CN101256462B - Hand-written input method and apparatus based on complete mixing association storeroom - Google Patents
Hand-written input method and apparatus based on complete mixing association storeroom Download PDFInfo
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Abstract
The invention provides a handwriting input method and a handwriting input device based on a total mixed associative library. The method comprising the following steps: a user handwrites characters in an input region; a character recognition unit recognizes the input characters, and obtains a group of recognition candidate characters; the first selected characters of the recognition candidate characters are displayed in an input character display region; when displaying the first selected characters, based on the pre-built total mixed associative library, the candidate association characters corresponding to the first selected characters are displayed in an association characters display region; if the user needs to input associative characters, the displayed candidate associative characters are selected directly; the context relation of the input text is recorded after a characters input is finished, an associative characters table of corresponding characters in the total mixed library is rectified based on the context relation. The method and the device perform handwriting input based on the total mixed associative library, modify the candidate arrangement sequence of the associative characters in the total mixed library, which makes it convenient for users and improves input speed.
Description
Technical field
The present invention relates to a kind of hand-written inputting method and device.More particularly, the present invention relates to a kind of hand-written inputting method and device based on the complete mixing association storeroom that can accelerate the character input speed that is applicable to various input methods.
Background technology
At present, portable terminals such as mobile phone that uses on the market and PDA(Personal Digital Assistant), because the restriction of its display interface and keyboard, efficient by the incompatible input characters of key groups is not high, the candidate characters number that the screen last time can show is restricted, and the user often will repeatedly be switched when the input punctuate.Even if use the mode of handwriting input to carry out the literal input,, often also will show a plurality of candidates' character owing to the restriction of character recognition accuracy rate.And because most of punctuation marks, as ".? ", its person's handwriting point is less, spendable recognition feature also seldom, like this in that accuracy rate is not high when together discerning with other high capacity character set (as GBK, nearly more than 20000 Chinese characters).Therefore, some methods that substitute occurred,, perhaps switched and finish the symbol input by button such as carrying out the symbol input in the specific region.Yet these operations have increased unnecessary step and inconvenience all for user's use, and are not suitable for full frame input.Simultaneously, because under the situation of large character set, handwriting recognition engine is lower to the discrimination of character, thus need provide a kind of new method and apparatus to accelerate the speed of handwriting input, and further improve recognition accuracy.
Recently, by using association storeroom that association between the character is provided.But the association that existing association storeroom provides all is the association between the same kind character, has ignored the association between the variety classes character.Therefore, when carrying out handwriting input, can not provide the association between the variety classes character.Operational association character is not abundant, has brought inconvenience to input.In addition, still there is not to find in handwriting input, to use the input method of punctuation mark association.
Summary of the invention
Exemplary embodiment of the present invention has overcome above-mentioned shortcoming and above-mentioned NM shortcoming.In addition, the present invention does not need to overcome above-mentioned shortcoming, and exemplary embodiment of the present invention can not overcome above-mentioned any shortcoming.
The invention provides and a kind ofly carry out handwriting input based on complete mixing association storeroom, the candidate who revises association's character that complete mixing association storeroom provides simultaneously puts in order to be user-friendly to and to improve the hand-written inputting method and the device of input speed.
According to an aspect of the present invention, provide a kind of hand-written inputting method based on complete mixing association storeroom, this method may further comprise the steps: the user is handwriting characters in input area; Character recognition unit is discerned the character of input, obtains one group of identification candidate characters; In the input character viewing area, show the first-selected character in the identification candidate characters; When showing first-selected character, from the complete mixing association storeroom of having set up, extract the association character corresponding, and it is shown in the association character viewing area with first-selected character; If the user need import association's character, then directly select the candidate who shows to associate character; The context relation of the text that recording user was imported after finishing a character input is revised association's character list of respective symbols in the complete mixing association storeroom based on this context relation.
According to a further aspect in the invention, provide a kind of hand input device based on complete mixing association storeroom, this device comprises: input block is used to receive hand-written character and user's selection operation; Operation processing unit is used for hand-written character and selection operation from the input block input are carried out data computation and logic determines; Display unit is used for showing that the candidate of the correspondence of extracting from the hand-written character of input block input with from the complete mixing association storeroom of having set up associates character; Storage unit, be used to store the required relevant information of above-mentioned each unit operation, described relevant information comprises the handwriting information and the complete mixing association storeroom of hand-written character, wherein, the context relation of the text that recording user was imported after finishing a character input is revised association's character list of respective symbols in the complete mixing association storeroom based on this context relation; Communication unit is used to manage the message exchange between the correlation unit of message exchange between above-mentioned each unit and different physical platforms.
Description of drawings
By the description of embodiment being carried out below in conjunction with accompanying drawing, these and/or other aspect of the present invention and advantage will become clear and be easier to and understand, wherein:
Fig. 1 is the synoptic diagram based on the hand input device of complete mixing association storeroom that illustrates according to the embodiment of the invention;
Fig. 2 is the process flow diagram based on the hand-written inputting method of complete mixing association storeroom that illustrates according to the embodiment of the invention;
Fig. 3 illustrates the example of operation according to the physical platform of the hand-written inputting method based on complete mixing association storeroom of the present invention.
Embodiment
Now the embodiment of the invention is described in detail, its example shown in the accompanying drawings, wherein, identical label is represented same parts all the time.Below with reference to the accompanying drawings embodiment is described to explain the present invention.
The present invention uses following some terms or definition:
Mixed input mode can be supported the input of character in the multiple character set simultaneously under this input pattern, and does not need to carry out mode switch for the character of input kinds of characters collection.For example, when one section of input contains the text of punctuate, numeral and Chinese character, under the situation that adopts single input pattern, if the input punctuate then must switch to the punctuate input pattern; If input digit then must switch to digital input pattern.And under mixed input mode, multiple characters such as input punctuate, numeral and Chinese character are without any need for mode switch.
Context relation can obtain the relation information between the character that links to each other before and after it can be represented according to multiple statisticals such as the word frequency information of adding up, word frequency information, meaning of one's words statistical study.The algorithm that how to utilize context relation that association's candidate characters table is revised has comprised the technical field of the invention various algorithms commonly used, and concrete algorithm content does not belong to category involved in the present invention.
Fig. 1 is the synoptic diagram based on the hand input device of complete mixing association storeroom that illustrates according to the embodiment of the invention.
With reference to Fig. 1, described device comprises: interactive unit 101, operation processing unit 102, storage unit 103 and communication unit 104.
Here need to prove that above viewing area can be subjected to the restriction of screen and share the actual physics zone.Under the smaller situation of screen, the screen of mobile phone for example, in the process of carrying out input, above-mentioned viewing area can be respectively in the identical position Alternation Display of physical screen.This will be apparent to those skilled in the art.
Storage unit 103 is used to store the required information of each unit operation.Described information comprises the handwriting information and the complete mixing association storeroom of hand-written character, and wherein, complete mixing association storeroom comprises association's candidate characters table of supporting all characters.
The composition rule of the complete mixing association storeroom that the present invention uses is, not only exists associative relationship between the character of same kind, and also exists associative relationship between different types of character.
Wherein, associative relationship comprises context relation.Context relation can obtain according to multiple statisticals such as the word frequency information of adding up in advance, word frequency information, meaning of one's words statistical study, and can carry out accommodation when the user constantly uses.For instance, for this character set of Chinese character,, then can from complete mixing association storeroom, find the association's character string " people family's name is given birth to ... " that obtains according to word frequency if the literal of input is " people " separately; If the literal of input is " people " separately, then can from complete mixing association storeroom, find the association's character string " many states between main group ... " that obtains according to word frequency; If input " people " earlier, then input " people ", then association's sequence of " people " this speech correspondence becomes " bank of law court of coin republic ... ".
The user is when input character, the context relation of the text that described device can write according to the user, constantly adjust the sequencing of association's character in association's character list of respective symbols, thereby the character that the user uses always is placed on the front portion of association's character list of respective symbols, be user-friendly to.
The complete mixing association storeroom that the present invention uses not only comprises association's character of same kind character, but also comprises association's character of variety classes character.For different literal environments for use, the formation of complete mixing association storeroom also is incomplete same.For example, when complete mixing association storeroom was used for Chinese information processing system, this storehouse need comprise the character set that Chinese information processing systems such as Chinese text, phonetic alphabet, symbol, English alphabet, numeral are used; When complete mixing association storeroom is used for the Korean system, this storehouse need comprise the character set that Korean systems such as the vowel of Korean and consonant, symbol, English alphabet, numeral use; When complete mixing association storeroom was used for english system, this storehouse need comprise the character set that english systems such as symbol, English alphabet, numeral use.
Complete mixing association storeroom is not limited to the character that uses in Chinese, Korean and the english system, for other language, can generate complete mixing association storeroom according to the constructive method that the present invention describes too as systems such as Japanese, German, Latins.
The constructive method of complete mixing association storeroom obtains association's candidate characters table according to the associative relationship between associative relationship between the character of same kind and the variety classes character, thereby constitutes complete mixing association storeroom.For example: not only Chinese character has association's character, and numeral, punctuation mark and letter also have corresponding association's character, and association's character of Chinese character also can be punctuation mark, numeral or alphabetical, and vice versa.
In Chinese information processing system, the constituting of complete mixing association storeroom according to following rule:
1) for character be 0 to 9 numeral, corresponding association's character is 10: i.e. numeral from 0 to 9;
2) be English alphabet or monogram for character, corresponding association's character is a letter, and wherein the priority ordering foundation is the word frequency of English word and the relation of formation;
3) be punctuation mark for character, corresponding association's character is a punctuation mark, and wherein the priority ordering foundation is the frequency of utilization of punctuation mark;
4) be the combination of Chinese character or Chinese character for character, corresponding association's character comprises Chinese character and the punctuation mark that can defer to context relation, and the foundation of its priority ordering at first is that to form the Chinese character of speech preferential, and next is to use the high Chinese character of frequency preferential.Wherein, the punctuation mark in association's character is decided according to the particular content of Chinese character, is generally comma and fullstop.But for tone word or speech such as interrogative and exclamation words, punctuation mark is question mark or exclamation mark.For example: the preferential association punctuate of interrogative " " be "?! "; The preferential association punctuate of sighing with feeling word " " be "! ? "
5) for any character, punctuation mark or other separators can be as association's characters.
For the literal of other language, above-mentioned regular 4) and 5) in the same context relation that adopts these spoken and written languages, comprise word frequency, word frequency, the meaning of one's words etc.If there is modal particle equally, then also can adds corresponding punctuation mark in the modal particle back and associate character.
For expressing the language of disagreeing with think of by the different combination of individual character, Korean for example, the space prompt also can be used as association's character.For example, when the individual character of input Korean, the space is as association's character of this individual character.
Complete mixing association storeroom not only can be applied to hand-writing input method, also can be applicable to other various input methods, as spelling input method and stroke input method etc.
Fig. 2 is the process flow diagram based on the hand-written inputting method of complete mixing association storeroom that illustrates according to the embodiment of the invention.
As shown in Figure 2, as follows according to the detailed step of hand-written inputting method of the present invention.
In step S201, the user is at the input area handwriting characters.In step S202, character recognition unit provides one group of identification candidate characters.In step S203, the first-selected character in the candidate characters is presented in the input character viewing area.In step S204, show that in association character viewing area the candidate corresponding with current character in the input character viewing area associates character.If the user determine to need the input candidate associate character in step S205, then the user can directly select association's character of showing in step S206.At this moment, if the character of user input is a modal particle, then the candidate associate character can become "? " automatically or "! " number.Like this, the user only needs direct selection just can carry out the symbol input, and need not open keyboard symbol more separately.After finishing the input of character, the context relation of the text that recording user was imported, the association's character list to the respective symbols of complete mixing association storeroom in step S207 is revised.In input operation next time, use the association's character list that upgraded.If determine that in step S208 the user need continue input character, then repeating step S201 to S207.
Described in step S203, if the character of input does not have corresponding association's character, perhaps associate character number and be not enough to fill up association character viewing area, when perhaps in association character viewing area, being reserved with association punctuation mark candidate region, adding punctuation mark commonly used or separator are associated character as the candidate and are shown in association character viewing area, for example: ". " or " space " separator.On the contrary, show candidate punctuation mark not.
In order to illustrate in greater detail the present invention, illustrate one section text of input.The content of text is " his Tel is 8123456? ", adopt the operation steps of the method according to this invention and device as follows:
1) user is at first character of input area handwriting input, and recognition unit provides recognition result, " he ground the pond ... ";
2) " he " is input in the input character viewing area as first-selected character, association character viewing area according to the literal " he " of input show corresponding association's character " the people be ... ";
3) directly select in the association character viewing area " ", thereby " " be imported in the input character viewing area;
4) at this moment, " " character is " people talks about the thing hand ... " in corresponding association, does not have letter " T ", the user needs handwriting input letter " T ";
5) recognition unit provides recognition result: " the T fourth has been descended 7...... ", and " T " is input in the input character viewing area as first-selected character, associates the association's character that shows in the character viewing area this moment and is " ae...... ";
6) directly select " e " in association's character, thereby " e " is imported in the input character viewing area;
7) in association character viewing area, show association's character " a e n l...... " of " e ", because in association's character letter " l " is arranged, thus select character " l ", thus " l " is imported in the input character viewing area;
8) do not have "Yes" in association's character of " l ", the user needs the handwriting characters "Yes", is presented at after "Yes" is identified in the input character viewing area;
9) then, the user needs handwriting input numeral " 8 ", and " 8 " are identified, is presented in the input character viewing area, can continue " 123456 " are input in the device by association's numeral or the handwriting input of selecting complete mixing association storeroom to provide then;
10) since " " be modal particle, so the association character in the appearance "? ", the user selects "? ", " thereby? " be imported in the input character viewing area text end of input.
Can find that by above-mentioned steps the user is under mixed input mode during hand-written input text, the selection by association's character has reduced the shared time of input character, and without any need for the switching of character set, thereby accelerated handwriting input speed.
Because the invention provides operation, so corresponding variation can take place association's candidate characters table of the character of containing according to the context correction complete mixing association storeroom of input text content.For example, if the user imports " he " once more, then the order of association's character of its correspondence might become " the people be ... ".According to the difference of correction algorithm, the order of the association's character that obtains is also inequality.
Fig. 3 illustrates the example of operation according to the physical platform of the hand-written inputting method based on complete mixing association storeroom of the present invention.Described physical platform comprises system 301, the PDA302 that touch-screen is arranged, the mobile phone 303 that touch-screen is arranged and the Tablet PC 304 that handwriting pad links to each other with PC.
The present invention can be widely used in various can carrying out on the mobile terminal device of handwriting input, also can be applied to have on the equipment that computing power is arranged of external input equipment, as PC, server etc.Each assembly that the present invention relates to is not limited to a single equipment, can be distributed on a plurality of equipment, for example on the server PC and client rs PC by Internet connection.
In sum, hand-written inputting method of the present invention and device carry out handwriting input based on complete mixing association storeroom, and the candidate who revises association's character that complete mixing association storeroom provides simultaneously puts in order, and is user-friendly to, and has improved input speed.
Though specifically shown and described the present invention with reference to exemplary embodiment of the present invention, but it should be understood by one skilled in the art that, under the situation that does not break away from the spirit and scope of the present invention that are defined by the claims, can carry out various changes to these embodiment in form and details.
Claims (19)
1. hand-written inputting method based on complete mixing association storeroom, this method may further comprise the steps:
The user is handwriting characters in input area;
Character recognition unit is discerned the character of input, obtains one group of identification candidate characters;
In the input character viewing area, show the first-selected character in the identification candidate characters;
When showing first-selected character, from the complete mixing association storeroom of having set up, extract the association character corresponding, and it is shown in the association character viewing area with first-selected character;
If the user need import association's character, then directly select the candidate who shows to associate character;
The context relation of the text that recording user was imported after finishing a character input is revised association's character list of respective symbols in the complete mixing association storeroom based on this context relation,
Wherein, complete mixing association storeroom comprises association's candidate characters table of supporting all characters, obtain described association candidate characters table according to the associative relationship between associative relationship between the character of same kind and the variety classes character, described variety classes character comprises the vowel and the consonant of Chinese text, phonetic alphabet, symbol, English alphabet, numeral, Korean
Wherein, when the literal environment for use is Chinese information processing system, the following formation of complete mixing association storeroom:
Character for input is a numeral, and corresponding association's character is from 0 to 9 numeral;
Character for input is English alphabet or monogram, and corresponding association's character is a letter, and described association character is arranged according to the word frequency of English word and the relation of formation;
Character for input is a punctuation mark, and corresponding association's character is a punctuation mark, and described association character is arranged according to frequency of utilization;
Character for input is Chinese character or Chinese character combination, and corresponding association's character comprises Chinese character and the punctuation mark of deferring to context relation, and secondly described association character is arranged according to frequency of utilization at first according to the Chinese character prioritization that can form speech;
For above-mentioned any character, punctuation mark or other separators should be associated character as it.
2. if the method for claim 1, wherein the user has imported modal particle/word, then the candidate associates that character becomes "? " automatically number or "! " number.
3. the method for claim 1, wherein, if the character of input does not have corresponding association's character, perhaps associate character number and be not enough to fill up association character viewing area, when perhaps in association character viewing area, being reserved with association punctuation mark candidate region, then will using punctuation mark or separator always and associate character as the candidate and be presented in the association character viewing area.
4. association's character of the method for claim 1, wherein associating in the character viewing area changes according to the variation of the current character that shows in the input character viewing area, is shown as the association character corresponding with current character.
5. the method for claim 1, wherein, associative relationship comprises context relation, described context relation according to the word frequency information that comprises statistics in advance, word frequently the statistical of information, meaning of one's words statistical study obtain, and when the user constantly uses, carry out accommodation.
6. the method for claim 1, wherein when the literal environment for use is the Korean system, complete mixing association storeroom comprises the character set of the vowel that comprises the Korean that the Korean system uses and consonant, symbol, English alphabet, numeral; When the literal environment for use was english system, complete mixing association storeroom comprised the character set that comprises English alphabet, symbol, numeral that english system uses.
7. the method for claim 1, wherein for other spoken and written languages systems, association's character comprises literal and the punctuation mark of deferring to context relation.
8. the method for claim 1, wherein for expressing the language of disagreeing with think of by the different combination of individual character, the space-separated symbol is as association's character.
9. as claim 7 or the described method of claim 8, wherein, that complete mixing association storeroom is applied to is hand-written, phonetic and stroke input method.
10. hand input device based on complete mixing association storeroom, this device comprises:
Input block is used to receive hand-written character and user's selection operation;
Operation processing unit is used for hand-written character and selection operation from the input block input are carried out data computation and logic determines;
Display unit is used for showing that the candidate of the correspondence of extracting from the hand-written character of input block input with from the complete mixing association storeroom of having set up associates character;
Storage unit, be used to store the required relevant information of above-mentioned each unit operation, described relevant information comprises the handwriting information and the complete mixing association storeroom of hand-written character, wherein, the context relation of the text that recording user was imported after finishing a character input is revised association's character list of respective symbols in the complete mixing association storeroom based on this context relation;
Communication unit is used to manage the message exchange between the correlation unit of message exchange between above-mentioned each unit and different physical platforms,
Wherein, complete mixing association storeroom comprises association's candidate characters table of supporting all characters, obtain described association candidate characters table according to the associative relationship between associative relationship between the character of same kind and the variety classes character, described variety classes character comprises the vowel and the consonant of Chinese text, phonetic alphabet, symbol, English alphabet, numeral, Korean
Wherein, when the literal environment for use is Chinese information processing system, the following formation of complete mixing association storeroom:
Character for input is a numeral, and corresponding association's character is from 0 to 9 numeral;
Character for input is English alphabet or monogram, and corresponding association's character is a letter, and described association character is arranged according to the word frequency of English word and the relation of formation;
Character for input is a punctuation mark, and corresponding association's character is a punctuation mark, and described association character is arranged according to frequency of utilization;
Character for input is Chinese character or Chinese character combination, and corresponding association's character comprises Chinese character and the punctuation mark of deferring to context relation, and secondly described association character is arranged according to frequency of utilization at first according to the Chinese character prioritization that can form speech;
For above-mentioned any character, punctuation mark or other separators should be associated character as it.
11. device as claimed in claim 10, wherein, operation processing unit comprises:
Character recognition unit, the handwriting information that is used for the hand-written character that will receive from input block is identified as one group of identification candidate characters;
Arithmetic logic unit is used to handle the selection operation information that receives from input block, and judgement is to be input to hand-written character in the device or to output to display unit.
12. device as claimed in claim 10, wherein, display unit comprises:
The recognition result viewing area is used to the one group of identification candidate characters that shows that identification obtains;
The input character viewing area is used to show the first-selected character that is input in the device;
Association character viewing area is used for showing that the candidate corresponding with input character viewing area current character associates character.
13. device as claimed in claim 10, wherein, the shared physical interface of input block and display unit, this physical interface comprise the touch-screen with demonstration and inducing function.
14. device as claimed in claim 10, wherein, the corresponding at least character that can be discerned by word recognition unit of the handwriting information of hand-written character.
15. device as claimed in claim 10, wherein, associative relationship comprises context relation, described context relation according to the word frequency information that comprises statistics in advance, word frequently the statistical of information, meaning of one's words statistical study obtain, and when the user constantly uses, carry out accommodation.
16. device as claimed in claim 10, wherein, when the literal environment for use was the Korean system, complete mixing association storeroom comprised the character set of the vowel that comprises the Korean that the Korean system uses and consonant, punctuation mark, English alphabet, numeral; When the literal environment for use was english system, complete mixing association storeroom comprised the character set that comprises English alphabet, punctuation mark, numeral that english system uses.
17. device as claimed in claim 16, wherein, for other spoken and written languages systems, association's character comprises literal and the punctuation mark of deferring to context relation.
18. device as claimed in claim 16, wherein, for expressing the language of disagreeing with think of by the different combination of individual character, the space-separated symbol is as association's character.
19. as claim 17 or the described device of claim 18, wherein, that complete mixing association storeroom is applied to is hand-written, phonetic and stroke input method.
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| CN104391644B (en) * | 2014-11-11 | 2018-03-20 | 北京元心科技有限公司 | A kind of input method and device |
| US10698597B2 (en) | 2014-12-23 | 2020-06-30 | Lenovo (Singapore) Pte. Ltd. | Reflow of handwriting content |
| US9740684B2 (en) * | 2015-02-18 | 2017-08-22 | Lenovo (Singapore) Pte. Ltd. | Determining homonyms of logogram input |
| CN105955502A (en) * | 2016-04-22 | 2016-09-21 | 北京指尖乐动科技有限公司 | Display method and apparatus according to character association keyboard |
| CN105892715A (en) * | 2016-04-22 | 2016-08-24 | 北京指尖乐动科技有限公司 | Character combination keyboard display method and character combination keyboard display device |
| CN106484138B (en) * | 2016-10-14 | 2019-11-19 | 北京搜狗科技发展有限公司 | A kind of input method and device |
| CN107391016B (en) * | 2017-07-20 | 2021-04-13 | 联想(北京)有限公司 | Handwriting input handwriting calibration method and system |
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| CN1655107A (en) * | 1999-05-27 | 2005-08-17 | 美国在线服务公司 | Keyboard system with automatic correction |
| CN1770074A (en) * | 2005-10-19 | 2006-05-10 | 汤步青 | Punctuation input method for letter type word input using digital keyboard |
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| US9594831B2 (en) | 2012-06-22 | 2017-03-14 | Microsoft Technology Licensing, Llc | Targeted disambiguation of named entities |
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