.
- the keyboard system of the present invention is managed by keyboard software 310.
- Figure 4 depicts a preferred system architecture 400 for the keyboard software.
- the system is mainly composed of an input module 401, a layout mapping module 402, a setting module 403, a candidate word module 404, a dictionary module 405, and an output module 406.
- the input module 401 is responsible for detecting user input such as a user's keys, contact actions on the touch screen, etc., and outputs to the layout mapping module 402.
- the layout mapping module maps the user input to the character set corresponding to the secondary input according to the current keyboard layout, and outputs the character set to the candidate word module 404.
- the dictionary module 405 is responsible for providing the candidate words module 404 with words in the dictionary.
- the candidate word module 404 is responsible for generating successive input character sets into an input sequence, and finding possible candidate words according to the input sequence and sorting them.
- the output module 406 is responsible for outputting the candidate words to the device in a certain manner for the user to select.
- the setup module 403 stores user and system settings, such as whether error correction is enabled, whether context is detected, etc., for use by the layout mapping module 402 and the candidate word module 404.
- Figure 5 depicts the main flow 500 of the keyboard software main program when completing the user input word selection, having the following steps: waiting for user input (step 501); determining whether to confirm the operation (step 502); if yes, entering the confirmation in the text area a word, and clearing the input sequence (step 503); if not, generating a character set corresponding to the current input in the layout mapping module 402 (step 504); forming the input sequence of the character set input this time and the previously input character set ( Step 505); generating a candidate word list in the candidate module, and prioritizing (step 506); outputting the updated candidate word list (step 507).
- the input module 401 determines whether the input confirms the operation. Confirmation can be done by pressing the space bar or confirming the key (selecting the default candidate), or by directly clicking on the candidate, or by pressing the arrow keys to select the candidate and pressing the space bar or confirm the key, or entering the punctuation automatically selects the default. Candidate words, or any other pre-specified action.
- the layout mapping module 402 can map the current input to a corresponding set of characters according to the current keyboard layout.
- This character set contains all the characters that may correspond to this input. For example, when the user presses the key "qw” in the QWERTY keyboard layout shown in Fig. 1A, the character set contains the fuzzy input characters "q", "w” on the key. When the setting is enabled for error correction, the character set can also contain characters on the adjacent keys, such as "a”, "s", "e”.
- candidate word module 404 can add the set of characters entered this time to the input sequence. For example, in the QWERTY keyboard layout shown in Figure 1A, when the user presses the key “ty”, the key After “ui” and the key “er”, the input sequence contains a set of characters entered three times: ⁇ "t” , "y” ⁇ , ⁇ "u “ , "i” ⁇ , ⁇ " e “ , “r” ⁇ . Subsequently, the candidate word module 404 can search for possible candidate words in the dictionary module 405 according to various possible combinations, such as "tie", "turn”, and the like. Finally, the candidate words can be ordered according to a preferred order. In some preferred embodiments, the candidate with the highest priority may be designated as the default candidate, that is, when the user inputs a space or other symbol, the default candidate is automatically confirmed as the word input to the text region.
- the output module 406 can display the updated list of candidate words on the screen for user selection.
- default candidate words may be displayed within the text area and highlighted in a special format.
- the input module 401 detects the user's key actions and records and outputs the relevant data of each key.
- the data related to a button can include but is not limited to:
- the output of the input module 401 may include the coordinates of the starting point at which the user pressed the key and the coordinates of the end point at which the key is released.
- the setup module 403 contains various setup information related to system operation, including user preferences, system operational modes, and the like. For example, the user can turn off error correction. Then all the errors pressed to the adjacent buttons will not be corrected; for example, the user can select the level of error correction: only correct the errors of the adjacent buttons, correct only the errors of the adjacent buttons, and correct the adjacent buttons.
- Setting module 403 is optional.
- the layout mapping module 402 has three main functions.
- the first function of the layout mapping module 402 is to define and store various layout parameters of different keyboards, such as which characters are on the keyboard, which characters are combined on one key, how to accurately select the characters on the keys, and the like.
- the letters "q", "w", and the symbol ";" are multiplexed with a key” qw Figure 6.
- the various fields of the data structure can be modified as needed without affecting the essence of the present invention. For example, you can add a field to describe whether the enlarged image is displayed above the key after the key is pressed to remind the user of the current input. For example, when the position or size of the key is fixed, the position of the key on the keyboard area can be omitted. Size information field.
- the user's different touch action definitions can also be extended. For example, you can add a corresponding input that defines "user long presses the key for more than X seconds", where X can be a configurable value; for example, you can add a corresponding input that defines "user double-clicks the key".
- the second function of the layout mapping module 402 is to store all of the keyboard layouts that may be used and switch as needed. At some point, one and only one is the currently active keyboard layout. This is the current keyboard layout that the user can see in the keyboard input area.
- the user can switch the current keyboard with a gesture on the touch screen Layout, you can also switch the current keyboard layout with a specific button on the hardware keyboard.
- the third function of the layout mapping module 402 is to map the user's original input to the set of characters that the input may correspond to based on the current keyboard layout.
- a preferred character set data structure can include a fuzzy input character set, an exact input character, and an error correction character set.
- the module when the user presses the key "qw” and directly releases it, the module first acquires the coordinates of the contact from the input module 401, and can determine the key in the key according to the current layout. Qw" on. Since the action is directly released after clicking, according to the layout data of the key "qw”, the corresponding fuzzy input character set ("q", "w", "1”, “;”) can be obtained.
- the current error correction setting is read from the setting module 403 as vertical error correction, and the lower characters "a” and "s” are obtained from the current layout as error correction characters.
- the output character set of the layout mapping module 402 is: fuzzy input character group ("q", "w", “1", “;”), precise input character (empty), error correction input character group ( "a” , “s” ).
- the layout information corresponding to the key "jkl" is as follows:
- the fuzzy input character set is ("j", "k”, "1
- the error correction character group is the adjacent character group ("m", "i") around the key "jkl”. If the user moves left and then presses (or long presses and then moves left) on the key "jkl", since this button contains a long press action, it switches to SHIFT mode, and the exact input character is ("J"), blurred. Enter the character set (empty). According to the setting information of the setting module 403, when the precise input is not empty, the system does not need to correct the error. Therefore, the error correction character set is also (empty).
- the layout mapping module 402 effectively converts the user's input into a set of characters that are independent of the keyboard layout, so the subsequent candidate word module 404 need not change the software or data structure depending on the layout.
- the layout information obtained by the layout mapping module 402 is also changed accordingly, so the output character set is also changed accordingly.
- the keyboard layout can be predefined by the phone manufacturer or customized by the user without affecting any system functions.
- the user can define the layout of the key bits, the corresponding characters on each key, and the character groups corresponding to the actions, thereby writing a keyboard layout suitable for their own usage habits.
- the input method of different language versions may also correspond to different keyboard layouts.
- the candidate word module 404 adds the character set corresponding to the current input to the input sequence, thereby searching for the corresponding word in the dictionary module 405.
- the candidate words are prioritized according to certain rules (such as word frequency, context phrases, related words, etc.), and finally the candidate words are output to the output module 406.
- the structure of the dictionary can be implemented in a wide variety of implementations, such as in a database, or in a tree structure. Accordingly, there are many ways to find possible candidates in the dictionary.
- a dictionary implementation method for quickly finding words can be exemplified, but the present invention does not rely on such a method.
- This method arranges the words in the dictionary in a tree structure as shown in FIG.
- Ni-m in the tree dictionary represents a character, where i represents the depth of the node in the tree (i-th layer).
- the node at the i-th level represents the ith character of the word.
- m represents the total number of characters in the layer, for example, there are 26 letters in English, then m can be no more than 26; if the dictionary can contain words composed of other symbols, such as don't, then m can be greater than 26.
- nodes are connected by paths Pi-j-1, Pi-j-2, ..., Pi-jm, where ij represents the parent node to which the path is connected is Ni-j.
- the sequence of nodes from the root node down to the path of a node is called the sequence of characters for that node (or the path). If the character sequence of a node is a word in the dictionary, the node is said to be a word node. If a path does not exist, the sequence of characters representing the path does not exist in the dictionary. For example, the node corresponding to the English word apple is to search for the node app-1-e in order from the root node. The node corresponding to the first letter a is on the first layer of the tree.
- the node of the second letter p is on the second level of the tree, and the node of the last letter e is the word node, and the character sequence is "apple".
- the advantage of this tree structure is that it can quickly find out if a particular sequence of letters is a word in the dictionary and the node corresponding to that word.
- Each word node can correspond to a word object, but the data structure of the word object is independent of the dictionary structure.
- a word object can contain the following information: statistic word frequency of words, related words, context association rules, alternative formats, and so on.
- the statistic word frequency of a word can be represented by a numerical value, for example, numbers 1 to 8, 8 represent the most commonly used words, and 1 represents the least commonly used words.
- Statistical word frequency can be an important consideration in the prioritization of candidate words. When other factors are not considered, the higher the word frequency, the higher the priority of the word.
- a related word of a word refers to a word associated with the word, such as a plural form of a noun, a different tense of the verb, a different part of speech of the word, and the like.
- the related words of the English word “jump” include “jumps", “naturn”, "jumped” and so on.
- the list of related words can be implemented in a pointer, that is, a word object can point to its associated other word object.
- the purpose of retaining related word information is to facilitate the user to quickly select their associated words from a word. For example, when the user sees "jump" appearing in the candidate, the system can display all the related words and select from them by some kind of pre-specified action (for example, sliding down on the word).
- Context-related rules contain contextual contextual information such as common phrase collocations and grammar guidelines for the word.
- the contextual association rule for the word “look” can include common phrase collocations "look at”, “look forward to”, “look for”, and so on.
- the context association rule of the word “am” can include the common phrase collocation "lam” and the like.
- the context association rule for the word “of” can include a grammar rule: "The word followed by it should be a noun or a gerund.” With this information, the system can prioritize candidate words through context intelligence.
- the context association rules may also be effective for each other between related words. For example, when there is "look forward to” in the context association rule, even if "looking” appears in the text, it can be associated with “forward to” because "looking” is a related word of "look".
- the alternate format is a representation of the word.
- “asap” is an abbreviation of "as soon as possible”
- the system can automatically correspond to "as soon as possible”.
- “as soon as possible” is an alternative to the word object "asap”.
- the user input "dont” can be automatically corrected to "don't” because the word object "dont” contains the alternative format "don't”.
- the word object "dont" is actually an index.
- the candidate module can preferentially output the alternate format. FIG.
- step 9 illustrates a method for generating a candidate word in the embodiment, comprising the steps of: searching for a corresponding word object as a candidate word in a dictionary according to an input sequence (step 901); and selecting a candidate for a character in the error correction character group
- the word is marked as an error correction candidate word (step 902); the related word list corresponding to the candidate word is found (step 903); the alternative form corresponding to the candidate word is found (step 904); the candidate words are prioritized (step 905) .
- the candidate word module 404 combines the input sequences formed by the character sets corresponding to the respective keys obtained by the layout mapping module 402 into possible candidate words.
- a list of candidate words can be constructed by arranging all the characters of the input sequence and selecting all the existing words existing in the dictionary module. But in reality, a button may contain multiple possible characters, and multiple keystrokes may result in more sequences of characters. As the length of the input sequence increases, if you want to list the full arrangement of all the character sequences and then look up the dictionary, the amount of calculation will be very large. Therefore, a preferred candidate word finding method of the present invention utilizes the characteristics of a dictionary tree to quickly eliminate impossible character sequences by retrieving the number of nodes.
- step 902 when the input sequence includes the error correction character set, the candidate word found in step 901 includes the error-corrected word, so in order to facilitate distinguishing it from the uncorrected common candidate word, Marked as error correction candidates.
- the probability that the user presses the key is higher than the probability of pressing a key. Therefore, in the subsequent prioritization, the error correction candidate words may have a lower priority than the ordinary candidate words.
- the alternative form found can replace the original candidate word, adding the candidate word list.
- the candidate word lookup module 404 needs to prioritize the candidate words. Factors affecting priority may include: context association rules, statistical word frequency, candidate word length, and so on.
- context association rules can be prioritized. For example, if "look forward" is entered earlier, enter the following The word is likely to be "to", not a "go" that is similar and has the same high frequency. At this time, the priority of the candidate word can be improved by comparing the context association rule of the candidate word with the preceding and following texts of the current text position, and if a certain candidate word is found to form a phrase match with the context.
- the system can consider the statistical word frequency of the word in the language.
- the output module 406 displays the list of candidate words to the user.
- candidate words having related words may be marked with a special status, and a shortcut may be defined to allow the user to enter a selection mode of the word related words. For example, referring to Figure 2A, there is an arrow below the word "compare” indicating that it has found a list of related words.
- the error correction candidate words may be identified in different formats to distinguish them.
- the candidate area when a user confirms a candidate word and inputs it to a text area, the candidate area will display the next or more possible words. Referring to FIG. 2C, when the user inputs "look", the candidate area has predictions of "forward to", “at”, “into”, “for” for the next word. This is because the contextual association rule of the word object "look” has a phrase with "look forward to", “look at”, “look into” and “look for”.
- the candidate word module 404 finds these rules from the context association rules of the word, and displays the portion following "look” as a candidate word in the candidate region.
- a phrase collocation of the related word may also appear in the candidate region.
- the candidate word area can also appear as “forward to", “at”, “into”, “for” for the next word. This is because there is a "look” in the related word list of the word object "looking", and the candidate word module finds the corresponding phrase collocation in the context-related blame corresponding to the related word, and displays it in the candidate area.
- step 10 depicts a method of implementing a flexible keyboard layout for inputting text to an electronic device designed by the present invention, having the steps of: waiting for a user input signal (step 1001); converting the user input signal to a character based on the current keyboard layout. a collection, the set of characters comprising the user input Corresponding characters (step 1002); adding the character set to the current input sequence (step 1003); generating candidate words according to the current input sequence and sorting by priority (step 1004); displaying the candidate words (step 1005).
- the keyboard system of the present invention can change the keyboard layout at any time without affecting method implementation and user use.
- the user can switch the keyboard layout at any time by some predefined operation. For example, on a touch screen, when the user quickly slides over the contacts in the keyboard area, the system can dynamically switch the current layout from the QWERTY layout shown in Figure 1A to the AZERTY layout shown in Figure 1C. On devices with a hardware keyboard, when the user presses a shortcut, the system can also dynamically switch the keyboard layout.
- the switching effect can be made more natural by the animation effect during the switching of the keyboard layout.
- FIG. 11A when the user's finger moves rapidly from left to right on the keyboard area on the touch screen, the old keyboard layout smoothly moves out from left to right, and the new keyboard layout smoothly moves in from the left end of the screen to the right.
- Figure 11B depicts the situation where the old keyboard layout 1102 is moved out halfway while the finger is moving, and the new keyboard layout 1103 is moved halfway.
- Figure 11C depicts the situation after the new keyboard layout has been fully moved in.
- the animation effect can be smoothly performed, and the moving speed can be determined according to the moving speed of the user's contacts, so that the user feels that the keyboard layout is being moved by the user's finger.
- FIG. 12 depicts a method 1200 for quickly switching a keyboard layout in the present embodiment, comprising the steps of: displaying a keyboard layout on a touch-sensitive display device (step 1201); waiting for a user contact to move on the touch screen (steps) 1202); moving the original keyboard layout out of the screen in the direction of contact movement (step 1203); moving the new keyboard layout into the screen in the direction of contact movement (step 1204).
- the keyboard layout referred to in this method not only represents a different layout of letters, but also broadly refers to a page in a multi-page content. For example, there are multiple page selections on the symbol selection page, and the user can perform page turning operations by this method.
- the user can also dynamically change the layout of the keyboard, such as changing the position of the keys, and the like.
- the layout of the keyboard such as changing the position of the keys, and the like.
- Fig. 13A when the user presses the "SPACE" space bar 1301 and drags it to the lower left corner of the keyboard area and releases it, the key is arranged in a new one as shown in Fig. 13B. Location 1302.
- the keyboard layout will be updated accordingly. For example, the number “8" originally on the space bar becomes the number "6" to maintain the continuity of the numbers.
- FIG. 14 illustrates a method for dynamically changing a keyboard layout in the embodiment, comprising the steps of: displaying a plurality of keys on a touch-sensitive display device (step 1401); detecting that the user moves the contact action after pressing a button (Step 1402); detecting the position at which the user releases the contact (step 1403); adjusting the keyboard layout, adjusting the button to the position corresponding to the release contact position, and displaying the updated keyboard layout (step 1404) ).
- some keys may be preset as movable keys, and some keys may be set as non-movable keys.
- the "SPACE" button in Figure 13A is a movable button, while the other buttons are not movable.
- the adjusted position of the button can often be at some predefined position near the release contact position. For example, when the position where the user releases the contact falls within the area covered by the "SPACE" key in FIG. 13B or the distance thereof is not more than X pixels (X may be a predetermined value), the corresponding adjusted position It is the button position at the bottom left corner of the screen.
Description
Claims
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JP2011504302A JP5649563B2 (ja) | 2008-04-18 | 2009-04-20 | 柔軟なキー配列を実現することが可能であるシステム |
US12/988,468 US9323345B2 (en) | 2008-04-18 | 2009-04-20 | System capable of accomplishing flexible keyboard layout |
US15/074,839 US20160202904A1 (en) | 2008-04-18 | 2016-03-18 | System capable of accomplishing flexible keyboard layout |
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2014
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2016
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Also Published As
Publication number | Publication date |
---|---|
JP5649563B2 (ja) | 2015-01-07 |
JP2015019395A (ja) | 2015-01-29 |
EP3255529A3 (en) | 2018-01-10 |
CN101266520B (zh) | 2013-03-27 |
JP5980279B2 (ja) | 2016-08-31 |
JP2011516995A (ja) | 2011-05-26 |
CN101266520A (zh) | 2008-09-17 |
EP3255529B1 (en) | 2020-09-30 |
US20160202904A1 (en) | 2016-07-14 |
US9323345B2 (en) | 2016-04-26 |
JP2017152053A (ja) | 2017-08-31 |
JP2015028784A (ja) | 2015-02-12 |
US20110090151A1 (en) | 2011-04-21 |
JP6382620B2 (ja) | 2018-08-29 |
EP3255529A2 (en) | 2017-12-13 |
EP2293168A4 (en) | 2014-04-23 |
EP2293168A1 (en) | 2011-03-09 |
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