CN102799386A - Character input method and device based on sliding speed - Google Patents
Character input method and device based on sliding speed Download PDFInfo
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- CN102799386A CN102799386A CN2012102702989A CN201210270298A CN102799386A CN 102799386 A CN102799386 A CN 102799386A CN 2012102702989 A CN2012102702989 A CN 2012102702989A CN 201210270298 A CN201210270298 A CN 201210270298A CN 102799386 A CN102799386 A CN 102799386A
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Abstract
The invention provides a character input method based on a sliding speed, comprising the following steps: step 1. capturing an original sliding track of a user on a virtual keyboard to obtain a plurality of sampling points; step 2. judging whether the sliding speeds of the user on the plurality of sampling points change significantly; step 3. if no significant change occurs in the sliding speeds, obtaining a candidate output word according to letters on a soft keyboard corresponding to the plurality of sampling points; and step 4. if significant change occurs in the sliding speeds, correcting the letters on the soft keyboard corresponding to the plurality of sampling points to obtain a corrected candidate output word. By using the character input method based on the sliding speed, an input method can better understand the intention of the user, so that the user inputs more smoothly, freely and accurately.
Description
Technical field
The present invention relates to Chinese and English input technology field, particularly a kind of method and device that slides the input Chinese and English based on touch-screen.
Background technology
Sliding input is a kind of in recent years new input mode, i.e. user's continuous line on soft keyboard when line finishes, provides input results.A lot of documents are described sliding input side; Such as " the System and method for continuous stroke word-based text input " that delivered on January 16th, 2003 " based on the system and method for continuous stroke word text input ", " the SHARK2:A Large Vocabulary Shorthand Writing System for Pen-based Computers " that delivered in 2004 " SHARK2: the writing system of a large amount of vocabulary shorthand pen based computers " etc.In the reality, some products also support to slide input mode, such as Swype input method, XT9 input method, SlideIT input method, touch precious input method etc.The traditional click input mode that compares, its principal feature are that fault-tolerance is high, and input is smooth.
, comprising: catch the sliding trajectory of user on dummy keyboard for disclosing a kind of method that slides input Chinese in the patented claim of " CN102117175A " denomination of invention for " a kind of method, device and touch-screen input method system that slides input Chinese " such as publication number; Obtain the related virtual key sequence of said sliding trajectory; Button in the said virtual key sequence screens, and obtains the character list entries; According to said character list entries, obtain corresponding Chinese candidate item, and show.It is thus clear that the present input mode that slides is the locus of on soft keyboard, ruling according to the user foundation as input characters.When the locus of sliding is not enough to distinguish a plurality of inputs possible the time, such as, when the excessive velocities that importer's finger slides, the track that possibly cause sliding can't accurately rest on correct final position.Like this, the literal of demonstration can't reflect the intention that the importer is correct.Based on existing technological importer when sliding input; Particularly starting point, flex point, the terminal point of input are taken every caution against error cautiously in order to avoid exceed the locus of correct button; Like this, input efficiency, the input that obviously can greatly influence the user are experienced, and the correctness of input.
Therefore, need the urgent technical matters that solves of those skilled in the art to be exactly: when the locus of sliding is not enough to distinguish a plurality of inputs possible the time, the true intention that how can discern the user better improves user's input efficiency to reduce erroneous judgement.
Summary of the invention
Technical matters to be solved by this invention provides a kind of method and device that carries out literal input based on the speed that slides, and the locus that particularly ought slide is not enough to distinguish a plurality of inputs possible the time, and sliding speed capable of using is distinguished.Like this, finally can make input method better understand user view, make input smooth more, free, accurate.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of character input method based on sliding speed is characterized in that, comprises the steps:
Whether step 2, the sliding speed of judges between a plurality of sampled points marked change occurs;
If marked change does not appear in step 3 sliding speed, then, obtain the output candidate word according to the letter on the corresponding soft keyboard of original a plurality of sampled points;
If marked change appears in certain sampled point sliding speed of step 4, then the letter on the corresponding soft keyboard of this sampled point is revised, obtain revised output candidate word.
Further, in the said step 2, judge at interval whether marked change of sliding speed according to the distance between the time interval between adjacent sample point and adjacent sample point.
Further, be divided into 10 to 100 milliseconds during the time of said sampled point.
Further; Said judges is in the whether marked change of the sliding speed of a plurality of sampled points: saidly judge whether marked change is whether to confirm greater than a dividing value of drafting in advance through rate of change to sliding speed; When rate of change during greater than this dividing value; Then think marked change, otherwise be non-marked change.
Further, in the said step 4, when the sliding speed of tail end position sampling point accelerates, the letter on the corresponding soft keyboard of tail end sampled point that slides input is revised.
Further, described correction is meant in the tail end position original sliding trajectory is reversed along input trajectory and blocks, thereby gives up the letter on the corresponding soft keyboard of truncation part.
Further, when said sliding speed when the corner position sampled point accelerates, the letter on the corresponding soft keyboard of corner position sampled point is revised.
Further, in the said step 4, it is the center to original sliding trajectory with the flex point that described correction is meant in corner position, and the track that positive and negative both direction carries out blocks, thereby gives up the letter on the corresponding soft keyboard of truncation part.
Further, in the step 4, judge when sliding speed slack-offly, the user rule, and a certain letter revises on the corresponding soft keyboard in the slack-off sampled point region of speed.
Further, said for the method for when sliding speed is slack-off, revising, include but not limited to strengthen possibility and the occurrence number of this letter in final input results.
Simultaneously, the present invention also provides a kind of input device based on sliding speed, comprising:
Catch the track module, catch user's original sliding trajectory on dummy keyboard, obtain a plurality of sampled points;
Whether judge module, the sliding speed of judges between a plurality of sampled points marked change occurs;
If marked change does not appear in the correcting module sliding speed, then, obtain the output candidate word according to the letter on the corresponding soft keyboard of original a plurality of sampled points; If marked change appears in certain sampled point sliding speed, then the letter on the corresponding soft keyboard of this sampled point is revised, obtain revised output candidate word.
Further, described judge module comprises a comparison module, and relatively whether rate of change is confirmed greater than a dividing value of drafting in advance, when rate of change during greater than this dividing value, then thinks marked change, otherwise is non-marked change.
Further, described correcting module comprises:
Truncation module is used in a certain position original sliding trajectory being blocked along input trajectory forward or backwards;
Give up module, be used to give up the letter on the corresponding soft keyboard of truncation part.
Further, said correcting module also is used for strengthening possibility and the occurrence number of a certain letter at final input results.
Simultaneously, the present invention also provides a kind of electronic equipment, comprises aforementioned input device.
Core concept of the present invention is that in sliding the process of input, user's line speed as being a kind of input information, can be used as the foundation of input characters.The present invention has realized utilizing sliding speed that calibration and the method that influences the input characters result are carried out in the locus of input.Utilize sliding speed input, make user's input information more, more information helps input method better recognition user's true intention.The locus that particularly ought slide is not enough to distinguish a plurality of inputs possible the time, and sliding speed capable of using is distinguished.Like this, finally can make input method better understand user view, make input smooth more, free, accurate.
Description of drawings
Fig. 1 is the process flow diagram of the character input method based on sliding speed of the present invention
Fig. 2, the sliding speed of 3 one embodiment of the present of invention changes comparison diagram
Fig. 4 is user's an original sliding trajectory synoptic diagram
Fig. 5 adopts the revised sliding trajectory figure of method of the present invention
Fig. 6 is the original sliding trajectory synoptic diagram of another embodiment of the present invention
Fig. 7, the 8th, the sliding speed of another embodiment of the present invention changes comparison diagram
Fig. 9 is the synoptic diagram of the input device based on sliding speed of the present invention
Embodiment
In order to make the technique scheme of the present invention can be more obviously understandable,, the present invention be done further detailed description below in conjunction with a specific embodiment of the present invention:
As shown in Figure 4, the line of user on touch screen soft-keyboard through the signals collecting function of screen, can be expressed as some sampled points (among the figure shown in the stain).A sampled point can use its locus (generally being the two-dimensional coordinate in the screen plane) and sampling time to represent; One continuously line can be described as the time series of sampled point, so-called line that is to say all sampled points successively with the link to each other track of gained of line.The sampled point of hereinafter mentioning promptly is meant the sampled point that slides in the input signal.
As shown in Figure 1, a kind of character input method based on sliding speed of the present invention comprises:
As shown in Figure 4 is user's original sliding trajectory, and wherein stain is represented sampled point, and sampled point arises from key g and key z finally, and the time interval between adjacent sample point equates that it promptly is sliding trajectory that sampled point is connected with straight line; Obtaining of sampled point is touch-screen and the common completion of relevant software and hardware thereof by equipment.The sampled point of distinct device obtains principle and is not quite similar, and common have capacitive touch screen, a resistive touch screen etc.In the reality, in general, equipment can externally provide the interface that obtains above-mentioned sampled point.Can obtain the time interval between sampled point and sampled point easily through this interface.Be example with the current common mobile phone that uses Android operating system, when equipment obtained a sampled point voluntarily, it was understood signal of external trigger, and the coordinate of this sampled point is provided.Can think that the time that obtains this trigger pip promptly is the sampling time of sampled point.In this example, the time interval of sampled point is exactly the time interval of the trigger pip that writes down in the reality.Consider the follow-up demand and the translational speed of staff, the time that generally requires sampled point here is after comparatively desirable at 10 to 100 milliseconds.
Whether step 2, the speed of judges between a plurality of sampled points do not have marked change;
Whether be whether " significantly " changes and can confirm greater than a dividing value of drafting in advance through rate of change.When rate of change during, then think marked change greater than this dividing value; Otherwise be non-marked change.Like Fig. 2, shown in 3, the variation of sliding speed and speed can calculate through mathematical measure, and wherein horizontal ordinate is the sampled point time, and ordinate is the Cumulative Distance between sampled point.Sampled point among Fig. 2 is a kind of performance of the non-marked change of sliding speed basically point-blank, and the sampled point deflection d direction among Fig. 3 is the performance of sliding speed marked change and quickening.
Step 3, do not have a marked change in this way, then, obtain the output candidate word according to the letter on the corresponding soft keyboards of original a plurality of sampled points;
Step 4, marked change are in this way then revised the letter on the corresponding soft keyboard of corresponding sampled point, obtain revised output candidate word.
Described marked change is appreciated that and is significantly quickening or the slack-off even pause of a certain sampling point position sliding speed.
Provided the remarkable example of accelerating of input tail end of sliding speed in one embodiment of the present of invention: when the sliding speed of tail end position sampling point accelerates; Letter on the corresponding soft keyboard of the tail end sampled point that slides input revises; Concrete grammar is in the tail end position original sliding trajectory to be reversed along input trajectory to block, thereby gives up by the letter on the corresponding soft keyboard of truncation part.
Revising reason on it is: sliding speed is significantly accelerated at the tail end of line, thinks that this moment, the user was in more random incautious input state, and the degree of confidence that the expressed user of sampled point this moment imports reduces.Experiment shows, the user trajectory of this moment mainly shows as " crossing input ", and is promptly sliding too fast and in time do not stop and the paranormal terminating point that causes ruling.To this situation, the track modification method is for oppositely blocking along input trajectory, and it is foundation that how many same variations with the sliding speed of new track after blocking of blocking are tending towards relaxing.Shown in Figure 4 blocking in the correction result, the variation of sliding speed promptly is to be tending towards relaxing, and sliding speed shows as the distance between adjacent sample point in Fig. 3.
Fig. 5 representes the sliding trajectory correction result among Fig. 4, like this, thinks that the user possibly want that the speech of importing is good.This is a true intention of understanding user input, many a kind of alternative word likely.(other alternative word also possibly be derived from and think that user's input trajectory is to wait accurately, such as thinking that the user wants that the speech of importing is goz.Here good and goz all be predefined, slide the speech that can import.)
In the reality; The part that can revise also can be the flex point of line, when the corner position sliding speed accelerates, the letter on the corresponding soft keyboard of corner position sampled point is revised; Concrete grammar is to original sliding trajectory in corner position; With the flex point is the center, and the track that positive and negative both direction carries out blocks, thereby gives up the letter on the corresponding soft keyboard of truncation part.
The another kind that embodiment 2 provides is based on the character input method of sliding speed; When sliding speed slack-off (containing pause); The method that input results is revised; Include but not limited to user speed slack-off (the containing pause) region of a certain letter on soft keyboard of ruling, then strengthen possibility and the occurrence number of this letter in final input results.
When user's desire input speech " too ", its track should be as shown in Figure 6, and wherein the connotation of stain and straight line is identical with Fig. 4, and track arises from key t and key o finally.Yet speech " to " has same track with it.What how to distinguish that the user more wants to import is that which speech is the soluble problem of the present invention.If promptly the user pauses on key o to some extent, then strengthen " o " possibility in net result and present number of times, think that the user tends to input " too ", otherwise think that then the user tends to input " to ".Here " too " and " to " all be predefined, can slide the speech of input.(implication of figure is identical with Fig. 2) is as shown in Figure 6 does not stop at key o place for the d-t of two kinds of input modes figure; Input " to " pauses at key o place like Fig. 7, and input " too " is visible from figure; Under the essentially identical situation of space tracking, sliding speed can be distinguished both.
Corresponding, the present invention also provides a kind of input device based on sliding speed, as shown in Figure 9 comprising:
Catch the track module, catch user's original sliding trajectory on dummy keyboard, obtain a plurality of sampled points.
Whether judge module, the sliding speed of judges between a plurality of sampled points marked change occurs.
If marked change does not appear in the correcting module sliding speed, then, obtain the output candidate word according to the letter on the corresponding soft keyboard of original a plurality of sampled points; If marked change appears in certain sampled point sliding speed, then the letter on the corresponding soft keyboard of this sampled point is revised, obtain revised output candidate word.
Described judge module comprises a comparison module, and relatively whether rate of change is confirmed greater than a dividing value of drafting in advance, when rate of change during greater than this dividing value, then thinks marked change, otherwise is non-marked change.
Described correcting module comprises: truncation module is used in a certain position original sliding trajectory being blocked along input trajectory forward or backwards; Give up module, be used to give up the letter on the corresponding soft keyboard of truncation part.
Said correcting module also is used for strengthening possibility and the occurrence number of a certain letter at final input results.
The present invention includes but not only limit the use of in smart mobile phone, other the electronic equipment that slides input that adopts also all can adopt method of the present invention and device, thus the invention still further relates to one comprise above-mentioned input device electronic equipment.
It is understandable that though the present invention with the preferred embodiment disclosure as above, yet the foregoing description is not in order to limit the present invention.For any those of ordinary skill in the art; Do not breaking away under the technical scheme scope situation of the present invention; All the technology contents of above-mentioned announcement capable of using is made many possible changes and modification to technical scheme of the present invention, or is revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical scheme of the present invention, all still belongs in the scope of technical scheme protection of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (16)
1. the character input method based on sliding speed is characterized in that, comprises the steps:
Step 1, seizure user original sliding trajectory on dummy keyboard obtain a plurality of sampled points;
Whether step 2, the sliding speed of judges between a plurality of sampled points marked change occurs;
If marked change does not appear in step 3 sliding speed, then, obtain the output candidate word according to the letter on the corresponding soft keyboard of original a plurality of sampled points;
If marked change appears in certain sampled point sliding speed of step 4, then the letter on the corresponding soft keyboard of this sampled point is revised, obtain revised output candidate word.
2. the character input method based on sliding speed according to claim 1 is characterized in that, in the said step 2, judges at interval whether marked change of sliding speed according to the distance between the time interval between adjacent sample point and adjacent sample point.
3. the character input method based on sliding speed according to claim 2 is characterized in that, is divided into 10 to 100 milliseconds during time of sampled point.
4. the described character input method of claim 2 based on sliding speed; It is characterized in that; Judges is in the whether marked change of the sliding speed of a plurality of sampled points: saidly judge whether marked change is whether to confirm greater than a dividing value of drafting in advance through rate of change to sliding speed; When rate of change during, then think marked change, otherwise be non-marked change greater than this dividing value.
5. the described character input method based on sliding speed of claim 4 is characterized in that, in the step 4, when the sliding speed of tail end position sampling point accelerates, the letter on the corresponding soft keyboard of tail end sampled point that slides input is revised.
6. the described character input method of claim 5 based on sliding speed; It is characterized in that; In the step 4, described correction is meant in the tail end position original sliding trajectory is reversed along input trajectory and blocks, thereby gives up the letter on the corresponding soft keyboard of truncation part.
7. the described character input method based on sliding speed of claim 4 is characterized in that, in the step 4, when the sliding speed of corner position sampled point accelerates, the letter on the corresponding soft keyboard of corner position sampled point is revised.
8. the described character input method based on sliding speed of claim 7 is characterized in that, in the step 4; Described correction is meant in corner position original sliding trajectory; With the flex point is the center, and the track that positive and negative both direction carries out blocks, thereby gives up the letter on the corresponding soft keyboard of truncation part.
9. the described character input method based on sliding speed of claim 4 is characterized in that, in the step 4, judges when sliding speed slack-offly, and the user rule, and a certain letter revises on the corresponding soft keyboard in the slack-off sampled point region of speed.
10. the described character input method based on sliding speed of claim 9 is characterized in that, and is said for the method for when sliding speed is slack-off, revising, and includes but not limited to strengthen possibility and the occurrence number of this letter in final input results.
11. the described character input method based on sliding speed of claim 10 is characterized in that, said speed is slack-off also to comprise pause.
12. the input device based on sliding speed is characterized in that, comprising:
Catch the track module,, obtain a plurality of sampled points in order to catch user's original sliding trajectory on dummy keyboard;
Whether judge module marked change occurs in order to the sliding speed of judges between a plurality of sampled points;
Correcting module if marked change does not appear in sliding speed, then according to the letter on the corresponding soft keyboard of original a plurality of sampled points, obtains the output candidate word; If marked change appears in certain sampled point sliding speed, then the letter on the corresponding soft keyboard of this sampled point is revised, obtain revised output candidate word.
13. the input device based on sliding speed according to claim 12; It is characterized in that; Described judge module comprises a comparison module, and relatively whether rate of change is confirmed greater than a dividing value of drafting in advance, when rate of change during greater than this dividing value; Then think marked change, otherwise be non-marked change.
14. the input device based on sliding speed according to claim 12 is characterized in that, described correcting module comprises:
Truncation module is used in a certain position original sliding trajectory being blocked along input trajectory forward or backwards;
Give up module, be used to give up the letter on the corresponding soft keyboard of truncation part.
15. the input device based on sliding speed according to claim 12 is characterized in that, said correcting module also is used for strengthening possibility and the occurrence number of a certain letter at final input results.
16. an electronic equipment is characterized in that, comprises each described input device in the aforementioned claim 12 to 15.
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| CN2012102702989A CN102799386A (en) | 2012-07-31 | 2012-07-31 | Character input method and device based on sliding speed |
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| CN2012102702989A CN102799386A (en) | 2012-07-31 | 2012-07-31 | Character input method and device based on sliding speed |
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| CN105159550A (en) * | 2015-07-09 | 2015-12-16 | 百度在线网络技术（北京）有限公司 | Method and apparatus for determining effective input sequences of slide operations |
| CN105260113A (en) * | 2015-09-18 | 2016-01-20 | 科大讯飞股份有限公司 | Sliding input method and apparatus and terminal device |
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| CN102117175A (en) * | 2010-09-29 | 2011-07-06 | 北京搜狗科技发展有限公司 | Method and device for inputting Chinese in sliding way and touch-screen input method system |
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Application publication date: 20121128 |