CN106445177B - Character input device and character input method - Google Patents
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- CN106445177B CN106445177B CN201510477865.1A CN201510477865A CN106445177B CN 106445177 B CN106445177 B CN 106445177B CN 201510477865 A CN201510477865 A CN 201510477865A CN 106445177 B CN106445177 B CN 106445177B
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Abstract
The invention provides a character input device which can quickly select and input desired characters only by normal input operation. The character input device includes: an operation unit that accepts an operation; a storage unit for storing a correspondence between the spelling syllables and the characters; a candidate character extracting unit that extracts a candidate character from the storage unit when the operation unit accepts an input of a spelling syllable; an operation detection unit that detects whether or not the operation accepted by the operation unit satisfies a change condition that a next operation accepted by the operation unit after accepting the input operation of the spelled syllables is a deletion operation for the spelled syllables, and the next operation is an input operation of a combined spelled syllable composed of the deleted spelled syllables and the additional spelled syllables; and a display control unit that, when the change condition is satisfied, causes the display unit to display, with higher priority, a character corresponding to the deleted spelling syllable among characters constituting the combined character corresponding to the combined spelling syllable.
Description
Technical Field
The present invention relates to a character input device and a character input method for inputting characters by spelling syllables.
Background
Conventionally, when characters such as chinese characters are input to a data processing device or a display device such as a computer, spelling syllables such as pinyin are often used for input. For example, when a single chinese character is input using the application of the pinyin input method, the pinyin corresponding to the chinese character is input, and the single chinese character is input by selecting a desired chinese character in the list of chinese character candidates corresponding to the input chinese pinyin.
However, when the desired chinese character is a rarely-used chinese character or when the desired chinese character is not a commonly-used chinese character, the desired chinese character is often located at a relatively rear position in the list, and when there are many candidate chinese characters corresponding to the input pinyin, the user needs to perform an expansion operation such as page turning or pull-down to find a chinese character at the rear end of the list. This takes a lot of time and effort in operation, and the efficiency of the input device is also reduced.
In addition, the user may input a desired chinese character by inputting a word or phrase including the desired chinese character, displaying the word or phrase including the desired chinese character, and deleting chinese characters other than the desired chinese character.
In view of the above, some optimization methods have been proposed for the text input method of the text input device.
For example, in the technique disclosed in patent document 1 (japanese patent application laid-open No. 56-162132), a chinese character that is not present in a dictionary is input by using input of a spelling syllable of a word or a phrase including a desired chinese character and specifying a position of the desired chinese character in the word or the phrase.
In the technique disclosed in patent document 2 (japanese patent application laid-open No. s 58-16342), when the user inputs a combined spelling syllable corresponding to a certain word, for example, a combined kana of a corresponding phrase formed by kana as a spelling syllable of japanese, and additionally inputs a number after the combined kana, it is considered that a partial kanji corresponding to the number in a kanji phrase corresponding to the combined kana is specified. That is, the corresponding Chinese character is selected by the number input together with the spelled syllable.
However, in such a method of confirming a desired character by specifying the position of the character in a word, a special operation such as inputting a position mark is required, and an overhead of specifying the position is required in an application.
In addition, the prior art is more finished aiming at the natural law that kana and Chinese characters can be mixed in language display like Japanese language family. It is not a natural law well suited for pure chinese expression and the prior art is not optimized for display in a candidate list.
Disclosure of Invention
The present invention aims to provide a character input device and a character input method which can quickly select and input desired characters only by normal input operation without special input operation.
One technical solution of the present invention is a character input device, including: an operation unit for accepting input and deletion operations for spelling syllables and accepting selection and deletion operations for candidate characters; a storage unit for storing a correspondence between the spelling syllables and the characters; a candidate character extracting unit that extracts, as the candidate character, a character corresponding to the input pinyin syllable from the storage unit when the operation unit accepts the input of the pinyin syllable; an operation detection unit that detects whether or not the operation accepted by the operation unit satisfies a change condition that a next operation accepted by the operation unit after accepting an input operation of a pinyin syllable is a deletion operation for the input pinyin syllable, and a next operation of the deletion operation for the pinyin syllable is an input operation for a combined pinyin syllable composed of the deleted pinyin syllable and an additional pinyin syllable; and a display control unit that controls display of a display unit, wherein when the operation detection unit detects that the operation accepted by the operation unit satisfies the change condition, a character corresponding to the deleted spelling syllable among characters constituting a combined character corresponding to the combined spelling syllable is displayed on the display unit as a candidate character with higher priority than the combined character corresponding to the combined spelling syllable.
Another technical solution of the present invention is a text input method in a text input device, the text input device including: an operation unit for accepting input and deletion of an spelled syllable, and accepting selection and deletion of a candidate character, and a storage unit for storing a correspondence between the spelled syllable and the character, the character input method including the steps of: a candidate character extracting step of extracting, as the candidate character, a character corresponding to the input pinyin syllable from the storage unit when the operation unit accepts the input of the pinyin syllable; an operation detection step of detecting whether or not an operation accepted by the operation unit satisfies a change condition that a next operation accepted by the operation unit after accepting an input operation of a pinyin syllable is a deletion operation for the input pinyin syllable, and a next operation of the deletion operation for the pinyin syllable is an input operation for a combined pinyin syllable composed of the deleted pinyin syllable and an additional pinyin syllable; and a display control step of, when it is detected that the operation accepted by the operation unit satisfies the change condition, displaying, as a candidate character, a character corresponding to the deleted spelling syllable, of characters constituting a combined character corresponding to the combined spelling syllable, in preference to the combined character corresponding to the combined spelling syllable.
According to the structure of the invention, the single candidate Chinese character reflecting the user intention can be preferentially displayed by detecting the operation of the user, so that the expected Chinese character can be quickly selected and input only through the normal input operation without special input operation, and the character input efficiency and the operation performance are improved.
Drawings
Fig. 1 is a block diagram showing a configuration of a character input device according to a first embodiment.
Fig. 2 is a flowchart of a text input method according to the first embodiment.
Fig. 3A is a diagram showing an example of display of the character input device according to the first embodiment.
Fig. 3B is an illustration showing an example of display of the character input device according to the first embodiment.
Fig. 3C is an illustration showing an example of display of the character input device according to the first embodiment.
Fig. 3D is an illustration showing an example of display of the character input device according to the first embodiment.
Fig. 4 is a comparison between the character input device according to the first embodiment and the prior art.
Fig. 5 is a block diagram showing the structure of a character input device according to the second embodiment.
Description of the symbols:
1 character input device, 10 operation part, 20 storage part, 30 candidate character extraction part, 40 operation detection part, 50 display control part, 2,51 display part, 60 history storage part.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
In the following preferred embodiments, a description will be given of a character input device for inputting chinese characters by pinyin (hereinafter, abbreviated as pinyin in some cases). However, the present invention is not limited to this, and can be applied to a character input device for inputting characters in other languages by spelling syllables of the characters.
(first embodiment)
Fig. 1 is a block diagram showing a configuration of a character input device according to a first embodiment. As shown in fig. 1, the character input device 1 of the present invention includes an operation unit 10, a storage unit 20, a candidate character extraction unit 30, an operation detection unit 40, and a display control unit 50 as a circuit or software that can be installed in a display device such as a computer or a vehicle.
The operation unit 10 is an input reception device such as a keyboard, a mouse, or a touch panel, or an interactive interface, and can receive user operations for pinyin and chinese characters. For example, an input operation of a syllable or a character by a user or an instruction operation from a user is received.
The storage unit 20 is a memory or the like, and stores the correspondence between the pinyin and the chinese characters. Wherein the same pinyin can correspond to multiple homophonic Chinese characters, and the pinyin for a single Chinese character is combined to form a combined pinyin corresponding to a word or phrase formed by the Chinese characters.
The correspondence between the pinyin and the chinese characters stored in the storage unit 20 can be directly used in various word stocks or dictionaries used in the input method.
The candidate character extracting unit 30 may be a circuit having a corresponding function or a functional module operating in a processor, and is capable of extracting chinese characters from the storage unit 20. For example, when the user operates the operation unit 10 and the operation unit 10 accepts input of a certain pinyin, the candidate character extracting unit 30 extracts a chinese character corresponding to the input pinyin from the storage unit 20 as a candidate chinese character for a chinese character desired to be input.
The operation detection unit 40 may be a circuit having a corresponding function or a functional module that operates in a processor, and is capable of detecting the operation received by the operation unit 10 and determining whether or not a predetermined change condition is satisfied.
The modification condition is formed by estimating the intention of the user based on the action that the user has taken habitually in accordance with the language law when inputting pinyin, and setting in advance the operation characteristics corresponding to the intention. In the present invention, the changing conditions are set based on the following estimations: when a user inputs the pinyin for a desired chinese character and cannot directly find the desired chinese character in an initial list, the user deletes the previously input pinyin and inputs instead a complete pinyin for a word or a word group including the desired chinese character.
Based on the presumption, the character input device of the invention takes the situation that the user deletes the Chinese pinyin after inputting the Chinese pinyin of a certain Chinese character and further inputs the combined Chinese pinyin of a certain word or phrase as a trigger, presumes that the intention of the user is to hope to input a single Chinese character in the phrase, thereby changing the display of the candidate list of the Chinese characters.
Therefore, the changing condition in the present invention is that the next operation accepted by the operation unit after accepting the operation of inputting the spelled syllable is the operation of deleting the input spelled syllable, and the next operation of the operation of deleting the spelled syllable is the operation of inputting a combined spelled syllable composed of the deleted spelled syllable and the additional spelled syllable.
The display control section 50 may be a circuit having a corresponding function or a functional block that operates in a processor, and controls display of the display section 51. The display unit 51 is an interactive interface such as a display, and performs display output. For the user to confirm the selected chinese character or list.
When the operation detection unit 40 detects that the operation accepted by the operation unit 10 satisfies the predetermined change condition, the display control unit 50 displays, as candidate kanji, a kanji corresponding to the deleted kanji pinyin, among a plurality of kanji constituting a word (or a phrase) corresponding to the combined kanji, on the display unit 51 in preference to a word (or a phrase) corresponding to the combined kanji.
That is, when the operation detection unit 40 detects that the operation accepted by the operation unit 10 satisfies the predetermined change condition, it is estimated that the user intends to input a single kanji in the word or the like, and the pinyin for the single kanji is the pinyin deleted before. Therefore, the pinyin for the chinese character included in the word among the chinese characters corresponding to the pinyin deleted before is preferentially displayed, so that the user can be assured to see the desired chinese character first in the candidate list, and the desired chinese character can be determined more efficiently.
The following describes a text input method of the text input device according to the present invention, using the flowchart of fig. 2 and the example of fig. 3.
Fig. 2 is a flowchart of a text input method according to the first embodiment. Fig. 3A to 3D are diagrams illustrating examples of display of the character input device according to the first embodiment.
As shown in fig. 2, when it is set that the user wishes to input a chinese character such as "ginger" on the display screen, the user inputs the pinyin "jiang" corresponding to the individual chinese character "ginger" through the operation unit 10 when the user starts inputting the chinese character, and the operation unit 10 accepts the input of the pinyin "jiang" of the individual chinese character (step S21).
In this case, as shown in fig. 3A, for example, a screen displayed on the display screen of the display unit 51 displays a text screen containing "name: "the user wants to input" ginger "after the text, and when the user accepts the input of" jiang ", the chinese pinyin" jiang "is shown in the pop-up menu of the input method, and at the same time, the candidate list of the candidate chinese characters corresponding to the chinese pinyin" jiang "is shown. Let the first page of the candidate list be as shown, which is "1 says 2 and 3 gingers 4 down".
Next, in step S22, the operation detecting section 40 detects whether there is a deletion operation for the pinyin "jiang", that is, whether the pinyin is deleted without selecting a specific candidate chinese character.
In the case where the pinyin "jiang" is not deleted, that is, the user selects a specific individual chinese character in the drop-down candidate list of the input method (no in step S22), the display control of the present input is ended, and the selected chinese character is input as in the conventional input method.
When the pinyin "jiang" is deleted (yes at step S22), the operation detection unit 40 temporarily stores the deleted pinyin "jiang" (step S23), and at this time, the screen on the display screen is as shown in fig. 3B, that is, only the text screen before pinyin input is displayed.
The operation detection unit 40 further detects whether the operation unit 10 has accepted an input operation of a combined pinyin for a word or a phrase, and the input combined pinyin includes the deleted pinyin (step S24).
If the combined pinyin is not accepted or if the combined pinyin is accepted but the deleted chinese pinyin is not included in the combined pinyin, step S24 determines no, and ends the display control of the current input, and inputs the selected chinese character or starts the display control of the next individual chinese character as in the conventional input method.
When it is detected that the operation unit 10 has subsequently received an input operation of a combined pinyin for a word or a word group and the input combined pinyin includes the deleted pinyin (yes at step S24), the display control unit 50 preferentially displays, among constituent chinese characters of candidate words corresponding to the combined pinyin, a chinese character corresponding to the stored deleted pinyin in the candidate list displayed on the display unit 51.
In this case, the display screen of the display screen becomes fig. 3C. As shown in fig. 3C, when the combined pinyin "shengjiang" including the chinese pinyin "jiang" is received, the display control unit 50 causes the chinese characters "ginger" and "descending" corresponding to the pinyin "jiang" among the word candidates "ginger" and "ascending and descending" corresponding to the combined pinyin "shengjiang" to be displayed in front of each word. That is, the individual Chinese characters corresponding to the deleted pinyin are made to be displayed more preferentially than the words corresponding to the combined pinyin, so that on the first page of the candidate list, as shown, there is "1 ginger 2 minus 3 ginger 4 going up and down".
Thus, the user can directly enter the desired Chinese character "ginger" in the text by selecting the individual Chinese characters that are prioritized in the front row (as shown in FIG. 3D).
The above specific examples of input are illustrative, and the correspondence and arrangement of the pinyin and the chinese characters are not limited to those exemplified in the example of fig. 3. In particular the number of candidates in the candidate list, etc., may differ from one disparate word stock to another.
By performing the above display control, even if the user inputs the combined pinyin, the individual chinese characters can be displayed in the list, so that the user can input a desired chinese character only by selecting an individual chinese character in the list without performing a deleting operation of other chinese characters.
Moreover, by preferentially displaying the individual kanji presumed to be a candidate of the desired kanji in the list, the operation of page switching is saved, and the operability is improved.
Fig. 4 is a comparison between the character input device according to the first embodiment and the prior art.
As shown in fig. 4, in the conventional text input method, when the combined pinyin "shengjiang" of an input word is used, a list appearing in the pull-down menu of the corresponding candidate chinese character is, for example, "1 ginger 2 goes up and down". When the user wants only ginger, he needs to select and input 1 ginger in the candidate list and delete the ginger in the text to obtain the desired ginger.
On the other hand, in the present invention, if the operation detection unit 40 detects that the change condition is satisfied in the case where the combined pinyin "shengjiang" of the word is input, the list appearing in the pull-down menu of the corresponding candidate chinese character is, for example, "1 ginger 2 down 3 ginger 4 up and down" under the control of the display control unit 50. Therefore, the user can directly select 1 ginger to obtain the expected Chinese character ginger.
(second embodiment)
In the first embodiment, the display control unit 50 includes the display unit 51, and controls the display of the display unit 51. However, the present invention is not limited to this, and various display devices connected to other devices, a touch panel connected to the operation unit 10, and the like may be used for display.
The display control unit 50 may control the arrangement of the candidate kanji characters to be preferentially displayed.
For example, fig. 5 is a block diagram showing the structure of a character input device according to the second embodiment. In the second embodiment, the same reference numerals are used for the same or similar parts, and overlapping description is omitted.
As shown in fig. 5, the character input device 1 of the present invention includes an operation unit 10, a storage unit 20, a candidate character extraction unit 30, an operation detection unit 40, a display control unit 50, and a history storage unit 60 as a circuit or software that can be installed in a display device such as a computer or a vehicle.
The operation unit 10, the storage unit 20, the candidate character extraction unit 30, and the operation detection unit 40 are the same as those of the first embodiment. The operation unit 10 is used to accept user operations for pinyin and chinese characters. The storage unit 20 stores the correspondence between the pinyin and the chinese characters.
The candidate character extracting unit 30 can extract the chinese characters corresponding to the input pinyin from the storage unit 20.
The operation detection unit 40 detects the operation received by the operation unit 10 and determines whether or not a predetermined change condition is satisfied.
In the present embodiment, the changing condition is that the next operation accepted by the operation unit after accepting the operation of inputting the spelled syllables is a deletion operation for the input spelled syllables, and the next operation of the operation of deleting the spelled syllables is an input operation for a combined spelled syllable composed of the deleted spelled syllables and the additional spelled syllables.
When the operation detection unit 40 detects that the operation accepted by the operation unit 10 satisfies the predetermined change condition, the display control unit 50 displays, as candidate kanji characters, kanji characters corresponding to the deleted pinyin, among a plurality of kanji characters constituting the word (or phrase) corresponding to the combined pinyin, in preference to the word (or phrase) corresponding to the combined pinyin.
In the second embodiment, the character input device 1 is connected to an external display unit 2, which is configured by a display or the like, and displays character input through the display unit 2 as an external device.
Therefore, the display control unit 50 causes the display unit 2 to display the chinese character corresponding to the deleted pinyin, among the plurality of chinese characters constituting the word (or phrase) corresponding to the combined pinyin, in preference to the word (or phrase) corresponding to the combined pinyin.
In the second embodiment, the display control unit 50 further includes a history storage unit 60.
The history storage unit 60 is a data storage device such as a memory, and can store a history of the selected operation of the chinese character in the word stock. For example, when the operation unit 10 accepts a selection operation for selecting one of the candidate chinese characters, the history storage unit 60 stores the history of the selected chinese character. For example, the number of times the chinese character is selected and input in a past predetermined time period is stored as a history.
Therefore, when there are a plurality of chinese characters corresponding to the deleted pinyin in the characters constituting the combined chinese character corresponding to the combined pinyin, the display control unit 50 arranges the chinese characters corresponding to the deleted pinyin in the order of the number of selections stored in the history storage unit 60 from top to bottom, and performs priority display.
With this configuration, the input habits of the user can be estimated from the history, and the chinese characters more likely to be selected by the user can be preferentially arranged at the front, thereby further improving the efficiency of character input.
In the above description of the embodiments, each component of each device shown in the drawings is a functional concept, and it is not necessary to physically configure the device as shown in the drawings. That is, the specific form of distribution or integration of the respective devices is not limited to the illustration, and all or a part thereof may be configured to be functionally or physically distributed or integrated in arbitrary units according to various loads, use situations, and the like. Further, all or some of the processing functions performed by the respective devices are realized by a CPU and a program analyzed and executed by the CPU, or realized as hardware based on wired logic (wired logic).
The control method described in the above embodiment can be realized by executing a control program prepared in advance in an image processing apparatus as a computer such as a personal computer or a workstation. The control program can be distributed via a network such as the internet. The control program may be recorded on a computer-readable recording medium such as a hard disk, a Flexible Disk (FD), a CD-ROM, an MO, or a DVD, and may be read from the recording medium and executed by the computer.
Claims (8)
1. A text input device, comprising:
an operation unit for accepting input and deletion operations for spelling syllables and accepting selection and deletion operations for candidate characters;
a storage unit for storing a correspondence between the spelling syllables and the characters;
a candidate character extracting unit that extracts, as the candidate character, a character corresponding to the input pinyin syllable from the storage unit when the operation unit accepts the input of the pinyin syllable;
an operation detection unit that detects whether or not the operation accepted by the operation unit satisfies a change condition that a next operation accepted by the operation unit after accepting an input operation of a pinyin syllable is a deletion operation for the input pinyin syllable, and a next operation of the deletion operation for the pinyin syllable is an input operation for a combined pinyin syllable composed of the deleted pinyin syllable and an additional pinyin syllable; and
and a display control unit that controls display of a display unit, wherein when the operation detection unit detects that the operation accepted by the operation unit satisfies the change condition, a character corresponding to the deleted spelling syllable among characters constituting a combined character corresponding to the combined spelling syllable is displayed on the display unit in priority to the combined character corresponding to the combined spelling syllable as a candidate character.
2. The text input device of claim 1,
the characters are Chinese characters, and the spelling syllables are Chinese pinyin.
3. The text input device of claim 2,
the operation detection part stores the deleted pinyin when detecting that the next operation accepted by the operation part after accepting the pinyin input operation for the individual Chinese character is a deletion operation for the input pinyin syllable,
when the operation unit accepts an input operation of a pinyin combination of a word, the operation detection unit detects whether the pinyin combination of the word contains a stored pinyin, and determines that a change condition is satisfied when the pinyin combination of the word is detected to contain the stored pinyin.
4. The text input device of claim 1,
further comprising a history storage unit for storing, as a selection history, a correspondence between an input syllable and a selected candidate character when the operation unit accepts an input operation for an input syllable, the candidate character corresponding to the input syllable is extracted from the storage unit by the storage unit and the candidate character extraction unit, and one of the candidate characters is selected,
when there are a plurality of characters corresponding to the deleted spelling syllables among the characters constituting the combined character corresponding to the combined spelling syllables, the display control unit arranges the characters corresponding to the deleted spelling syllables in descending order of the number of selections recorded in the selection history and displays them preferentially.
5. A character input method in a character input device is characterized in that,
the character input device includes: an operation part for receiving input and deletion operation of the spelling syllables and receiving selection and deletion operation of the candidate characters, and a storage part for storing the corresponding relation between the spelling syllables and the characters,
the character input method comprises the following steps:
a candidate character extracting step of extracting, as the candidate character, a character corresponding to the input pinyin syllable from the storage unit when the operation unit accepts the input of the pinyin syllable;
an operation detection step of detecting whether or not an operation accepted by the operation unit satisfies a change condition that a next operation accepted by the operation unit after accepting an input operation of a pinyin syllable is a deletion operation for the input pinyin syllable, and a next operation of the deletion operation for the pinyin syllable is an input operation for a combined pinyin syllable composed of the deleted pinyin syllable and an additional pinyin syllable; and
and a display control step of, when it is detected that the operation accepted by the operation unit satisfies the change condition, displaying, as a candidate character, a character corresponding to the deleted spelling syllable, of characters constituting a combined character corresponding to the combined spelling syllable, in preference to the combined character corresponding to the combined spelling syllable.
6. The text input method of claim 5,
the characters are Chinese characters, and the spelling syllables are Chinese spelling syllables.
7. The text input method of claim 6,
in the operation detection step, when it is detected that the next operation accepted after the operation unit accepts the pinyin input operation for an individual Chinese character is a deletion operation for the input spelled syllable, the deleted pinyin is stored,
when the operation unit accepts an input operation of a pinyin combination of a word, it is detected whether the pinyin combination of the word contains a stored pinyin, and if the pinyin combination of the word contains the stored pinyin, it is determined that a change condition is satisfied.
8. The text input method of claim 5,
further comprising a history storage step of storing, as a selection history, a correspondence between an input syllable and a selected candidate character when the operation unit accepts an input operation for the syllable, the candidate character corresponding to the input syllable is extracted by the storage unit, and one of the candidate characters is selected,
in the display control step, when there are a plurality of characters corresponding to the deleted pinyin, among the characters constituting the combined characters corresponding to the combined pinyin, the characters corresponding to the deleted pinyin are arranged in order of the number of selections recorded in the selection history from top to bottom, and are displayed with priority.
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| CN106933382A (en) * | 2017-03-17 | 2017-07-07 | 北京小米移动软件有限公司 | Update the method and device of input method dictionary |
| CN111857362A (en) * | 2019-04-30 | 2020-10-30 | 阿尔派株式会社 | Character input method and character input device |
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| CN103777774A (en) * | 2014-01-16 | 2014-05-07 | 宇龙计算机通信科技(深圳)有限公司 | Terminal device and input method character error correction method |
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