CN102981767B - A kind of individual Chinese character hand-written recognition method and system - Google Patents
A kind of individual Chinese character hand-written recognition method and system Download PDFInfo
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- CN102981767B CN102981767B CN201210493621.9A CN201210493621A CN102981767B CN 102981767 B CN102981767 B CN 102981767B CN 201210493621 A CN201210493621 A CN 201210493621A CN 102981767 B CN102981767 B CN 102981767B
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Abstract
The present invention relates to a kind of individual Chinese character hand-written recognition method for having hand-write recognition function terminal, method is: the initial obtaining the initial of the phonetic of the dummy keyboard input Chinese character by touch-screen or the phonetic by the handwriting input identified region input Chinese character of touch-screen; Identify that the initial that obtains to be looked ahead Chinese character according to character code as character code in the Chinese character base prestored; Obtain the stroke of the handwriting input identified region input Chinese character by touch-screen; Identify that the stroke obtained is as stroke code; According to identified stroke code, in the Chinese character base prestored, retrieval has the Chinese character of this stroke code, and Display of Chinese characters is selected option and shown selected Chinese character according to the selection confirmation of user on the touchscreen.The invention still further relates to a kind of individual Chinese character hand-written discrimination system.This hand-written recognition method and system combine phonetic and stroke input, improve the efficiency of input, by reducing handwritten stroke and phonetic alphabet input, improve the success ratio that input identifies.
Description
Technical field
The invention belongs to Chinese Character Recognition field, particularly a kind of individual Chinese character hand-written recognition method and system.
Background technology
Having a kind of in existing input method of Chinese character is pure spelling input method, namely provides the whole phonetic of Chinese character, and then to provide the word meeting this pronunciation selective for system, determines final input Chinese character.
It is pure hand-writing input method that existing method has a kind of, namely in screen, writes out all Chinese characters, and then wait for 1 second, system identifies, 4-8 the result providing identification is selective, determines final input Chinese character.As i Phone and panel computer, Samsung mobile phone and dull and stereotyped handwritten Chinese character input method.
Above-mentioned input method relies on and inputs Chinese character to the input coding of Chinese character, namely by encoding to pronunciation, stroke etc., is inputted by keyboard.These methods do not make full use of the feature that current smart mobile phone touch-screen can carry out Text region, 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 carrying out Chinese Character Recognition input in the mobile device 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 make full use of current intelligent terminal can carry out the feature of Text region, 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, comprises the following steps:
Obtain the initial of the phonetic of the dummy keyboard input Chinese character by touch-screen or inputted the initial of the initial of the phonetic of Chinese character or the phonetic by speech recognition technology input Chinese character by the handwriting input identified region of touch-screen;
Identify that the initial that obtains to be looked ahead Chinese character according to described character code as character code in the Chinese character base prestored, described character code corresponds to 26 English alphabets on dummy keyboard;
Obtain the stroke of the handwriting input identified region input Chinese character by touch-screen;
If obtain stroke number be not more than three, then identify that the stroke of acquisition is as stroke code, described stroke code comprise horizontal, vertical, skim, right-falling stroke, point and folding six kinds of strokes;
According to identified stroke code, in the Chinese character base prestored, retrieval has the Chinese character of this stroke code, and demonstrates the Chinese character selection option met on the touchscreen; According to the selected Chinese character of selection confirmation display of user.
By such scheme, when the input identified region number of strokes by touch-screen is less than three, and input stopping exceedes Preset Time, then confirm that stroke code has inputted.
By such scheme, the storage organization of the Chinese character base prestored in described Chinese character hand-written recognition methods is: the single-track link table of the Chinese character of the same initial stored according to word frequently sequence, and by tree-like chained list that the nearly word form under same initial is preserved according to stroke order., in actual use, after entering stroke code, Chinese character hand-written recognition methods program puts in order according to above-mentioned default Chinese character, demonstrates the Chinese character met on the touchscreen and selects option.
By such scheme, in described input individual Chinese character step (3), after touch-screen demonstrating the Chinese character selection option met, also can continue through handwriting input identified region input Chinese character the 4th stroke of touch-screen.
By such scheme, the described stroke code by touch-screen input Chinese character is input the left-half of this Chinese character or the stroke of the first half successively on the touchscreen, by after touch-screen identification as stroke code.
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, for prestoring Chinese character base;
Character code acquisition module, for obtaining the initial of the phonetic of the dummy keyboard input Chinese character by touch-screen or being inputted the initial of the initial of the phonetic of Chinese character or the phonetic by speech recognition technology input Chinese character by the handwriting input identified region of touch-screen;
Character code identification module, for identifying that obtained initial to be looked ahead Chinese character according to described character code as character code in the Chinese character base prestored, described character code corresponds to 26 English alphabets on dummy keyboard;
Stroke code acquisition module, for obtaining the stroke of the handwriting input identified region input Chinese character by touch-screen;
Stroke code identification module, if for obtain stroke number be not more than three, then will identify obtain stroke as stroke code, described stroke code comprise horizontal, vertical, skim, right-falling stroke, point and folding six kinds of strokes;
Chinese disply module, according to identified stroke code, in the Chinese character base prestored, retrieval has the Chinese character of this stroke code, and demonstrates the Chinese character selection option met on the touchscreen; According to the selected Chinese character of selection confirmation display of user.
By such scheme, described individual Chinese character hand-written discrimination system also comprises:
Input validation module, is less than three for working as by the input identified region number of strokes of touch-screen, and input stopping exceedes Preset Time, confirms that stroke code has inputted.
Beneficial effect of the present invention is:
Method provided by the invention can improve the efficiency of input: the present invention takes full advantage of the feature of touch-screen, do not need to be inputted by keyboard, use the present invention only can input first phonetic letter and some stroke, do not need to input all strokes and nearly all phonetic, in unit interval, Chinese charater input number increases, and can realize the quick input of Chinese character.
In addition, method provided by the invention can improve the success ratio that input identifies: the present invention is by reducing the quantity of handwriting input stroke, it is only such as left-half, the first half, or first 4 and only input first phonetic letter, simplify input, the success ratio of identification and time and efficiency can be improved.In addition, owing to also carrying out fast filtering search Chinese character according to initial simultaneously, optional Chinese character quantity is reduced, improves discrimination, reduce the Chinese charater input time.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of an embodiment of the inventive method.
Fig. 2 is the system architecture schematic diagram of present system.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, 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, be not intended to limit the present invention.
The individual Chinese character hand-written recognition method of the embodiment of the present invention can be mainly used in the intelligent terminal that smart mobile phone, panel computer etc. have hand-write recognition function, carry out the core methed of Chinese Character Recognition input as the mobile device such as smart mobile phone or panel computer, realize the quick input of Chinese character.
Fig. 1 is the process flow diagram of an embodiment of the inventive method.
In this embodiment, the concrete steps of individual Chinese character hand-written recognition method are as follows:
S1, obtain the initial of phonetic transcriptions of Chinese characters with the terminal of touch-screen, can be the phonetic of the dummy keyboard input Chinese character by touch-screen initial or by the initial of the phonetic of the handwriting input identified region input Chinese character of touch-screen or the initial being obtained Chinese character by the initial of the phonetic of speech recognition technology input Chinese character;
S2, then to identify that with the terminal of touch-screen obtained initial to be looked ahead Chinese character according to described character code as character code in the Chinese character base prestored, described character code corresponds to 26 English alphabets on dummy keyboard;
S3, obtain the stroke by the handwriting input identified region of touch-screen input Chinese character with the terminal of touch-screen; If the stroke number obtained is not more than three, then identify that the stroke of acquisition is as stroke code, stroke code comprises conventional horizontal, vertical, slash, right-falling stroke, point, folding etc.;
S4, be less than three when the input identified region number of strokes by touch-screen, and input stopping exceedes Preset Time (Preset Time is 2 seconds), then the terminal check stroke code with touch-screen has inputted;
S5, with the terminal of touch-screen according to identified stroke code, in the Chinese character base prestored, retrieval has the Chinese character of this stroke code, and demonstrates the Chinese character met on the touchscreen and select option; According to the selected Chinese character of selection confirmation display of user.
In this hand-written recognition method, the initial that the method for encode Chinese characters for computer is first yard is required identification phonetic transcriptions of Chinese characters is character code; Being the stroke that required input Chinese character according to stroke order splits out from second code, can be front 3 or the input left-half of Chinese character or the first half of this Chinese character, composition stroke code.
In this hand-written recognition method, the storage organization of the Chinese character base prestored is: the single-track link table of the Chinese character of the same initial stored according to word frequently sequence, and by tree-like chained list that the nearly word form under same initial is preserved according to stroke order.The Chinese character be about to initial consonant carries out being stored as a single-track link table, according to hanzi frequency count number successively preserve Chinese character in chained list, nearly word form under same initial consonant is saved as tree-like chained list according to stroke order, and namely stroke difference is as branch's (brotgher of node) of tree.
Realize the sequence in advance to Chinese character by above-mentioned storage organization, in actual use, after often inputting one yard, hand-written recognition method program puts in order according to the Chinese character preset, and provides Chinese character and selects option.
During input Chinese character, first activate this hand-written recognition method, such as, input " Lee " word:
First comprise from touch-screen screen display the initial selecting this Chinese character the keyboard region of 26 phonetic alphabet: L, then horizontal, vertical, slash is inputted successively at the handwriting area of touch-screen, the screen display of touch-screen can word selection be: 1. building 2. woods 3. Lee 4. is stupefied, at this moment can directly select 3. Lee, namely complete the input of this word.
The present invention divides the feature that make use of touch-screen, do not need to be inputted by keyboard, use the present invention only can input first phonetic letter and some stroke, do not need to input all strokes and nearly all phonetic, in the unit interval, Chinese charater input number increases.
Utilize above method, present invention also offers a kind of individual Chinese character hand-written discrimination system, system architecture schematic diagram as shown in Figure 2, specifically comprises:
Memory module 1, for prestoring Chinese character base;
Character code acquisition module 2, for obtaining the initial of the phonetic of the dummy keyboard input Chinese character by touch-screen or being inputted the initial of the initial of the phonetic of Chinese character or the phonetic by speech recognition technology input Chinese character by the handwriting input identified region of touch-screen;
Character code identification module 3, for identifying that obtained initial to be looked ahead Chinese character according to described character code as character code in the Chinese character base prestored, described character code corresponds to 26 English alphabets on dummy keyboard;
Stroke code acquisition module 4, for obtaining the stroke of the handwriting input identified region input Chinese character by touch-screen;
Stroke code identification module 5, if for obtain stroke number be not more than three, then will identify obtain stroke as stroke code, described stroke code comprise horizontal, vertical, skim, right-falling stroke, point and folding six kinds of strokes;
Chinese disply module 7, according to identified stroke code, in the Chinese character base prestored, retrieval has the Chinese character of this stroke code, and demonstrates the Chinese character selection option met on the touchscreen; According to the selected Chinese character of selection confirmation display of user.
Further, in another embodiment of the invention, this system also comprises input validation module 6, is less than three for working as by the input identified region number of strokes of touch-screen, and input stopping exceedes Preset Time, confirms that stroke code has inputted.
How to carry out the identification of Chinese character during concrete use, can refer to the specific embodiment of method part, be not repeated herein.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (6)
1. an individual Chinese character hand-written recognition method, is characterized in that, comprises the following steps:
Obtain the initial of the phonetic of the dummy keyboard input Chinese character by touch-screen or inputted the initial of the initial of the phonetic of Chinese character or the phonetic by speech recognition technology input Chinese character by the handwriting input identified region of touch-screen;
Identify that the initial that obtains to be looked ahead Chinese character according to described character code as character code in the Chinese character base prestored, described character code corresponds to 26 English alphabets on dummy keyboard;
Obtain the stroke of the handwriting input identified region input Chinese character by touch-screen;
If obtain stroke number be not more than three, then identify that the stroke of acquisition is as stroke code, described stroke code comprise horizontal, vertical, skim, right-falling stroke, point and folding six kinds of strokes;
According to identified stroke code, in the Chinese character base prestored, retrieval has the Chinese character of this stroke code, and demonstrates the Chinese character selection option met on the touchscreen; According to the selected Chinese character of selection confirmation display of user;
The storage organization of the described Chinese character base prestored is: the single-track link table of the Chinese character of the same initial stored according to word frequently sequence, and by tree-like chained list that the nearly word form under same initial is preserved according to stroke order.
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 is less than three, and input stopping exceedes Preset Time, then confirm that stroke code has inputted.
3. individual Chinese character hand-written recognition method as claimed in claim 1, is characterized in that, after demonstrating the Chinese character selection option met on the touchscreen, also comprises step:
Receive the 4th stroke by the handwriting input identified region input Chinese character of touch-screen and identify, to reduce the quantity of optional Chinese character.
4. individual Chinese character hand-written recognition method as claimed in claim 1, is characterized in that: what obtain is input the left-half of this Chinese character or the stroke of the first half successively on the touchscreen by the stroke code of touch-screen input Chinese character.
5. an individual Chinese character hand-written discrimination system, is characterized in that, comprising:
Memory module, for prestoring Chinese character base;
Character code acquisition module, for obtaining the initial of the phonetic of the dummy keyboard input Chinese character by touch-screen or being inputted the initial of the initial of the phonetic of Chinese character or the phonetic by speech recognition technology input Chinese character by the handwriting input identified region of touch-screen;
Character code identification module, for identifying that obtained initial to be looked ahead Chinese character according to described character code as character code in the Chinese character base prestored, described character code corresponds to 26 English alphabets on dummy keyboard;
Stroke code acquisition module, for obtaining the stroke of the handwriting input identified region input Chinese character by touch-screen;
Stroke code identification module, if for obtain stroke number be not more than three, then will identify obtain stroke as stroke code, described stroke code comprise horizontal, vertical, skim, right-falling stroke, point and folding six kinds of strokes;
Chinese disply module, according to identified stroke code, in the Chinese character base prestored, retrieval has the Chinese character of this stroke code, and demonstrates the Chinese character selection option met on the touchscreen; According to the selected Chinese character of selection confirmation display of user;
The storage organization of the described Chinese character base prestored is: the single-track link table of the Chinese character of the same initial stored according to word frequently sequence, and by tree-like chained list that the nearly word form under same initial is preserved according to stroke order.
6. individual Chinese character hand-written discrimination system as claimed in claim 5, it is characterized in that, this system also comprises:
Input validation module, is less than three for working as by the input identified region number of strokes of touch-screen, and input stopping exceedes Preset Time, confirms that stroke code has inputted.
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| Application Number | Priority Date | Filing Date | Title |
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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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| JP2015069278A (en) * | 2013-09-27 | 2015-04-13 | 株式会社東芝 | Electronic equipment, method, and program |
| CN106203538B (en) * | 2016-06-30 | 2019-06-14 | 广东小天才科技有限公司 | The individual character disassembling method and device of electronic handwriting |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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| CN1007378B (en) * | 1986-03-12 | 1990-03-28 | 日本电气株式会社 | Chinese character retrieval on basis of sound recognition |
| US8908973B2 (en) * | 2008-03-04 | 2014-12-09 | Apple Inc. | Handwritten character recognition interface |
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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 |
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