CN103558943B - Realize the method and system of multi-modal synchronization input - Google Patents
Realize the method and system of multi-modal synchronization input Download PDFInfo
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Abstract
The invention discloses a kind of method and system realizing multi-modal synchronization input, the method includes: gathers the touch screen information of user's input, and chronologically touch screen information is recorded as two-dimensional coordinate point sequence；Determine that input pattern, described input pattern include according to described two-dimensional coordinate point sequence: key-press input pattern, handwriting input mode and button switching input pattern；According to described input pattern, described touch screen information is identified, is identified result；Judge whether to perform new input pattern；If it is, return the step performing to determine input pattern according to described two-dimensional coordinate point sequence；Otherwise keep current input mode.Utilize the present invention, it is possible to achieve the problem of the Freely input of the continuous word string of dissimilar character, improve input efficiency.
Description
Technical field
The present invention relates to human-computer interaction technique field, be specifically related to a kind of method realizing multi-modal synchronization input
And system.
Background technology
Conventional input systems typically can provide multiple input pattern, such as handwriting input and key-press input, but generally
Different input patterns are individualisms, i.e. before input character user firstly the need of determining current input mould
Formula: or with keyboard input or with handwriting input, and by received touch screen information according to default input
Pattern resolves.Under such setting, user is when input is with the continuous word string of dissimilar character,
Generally require and constantly adjust input pattern to meet the demand of kinds of characters type input, as to Chinese character
Input switches to the handwriting mode input pattern being more accustomed to, and the input to English word or symbol then switches to
Key mode inputs.On the one hand input pattern switching causes continuous word string entirety input efficiency low, separately frequently
On the one hand user writing is experienced and is greatly reduced, and uses inconvenience, has bigger limitation.
This industry proposes a kind of method supporting multi-modal synchronization to input, and the method receives user at system
The button at one interface or the touch screen information of handwriting input, carry out automatic decision and to touch screen information to input pattern
Carry out related resolution and obtain corresponding content of text.The method achieve the letter under unified interface, numeral,
The button operation of the characters such as symbol and the handwriting input of character.
But when needing by the character of key-press input not at current unified interface, be not the most currently by
During the status of a sovereign character of key, the method still completes specific firstly the need of manual switching to corresponding inputting interface again
The input of character.Obvious such method still cannot realize complete synchronization input, with 9 input through keyboard circle
As a example by face, carry out phonetic key-press input at interface shown in Fig. 1, if but need input numeral, just need manually
Switch to the digital inputting interface shown in Fig. 2.
Summary of the invention
The embodiment of the present invention provides a kind of method and system realizing multi-modal synchronization input, existing to solve
Multi-mode input system can not realize the problem of the Freely input of the continuous word string of dissimilar character, improves defeated
Enter efficiency.
To this end, the embodiment of the present invention following technical scheme of offer:
A kind of method realizing multi-modal synchronization input, including:
Gather the touch screen information of user's input, and chronologically touch screen information is recorded as two-dimensional coordinate point sequence；
Determine that input pattern, described input pattern include according to described two-dimensional coordinate point sequence: key-press input mould
Formula, handwriting input mode and button switching input pattern；
According to described input pattern, described touch screen information is identified, is identified result；
Judge whether to perform new input pattern；
If it is, return the step performing to determine input pattern according to described two-dimensional coordinate point sequence；Otherwise
Keep current input mode.
Preferably, described according to described input pattern, described touch screen information is identified, is identified result
Including:
If described input pattern is handwriting input mode, then described touch screen information is carried out handwriting recognition, obtain
Take text word string；
If described input pattern is key-press input pattern, then determine correspondence according to the position of described touch screen information
Enliven button, then obtain and described enliven the text word string that button is corresponding；
If described input pattern is button switches input pattern, then determine according to the position of described touch screen information
With the non-position key in key mapping, then obtain character corresponding to described non-position key and on shield display.
Preferably, described determine that input pattern includes according to described two-dimensional coordinate point sequence:
The contact action judging user according to described two-dimensional coordinate point sequence is stroke action or presses action；
If stroke action, it is determined that there is the two of maximum moving distance in unit judgement detection time interval
Direction d between sampled point；
If described direction d is in default direction scope dt, it is determined that switch input pattern for button；
It it is otherwise handwriting input mode；
If pressing action, then obtain the second of setting judge in time T2 the accumulation movement of sampled point away from
From；
If described second judges that the accumulation displacement of sampled point is more than the second judgement preset in time T2
Distance S2, it is determined that switch input pattern for button；
If described second judges the accumulation displacement of sampled point in time T2 less than or equal to the preset
Two judging distance S2, and produce described second and judge having of the accumulation displacement of sampled point in time T2
The effect time is more than the second judgement time T2, it is determined that switch input pattern for button；Otherwise be defined as by
Key input pattern.
Preferably, described judge user according to described two-dimensional coordinate point sequence contact action be stroke action also
It is to press action to include:
Obtain first set and judge the accumulation displacement of sampled point in time T1；
If described first judges that the accumulation displacement of sampled point is more than the first judgement preset in time T1
Distance S1, it is determined that the contact action of user is that stroke moves, and otherwise determines that the contact action of user is to press
Action.
Preferably, judge whether described in that performing new input pattern includes:
Judge current character end of input the most；
If it has ended, then determine and perform new input pattern；Otherwise determine and do not perform new input pattern.
Preferably, described judge that current character end of input the most includes:
When handwriting input mode, if user's lifts the time time threshold more than setting, and user
The person's handwriting of input meets person's handwriting complete condition in the distribution writing region, it is determined that current character has inputted knot
Bundle；
When key-press input pattern or button switch input pattern, shielding if had on character, determining current character
End of input.
A kind of system realizing multi-modal synchronization input, including:
Acquisition module, for gathering the touch screen information of user's input, and is recorded as two by touch screen information chronologically
Dimension coordinate point sequence；
Input pattern determines module, for determining input pattern according to described two-dimensional coordinate point sequence, described defeated
Enter pattern to include: key-press input pattern, handwriting input mode and button switching input pattern；
Identification module, for being identified described touch screen information according to described input pattern, is identified knot
Really；
Judge module, for judging whether to perform new input pattern；If it is, notify described input mould
Formula determines that module performs to determine the operation of input pattern according to described two-dimensional coordinate point sequence；Otherwise notice is described
Input pattern determines that module keeps output current input mode.
Preferably, described identification module includes:
First identification module, for when described input pattern is handwriting input mode, to described touch screen information
Carry out handwriting recognition, obtain text word string；
Second identification module, for when described input pattern is key-press input pattern, believes according to described touch screen
What the position of breath determined correspondence enlivens button, then obtains and described enlivens the text word string that button is corresponding；
3rd identification module, for when described input pattern is button switching input pattern, touching according to described
The position of screen information determines the non-position key in same key mapping, then obtains character corresponding to described non-position key upper screen
Display.
Preferably, described input pattern determines that module includes:
Action judge module, is stroke for the contact action judging user according to described two-dimensional coordinate point sequence
Action is still pressed in action；
First determines module, is stroke action for the contact action judging user at described action judge module
Time, there is the direction d between maximum moving distance two sampled point in determining unit judgement detection time interval；As
The most described direction d is in default direction scope dt, it is determined that switch input pattern for button；It is otherwise
Handwriting input mode；
Second determines module, is to press action for the contact action judging user at described action judge module
Time, obtain second set and judge the accumulation displacement of sampled point in time T2；If described second sentences
In break time T2, the accumulation displacement of sampled point is more than the second judging distance S2 preset, it is determined that for pressing
Key switching input pattern；If described second judge in time T2 the accumulation displacement of sampled point less than or
Equal to the second judging distance S2 preset, and produce described second and judge the accumulation of sampled point in time T2
The effective time of displacement is more than the second judgement time T2, it is determined that switch input pattern for button；
Otherwise it is defined as key-press input pattern.
Preferably, described action judge module, adopt specifically for obtaining in first set judges time T1
The accumulation displacement of sampling point；And judge the accumulation displacement of sampled point in time T1 described first
During more than the first judging distance S1 preset, determine that the contact action of user is that stroke moves, otherwise determine use
The contact action at family is to press action.
Preferably, described judge module, specifically for judging current character end of input the most；If
Terminate, it is determined that perform new input pattern；Otherwise determine and do not perform new input pattern.
Preferably, when handwriting input mode, if the time of lifting that described judge module judges user is more than
Set time threshold, and user input person's handwriting meet person's handwriting complete condition in the distribution writing region,
Then determine current character end of input；
When key-press input pattern or button switch input pattern, if described judge module judges have on character
Screen then determines current character end of input.
What the embodiment of the present invention provided realizes the method and system of multi-modal synchronization input, according to user's input
Touch screen information automatically determines input pattern, such that it is able to receive the key-press input of user and hand-written at same interface
Person's handwriting inputs, and the button switching input of the user's status of a sovereign non-to button character, and realizes input word string
Effectively resolve, it is achieved that the continuous input of word string, be effectively improved efficiency and the Consumer's Experience of overall input.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to enforcement
In example, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
Some embodiments described in the present invention, for those of ordinary skill in the art, it is also possible to according to these
Accompanying drawing obtains other accompanying drawing.
Fig. 1 is phonetic key-press input interface schematic diagram in prior art；
Fig. 2 is digital keys inputting interface schematic diagram in prior art；
Fig. 3 is multi-mode inputting interface schematic diagram in the embodiment of the present invention；
Fig. 4 is the flow chart that the embodiment of the present invention realizes the method for multi-modal synchronization input；
Fig. 5 is scope schematic diagram in direction in the embodiment of the present invention；
Fig. 6 is the structural representation that the embodiment of the present invention realizes the system of multi-modal synchronization input；
Fig. 7 is a kind of concrete structure schematic diagram that in the embodiment of the present invention, input pattern determines module.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the scheme of the embodiment of the present invention, below in conjunction with the accompanying drawings
With embodiment, the embodiment of the present invention is described in further detail.
Owing to stroke number alphabetical, numbers and symbols is less and similar character is many, handwriting input under normal circumstances
Recognition effect is the most limited, thus tends to key-press input more.And due to the restriction of inputting interface size, no
Often take same button with character such as letter, numeral, the symbol etc. of type, thus prior art is in input
Need to carry out the switching at different interface during dissimilar symbol, to activate different types of button.
For the restriction to input word string type continuously of the existing multi-modal synchronization input method, the embodiment of the present invention
Propose the method and system of a kind of new multi-modal synchronization input, be possible not only on same interface receive and use
The key-press input at family and handwriting input, but also user can be received the button of inactive button is switched input
Deng, and realize the effective parsing to input word string by automatic decision, it is achieved that the continuous input of word string.
The embodiment of the present invention realizes a kind of inputting interface such as Fig. 3 institute of multi-modal synchronization input method and system
Show.
In embodiments of the present invention, input pattern includes: key-press input pattern, handwriting input mode and press
Key switching input pattern, described button switching input pattern has referred to inactive button (such as " abc " in Fig. 3
Keys upwards non-status of a sovereign character " 2 ") input.
As shown in Figure 4, it is the embodiment of the present invention flow chart of method that realizes multi-modal synchronization input, including
Following steps:
Step 401, gathers the touch screen information of user's input, and touch screen information is recorded as two dimension seat chronologically
Punctuation sequence.
Such as, (x, y), wherein x, y are respectively touch screen information to be recorded as two-dimensional coordinate point sequence chronologically
The abscissa of each sampled point and vertical coordinate.
According to described two-dimensional coordinate point sequence, step 402, determines that input pattern, described input pattern include:
Key-press input pattern, handwriting input mode and button switching input pattern.
Specifically, can according to the contact action that described two-dimensional coordinate point sequence judges user be stroke action also
It is to press action.If stroke action, it is determined that the input pattern that described stroke action is corresponding is hand-written defeated
Enter pattern or button switching input pattern；If pressing action, it is determined that described in press corresponding defeated of action
Entering pattern is key-press input pattern or button switching input pattern.
In general, when user does stroke action, the person's handwriting displacement collected in the unit interval is longer,
And user is when pressing action, in the unit interval, on touch screen, person's handwriting displacement is the shortest.Therefore, exist
In actual application, first can determine that user moves according to touch screen information displacement within the unit interval
Make.
Specifically, can in default judgement time T1, to time per unit (the usual T1=n* unit interval,
Each unit interval can be 100ms.Sample in) compare sampled point accumulation displacement S and judge away from
Relation from S1.If S > S1, it is determined that for stroke action；Otherwise for pressing action.
Under being judged as stroke action state, the user's touch screen information collected often has bigger displacement,
The input pattern of its correspondence may be handwriting input mode or button switching input pattern (because button switching defeated
Enter mode and also there is certain time stroke action, and have such possible: user keeps contact condition
And stay for some time).In this case, in addition it is also necessary to further discriminate between handwriting input mode or by
Key switching input pattern.
Generally there is its specific writing rules due to handwritten character stroke, and button switching input is generally by system
Pre-set, therefore, according to the presentation direction feature of stroke, it can be distinguished in embodiments of the present invention.
Specifically, it can be determined that in unit judgement detection time interval, direction between maximum moving distance two sampled point occurs
D and the relation of direction scope dt, if d is in scope dt of direction, it is judged that switch input pattern for button；
Otherwise it is judged as handwriting input mode.
Pressing under operating state being judged as, the displacement of the user's touch screen information collected is typically small, and it is right
The input pattern answered is probably key-press input pattern or button switching input pattern.In this case, also need
Further discriminate between key-press input pattern or button switching input pattern.
Due under key-press input pattern, user contact that time of specific keys is the shortest and accumulation mobile away from
From less, otherwise the key press time of button handover operation is the longest or accumulation displacement is bigger.To this end,
In actual applications, from time of contact and shift length, it can be further discriminated between.Specifically, may be used
With in default judgement time T2, to the sample in time per unit, compare sampled point accumulation displacement
S and the relation of judging distance S2.If S > S2, it is determined that switch input pattern for button；If S≤S2
But the time producing this section of displacement has exceeded judgement time T2, it is determined that switch input pattern for button；
Other situations (i.e. S≤S2 but produce the time of this section of displacement not less than T2) are all judged as that button is defeated
Enter pattern.
It should be noted that be judged as pressing under operating state above-mentioned, the feelings terminated if there is a stroke
Condition, is i.e. judged as key-press input pattern.
Step 403, is identified described touch screen information according to described input pattern, is identified result.
It is previously noted that in embodiments of the present invention, input pattern has three kinds, respectively: key-press input pattern,
Handwriting input mode and button switching input pattern.For these three input pattern, phase can be respectively adopted
The recognition method answered obtains recognition result.Specifically:
If input pattern is handwriting input mode, then described touch screen information being carried out handwriting recognition, it is right to obtain
The text word string answered；
If input pattern is key-press input pattern, then determine the work of correspondence according to the position of described touch screen information
Jump button, then obtains and described enlivens the text word string that button is corresponding；
If described input pattern is button switches input pattern, then determine according to the position of described touch screen information
With the non-position key in key mapping, then obtain character (such as letters/symbols/numeral) corresponding to described non-position key and
Upper screen shows.
Step 404, it may be judged whether perform new input pattern；If it is, perform step 402；Otherwise,
Perform step 405.
Step 405, keeps current input mode.
It should be noted that above-mentioned each parameter can be arranged when system initialization, including the first judgement time
T1, second judge time T2, once judge time interval t, the first judging distance S1, second judge away from
From S2, direction scope dt.In general, the setting of these parameters depends on the size of display screen sample rate,
The speed of hardware processor and the framework etc. of systems soft ware.In actual applications, it is contemplated that user writes
Experience and actual effect, can judge that time T1 is taken as 200ms by first；Second judges that time T2 takes
For 500ms；Once judge that time interval t is taken as 50ms；First judging distance S1 is 20 pixels；
Second judging distance S2 is 30 pixels；Direction scope dt is (75 °, 105 °), as black in Fig. 6
Shown in territory, zone.
As can be seen here, what the embodiment of the present invention provided realizes the method that multi-modal synchronization inputs, defeated according to user
The touch screen information entered automatically determines input pattern, and described input pattern includes: key-press input pattern, hands
Write input pattern and button switching input pattern, such that it is able to receive the key-press input of user at same interface
Input with handwriting, and the button switching input of the user's status of a sovereign non-to button character, and realize input
Effective parsing of word string, it is achieved that the continuous input of word string, is effectively improved efficiency and the use of overall input
Family is experienced.
Correspondingly, the embodiment of the present invention also provides for a kind of system realizing multi-modal synchronization input, such as Fig. 6 institute
Show, be a kind of structural representation of this system.
In this embodiment, described system includes:
Acquisition module 601, for gathering the touch screen information of user's input, and chronologically by touch screen information record
For two-dimensional coordinate point sequence；
Input pattern determines module 602, for determining input pattern according to described two-dimensional coordinate point sequence, and institute
State input pattern to include: key-press input pattern, handwriting input mode and button switching input pattern；
Identification module 603, for being identified described touch screen information according to described input pattern, is known
Other result；
Judge module 604, for judging whether to perform new input pattern；If it is, notify described defeated
Enter mode decision module and perform to determine according to described two-dimensional coordinate point sequence the operation of input pattern；Otherwise notify
Described input pattern determines that module exports current input mode.
In this embodiment, input pattern determines module 602 to need first to determine that the contact action of user is pen
Action is still pressed in picture action, and then determines the concrete input pattern in the case of different action again.To this end, it is defeated
The one entering mode decision module 602 implement structure as it is shown in fig. 7, comprises: action judge module
701, first determines that module 702 and second determines module 703.Wherein:
Action judge module 701, for the contact action judging user according to described two-dimensional coordinate point sequence be
Stroke action still presses action；
First determines module 702, for the contact action judging user at described action judge module 701 is
During stroke action, in determining unit judgement detection time interval, there is the side between maximum moving distance two sampled point
To d；If described direction d is in default direction scope dt, it is determined that switch input pattern for button；
It it is otherwise handwriting input mode；
Second determines module 703, for the contact action judging user at described action judge module 701 is
When pressing action, obtain second set and judge accumulation displacement S of sampled point in time T2；If
Described accumulation displacement S is more than the second judging distance S2 preset, it is determined that for button switching input mould
Formula；If described accumulation displacement S is less than or equal to the second judging distance S2 preset, and produces
The effective time of this section of displacement is more than T2, it is determined that switch input pattern for button；Otherwise determine
For key-press input pattern.
Above-mentioned action judge module 701 specifically can determine that the contact action of user is stroke in the following manner
Action is still pressed in action: obtains first set and judges accumulation displacement S of sampled point in time T1；
And when described accumulation displacement is more than the first judging distance S1 preset, determine the touch screen behaviour of user
Work is that stroke moves, and otherwise determines that the contact action of user is to press action.
It should be noted that above-mentioned input pattern determines that module 602 is not limited in structure shown in Fig. 7,
In actual application, it is also possible to use other version, this embodiment of the present invention is not limited.
It addition, in embodiments of the present invention, it is judged that module 604 specifically can be the most defeated according to current character
Enter and terminate to determine whether to perform new input pattern.If it has ended, then determine and perform new input pattern；
Otherwise determine and do not perform new input pattern.Specifically, when handwriting input mode, it is judged that module 604
If judging that user's lifts the time time threshold more than setting, and the person's handwriting of user's input writing district
The distribution in territory meets person's handwriting complete condition, it is determined that current character end of input；In key-press input pattern or
During button switching input pattern, it is judged that module 604 judges, if having on character and shielding, to determine that current character is the most defeated
Enter to terminate.
In embodiments of the present invention, identification module 603 can be carried out according to the different input patterns of user accordingly
Text region.Specifically, identification module 603 may include that
First identification module, for when described input pattern is handwriting input mode, to described touch screen information
Carry out handwriting recognition, obtain text word string；
Second identification module, for when described input pattern is key-press input pattern, believes according to described touch screen
What the position of breath determined correspondence enlivens button, then obtains and described enlivens the text word string that button is corresponding；
3rd identification module, for when described input pattern is button switching input pattern, touching according to described
The position of screen information determines the non-position key in same key mapping, then obtains character corresponding to described non-position key upper screen
Display.
What the embodiment of the present invention provided realizes the system of multi-modal synchronization input, according to the touch screen letter of user's input
Breath automatically determines input pattern, and described input pattern includes: key-press input pattern, handwriting input mode
And button switching input pattern, such that it is able to receive key-press input and the handwriting of user at same interface
Input, and the button switching input of the user's status of a sovereign non-to button character, and realize inputting the effective of word string
Resolve, it is achieved that the continuous input of word string, be effectively improved efficiency and the Consumer's Experience of overall input.
Each embodiment in this specification all uses the mode gone forward one by one to describe, phase homophase between each embodiment
As part see mutually, what each embodiment stressed is different from other embodiments it
Place.For system embodiment, owing to it is substantially similar to embodiment of the method, so describing
Fairly simple, relevant part sees the part of embodiment of the method and illustrates.System described above is implemented
Example is only that schematically the wherein said unit illustrated as separating component can be or may not be
Physically separate, the parts shown as unit can be or may not be physical location, the most permissible
It is positioned at a place, or can also be distributed on multiple NE.Can select according to the actual needs
Some or all of module therein realizes the purpose of the present embodiment scheme.Those of ordinary skill in the art exist
In the case of not paying creative work, i.e. it is appreciated that and implements.
Being described in detail the embodiment of the present invention above, detailed description of the invention used herein is to this
Bright being set forth, the explanation of above example is only intended to help to understand the method and apparatus of the present invention；With
Time, for one of ordinary skill in the art, according to the thought of the present invention, in detailed description of the invention and application
All will change in scope, in sum, this specification content should not be construed as limitation of the present invention.
Claims (12)
1. the method realizing multi-modal synchronization input, it is characterised in that including:
Gather the touch screen information of user's input, and chronologically touch screen information is recorded as two-dimensional coordinate point sequence；
Determine that input pattern, described input pattern include according to described two-dimensional coordinate point sequence: key-press input mould
Formula, handwriting input mode and button switching input pattern；
According to described input pattern, described touch screen information is identified, is identified result；
Judge whether to perform new input pattern；
If it is, return the step performing to determine input pattern according to described two-dimensional coordinate point sequence；Otherwise
Keep current input mode.
Method the most according to claim 1, it is characterised in that described according to described input pattern pair
Described touch screen information is identified, and is identified result and includes:
If described input pattern is handwriting input mode, then described touch screen information is carried out handwriting recognition, obtain
Take text word string；
If described input pattern is key-press input pattern, then determine correspondence according to the position of described touch screen information
Enliven button, then obtain and described enliven the text word string that button is corresponding；
If described input pattern is button switches input pattern, then determine according to the position of described touch screen information
With the non-position key in key mapping, then obtain character corresponding to described non-position key and on shield display.
Method the most according to claim 1, it is characterised in that described according to described two-dimensional coordinate point
Sequence determines that input pattern includes:
The contact action judging user according to described two-dimensional coordinate point sequence is stroke action or presses action；
If stroke action, it is determined that there is the two of maximum moving distance in unit judgement detection time interval
Direction d between sampled point；
If described direction d is in default direction scope dt, it is determined that switch input pattern for button；
It it is otherwise handwriting input mode；
If pressing action, then obtain the second of setting judge in time T2 the accumulation movement of sampled point away from
From；
If described second judges that the accumulation displacement of sampled point is more than the second judgement preset in time T2
Distance S2, it is determined that switch input pattern for button；
If described second judges the accumulation displacement of sampled point in time T2 less than or equal to the preset
Two judging distance S2, and produce described second and judge having of the accumulation displacement of sampled point in time T2
The effect time is more than the second judgement time T2, it is determined that switch input pattern for button；Otherwise be defined as by
Key input pattern.
Method the most according to claim 3, it is characterised in that described according to described two-dimensional coordinate point
Sequence judges that the contact action of user is stroke action or pressing action includes:
Obtain first set and judge the accumulation displacement of sampled point in time T1；
If described first judges that the accumulation displacement of sampled point is more than the first judgement preset in time T1
Distance S1, it is determined that the contact action of user is stroke action, otherwise determines that the contact action of user is a little
By action.
Method the most according to claim 1, it is characterised in that described in judge whether to perform new defeated
Enter pattern to include:
Judge current character end of input the most；
If it has ended, then determine and perform new input pattern；Otherwise determine and do not perform new input pattern.
Method the most according to claim 5, it is characterised in that described judge that current character is the most
End of input includes:
When handwriting input mode, if user's lifts the time time threshold more than setting, and user
The person's handwriting of input meets person's handwriting complete condition in the distribution writing region, it is determined that current character has inputted knot
Bundle；
When key-press input pattern or button switch input pattern, shielding if had on character, determining current character
End of input.
7. the system realizing multi-modal synchronization input, it is characterised in that including:
Acquisition module, for gathering the touch screen information of user's input, and is recorded as two by touch screen information chronologically
Dimension coordinate point sequence；
Input pattern determines module, for determining input pattern according to described two-dimensional coordinate point sequence, described defeated
Enter pattern to include: key-press input pattern, handwriting input mode and button switching input pattern；
Identification module, for being identified described touch screen information according to described input pattern, is identified knot
Really；
Judge module, for judging whether to perform new input pattern；If it is, notify described input mould
Formula determines that module performs to determine the operation of input pattern according to described two-dimensional coordinate point sequence；Otherwise notice is described
Input pattern determines that module keeps output current input mode.
System the most according to claim 7, it is characterised in that described identification module includes:
First identification module, for when described input pattern is handwriting input mode, to described touch screen information
Carry out handwriting recognition, obtain text word string；
Second identification module, for when described input pattern is key-press input pattern, believes according to described touch screen
What the position of breath determined correspondence enlivens button, then obtains and described enlivens the text word string that button is corresponding；
3rd identification module, for when described input pattern is button switching input pattern, touching according to described
The position of screen information determines the non-position key in same key mapping, then obtains character corresponding to described non-position key upper screen
Display.
System the most according to claim 7, it is characterised in that described input pattern determines module bag
Include:
Action judge module, is stroke for the contact action judging user according to described two-dimensional coordinate point sequence
Action is still pressed in action；
First determines module, is stroke action for the contact action judging user at described action judge module
Time, there is the direction d between maximum moving distance two sampled point in determining unit judgement detection time interval；As
The most described direction d is in default direction scope dt, it is determined that switch input pattern for button；It is otherwise
Handwriting input mode；
Second determines module, is to press action for the contact action judging user at described action judge module
Time, obtain second set and judge the accumulation displacement of sampled point in time T2；If described second sentences
In break time T2, the accumulation displacement of sampled point is more than the second judging distance S2 preset, it is determined that for pressing
Key switching input pattern；If described second judge in time T2 the accumulation displacement of sampled point less than or
Equal to the second judging distance S2 preset, and produce described second and judge the accumulation of sampled point in time T2
The effective time of displacement is more than the second judgement time T2, it is determined that switch input pattern for button；
Otherwise it is defined as key-press input pattern.
System the most according to claim 9, it is characterised in that
Described action judge module, judges tiring out of sampled point in time T1 specifically for obtaining first set
Long-pending displacement；And judge that the accumulation displacement of sampled point is more than presetting in time T1 described first
The first judging distance S1 time, determine that the contact action of user is stroke action, otherwise determine user touch
Screen operation is to press action.
11. systems according to claim 7, it is characterised in that
Described judge module, specifically for judging current character end of input the most；If it has ended, then
Determine and perform new input pattern；Otherwise determine and do not perform new input pattern.
12. systems according to claim 11, it is characterised in that
When handwriting input mode, if described judge module judge user lift a time more than set time
Between threshold value, and user input person's handwriting meet person's handwriting complete condition in the distribution writing region, it is determined that when
Front character end of input；
When key-press input pattern or button switch input pattern, if described judge module judges have on character
Screen then determines current character end of input.
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| CN106775373B (en) * | 2016-11-15 | 2019-12-03 | 北京小米移动软件有限公司 | The management method and device of soft keyboard |
| CN107256124B (en) * | 2017-04-21 | 2023-01-10 | 海信视像科技股份有限公司 | Electronic whiteboard touch control method and device |
| CN109213412A (en) * | 2017-07-03 | 2019-01-15 | 北京搜狗科技发展有限公司 | Input method, device and machine readable media |
| CN108037875B (en) * | 2017-12-12 | 2020-06-02 | 北京小米移动软件有限公司 | Method, device and storage medium for switching input modes |
| CN112235458B (en) * | 2020-10-14 | 2021-06-18 | 珠海格力电器股份有限公司 | Device sleep control method, device and computer readable medium |
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