CN101943996A - Touch screen virtual keyboard-based screen scribing input system and method - Google Patents

Touch screen virtual keyboard-based screen scribing input system and method Download PDF

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Publication number
CN101943996A
CN101943996A CN2010102861933A CN201010286193A CN101943996A CN 101943996 A CN101943996 A CN 101943996A CN 2010102861933 A CN2010102861933 A CN 2010102861933A CN 201010286193 A CN201010286193 A CN 201010286193A CN 101943996 A CN101943996 A CN 101943996A
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China
Prior art keywords
swipes
button
track
processing module
angle
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Chinese (zh)
Inventor
高精鍊
李书哲
朱俭春
牛海防
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ACADEMY OF WORLD LANGUAGES
Guangdong Guobi Technology Co Ltd
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ACADEMY OF WORLD LANGUAGES
Guangdong Guobi Technology Co Ltd
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Abstract

The invention discloses a touch screen virtual keyboard-based screen scribing input system and a touch screen virtual keyboard-based screen scribing input method. The system comprises a screen scribing track acquisition processing module, a turning point judgment processing module, a key identification processing module, an object memory and an input method processing module, wherein the screen scribing track acquisition processing module is used for acquiring a screen scribing track; the turning point judgment processing module is used for computing and judging whether the screen scribing track has turning points or not according to the acquired screen scribing track; the key identification processing module is used for identifying whether valid keys exist at the turning points or not; the object memory is used for storing objects of which each is at least associated with a signal sequence; and the input method processing module is used for generating the signal sequence according to the key identified by the key identification processing module and outputting the object associated with the signal sequence from the object memory. The system and the method have the advantages of accelerating input and improving input efficiency by computing and judging whether the screen scribing track has the turning points or not according to the acquired screen scribing track and judging the keys at the turning points selected by a user according the turning points of the screen scribing track to realize continuous scribing input on a virtual keyboard of a touch screen.

Description

A kind of swipe input system and method based on the touch-screen dummy keyboard
Technical field
The present invention relates to a kind of input method technology, especially a kind of input system method that swipes based on the touch-screen dummy keyboard based on touch-screen.
Background technology
For ease of carrying, the development trend of electronic product is miniaturization at present, and the multimedia function of electronic product requires it to have good input and output, as electronic products such as the portable palm PC of present use, PDA(Personal Digital Assistant), smart mobile phones, much all adopt the touch-screen input, promptly on the touch-screen of electronic product, simulate a dummy keyboard, import with the button that finger or input pen are clicked on the dummy keyboard with software engineering.The button of dummy keyboard generally comprises several character keys and several word selection keys, during input character, click character keys, the corresponding character of character keys or the character combination that promptly can show on the word selection key and be clicked, the user chooses suitable word selection key according to the input needs afterwards, and the shown character of this word selection key promptly is transfused on the text box of touch-screen.
But, because the action that finger or felt pen are clicked is interrupted, click and the time loss of mentioning too much, so input speed is not ideal enough.
Summary of the invention
Based on prior art, one of technical issues that need to address of the present invention provide a kind of input system that swipes based on the touch-screen dummy keyboard, the input continuously of can ruling on touch-screen.
Two of the technical problem to be solved in the present invention provides a kind of input method that swipes based on the touch-screen dummy keyboard, the input continuously of can ruling on touch-screen.
In order one of to solve the problems of the technologies described above, the invention provides a kind of input system that swipes based on the touch-screen dummy keyboard, it comprises: the track that swipes obtains processing module, is used to obtain the track that swipes; The turning point judging treatmenting module is used for calculating and judging whether the track that swipes has turning point according to the track that swipes that obtains; The button recognition processing module is used to discern the turning point place and whether has effective button; Object memories is used for storage object, and each object is associated with a burst at least; The input method processing module is used for producing burst according to the button of button identification module identification, the object that output is associated with this burst from object memories.
As the improvement of a kind of input system that swipes based on the touch-screen dummy keyboard of the present invention, described input method processing module further comprises: the key assignments storer is used to store the key assignments of each button correspondence; The key assignments sequence produces processing module, is used for the button according to the identification of button identification module, calls out the corresponding key assignments that is provided with of this button institute from the key assignments storer, and formation key assignments sequence; The input method engine modules is used for matching the object that is associated with the key assignments sequence of key assignments sequence generation processing module formation from the object storage module.
As the improvement of a kind of input system that swipes based on the touch-screen dummy keyboard of the present invention, described input method processing module further comprises: character memory is used to store the character of the corresponding input of each button; Character string produces processing module, is used for the button according to the identification of button identification module, calls out the pairing character of this button from character memory, and forms character string; The input method engine modules is used for matching the object that is associated with the character string of character string generation processing module formation from the object storage module.
Improvement as a kind of input system that swipes based on the touch-screen dummy keyboard of the present invention, described turning point judging treatmenting module further comprises: the angle counter, the current point of track and upward constitute first line segment is used for swiping, to go up any and last formation second line segment, and calculate the angle angle value between first line segment and second line segment; Angle setting value storer is used for the stored angles setting value; Relatively decision processor is used for angle angle value and angle initialization value that the angle counter calculates are compared, if the angle angle value is less than or equal to the angle initialization value, then judges a bit to be effective turning point on the current point of the track that swipes.
For solve the problems of the technologies described above two, the invention provides a kind of input method that swipes based on the touch-screen dummy keyboard, it comprises the steps:
1) storage object, each object are associated with a burst at least;
2) obtain the track that swipes, and calculate and judge whether the track that swipes has turning point according to the track that swipes that obtains;
3) whether identification turning point place has effective button;
4) button according to identification produces burst;
5) also export the object that is associated with this burst.
As the improvement of a kind of input method that swipes based on the touch-screen dummy keyboard of the present invention, described step (1) also comprises: the stored angles setting value;
Described step (22) further comprises the steps:
(221) will the swipe current point of track and upward constitute first line segment will be gone up a bit and last formation second line segment, and calculate the angle angle value between first line segment and second line segment;
(222) angle angle value and the angle initialization value of calculating compared,, then judge on the current point of the track that swipes, a bit to be effective turning point if the angle angle value is less than or equal to the angle initialization value.
As the improvement of a kind of input method that swipes based on the touch-screen dummy keyboard of the present invention, described step (3) further comprises the steps:
(31) whether identification turning point place has effective button;
(32) if having, then carry out step (4); Otherwise return step (2);
As the improvement of a kind of input method that swipes based on the touch-screen dummy keyboard of the present invention, described step (1) also comprises: store each button the corresponding key assignments that is provided with;
Described step (4) further comprises the steps:
(41) according to the button of button identification module identification, call out the corresponding key assignments that is provided with of this button institute, and formation key assignments sequence;
(42) match the candidate target that is associated with this key assignments sequence.
As the improvement of a kind of input method that swipes based on the touch-screen dummy keyboard of the present invention, described step (1) also comprises: the character of storing the corresponding input of each button;
Described step (4) further comprises the steps:
(41) according to the button of button identification module identification, call out the character of the corresponding input of this button institute, and the formation character string;
(42) match the object that is associated with this character string.
With respect to prior art, the present invention utilizes a kind of track that swipes that obtains based on swipe input system and the method utilization of touch-screen dummy keyboard to calculate and judges whether the track that swipes has turning point, judge that according to the turning point of the track that swipes the user selects the button at turning point place, thereby be implemented in line input continuously on the dummy keyboard of touch-screen, improve the speed and the efficient of input.
Description of drawings
Fig. 1 is a kind of input system illustrative view of functional configuration in a preferred embodiment that swipes based on the touch-screen dummy keyboard of the present invention.
Fig. 2 obtains processing module illustrative view of functional configuration in a preferred embodiment for the track that swipes described in Fig. 1.
Fig. 3 is the illustrative view of functional configuration in a preferred embodiment of input method processing module described in Fig. 1.
Fig. 4 is the illustrative view of functional configuration in a further advantageous embodiment of input method processing module described in Fig. 1.
Fig. 5 is the illustrative view of functional configuration in a preferred embodiment of turning point judging treatmenting module described in Fig. 1.
Fig. 6 is applied to work demonstration graph on the mobile phone for a kind of swipe input system and method based on the touch-screen dummy keyboard of the present invention.
Fig. 7 is a kind of based on the process flow diagram in the preferred embodiment of input method that swipes of touch-screen dummy keyboard for the present invention.
Fig. 7 is a kind of based on the process flow diagram in another preferred embodiment of input method that swipes of touch-screen dummy keyboard for the present invention.
Fig. 8 is a kind of based on the process flow diagram in another preferred embodiment of input method that swipes of touch-screen dummy keyboard for the present invention.
Fig. 9 is a kind of based on judging in the swipe input system and the method for touch-screen dummy keyboard whether the tracing point that swipes constitutes the analysis synoptic diagram of effective turning point for the present invention.
Figure 10 is a kind of based on judging in the swipe input system and the method for touch-screen dummy keyboard whether the tracing point that swipes constitutes the analysis synoptic diagram of effective turning point for the present invention.
Embodiment
The present invention can be applicable to variously be provided with touch-screen and need literal or the electronic product of other characters input, as mobile phone, portable palm PC, PDA etc., below specifically describes the present invention in detail by describing embodiment.
Fig. 1 is a kind of input system illustrative view of functional configuration in one embodiment that swipes based on the touch-screen dummy keyboard.This system comprises touch-screen 10, the track that swipes obtains processing module 20, turning point judging treatmenting module 30, button recognition processing module 40, input method processing module 50, object memories 60, setting value storer 70.
Described touch-screen 10 both can manifest, and also can import for the user.When the user accesses entering method keyboard, can on touch-screen 10, show virtual full keyboard or compression keyboard etc.So-called full keyboard is meant character of the corresponding input of a button, English for example, and 26 English alphabets are provided with corresponding letter on the button, promptly rely on 26 buttons to import English word or letter.Corresponding a plurality of characters of button while for example were distributed in 26 English alphabets on 8 buttons when so-called compression keyboard was meant input.Dummy keyboard on this touch-screen 10 can be for user's selection key of ruling continuously thereon, and the continuous slip of user on touch-screen 10 makes touch-screen 10 generate the trajectory signal that swipes.
The described track that swipes obtains processing module 20 and is used to obtain the track that swipes.With reference to figure 2, this is stated the track that swipes and obtains processing module 20 it comprises the track identification processing module 21 that swipes, stores processor module 22 and the track storer 23 that swipes.The track identification that swipes processing module 21 is used to discern the track that swipes of the continuous input on the touch-screen, and the track identification that swipes processing module 21 regularly receives the signal that swipes of touch-screen input, and the track that therefore swipes is made up of discrete point.The track data that swipes after stores processor module 22 will be discerned is stored in the track storer 23 that swipes.
Described turning point judging treatmenting module 30 is used for calculating and judging whether the track that swipes has turning point according to the track that swipes that obtains.This turning point judging treatmenting module 30 comprises angle counter 31, compares determining device 32 and angle setting value storer 33.Described angle standard value storer 33 is used for stored angles setting value in advance.Described angle counter 31 is used for discerning the turning point of track of swiping, angle counter 31 is discerned calculating to each point of the track that swipes successively, whether the current point of judging identification is turning point, but the head and the tail point of the track that swipes is not calculated identification, and promptly the head and the tail point is defaulted as turning point.
To the swipe current point of track and upward constitute first line segment of described angle counter 31 will be gone up a bit and last formation second line segment, calculate angle angle value between first line segment and second line segment according to 3 coordinate figure then.Described relatively decision processor 32 is used for the angle angle value of angle counter 31 calculating and the angle initialization value of setting value storer 70 are compared, if the angle value of angle is less than or equal to the angle initialization value, then judge on the current point of the track that swipes, a bit to be effective turning point.Like this, can discern all effective turning points in the track successively thereby identification swipes to points all in the track that swipes.For example with reference to figure 9-10, if the angle initialization value is 150 degree.Then last 1 the B place of current some C among Fig. 9 has constituted effective turning point.Because current some C and preceding 1 B constitute a line segment, last 1 B and last some A constitute a line segment, and the angle m between two line segments is less than 150 degree.Thereby assert that 1 B place has constituted effective turning point on current some C.But therefore the m angle angle value among Figure 10 assert that greater than angle initialization value 150 degree 1 B place has not constituted effective turning point on current some C.Certainly the angle initialization value can be set as the case may be.
Described button recognition processing module 40 is used to discern the turning point place and whether has effective button.This button recognition processing module 40 is according to the arrangement setting of keyboard, and the residing coordinate of turning point, judges whether this turning point is on effective button, if not be on effective button, thinks that then this turning point is invalid turning point; If on effective button, then thinking needs to select this button.
Described object memories 60 is used for storage object, and each object is associated with a burst at least.Described object can is-symbol, for example punctuation mark, emoticon, unit symbol etc.; Also can be the character of various language, for example English alphabet character, Chinese stroke character, arabic numeric characters etc.; Also can be words, for example Chinese words, Chinese word, English word etc.; Also can be the sentence of various language, can also be picture; Even can be functional module in the system of being stored in, for example one section program etc. all be stored in object in the system.The corresponding at least burst of each object, this burst can be a keystroke sequence, also can be character string.
Described setting value storer 70 is used for the stored angles setting value.This angle initialization value is used for comparing with each tracing point turning angle, judges whether the turnover that this some place takes place constitutes effective deflection angle.
Described input method processing module 50 is used for producing burst according to the button of button identification module identification, the object that output is associated with this burst from object memories 60.Described input method processing module 50 comprises that further key assignments storer 501, key assignments sequence produce processing module 502, input method engine modules 503.
Described key assignments storer 51 is used to store the key assignments of each button correspondence.Described key assignments sequence produces processing module 502 and is used for button according to 40 identifications of button identification module, calls out the corresponding key assignments that is provided with of this button institute from key assignments storer 501, and according to the order formation key assignments sequence of the track that swipes.Because each object in the object storage module 60 is complementary with a key assignments sequence at least, therefore, the key assignments sequence is produced the key assignments sequence of processing module 502 generations to described input method engine modules 503 and the key assignments sequence in the object storage module 60 compares, produce the key assignments sequence that processing module 502 produces if the key assignments sequence in the object storage module 60 comprises the key assignments sequence, think that then the pairing object of this key assignments sequence in the object storage module 60 is associated with the key assignments sequence that this key assignments sequence produces processing module 502 generations.According to the output of the degree of association with produce the object that the key assignments sequence of processing module 502 generations is associated with this key assignments sequence.
For example when selecting spelling input method for use, with reference to figure 6, by the input " guobi " that on the virtual key dish on the handset touch panel A, swipes, described button recognition processing module 40 discerns the button that the user is selected in successively and is " 4 ", " 8 ", " 6 " " 2 ", " 4 ", and wherein button " 4 " is by the swipe head and the tail point selection of track of identification.Described key assignments sequence produces processing module 502 and is used for producing keystroke sequence " 48624 " according to the button of button identification module 40 identifications.Described input method engine modules 503 is carried out matching ratio with the object in keystroke sequence " 48624 " and the object storage module 60, because the keystroke sequence that object " state's pen " is associated is " 48624 ", therefore exports Chinese words group objects " state's pen ".
Certainly, in another embodiment of a kind of input system that swipes based on the touch-screen dummy keyboard, described input method processing module 50 further comprises: character memory 51 is used to store the character of the corresponding input of each button; Character string produces processing module 52, is used for the button according to the identification of button identification module, calls out the pairing character of this button from character memory, and forms character string; Input method engine modules 53 is used for matching the object that is associated with the character string of character string generation processing module formation from the object storage module.
Described key assignments storer 51 is used to store each button corresponding characters.Described character string produces processing module 52 and is used for button according to 40 identifications of button identification module, calls out the corresponding character that is provided with of this button institute from character memory 51, and according to the order formation character string of track.Because each object in the object storage module 60 is complementary with a character string at least, therefore, character string is produced the character string of processing module 502 generations to described input method engine modules 503 and the character string in the object storage module 60 compares, produce the character string that processing module 502 produces if the character string in the object storage module 60 comprises character string, think that then the pairing object of this character string in the object storage module 60 is associated with the character string that this character string produces processing module 502 generations.According to the output of the degree of association with produce the object that the character string of processing module 502 generations is associated with this character string.
For example with reference to figure 6, by the input " guobi " that swipes on the virtual key dish on the handset touch panel A, described button recognition processing module 40 is discerned the button that the user is selected in successively and is " 4 ", " 8 ", " 6 " " 2 ", " 4 ".Because the corresponding pinyin character of button " 2 " " a, b, c "; The corresponding pinyin character of button " 4 " " g, h, i "; The corresponding pinyin character of button " 6 " " m, n, o "; The corresponding pinyin character of button " 8 " " t, u, v ".Therefore described character string produces processing module 502 and is used for producing some character strings according to the button of button identification module 40 identifications.Certainly these character strings need meet the rule of spelling input method, incongruently can give up to fall, again according to the preferential output of frequency of utilization high-frequency pinyin character sequence, for example pinyin character sequence " guobi ".Because the Chinese word group objects " state's pen " in the object storage module 60 is associated with pinyin character sequence " guobi ", therefore described input method engine modules 503 is exported Chinese words group objects objects such as " state's pens " in the back by matching ratio.
Certainly, in other embodiments, described a kind of input system that swipes based on the touch-screen dummy keyboard also comprises timer, calculate the nib swipe by timer when certain time that a bit stops reaches certain hour, judge that promptly the user repeats to select to this point, if this point is in being then to repeat to select this button on effective button.
With reference to figure 7, a kind of embodiment of the input method that swipes based on the touch-screen dummy keyboard is described, this method comprises the steps: in the present embodiment
S01. storage object in advance, each object is associated with a burst at least.
Described object can is-symbol, for example punctuation mark, emoticon, unit symbol etc.; Also can be the character of various language, for example English alphabet character, Chinese stroke character, arabic numeric characters etc.; Also can be words, for example Chinese words, Chinese word, English word etc.; Also can be the sentence of various language, can also be picture; Even can be functional module in the system of being stored in, for example one section program etc. all be stored in object in the system.The corresponding at least burst of each object, this burst can be a keystroke sequence, also can be character string.
S02. obtain the track that swipes, calculate and judge whether the track that swipes has turning point according to the track that swipes that obtains;
Described step S02 further may further comprise the steps again:
(21) obtain the track that swipes, promptly regularly obtain the trajectory signal that swipes;
(22) track that swipes that basis is obtained calculates and judges whether the track that swipes has turning point;
(23) if having, then carry out step S03; Otherwise return step (21);
Described step (22) further comprises the steps:
(221) will the swipe current point of track and upward constitute first line segment will be gone up a bit and last point
Constitute second line segment, and calculate the angle angle value between first line segment and second line segment;
(222) angle angle value and the angle initialization value of calculating compared,, then judge on the current point of the track that swipes, a bit to be effective turning point if the angle angle value is less than or equal to the angle initialization value.
For example with reference to figure 9-10, if the angle initialization value is 150 degree.Then last 1 the B place of current some C among Fig. 9 has constituted effective turning point.Because current some C and preceding 1 B constitute a line segment, last 1 B and last some A constitute a line segment, and the angle m between two line segments is less than 150 degree.Thereby assert that 1 B place has constituted effective turning point on current some C.But therefore the m angle angle value among Figure 10 assert that greater than angle initialization value 150 degree 1 B place has not constituted effective turning point on current some C.
S03. discern the turning point place and whether have effective button;
Described step S03 further comprises the steps:
(31) whether identification turning point place has effective button.This step can be according to the residing coordinate figure of turning point, and the arranged distribution of keyboard, and the residing position of each button is determined.
(32) if having, then carry out step (4); Otherwise return step (2);
S04. the button according to identification produces burst;
Described step S04 further comprises the steps:
(41) according to the button of button identification module identification, call out the corresponding key assignments that is provided with of this button institute, and the burst of formation key assignments sequence form;
(42) match the candidate target that is associated with this key assignments sequence.
S05. export the object that is associated with this burst.
Certainly, in other embodiments, the burst of above-mentioned generation can be a character string.It is that described step (1) also comprises: the character of storing the corresponding input of each button.Described step (4) further comprises the steps:
(41) according to the button of button identification module identification, call out the character of the corresponding input of this button institute, and the formation character string;
(42) match the object that is associated with this character string.
With reference to figure 8, said method is further described: at first, set in advance storage object, the related at least keystroke sequence of each object also can be the related at least character string of each object certainly in other embodiments.Set in advance the timer settings value; The angle initialization value is set; Turning point spacing setting value is set.
When detecting the user and import, system can carry out following steps:
101. the triggering timing device picks up counting.
102. obtain the current track that swipes, promptly self-timing obtains the trajectory signal that swipes on the screen.
103. whether be the swipe starting point of track, if carry out step 117 if judging the current point of track that swipes; Otherwise, carry out next step.
104. whether be swipe starting point more following of track, if then carry out step 102 if judging current point; Otherwise, carry out next step.
105. judge whether whether the current point of track that swipes identical with more preceding coordinate, or current point whether with more preceding from hypotelorism.If then carry out step 115; Otherwise, carry out next step.
The current point of track and upward constitute first line segment 106. will swipe will be gone up a bit and last formation second line segment, calculate angle angle value between first line segment and second line segment according to 3 coordinate figure then.
107. the angle angle value and the angle initialization value that calculate in the step 106 are compared, judge that whether the angle angle value is less than setting value.If then carry out step 108; Otherwise, carry out step 101.
Going up of the current point of track a bit is turning point 108. determine to swipe.
109. judge relatively whether the current turning point of track that swipes is near excessively with a last turning point, promptly calculates the distance between a current break and the last turning point, and compares with turning point spacing setting value apart.Judge whether less than turning point spacing setting value, if then carry out step 115; Otherwise carry out next step.
110. judge whether effective button of turning point place.If then carry out step 115; Otherwise carry out next step.
111. obtain the button value at turning point place.
Whether also continuing slip 112. judging swipes.If then carry out step 115; Otherwise carry out next step.
113., generate the key assignments sequence according to the key assignments that obtains.
114. the key assignments sequence of generation and the key assignments sequence in each object are compared coupling.If the key assignments sequence of a certain object has comprised the key assignments sequence of this generation, think that then this object is associated with the key assignments sequence of generation, and output shows that this affiliated partner is for user's input.Finish.
Whether reach the timer settings value 115. judge timer.If then carry out step 116; Otherwise carry out step 102.
116. timer zero clearing.
117. determine that current point is a turning point, and carry out step 110.
Certainly, in other embodiments, the burst of above-mentioned generation can be a character string.The corresponding minimum related character string of each object.Because length is limited, just give unnecessary details no longer one by one here, those of ordinary skill in the art can realize according to the foregoing description fully.
The embodiment of above-mentioned a kind of swipe input system and method based on the touch-screen dummy keyboard utilizes the track that swipes that obtains to calculate and judges whether the track that swipes has turning point, judge that according to the turning point of the track that swipes the user selects the button at turning point place, thereby be implemented in line input continuously on the dummy keyboard of touch-screen, improved the speed and the efficient of input greatly.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change and revise above-mentioned embodiment.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although used some specific terms in this instructions, these terms do not constitute any restriction to the present invention just for convenience of description.

Claims (10)

1. input system that swipes based on the touch-screen dummy keyboard, it comprises:
Touch-screen is used to import the continuous track that swipes;
The track that swipes obtains processing module, is used to obtain the track that swipes;
The turning point judging treatmenting module is used for calculating and judging whether the track that swipes has turning point according to the track that swipes that obtains;
The button recognition processing module is used to discern the turning point place and whether has button;
Object memories is used for storage object, and each object is associated with a burst at least;
The input method processing module is used for producing burst according to the button of button identification module identification, the object that output is associated with this burst from object memories.
2. a kind of input system that swipes based on the touch-screen dummy keyboard described in claim 1 is characterized in that:
Described input method processing module further comprises:
The key assignments storer is used to store the key assignments of each button correspondence;
The key assignments sequence produces processing module, is used for the button according to the identification of button identification module, calls out the corresponding key assignments that is provided with of this button institute from the key assignments storer, and formation key assignments sequence;
The input method engine modules is used for matching the object that is associated with the key assignments sequence of key assignments sequence generation processing module formation from the object storage module.
3. a kind of input system that swipes based on the touch-screen dummy keyboard described in claim 1 is characterized in that:
Described input method processing module further comprises:
Character memory is used to store the character of the corresponding input of each button;
Character string produces processing module, is used for the button according to the identification of button identification module, calls out the pairing character of this button from character memory, and forms character string;
The input method engine modules is used for matching the object that is associated with the character string of character string generation processing module formation from the object storage module.
4. as any one is characterized in that based on the input system that swipes of touch-screen dummy keyboard among the claim 1-3:
Described turning point judging treatmenting module further comprises:
The angle counter is used for the current point of the track that swipes and upward constitutes first line segment, will go up a bit and last formation second line segment, and calculate angle angle value between first line segment and second line segment;
Angle setting value storer is used for the stored angles setting value;
Relatively decision processor is used for angle angle value and angle initialization value that the angle counter calculates are compared, if the angle angle value is less than or equal to the angle initialization value, then judges a bit to be effective turning point on the current point of the track that swipes.
5. input method that swipes based on the touch-screen dummy keyboard, it comprises the steps:
1) storage object in advance, each object is associated with a burst at least;
2) obtain the track that swipes, calculate and judge whether the track that swipes has turning point according to the track that swipes that obtains;
3) whether identification turning point place has button;
4) button according to identification produces burst;
5) also export the object that is associated with this burst.
6. a kind of input method that swipes based on the touch-screen dummy keyboard described in claim 5 is characterized in that described step (2) further comprises the steps:
(21) obtain the track that swipes;
(22) track that swipes that basis is obtained calculates and judges whether the track that swipes has turning point;
(23) if having, then carry out step (3); Otherwise return step (21).
7. as any one is characterized in that based on the input method that swipes of touch-screen dummy keyboard in the claim 6:
Described step (1) also comprises: the stored angles setting value;
Described step (22) further comprises the steps:
(221) will the swipe current point of track and upward constitute first line segment will be gone up a bit and last formation second line segment, and calculate the angle angle value between first line segment and second line segment;
(222) angle angle value and the angle initialization value of calculating compared,, then judge on the current point of the track that swipes, a bit to be effective turning point if the angle angle value is less than or equal to the angle initialization value.
8. a kind of input method that swipes based on the touch-screen dummy keyboard described in claim 5 is characterized in that described step (3) further comprises the steps:
(31) whether identification turning point place has effective button;
(32) if having, then carry out step (4); Otherwise return step (2).
9. a kind of input method that swipes based on the touch-screen dummy keyboard described in claim 5 is characterized in that:
Described step (1) also comprises: store each button the corresponding key assignments that is provided with;
Described step (4) further comprises the steps:
(41) according to the button of button identification module identification, call out the corresponding key assignments that is provided with of this button institute, and formation key assignments sequence;
(42) match the object that is associated with this key assignments sequence.
10. a kind of input method that swipes based on the touch-screen dummy keyboard described in claim 5 is characterized in that:
Described step (1) also comprises: the character of storing the corresponding input of each button;
Described step (4) further comprises the steps:
(41) according to the button of button identification module identification, call out the character of the corresponding input of this button institute, and the formation character string;
(42) match the object that is associated with this character string.
CN2010102861933A 2010-09-13 2010-09-13 Touch screen virtual keyboard-based screen scribing input system and method Pending CN101943996A (en)

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Application publication date: 20110112