CN102521573A - Stroke identification method of writing strokes - Google Patents
Stroke identification method of writing strokes Download PDFInfo
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- CN102521573A CN102521573A CN2011104083531A CN201110408353A CN102521573A CN 102521573 A CN102521573 A CN 102521573A CN 2011104083531 A CN2011104083531 A CN 2011104083531A CN 201110408353 A CN201110408353 A CN 201110408353A CN 102521573 A CN102521573 A CN 102521573A
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Abstract
The invention relates to a stroke identification method of writing strokes. For the traditional text information input, the operating efficiency is low, the steps are complicated, a user needs to take longer time to input complete information and misoperation is easily caused due to incorrect clicking; and the text information input also has limitations, namely, the writing range is only limited in a screen region, so as to bring inconvenience to the user. The stroke identification method comprises the following steps: acquiring Chinese character stroke information; outputting the acquired stroke information to a text or symbol identification module; and performing text or symbol information identification on connection and combination of stroke strings by the text or symbol identification module. According to the stroke identification method provided by the invention, the information of the writing strokes is obtained by acquisition and analysis of direction information and time information of the writing strokes according to the corresponding relation of the pre-stored stroke information and the stroke writing direction and writing time information, so that the corresponding texts or symbols are identified by using the obtained stroke information or stroke string information.
Description
Technical field
The present invention relates to a kind of stroke recognition methods of stroke writing.
Background technology
Existing Word message input mode mainly contains following two kinds: one, traditional or simulate traditional keyboard form, the user through a beating keyboard after simulating keyboard carry out the information input; Two, through writing pencil or finger handwriting input on resistance screen or capacitance plate.Yet; First kind of Word message input operation efficiency ratio is lower; Step is more loaded down with trivial details, and the user needs long time input complete information and easily because click the wrong maloperation that produces, second kind of Word message input has limitation too; The scope of promptly writing is made troubles to the user only for screen area.For avoiding the problems referred to above, a kind of speech control mobile phone has appearred again now, and promptly mobile phone is implanted the speech control platform; Need not hands-on, realize the Word message input through voice, yet; Voice control has suitable limitation; It is perfect at first to be that voice technology does not also develop, high to the clear and accuracy requirement of voice, as discerning dialect or non-type voice; Moreover environmental factor restricts voice-operated recall rate equally, and noisy street or other people's interchange all can make equipment produce maloperation.
Summary of the invention
The technical matters that the present invention solved provides a kind of directional information that stroke is write and collection, the analysis of temporal information; Utilize the stroke information of storage in advance and the corresponding relation of stroke presentation direction and writing time information, the stroke recognition methods of the stroke writing of the information of acquisition handwritten stroke.
For solving above-mentioned technical matters, the technical scheme that the present invention takes:
A kind of stroke recognition methods of stroke writing, its special character is:
(1), obtains Chinese-character stroke information: be initial point form right angle coordinate system with the lettering pen; Force direction when writing according to pencil and time are judged basic stroke at the track that rectangular coordinate system forms; Acquisition module is gathered the track that forms, and when basic stroke was perpendicular, the track of acting force and time was on Y axle negative direction; When basic stroke was horizontal, the track of acting force and time was on X axle positive dirction; When basic stroke was right-falling stroke, the track of acting force and time was at the four-quadrant of coordinate system; When basic stroke was left-falling stroke, the track of acting force and time was at the third quadrant of coordinate system; Basic stroke is a little, and the track of acting force and time is at the track that is shorter in length than right-falling stroke of four-quadrant and track; Basic stroke is divided into cross break, casts aside folding for the folding pen; The track of cross break acting force As time goes on; The positive area that at first appears at the X axle turns to Y axle negative area also again through after a while rapidly after after a while; As time goes on the track of left-falling stroke folding acting force at first appears at third quadrant and after after a while, turns to X axle positive area also again through after a while rapidly; The stroke track that collects outputs to the stroke identification module, and the stroke identification module obtains the stroke information that collects according to the acting force of the stroke of storing in the memory module and the corresponding relation judgement of time locus again;
(2), the stroke information obtained outputs to literal or Symbol recognition module, literal or Symbol recognition module to the linking of stroke string, be combined into the identification of style of writing word or symbolic information.
The method that above-mentioned steps (1) is obtained symbolic information is for to be divided into the basic stroke of Chinese character, semicircle left, semicircle to the right with symbol; The track of the acting force of semicircle left As time goes on; From X axle negative area process third quadrant, four-quadrant; Arrive X axle positive area at last, track is similar to counterclockwise involute urve; As time goes on the track of the acting force of semicircle to the right via four-quadrant, third quadrant, arrives X axle negative area from X axle positive area at last, and track is similar to clockwise involute urve.
Above-mentioned acquisition module comprises pencil, pressure and timer inductance loop, sheathed pressure in the upper end of pencil and timer inductance loop, and the bottom of pencil is fixedly connected with the housing of recognition device.
Compared with prior art, beneficial effect of the present invention:
The present invention is through the directional information that stroke is write and collection, the analysis of temporal information; Utilize the stroke information of storage in advance and the corresponding relation of stroke presentation direction and writing time information; Obtain the information of handwritten stroke, and then utilize the stroke information or the stroke string information Recognition that obtain to go out corresponding character or symbol.
Description of drawings
Fig. 1 is an embodiment system chart of the present invention;
Fig. 2 is the structural representation of acquisition module of the present invention;
Fig. 3 is the acting force and the time locus figure of letter C;
Fig. 4 is to the acting force of right semi-circle and time locus figure;
Fig. 5 is the acting force and the time locus figure of horizontal pen for basic stroke;
Fig. 6 is acting force and the time locus figure of basic stroke for perpendicular pen;
Fig. 7 is acting force and the time locus figure of basic stroke for casting aside;
Fig. 8 is acting force and the time locus figure of basic stroke for pressing down;
Fig. 9 is the acting force and the time locus figure of cross break for basic stroke;
Figure 10 is acting force and the time locus figure of basic stroke for the left-falling stroke folding.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Embodiment: referring to Fig. 1, the identification mobile communication terminal of stroke writing comprises stroke handwriting recognition module, function handover module, selects module, central processing control module, phonetic entry output module, energy supply control module, wireless signal transmission receiver module,
Stroke handwriting recognition module is gathered user's stroke writing, discern and is converted into digital data transmission and handles to central processing control module, carries out voice output through the phonetic entry output module again and supplies the user to select;
Select module that digital data transmission is gathered, discerns and converted into to user's the switching or the steering order information of deletion to the central processing control module processing, carry out the voice output feedback user through the phonetic entry output module again;
Digital data transmission is gathered, discerns and converted into to the steering order information that the function handover module switches difference in functionality with the user to the central processing control module processing, carries out the voice output feedback user through the phonetic entry output module again;
Stroke handwriting recognition module comprises acquisition module, stroke identification module, memory module and literal or Symbol recognition module; The stroke identification module is gathered and exported to the information of presentation direction and writing time when wherein, acquisition module was used for the stroke handwriting input; The stroke identification module obtains the stroke information that collects according to the stroke information corresponding relation judgement of storing in the memory module; Literal or Symbol recognition module convert corresponding literal or symbolic information to according to linking, the combined information of resulting stroke information of stroke identification module and stroke again and output to the phonetic entry output module and carry out voice output; The user handles to central processing control module through selecting module that digital data transmission is gathered, discerns and converted into to the steering order information of user's switching or deletion according to the content of voice output; Finally carry out the voice output feedback user through the phonetic entry output module; The information of confirming at last receives mould emission output through wireless signal transmission, also can store information.
Referring to Fig. 2, above-mentioned acquisition module comprises pencil, pressure and timer inductance loop, sheathed pressure in the upper end of pencil and timer inductance loop, and the bottom of pencil is fixedly connected with the housing of recognition device.
The principle of work of acquisition module: the pressure of pressure and timer inductance loop institute sensing be the friction force of pencil and writing medium when writing via the pencil transmission, so orientation, pressure place is consistent with presentation direction; Pressure and timer inductance loop with regular time at interval (as 100 milliseconds) pressure sensor in the orientation at certain time point place; With the lettering pen is initial point, and the circle that equidistance extends out is the time, and that the sensor sensing ring is sensed when writing certain stroke is the particular track figure that pressure changes formation in time.）
The present invention utilizes the stroke recognition methods of above-mentioned stroke writing identification mobile communication terminal:
(1), obtains Chinese-character stroke information: be initial point form right angle coordinate system with the lettering pen; Force direction when writing according to pencil and time are judged basic stroke at the track that rectangular coordinate system forms; Acquisition module is gathered the track that forms, and when basic stroke was perpendicular, the track of acting force and time was on Y axle negative direction; When basic stroke was horizontal, the track of acting force and time was on X axle positive dirction; When basic stroke was right-falling stroke, the track of acting force and time was at the four-quadrant of coordinate system; When basic stroke was left-falling stroke, the track of acting force and time was at the third quadrant of coordinate system; Basic stroke is a little, and the track of acting force and time is at the track that is shorter in length than right-falling stroke of four-quadrant and track; Basic stroke is divided into cross break, casts aside folding for the folding pen; The track of cross break acting force As time goes on; The positive area that at first appears at the X axle turns to Y axle negative area also again through after a while rapidly after after a while; As time goes on the track of left-falling stroke folding acting force at first appears at third quadrant and after after a while, turns to X axle positive area also again through after a while rapidly; The stroke track that collects outputs to the stroke identification module, and the stroke identification module obtains the stroke information that collects according to the acting force of the stroke of storing in the memory module and the corresponding relation judgement of time locus again;
(2), the stroke information of obtaining outputs to literal or Symbol recognition module; Literal or Symbol recognition module to the linking of stroke string, be combined into the identification of style of writing word or symbolic information; Sometimes the action of user writing stroke and off-gauge horizontal stroke or perpendicular, stroke identification module then can be established matching relationship according to the principle of similarity;
(3), being transferred to the phonetic entry output module after literal that identification is good or symbolic information are handled via central processing control module carries out voice output or information is stored.
The method that above-mentioned steps (1) is obtained symbolic information is for to be divided into the basic stroke of Chinese character, semicircle left, semicircle to the right with symbol; The track of the acting force of semicircle left As time goes on; From X axle negative area process third quadrant, four-quadrant; Arrive X axle positive area at last, track is similar to counterclockwise involute urve; As time goes on the track of the acting force of semicircle to the right via four-quadrant, third quadrant, arrives X axle negative area from X axle positive area at last, and track is similar to clockwise involute urve.
" A " is appreciated that the stroke string into " left-falling stroke "+" right-falling stroke "+" horizontal stroke ";
Referring to Fig. 3, " C " promptly is semicircle left, and As time goes on the track of its acting force through third quadrant, four-quadrant, arrives X axle positive area from X axle negative area at last, and track is similar to counterclockwise involute urve.
Referring to Fig. 4,6, " P " promptly is the stroke string that the semicircle of " erecting "+is to the right formed.When writing " semicircle to the right ", As time goes on the track of its acting force via four-quadrant, third quadrant, arrives X axle negative area from X axle positive area at last.Track is similar to clockwise involute urve.
Referring to Fig. 5, when writing horizontal, acting force is consistent with presentation direction, and action time is consistent with writing time.Said acting force is positioned at sense plane X axle positive area, and through after a while.
Referring to Fig. 6, when writing perpendicular, the acting force that sensor senses should be in sense plane in the Y axle negative area, and through after a while.
Referring to Fig. 7, when writing " left-falling stroke ", the acting force that sensor senses should be in sense plane in X and the Y axle negative area, and through after a while, shown in figure seven.
Referring to Fig. 8, when writing " right-falling stroke ", the acting force that sensor senses should be in sense plane in X axle positive area and the Y axle negative area, and, sees from the Chinese character image characteristic that " point " generally is included into and casts aside or press down through after a while, and just writing time is slightly short.
Referring to Fig. 9, the track of the acting force of cross break As time goes on, the positive area that at first appears at the X axle turns to Y axle negative area rapidly after after a while and again through after a while.
Referring to Figure 10, As time goes on the track of the acting force of left-falling stroke folding at first appears at third quadrant and after after a while, turns to X axle positive area also again through after a while rapidly.
In the present invention, user's function executing instruction and function canceling order are also realized through stroke writing information, such as, can represent to carry out the affirmation instruction that is equivalent to use always through stroke input " check mark "+" circle "; Represent to cancel through stroke input " wrong number "+" circle ", the cancel an order that is equivalent to use always could represent specific operation after only adding circle, otherwise wrong number also possibly be interpreted as out of Memory such as " people ", " going into ".
During use, to use the example that is operating as of SMS, the user presses power switch and starts the terminal, and open with the music tip subscriber equipment immediately at the terminal; Then, the user carries out function selecting through the function handover module, and equipment just can begin the content input with the residing POF of voice suggestion user when the user hears the voice suggestion SMS; The user is with stroke mode input information content, and slightly doing pause equipment after each word has been write just has voice suggestion; The user takes further operation according to the result of prompting; If voice suggestion is correct word; The user promptly can continue to write until full content input and finish, if wrong word, then the user need to press the front equipment end button be that the function handover module switches or deletion; Short selection of switching the different words that identical stroke produces by expression, long by the word of expression deletion input just equipment with the music tip user; After user's input finished, the user confirmed with the action of writing of " check mark "+" circle " or cancels with the action of writing of " wrong number "+" circle " that equipment is pointed out with different audio; If All going well is correct, device prompts user imports the object of transmission; The user just can stroke input the other side's name or number; Equipment is equally with voice suggestion; The user takes further operation according to the result of prompting, if voice suggestion is correct word, the user promptly can continue to write until the full content input and finish; If wrong word, then the user need press the front equipment end button and switches or delete; At last, the user confirms with the action of writing of " check mark "+" circle " equally or cancels with the action of writing of " wrong number "+" circle " that equipment is pointed out with voice or sound.
Claims (3)
1. the stroke recognition methods of a stroke writing is characterized in that:
(1), obtains Chinese-character stroke information: be initial point form right angle coordinate system with the lettering pen; Force direction when writing according to pencil and time are judged basic stroke at the track that rectangular coordinate system forms; Acquisition module is gathered the track that forms, and when basic stroke was perpendicular, the track of acting force and time was on Y axle negative direction; When basic stroke was horizontal, the track of acting force and time was on X axle positive dirction; When basic stroke was right-falling stroke, the track of acting force and time was at the four-quadrant of coordinate system; When basic stroke was left-falling stroke, the track of acting force and time was at the third quadrant of coordinate system; Basic stroke is a little, and the track of acting force and time is at the track that is shorter in length than right-falling stroke of four-quadrant and track; Basic stroke is divided into cross break, casts aside folding for the folding pen; The track of cross break acting force As time goes on; The positive area that at first appears at the X axle turns to Y axle negative area also again through after a while rapidly after after a while; As time goes on the track of left-falling stroke folding acting force at first appears at third quadrant and after after a while, turns to X axle positive area also again through after a while rapidly; The stroke track that collects outputs to the stroke identification module, and the stroke identification module obtains the stroke information that collects according to the acting force of the stroke of storing in the memory module and the corresponding relation judgement of time locus again;
(2), the stroke information obtained outputs to literal or Symbol recognition module, literal or Symbol recognition module to the linking of stroke string, be combined into the identification of style of writing word or symbolic information.
2. the stroke recognition methods of a kind of stroke writing according to claim 1; It is characterized in that: the method that described step (1) is obtained symbolic information is for to be divided into the basic stroke of Chinese character, semicircle left, semicircle to the right with symbol; The track of the acting force of semicircle left As time goes on; Through third quadrant, four-quadrant, arrive X axle positive area from X axle negative area at last, track is similar to counterclockwise involute urve; As time goes on the track of the acting force of semicircle to the right via four-quadrant, third quadrant, arrives X axle negative area from X axle positive area at last, and track is similar to clockwise involute urve.
3. the stroke recognition methods of a kind of stroke writing according to claim 1 and 2; It is characterized in that: described acquisition module comprises pencil (1), pressure and timer inductance loop (2); The sheathed pressure in upper end of pencil (1) and timer inductance loop (2), the bottom of pencil (1) is fixedly connected with the housing of recognition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011104083531A CN102521573A (en) | 2011-12-09 | 2011-12-09 | Stroke identification method of writing strokes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104083531A CN102521573A (en) | 2011-12-09 | 2011-12-09 | Stroke identification method of writing strokes |
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| CN102521573A true CN102521573A (en) | 2012-06-27 |
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| CN2011104083531A Pending CN102521573A (en) | 2011-12-09 | 2011-12-09 | Stroke identification method of writing strokes |
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| CN109278440A (en) * | 2018-09-25 | 2019-01-29 | 绵阳鼎飞益电子科技有限公司 | A kind of system write for parkinsonism patient |
| CN109782924A (en) * | 2019-01-09 | 2019-05-21 | 深圳腾千里科技有限公司 | Compound key writes page generation method, equipment, storage medium and device |
| CN111091365A (en) * | 2018-10-24 | 2020-05-01 | 东芝泰格有限公司 | Signature input device and method, terminal, processing method, storage medium and equipment |
| CN117315790A (en) * | 2023-11-28 | 2023-12-29 | 恒银金融科技股份有限公司 | Analysis method of hand writing action and intelligent pen |
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Cited By (7)
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| CN111091365A (en) * | 2018-10-24 | 2020-05-01 | 东芝泰格有限公司 | Signature input device and method, terminal, processing method, storage medium and equipment |
| CN111091365B (en) * | 2018-10-24 | 2024-03-19 | 东芝泰格有限公司 | Signature input device and method, terminal, processing method, storage medium, and device |
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| CN117315790A (en) * | 2023-11-28 | 2023-12-29 | 恒银金融科技股份有限公司 | Analysis method of hand writing action and intelligent pen |
| CN117315790B (en) * | 2023-11-28 | 2024-03-19 | 恒银金融科技股份有限公司 | Analysis method of hand writing action and intelligent pen |
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Application publication date: 20120627 |