CN102981767A - HWR (Handwriting Recognition) method and HWR system of single Chinese character - Google Patents
HWR (Handwriting Recognition) method and HWR system of single Chinese character Download PDFInfo
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- CN102981767A CN102981767A CN2012104936219A CN201210493621A CN102981767A CN 102981767 A CN102981767 A CN 102981767A CN 2012104936219 A CN2012104936219 A CN 2012104936219A CN 201210493621 A CN201210493621 A CN 201210493621A CN 102981767 A CN102981767 A CN 102981767A
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Abstract
The invention relates to an HWR (Handwriting Recognition) method of a single Chinese character, which is used for a terminal with a handwriting recognition function. The HWR method comprises the following steps of obtaining an initial of phonetics of a Chinese character input through a virtual keyboard of a touch screen or the initial of the phonetics of the Chinese character input through a handwriting input recognition area of the touch screen; recognizing the obtained initial, using the obtained initial as an alphabet code and prefetching the Chinese character in from a pre-store Chinese character library according to the alphabet code; obtaining strokes of the Chinese character input through the handwriting input recognition area of the touch screen; recognizing the obtained strokes and using the obtained strokes as a stroke code; and searching the Chinese character having the stroke code in the pre-store Chinese character library according to the recognized stroke code, displaying a Chinese character selecting option on the touch screen, confirming information according to the option of a user and displaying a selected Chinese character. The invention also relates to an HWR system of the single Chinese character. According to the HWR method and the HWR system, disclosed by the invention, the phonetic input and the stroke input are combined, the input efficiency is increased, and the success rate of input recognition is increased through reducing the input of handwriting strokes and phonetic alphabets.
Description
Technical field
The invention belongs to the Chinese Character Recognition field, particularly a kind of individual Chinese character hand-written recognition method and system.
Background technology
Have a kind of in the existing input method of Chinese character and be pure spelling input method, namely provide the whole phonetic of Chinese character that it is selective that then system provides the word that meets this pronunciation, determines final input Chinese character.
It is pure hand-writing input method that existing method has a kind of, namely writes out all Chinese characters in screen, then waits for 1 second, and system identifies, and 4-8 the result who provides identification is selective, determines final input Chinese character.Such as i Phone and panel computer, Samsung mobile phone and dull and stereotyped handwritten Chinese character input method.
Above-mentioned input method relies on the input coding of Chinese character is inputted Chinese character, namely by pronunciation, stroke etc. is encoded, inputs by keyboard.These methods do not take full advantage of the feature that current smart mobile phone touch-screen can carry out literal identification, do not give full play to the existing capability of smart mobile phone and panel computer.
Method provided by the invention is the core methed that carries out the Chinese Character Recognition input in the mobile devices such as smart mobile phone or panel computer.Be mainly used in the intelligent terminal that smart mobile phone, panel computer etc. have hand-write recognition function.The method is used for the quick input of Chinese character.
Summary of the invention
The technical problem to be solved in the present invention is: for the deficiency of existing Chinese character hand-written recognition methods, a kind of individual Chinese character hand-written recognition method and system are provided, the touch-screen that the method and system take full advantage of current intelligent terminal can carry out the feature that literal is identified, and carries out the quick input of Chinese character.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of individual Chinese character hand-written recognition method is provided, may further comprise the steps:
Obtain the initial of phonetic of the initial of phonetic of the dummy keyboard input Chinese character by touch-screen or the handwriting input identified region input Chinese character by touch-screen or the initial of the phonetic by speech recognition technology input Chinese character;
The initial obtained of identification is as character code and according to the described character code Chinese character of looking ahead in pre-stored Chinese character base, and described character code is corresponding to 26 English alphabets on the dummy keyboard;
Obtain the stroke by the handwriting input identified region input Chinese character of touch-screen;
If the stroke number that obtains is not more than three, then the stroke that obtains of identification is as stroke code, and that described stroke code comprises is horizontal, vertical, cast aside, press down, put and roll over six kinds of strokes;
According to the stroke code of identifying, retrieval has the Chinese character of this stroke code in pre-stored Chinese character base, and demonstrates the Chinese character selection option that meets at touch-screen; Selection confirmation according to the user shows selected Chinese character.
Press such scheme, when the input identified region number of strokes by touch-screen less than three, and input stops to surpass Preset Time, confirms that then the stroke code input finishes.
Press such scheme, the storage organization of pre-stored Chinese character base is in the described Chinese character hand-written recognition methods: according to frequently the sort single-track link table of Chinese character of same initial of storage of word, and the tree-like chained list that will preserve according to stroke order with the nearly word form under the initial., in actual use, behind the entering stroke code, Chinese character hand-written recognition methods program puts in order according to above-mentioned default Chinese character, demonstrates the Chinese character that meets at touch-screen and selects option.
Press such scheme, in the described input individual Chinese character step (3), after demonstrating the Chinese character that meets on the touch-screen and selecting option, also can continue handwriting input identified region input Chinese character the 4th stroke by touch-screen.
Press such scheme, described stroke code by touch-screen input Chinese character is to input the left-half of this Chinese character or the stroke of the first half at touch-screen successively, and is rear as stroke code by touch-screen identification.
The present invention solves the second technical scheme that its technical matters adopts:
A kind of individual Chinese character hand-written discrimination system is provided, comprises:
Memory module is used for pre-stored Chinese character base;
The character code acquisition module is used for obtaining the initial of phonetic of the initial of phonetic of the dummy keyboard input Chinese character by touch-screen or the handwriting input identified region input Chinese character by touch-screen or the initial of the phonetic by speech recognition technology input Chinese character;
The character code identification module, be used for initial that identification obtains as character code and according to described character code at the pre-stored Chinese character base Chinese character of looking ahead, described character code is corresponding to 26 English alphabets on the dummy keyboard;
The stroke code acquisition module is used for obtaining the stroke by the handwriting input identified region input Chinese character of touch-screen;
The stroke code identification module, if the stroke number that is used for obtaining is not more than three, the stroke that then identification is obtained is as stroke code, that described stroke code comprises is horizontal, vertical, cast aside, press down, put and roll over six kinds of strokes;
The Chinese character display module, according to the stroke code of identifying, retrieval has the Chinese character of this stroke code in pre-stored Chinese character base, and demonstrates the Chinese character selection option that meets at touch-screen; Selection confirmation according to the user shows selected Chinese character.
Press such scheme, described individual Chinese character hand-written discrimination system also comprises:
The input validation module, be used for when the input identified region number of strokes by touch-screen less than three, and input stops to surpass Preset Time, confirms that the stroke code input finishes.
Beneficial effect of the present invention is:
Method provided by the invention can improve the efficient of input: the present invention takes full advantage of the characteristics of touch-screen, do not need to input by keyboard, use the present invention can only input first phonetic letter and part stroke, do not need to input all strokes and nearly all phonetic, Chinese character input number increases in unit interval, can realize the quick input of Chinese character.
In addition, method provided by the invention can improve the success ratio of input identification: the present invention is by reducing the quantity of handwriting input stroke, it for example only is left-half, the first half, perhaps front 4 and only input first phonetic letter, simplify input, can improve success ratio and time and the efficient of identification.In addition, owing to also carry out fast filtering search Chinese character according to initial simultaneously, so that optional Chinese character quantity reduces, improve discrimination, reduce Chinese character input time.
Description of drawings
Fig. 1 is the process flow diagram of an embodiment of the inventive method.
Fig. 2 is system of systems structural representation of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The individual Chinese character hand-written recognition method of the embodiment of the invention can be mainly used in the intelligent terminal that smart mobile phone, panel computer etc. have hand-write recognition function, as the core methed that the mobile devices such as smart mobile phone or panel computer carry out the Chinese Character Recognition input, realize the quick input of Chinese character.
Fig. 1 is the process flow diagram of an embodiment of the inventive method.
Among this embodiment, the concrete steps of individual Chinese character hand-written recognition method are as follows:
S1, obtaining the initial of phonetic transcriptions of Chinese characters with the terminal of touch-screen, can be the initial that the initial of the initial of phonetic of the initial of phonetic of the dummy keyboard input Chinese character by touch-screen or the handwriting input identified region input Chinese character by touch-screen or the phonetic by speech recognition technology input Chinese character is obtained Chinese character;
S2, then identify the initial obtained with the terminal of touch-screen as character code and according to the described character code Chinese character of looking ahead in pre-stored Chinese character base, described character code is corresponding to 26 English alphabets on the dummy keyboard;
S3, obtain the stroke of the handwriting input identified region input Chinese character by touch-screen with the terminal of touch-screen; If the stroke number that obtains is not more than three, then the stroke that obtains of identification is as stroke code, and stroke code comprises conventional horizontal, vertical, slash, right-falling stroke, point, folding etc.;
S4, when the input identified region number of strokes by touch-screen less than three, and input stops to surpass Preset Time (Preset Time is 2 seconds), then finishes with the terminal check stroke code input of touch-screen;
S5, with the terminal of touch-screen according to the stroke code of identifying, retrieval has the Chinese character of this stroke code in pre-stored Chinese character base, and demonstrates the Chinese character that meets at touch-screen and select option; Selection confirmation according to the user shows selected Chinese character.
In this hand-written recognition method, the method for encode Chinese characters for computer is first yard and is the initial of required identification phonetic transcriptions of Chinese characters, is character code; Begin the stroke that according to stroke order splits out for the required input Chinese character from second code, can for left-half or the first half of front 3 or the input Chinese character of this Chinese character, form stroke code.
In this hand-written recognition method, the storage organization of pre-stored Chinese character base is: according to frequently the sort single-track link table of Chinese character of same initial of storage of word, and the tree-like chained list that will preserve according to stroke order with the nearly word form under the initial.Be about to be stored as a single-track link table with the Chinese character of initial consonant, what of hanzi frequency count to preserve successively Chinese character in chained list according to, to save as tree-like chained list according to stroke order with the nearly word form under the initial consonant, namely stroke difference is as branch's (brotgher of node) of tree.
Realize in advance ordering to Chinese character by above-mentioned storage organization, in actual use, after one yard of every input, the hand-written recognition method program puts in order according to default Chinese character, provides Chinese character and selects option.
During the input Chinese character, at first activate this hand-written recognition method, for example input " Lee " word:
At first from the keyboard region that comprises 26 phonetic alphabet of touch-screen screen display, select the initial of this Chinese character: L, then input successively horizontal, vertical, slash at the handwriting area of touch-screen, but the screen display word selection of touch-screen is: 1. building 2. woodss 3. Lee 4. are stupefied, at this moment can directly select 3. Lee, namely finish the input of this word.
The present invention divides the characteristics of having utilized touch-screen, do not need to input by keyboard, use the present invention can only input first phonetic letter and part stroke, do not need to input all strokes and nearly all phonetic, Chinese character input number increases in the unit interval.
Utilize above method, the present invention also provides a kind of individual Chinese character hand-written discrimination system, and the system architecture synoptic diagram specifically comprises as shown in Figure 2:
Memory module 1 is used for pre-stored Chinese character base;
Character code acquisition module 2 is used for obtaining the initial of phonetic of the initial of phonetic of the dummy keyboard input Chinese character by touch-screen or the handwriting input identified region input Chinese character by touch-screen or the initial of the phonetic by speech recognition technology input Chinese character;
Character code identification module 3, be used for initial that identification obtains as character code and according to described character code at the pre-stored Chinese character base Chinese character of looking ahead, described character code is corresponding to 26 English alphabets on the dummy keyboard;
Stroke code acquisition module 4 is used for obtaining the stroke by the handwriting input identified region input Chinese character of touch-screen;
Stroke code identification module 5, if the stroke number that is used for obtaining is not more than three, the stroke that then identification is obtained is as stroke code, that described stroke code comprises is horizontal, vertical, cast aside, press down, put and roll over six kinds of strokes;
Chinese character display module 7, according to the stroke code of identifying, retrieval has the Chinese character of this stroke code in pre-stored Chinese character base, and demonstrates the Chinese character selection option that meets at touch-screen; Selection confirmation according to the user shows selected Chinese character.
Further, in another embodiment of the present invention, this system also comprises input validation module 6, be used for when the input identified region number of strokes by touch-screen less than three, and input stops to surpass Preset Time, confirms that the stroke code input finishes.
How to carry out the identification of Chinese character during concrete the use, but the specific embodiment of reference method part is not repeated herein.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (7)
1. an individual Chinese character hand-written recognition method is characterized in that, may further comprise the steps:
Obtain the initial of phonetic of the initial of phonetic of the dummy keyboard input Chinese character by touch-screen or the handwriting input identified region input Chinese character by touch-screen or the initial of the phonetic by speech recognition technology input Chinese character;
The initial obtained of identification is as character code and according to the described character code Chinese character of looking ahead in pre-stored Chinese character base, and described character code is corresponding to 26 English alphabets on the dummy keyboard;
Obtain the stroke by the handwriting input identified region input Chinese character of touch-screen;
If the stroke number that obtains is not more than three, then the stroke that obtains of identification is as stroke code, and that described stroke code comprises is horizontal, vertical, cast aside, press down, put and roll over six kinds of strokes;
According to the stroke code of identifying, retrieval has the Chinese character of this stroke code in pre-stored Chinese character base, and demonstrates the Chinese character selection option that meets at touch-screen; Selection confirmation according to the user shows selected Chinese character.
2. individual Chinese character hand-written recognition method as claimed in claim 1 is characterized in that, when the input identified region number of strokes by touch-screen less than three, and input stops to surpass Preset Time, confirms that then the stroke code input finishes.
3. individual Chinese character hand-written recognition method as claimed in claim 1, it is characterized in that, the storage organization of described pre-stored Chinese character base is: according to frequently the sort single-track link table of Chinese character of same initial of storage of word, and the tree-like chained list that will preserve according to stroke order with the nearly word form under the initial.
4. individual Chinese character hand-written recognition method as claimed in claim 1 is characterized in that, after touch-screen demonstrates the Chinese character that meets and selects option, also comprises step:
Receive the 4th stroke and identification by the handwriting input identified region input Chinese character of touch-screen, to reduce the quantity of optional Chinese character.
5. individual Chinese character hand-written recognition method as claimed in claim 1 is characterized in that: the stroke code that passes through touch-screen input Chinese character that obtains is for successively at the left-half of this Chinese character of touch-screen input or the stroke of the first half.
6. an individual Chinese character hand-written discrimination system is characterized in that, comprising:
Memory module is used for pre-stored Chinese character base;
The character code acquisition module is used for obtaining the initial of phonetic of the initial of phonetic of the dummy keyboard input Chinese character by touch-screen or the handwriting input identified region input Chinese character by touch-screen or the initial of the phonetic by speech recognition technology input Chinese character;
The character code identification module, be used for initial that identification obtains as character code and according to described character code at the pre-stored Chinese character base Chinese character of looking ahead, described character code is corresponding to 26 English alphabets on the dummy keyboard;
The stroke code acquisition module is used for obtaining the stroke by the handwriting input identified region input Chinese character of touch-screen;
The stroke code identification module, if the stroke number that is used for obtaining is not more than three, the stroke that then identification is obtained is as stroke code, that described stroke code comprises is horizontal, vertical, cast aside, press down, put and roll over six kinds of strokes;
The Chinese character display module, according to the stroke code of identifying, retrieval has the Chinese character of this stroke code in pre-stored Chinese character base, and demonstrates the Chinese character selection option that meets at touch-screen; Selection confirmation according to the user shows selected Chinese character.
7. individual Chinese character hand-written discrimination system as claimed in claim 6 is characterized in that, this system also comprises:
The input validation module, be used for when the input identified region number of strokes by touch-screen less than three, and input stops to surpass Preset Time, confirms that the stroke code input finishes.
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| CN201210493621.9A CN102981767B (en) | 2012-11-28 | 2012-11-28 | A kind of individual Chinese character hand-written recognition method and system |
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| CN201210493621.9A CN102981767B (en) | 2012-11-28 | 2012-11-28 | A kind of individual Chinese character hand-written recognition method and system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104516669A (en) * | 2013-09-27 | 2015-04-15 | 株式会社东芝 | Electronic device and method |
| CN106203538A (en) * | 2016-06-30 | 2016-12-07 | 广东小天才科技有限公司 | Method and device for disassembling single characters of electronic handwriting |
| CN106598920A (en) * | 2016-11-28 | 2017-04-26 | 昆明理工大学 | Similar Chinese character classification method combining stroke codes with Chinese character dot matrixes |
| CN110362214A (en) * | 2019-07-22 | 2019-10-22 | 江苏观复科技信息咨询有限公司 | A kind of input method, equipment and program product |
| CN113515226A (en) * | 2021-05-12 | 2021-10-19 | 南京铉盈网络科技有限公司 | Soft keyboard based on integrated input method |
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| CN1232204A (en) * | 1998-04-16 | 1999-10-20 | 国际商业机器公司 | Chinese handwriting identifying method and device |
| US20090226091A1 (en) * | 2008-03-04 | 2009-09-10 | Apple Inc. | Handwriting Recognition Interface On A Device |
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Patent Citations (3)
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| CN87101946A (en) * | 1986-03-12 | 1987-09-23 | 日本电气株式会社 | Chinese searching mode according to sound understanding |
| CN1232204A (en) * | 1998-04-16 | 1999-10-20 | 国际商业机器公司 | Chinese handwriting identifying method and device |
| US20090226091A1 (en) * | 2008-03-04 | 2009-09-10 | Apple Inc. | Handwriting Recognition Interface On A Device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104516669A (en) * | 2013-09-27 | 2015-04-15 | 株式会社东芝 | Electronic device and method |
| CN106203538A (en) * | 2016-06-30 | 2016-12-07 | 广东小天才科技有限公司 | Method and device for disassembling single characters of electronic handwriting |
| CN106203538B (en) * | 2016-06-30 | 2019-06-14 | 广东小天才科技有限公司 | Method and device for disassembling single characters of electronic handwriting |
| CN106598920A (en) * | 2016-11-28 | 2017-04-26 | 昆明理工大学 | Similar Chinese character classification method combining stroke codes with Chinese character dot matrixes |
| CN106598920B (en) * | 2016-11-28 | 2019-09-27 | 昆明理工大学 | A kind of nearly word form classification method of stroke coding combination Chinese character dot matrix |
| CN110362214A (en) * | 2019-07-22 | 2019-10-22 | 江苏观复科技信息咨询有限公司 | A kind of input method, equipment and program product |
| CN113515226A (en) * | 2021-05-12 | 2021-10-19 | 南京铉盈网络科技有限公司 | Soft keyboard based on integrated input method |
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| CN102981767B (en) | 2015-08-19 |
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