CN102117175A - Method and device for inputting Chinese in sliding way and touch-screen input method system - Google Patents
Method and device for inputting Chinese in sliding way and touch-screen input method system Download PDFInfo
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Abstract
The invention provides a method and a device for inputting Chinese in a sliding way. The method comprises the following steps in detail: capturing a sliding track of a user on a virtual keyboard, obtaining a virtual keystroke sequence related to the sliding track, screening keystrokes in the virtual keystroke sequence and obtaining a character input sequence, obtaining corresponding Chinese candidate items according to the character input sequence and showing the Chinese candidate items. The input of Chinese is realized by the sliding on the virtual keyboard; during the input process, a finger or a touch pen of the user does not need to leave the virtual keyboard and can slide directly on the virtual keyboard; as the sliding transition way is adopted between every two characters, compared with the prior art, the input action of the user can be reduced, the input way is more continuous, and the input speed can be improved. Furthermore, in the invention, the keystrokes passed by during the sliding process can be screened, and the character input sequence with higher exactness and meeting the intent of the user can be obtained, the Chinese candidate items are provided.
Description
Technical field
The present invention relates to the input in Chinese technical field, particularly relate to a kind of method, device and touch-screen input method system that slides input Chinese.
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 input and output preferably, as electronic products such as the portable palm PC of present use, personal digital assistant, smart mobile phones, much all adopt the touch-screen input, promptly simulate a dummy keyboard with software engineering on the touch-screen of electronic product, click this dummy keyboard with finger or stylus and import, this dummy keyboard generally comprises several character keys.
In present touch-screen input method, use following input mode usually:
1, with reference to Fig. 1 (a), described square frame is represented a character keys, clicks the character of this character keys representative of input by button; Because character of every input all needs to click, lift two actions, thereby when phonetic of input or character string, the action of need repeatedly click, lifting.
2, shown in Fig. 1 (b), by the specific direction paddling on the single button, to import the character of this specific direction representative; Because during character of each input, all need click, paddling, lift three actions, so when phonetic of input or character string, the action that needs repeatedly click, paddling and lift.
In a word, need the urgent technical matters that solves of those skilled in the art to be exactly: how can reduce user's input action, improve user's input efficiency.
Summary of the invention
Technical matters to be solved by this invention provides a kind of method, device and touch-screen input method system that slides input Chinese, in order to reduce the input action of user in input in Chinese, improves input in Chinese speed.
In order to address the above problem, the invention discloses a kind of method that slides input Chinese, comprising: catch the sliding trajectory of user on dummy keyboard; Obtain the related virtual key sequence of described sliding trajectory; Button in the described virtual key sequence is screened, obtain the character list entries; According to described character list entries, obtain corresponding Chinese candidate item, and showed.
Preferably, the described step that button in the described virtual key sequence is screened specifically comprises: the pairing button of starting point, flex point and terminal point that obtains sliding trajectory, make up starting point button, flex point button and the pairing character of terminal point button in regular turn, obtain the character list entries.
Preferably, the described step that button in the described virtual key sequence is screened also can specifically comprise: the pairing button of starting point, flex point and terminal point that obtains sliding trajectory; According to current applied input in Chinese characteristic, the residue button in the described keystroke sequence is screened, obtain screening button; According to the track order, make up described starting point button, flex point button, terminal point button and screening button, obtain the character list entries.
Preferably, the current applied input in Chinese characteristic of described foundation is screened the residue button in the described keystroke sequence, obtains screening the step of button, comprising:
Preparation process: from first the residue button, with in the described keystroke sequence each the residue button as current button;
The scalping step: judge current button and its front arbitrarily the keystroke sequence formed of button whether exist at least one keystroke sequence to meet the input in Chinese characteristic, if, then keep described current button, otherwise, abandon described current button; Perhaps, judge whether the keystroke sequence of the button composition of current button and its front meets the input in Chinese characteristic, if, then keep described current button, otherwise, described current button abandoned.
Preferably, the current applied input in Chinese characteristic of described foundation is screened the residue button in the described keystroke sequence, obtains screening the step of button, also can comprise:
Preparation process: from first the residue button, with in the described keystroke sequence each the residue button as current button;
Dusting cover step: at current button, judge whether the keystroke sequence that any button of itself and front is formed exists at least one keystroke sequence to meet the input in Chinese characteristic, and judge whether its keystroke sequence with any button composition of back exists at least one keystroke sequence to meet the input in Chinese characteristic; If exist at least one keystroke sequence to meet the input in Chinese characteristic, then keep described current button, otherwise, abandon described current button; Perhaps, at current button, judge whether the button of its front, the keystroke sequence that the button of himself and its back is formed meet the input in Chinese characteristic, if then keep described current button, otherwise abandon.
Preferably, the described step that button in the described virtual key sequence is screened also can specifically comprise: based on by downforce button being screened, keep by the corresponding button of downforce greater than certain threshold value, obtain the character list entries; And/or, based on the contact area of pressing button is screened, keep the corresponding button of contact area greater than certain threshold value, obtain the character list entries.
Preferably, described dummy keyboard is the phonetic keyboard, and resulting character list entries is the phonetic alphabet sequence; Perhaps, described dummy keyboard is the font keyboard, and resulting character list entries is a grapheme sequence.
Preferably, described dummy keyboard comprises stroke key and radical key, and resulting character list entries is radicals by which characters are arranged in traditional Chinese dictionaries-strokes sequence; Perhaps, described dummy keyboard comprises consonant key and final key, and resulting character list entries is initial consonant-rhythm auxiliary sequence.
Preferably, described input in Chinese characteristic comprises syllable characteristic and/or font characteristic.
Preferably, when comprising separation key in the related virtual key sequence of sliding trajectory, a part of virtual key sequence of virtual key sequence and back of a part before this separation key is screened respectively.
According to another embodiment of the present invention, a kind of device that slides input Chinese is also disclosed, comprising:
Capture unit is used to catch the sliding trajectory of user on dummy keyboard;
Acquiring unit is used to obtain the related virtual key sequence of described sliding trajectory;
The screening unit is used for the button of described virtual key sequence is screened, and obtains the character list entries;
Display unit is used for obtaining corresponding Chinese candidate item, and being showed according to described character list entries.
Preferably, described screening unit specifically comprises: obtain subelement, be used to obtain the pairing button of starting point, flex point and terminal point of sliding trajectory; The combination subelement is used for making up in regular turn starting point button, flex point button and the pairing character of terminal point button, obtains the character list entries.
Preferably, described screening unit also can specifically comprise: obtain subelement, be used to obtain the pairing button of starting point, flex point and terminal point of sliding trajectory; Residue button screening subelement is used for according to current applied input in Chinese characteristic the button in the described keystroke sequence being screened, and obtains screening button; The combination subelement is used for according to the track order, makes up described starting point button, flex point button, terminal point button and screening button, obtains the character list entries.
Preferably, described residue button screening subelement specifically comprises:
Preparation module: be used for from first the residue button, with each button in the described keystroke sequence as current button;
The scalping module: be used to judge whether the keystroke sequence that the button of current button and its front is formed meets the input in Chinese characteristic, if, then keep described current button, otherwise, described current button abandoned; Perhaps, judge current button and its front arbitrarily the keystroke sequence formed of button whether exist at least one keystroke sequence to meet the input in Chinese characteristic, if, then keep described current button, otherwise, abandon described current button.
Preferably, described residue button screening subelement specifically comprises:
Preparation module: be used for from first the residue button, with in the described keystroke sequence each the residue button as current button;
Dusting cover module: be used at current button, judge whether the keystroke sequence that any button of itself and front is formed exists at least one keystroke sequence to meet the input in Chinese characteristic, and judge whether its keystroke sequence with any button composition of back exists at least one keystroke sequence to meet the input in Chinese characteristic; If exist at least one keystroke sequence to meet the input in Chinese characteristic, then keep described current button, otherwise, abandon described current button; Perhaps, at current button, judge whether the button of its front, the keystroke sequence that the button of himself and its back is formed meet the input in Chinese characteristic, if then keep described current button, otherwise abandon.
Preferably, described screening unit also can specifically comprise: pressure screening subelement, be used for keeping by the corresponding button of downforce greater than certain threshold value based on button being screened by downforce, and obtain the character list entries; And/or area screening subelement is used for based on the contact area of pressing button being screened, and keeps the corresponding button of contact area greater than certain threshold value, obtains the character list entries.
Preferably, described dummy keyboard is the phonetic keyboard, and resulting character list entries is the phonetic alphabet sequence; Perhaps, described dummy keyboard is the font keyboard, and resulting character list entries is a grapheme sequence.
Preferably, described dummy keyboard comprises stroke key and radical key, and resulting character list entries is radicals by which characters are arranged in traditional Chinese dictionaries-strokes sequence; Perhaps, described dummy keyboard comprises consonant key and final key, and resulting character list entries is initial consonant-rhythm auxiliary sequence.
Preferably, described input in Chinese characteristic comprises syllable characteristic and/or font characteristic.
Preferably, described screening unit also comprises: separate and handle subelement, be used for when the related virtual key sequence of sliding trajectory comprises separation key, a part of virtual key sequence of virtual key sequence and back of a part before this separation key is screened respectively.
According to embodiments of the invention, a kind of touch-screen input method system is also disclosed, it can comprise the aforesaid various device that slides input Chinese.
Compared with prior art, the present invention has the following advantages:
The input of Chinese of the present invention is finished by sliding on dummy keyboard, in input process, user's finger or stylus can need not to leave dummy keyboard but directly slide in the above, since use the sliding type transition between each character keys, like this, the action that one or more character list entries only need one click and once lift, so with respect to prior art, can reduce the action of user's input, make input mode more coherent, can improve input speed.
Secondly, the present invention can catch and analyze sliding trajectory, particularly, at first keep starting point, flex point and terminal point button, then according to the input in Chinese characteristic of current application, to described sliding trajectory respective keys sequence in button screen, and then combination obtains the character list entries; For example, when phonetic is imported, the letter key sequence is screened, when font code is imported, the font key is screened or the like according to the font characteristic according to the syllable characteristic; Thereby the user need not very accurately slide by each character keys, and the present invention can provide Chinese candidate item according to the character list entries that meets user view that filters out.
Moreover the present invention can also use the dummy keyboard of any self-defined layout according to actual needs; For example, when the dummy keyboard input spelling syllable shuang that uses the initial and the final subregion to arrange, because described sliding trajectory only need be through the sh key in initial consonant district, and the uang key in simple or compound vowel of a Chinese syllable district is so sliding trajectory is shorter, thereby can further reduce the stylus coasting distance, and input speed is faster.
Description of drawings
Fig. 1 is the input mode example in the existing touch-screen input method
Fig. 2 is a kind of process flow diagram that slides the method embodiment 1 of input Chinese of the present invention;
Fig. 3 is the key layout synoptic diagram of a kind of dummy keyboard of the present invention;
Fig. 4 is a kind of process flow diagram that slides the method embodiment 2 of input Chinese of the present invention;
Fig. 5 is the key layout and the operation chart of a kind of alphabetic keypad of the present invention;
Fig. 6 is the key layout and the operation chart of the another kind of alphabetic keypad of the present invention;
Fig. 7 is the key layout and the operation chart of the another kind of alphabetic keypad of the present invention;
Fig. 8 is the dummy keyboard synoptic diagram that a kind of the initial and the final subregion of the present invention is arranged;
Fig. 9 is a kind of spelling keyboard synoptic diagram of the present invention;
Figure 10 is a kind of process flow diagram that slides the method embodiment 3 of input Chinese of the present invention;
Figure 11 is the key layout and the operation chart of a kind of stroke keyboard of the present invention;
Figure 12 is the key layout and the operation chart of the another kind of stroke keyboard of the present invention;
Figure 13 is a kind of dummy keyboard key layout synoptic diagram with stroke and radicals by which characters are arranged in traditional Chinese dictionaries of the present invention;
Figure 14 is a kind of structural drawing that slides the device embodiment of input Chinese of the present invention;
Figure 15 is the structural drawing of a kind of touch-screen input method system of the present invention embodiment.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
One of core idea of the embodiment of the invention is, slides input Chinese on dummy keyboard, like this, when phonetic of input, only need initial to click and the once last letter action of lifting, thereby can reduce user's input action, improve input in Chinese speed.
With reference to Fig. 2, show a kind of process flow diagram that slides the method embodiment 1 of input Chinese of the present invention, specifically can comprise:
Step 201, when sliding, catch corresponding sliding trajectory on dummy keyboard, wherein, described dummy keyboard can comprise a plurality of buttons;
With reference to the key layout figure of a kind of dummy keyboard of the present invention shown in Figure 3, described dummy keyboard can comprise 9 buttons, is respectively button 1, button 2..., button 8, button 9; In input process, user's finger or stylus can need not to leave dummy keyboard but directly slide in the above, below mainly are that example describes with the stylus.
In sliding input, the present invention can catch the information that slides of stylus, writes down the sliding trajectory data of this stylus, until this stylus stop motion.
Concrete, how touch-screen or touch pad catch sliding trajectory, belong to the known technology of this area, for example, for virtual laser keyboard (Virtual Laser Keyboard), can carry out described seizure by the induction reflection ray; For capacitance touch screen, then can obtain track by periodic samples.In a word, the present invention is not limited concrete seizure scheme.
Step 202, obtain the related virtual key sequence of described sliding trajectory;
In practice, can adopt position coordinates to represent described sliding trajectory data; And, can be in the key information table relation information between memory location coordinate and the button; Like this, can obtain the pairing keystroke sequence of described sliding trajectory according to described key information table.For example, the oriented sliding trajectory according among Fig. 3 obtains keystroke sequence 12354789.
Step 203, the button in the described virtual key sequence is screened, obtain the character list entries;
In one embodiment of the invention, the starting point button of described keystroke sequence, terminal point button, and, all be necessary as the flex point button of jog separation on the sliding trajectory, the residue button can carry out screening and filtering according to the input in Chinese characteristic of current application.
The keystroke sequence 12354789 that obtains with Fig. 3 is an example, wherein the character of button 1,3,4,9 representatives must appear in the final character list entries, should determine whether the character of button 2,5,7,8 representatives appears in the last character list entries according to the input in Chinese characteristic of current application.
Concrete, how to obtain the flex point on the track, then belong to the known technology of this area.For example, the relatively variation of adjacent two sampled points with front and back of certain sampled point on the track if surpass prerequisite, can think that then this sampled point is a flex point of sliding trajectory.
Concrete, step 203 may further include following substep:
Substep 2, according to current applied input in Chinese characteristic (as in syllable characteristic, the font characteristic etc. one or more), the residue button in the described keystroke sequence is screened, obtain screening button;
Substep 3, according to the track order, make up described starting point button, flex point button, terminal point button and screening button, obtain the character list entries.
Promptly can be interpreted as in the above embodiments, at first, filter out the pairing button of starting point, flex point and terminal point; Then, all the other buttons are screened according to current applied input in Chinese characteristic.
In another embodiment of the present invention, step 203 can be refined as: obtain the pairing button of starting point, flex point and terminal point of sliding trajectory, make up starting point button, flex point button and the pairing character of terminal point button in regular turn, obtain the character list entries.Be the present invention the starting point button, flex point button and the terminal point button that only track are related to as effective button, obtain required character list entries with this.
Step 204, the described character list entries of foundation obtain corresponding Chinese candidate item, and are showed.
Can in Chinese vocabulary bank, search corresponding words according to described character list entries, obtain prepare word and select for the user.In embodiments of the present invention, preferred, the Chinese candidate item of described character list entries is sorted, show with the Chinese candidate item after the described ordering.
Concrete, prior art has provided multiple character list entries based on button, obtains the scheme of Chinese candidate item.For example, obtain the spelling input method of Chinese candidate item based on pinyin character, obtain five-stroke input method of Chinese candidate item or the like based on glyph characters, the present invention can adopt various existing feasible character conversion schemes, and this be need not to be limited.
In sliding input, slide excessively owing to use between each character keys, so the action that one or more character list entries only need one click and once lift is with respect to prior art, the action of user's input can be reduced, and input speed can be improved.
With reference to Fig. 4, show a kind of process flow diagram that slides the method embodiment 2 of input Chinese of the present invention, specifically can comprise:
Present embodiment is based on typical case's application that alphabetic keypad carries out the phonetic input.
In a kind of application example of the present invention, when stylus slides input on alphabetic keypad shown in Figure 5, passed through tens key areas, then step 403 can comprise at the screening process of keystroke sequence sdfghuvtasdfbng:
Starting point button s, flex point button h, u, a, n and terminal point button g among substep B1, the described keystroke sequence sdfghuvtasdfbng of reservation;
Substep B2, according to the syllable characteristic, the residue button among the described keystroke sequence sdfghuvtasdfbng is screened, obtain screening button;
Substep B3, the described starting point button of combination, flex point button, terminal point button and screening button obtain the spelling syllable.
Substep B2 specifically can comprise:
Beamhouse operation B21, from first residue button d, with each the residue button among the described keystroke sequence sdfghuvtasdfbng as current button;
Scalping operation B22, judge whether the keystroke sequence of the button composition of current button and its front meets the syllable characteristic, if, then carry out dusting cover and operate, otherwise, described current button abandoned.
In a preferred embodiment of the invention, can also expand the screening scope, in scalping operation B22, the keystroke sequence that is screened can obtain keystroke sequence by any key combination of current button and its front, to guarantee the width of screening.For example, asdfg, current button are g, and the button of front is asdf, and then the keystroke sequence when judging comprises: asdfg, asdg, asfg, afg, asg, adg or the like.As long as wherein there is a combination to satisfy input in Chinese characteristic (as the syllable characteristic), any key combination of promptly current button and its front might satisfy the input in Chinese characteristic, so just this keystroke sequence can be kept.
Except aforesaid scalping scheme, the present invention can also adopt better dusting cover scheme, and for example substep B2 specifically can comprise preparation process B21 and dusting cover operation B23.
The a kind of of B23 is embodied as for dusting cover operation: at current button, judge whether the button of its front, the keystroke sequence that the button of himself and its back is formed meet the syllable characteristic, if then keep described current button, otherwise abandon.
The another kind of dusting cover operation B23 is embodied as: current button and the button before and after it can combination in any (front and back between current each button are in proper order constant), not necessarily all combinations.Concrete, at current button, judge whether the keystroke sequence that any button of itself and front is formed exists at least one keystroke sequence to meet the input in Chinese characteristic, and judge whether its keystroke sequence with any button composition of back exists at least one keystroke sequence to meet the input in Chinese characteristic; If exist at least one keystroke sequence to meet input in Chinese characteristic (promptly as long as the keystroke sequence of combination might meet the input in Chinese characteristic), then keep described current button, otherwise, abandon described current button.
At first, the spelling syllable generally comprises single syllable and double-tone joint, and except single syllable such as a, o, e, the double-tone joint generally comprises initial consonant and is positioned at the simple or compound vowel of a Chinese syllable of its back, and therefore, a syllable characteristic is that two initial consonants can not be adjacent.
Suppose that current button is d, then have two adjacent initial consonants among the sd, do not meet the syllable characteristic, so abandon d; In like manner, because sf, sg do not meet the syllable characteristic, and abandon f, g.
Secondly, the mandarin simple or compound vowel of a Chinese syllable has three nineteens, can be divided into single vowel, compound vowel, vowel followed by a nasal consonant by structure; Wherein, single vowel can comprise a, o, e, ê, i, u, ü ,-i (preceding) ,-i (back), er etc.; Compound vowel can comprise ai, ei, ao, ou, ia, ie, ua, uo, ü e, iao, iou, uai, uei etc.; Vowel followed by a nasal consonant can comprise: an, ian, uan, ü an, en, in, uen, ü n, ang, iang, uang, eng, ing, ueng, ong, iong etc.
After abandoning dfg,,,, mainly can comprise two kinds of screening situations so remaining keystroke sequence is shutasdfbng so abandon current button v because the uv among the keystroke sequence shuv does not meet the simple or compound vowel of a Chinese syllable characteristic:
Because t is second initial consonant among the keystroke sequence shut, does not meet the syllable characteristic, so abandon t; In like manner, because shuas, shuad, shuaf, shuab do not meet the syllable characteristic, and abandon s, d, f, b.
Under this situation, the starting point button, terminal point button and the flex point button that only filter out among the described keystroke sequence sdfghuvtasdfbng are formed unique spelling syllable shuang.
Situation 2, suppose that user's desire imports a plurality of words, have a plurality of corresponding spelling syllables in the then described keystroke sequence, then there are a plurality of initial consonants in corresponding this example, and, one or more simple or compound vowel of a Chinese syllable.
Because t is second initial consonant among the keystroke sequence shut, thus can be with its beginning as second syllable, and t also meets the syllable characteristic among the dusting cover operation B23, thus reservation t; And then, because ta meets the syllable characteristic of this operation and dusting cover operation B23, so keep a; Further, though s, d, f, b can be used as the beginning initial consonant of new syllable, itself and the flex point button n of back and the keystroke sequence that terminal point button g forms do not meet the syllable characteristic, so abandon s, d, f, b.
To sum up, under this situation, filter out starting point button, terminal point button and flex point button among the described keystroke sequence sdfghuvtasdfbng, and residue button t forms two spelling syllable shu and tang.
From top description as can be seen, the preferred embodiments of the present invention can comprise top dusting cover operation, certainly, in actual applications, also can adopt other screening scheme, to take into account screening accuracy and width.
Above the situation of one and two spelling syllable is introduced, also may be had plural spelling syllable in the reality; With reference to Fig. 6, at keystroke sequence bdsasdfghihtyuihgfdsasdn, can only filter out wherein starting point button b, terminal point button n and flex point button a, i, t, i, a, like this, the syllable baitian that obtains can cutting be: BaiTian can cutting be BaiTiAn also; Perhaps, can also filter out residue button u, h, obtain three syllable: baituihan.
Therefore,, can sort, preferentially show word and syllable splitting thereof that frequency of utilization is high according to the frequency that the syllable corresponding word uses for the situation of described a plurality of spelling syllables.
Among the embodiment that provides above, the button related for sliding trajectory screens to some extent, chosen wherein a part of button as correct input, and conversion obtains Chinese candidate item; In fact, its situation that also exists the related button of sliding trajectory all to use, for example, with reference to sliding trajectory shown in Figure 7, according to the syllable characteristic, described keystroke sequence can be formed unique spelling syllable: shuang.
Be appreciated that the present invention is not limited to the key layout among Fig. 5 and Fig. 6, those skilled in the art can adopt the key layout of other form as required.
For example, when phonetic is imported, the letter of forming pinyin syllable can be carried out subregion according to initial consonant, simple or compound vowel of a Chinese syllable and whole recognition syllable and place.With reference to Fig. 8, in the key layout example of a kind of dummy keyboard of the present invention, it comprises initial consonant district, simple or compound vowel of a Chinese syllable district and whole recognition district, wherein, described initial consonant, simple or compound vowel of a Chinese syllable are existing in front to be introduced, described whole recognition syllable can comprise 16 spelling syllables such as zhi, chi, shi, ri, zi, ci, si, ye, yi, yin, ying, wu, yu, yue, yun, yuan, and the syllable that is about to some easy cacoepies directly shows.Whole recognition district also can be used for showing based on user's sliding trajectory and discern the initial consonant that obtains and the combination syllable of simple or compound vowel of a Chinese syllable.
Like this, when input spelling syllable shuang, because sliding trajectory only need be through the sh key in initial consonant district, and, the uang key in simple or compound vowel of a Chinese syllable district (certainly, the simple or compound vowel of a Chinese syllable district also can be arranged u and ang branch) is so sliding trajectory is a line segment, thereby can further reduce the stylus coasting distance, and input speed is faster.
Perhaps, described dummy keyboard can also adopt spelling keyboard.Spelling keyboard as shown in Figure 9 arranges that it is with initial consonant and all each personal button replacements of simple or compound vowel of a Chinese syllable.
Need to prove, when the distance of described sliding trajectory is reduced into a point, be that described letter key sequence is when including only a letter key, the Chinese of the single syllable of i.e. expression input, for example: the Chinese of single syllable a correspondence " Ah ", " " etc., the Chinese of single syllable o correspondence " ", " " etc., and the Chinese of single syllable e correspondence " is starved ", " volume " etc.
Except some screening schemes that provide above, the scheme of described in the present invention the button in the described virtual key sequence being screened can also adopt other feasible patterns, perhaps adopts the combination of multiple feasible pattern.
For example, in preferred embodiments more of the present invention, can keep by the corresponding button of downforce, obtain the character list entries based on button being screened by downforce greater than certain threshold value.Promptly, the present invention can be based on the user in sliding process, when sliding into the different key position, impose not of uniform size by downforce, when by downforce during greater than certain threshold value, think that then the user wishes this button as one in the list entries, thereby it is kept, the button that other pressure are less is then ignored.Concrete, can carry out the touch-screen of pressure detection, had in the prior art disclosed, for example, Chinese patent application number is CN200710089810.9, and the patent documentation that name is called " power and location sensitive display " discloses a kind of touch-screen that can the detected pressures size.For the realization of these bottom hardwares, the present invention does not repeat them here.
Again for example, in preferred embodiments more of the present invention, can also screen button, keep the corresponding button of contact area, obtain the character list entries greater than certain threshold value based on the contact area of pressing.Promptly, the present invention can be based on the user in sliding process, when sliding into the different key position, impose the degree difference of pressing, press the degree difference, then finger waits that to press thing just different with the contact area of touch-screen, when contact area during greater than certain threshold value, think that then the user wishes this button as one in the list entries, thereby it is kept, the button that other contacts area are less is then ignored.Concrete, for the detection of contact area, can realize that the present invention does not repeat them here by technology such as existing infrared imaging or temperature detection.
In addition, can also with press pressure screening, contact area screening with aforementioned screen to combine according to the input in Chinese characteristic button is screened, particularly, can give corresponding weights with the button that keeps to the son that goes out through multiple mode preliminary screening, take all factors into consideration which button then and finally kept.
Perhaps, can keep starting point, terminal point and flex point earlier, button is pressed the pressure screening, contact area is screened and/or the screening of input in Chinese characteristic for remaining then, the result of three kinds of screening modes is taken all factors into consideration the button of the definite final reservation in back.
With reference to Figure 10, show a kind of process flow diagram that slides the method embodiment 3 of input Chinese of the present invention, specifically can comprise:
The difference of present embodiment and embodiment 2 is, carries out the font code input based on the font keyboard; Particularly, can provide following application example:
Example 1, described font key comprise the stroke key;
For example, when on stroke keyboard shown in Figure 11, sliding input, pass through 5 key areas, obtained the stroke key sequence: a Shu Pie Ya Dian;
At first therefrom filter out starting point, flex point and terminal push: " one ", " Pie " and ", ";
Secondly, based on Chinese stroke characteristic, check sliding trajectory the button " Shu " of process with “ Ya " whether meaningful, whether should be retained.For example, concrete, can be provided with according to Chinese stroke order and stroke fuzzy matching, whether have the Chinese character that meet stroke order and fuzzy stroke order exist, if having then keep this stroke if checking.Because Chinese stroke order and stroke fuzzy matching all belong to content well-known to those skilled in the art on character structure and philology, do not repeat them here.
Through screening, the character list entries that obtains is: a Shu Pie Dian, thus obtain the Chinese words candidate item: " wood ".
Consider the situation of phrase input, in a preferred embodiment of the present invention, described dummy keyboard can also comprise separation key; And when having separation key in described keystroke sequence, the character list entries of these separation key both sides belongs to different Chinese.Promptly when comprising separation key in the related virtual key sequence of sliding trajectory, a part of virtual key sequence of virtual key sequence and back of a part before this separation key is screened respectively.
With reference to Figure 12, in a kind of application example of the present invention, separation key " [speech] " is used between two input in Chinese sequences, and representative begins to be another Chinese words input from next button;
As the sliding trajectory among the figure, " one " " [speech] " " one " " Shu " " Pie ” “ Ya " " Dian "; Then, obtain transformation result " " based on separation key " [speech] " keystroke sequence " " before; Based on separation key " [speech] " keystroke sequence " " " Shu " " Pie ” “ Ya " " Dian " afterwards, obtain transformation result " wood ", thereby can obtain the Chinese word candidate item: " wood ".
Example 2, described font key comprise stroke key and a plurality of radical key.
At this moment, except basic Chinese stroke characteristic, also should consider font characteristics such as radicals by which characters are arranged in traditional Chinese dictionaries characteristic.With reference to Figure 13, show a kind of dummy keyboard with stroke and radicals by which characters are arranged in traditional Chinese dictionaries; Like this, for the stroke input, on the basis of basic stroke key, can also use the button that has radicals by which characters are arranged in traditional Chinese dictionaries to import.For example, desire input Chinese words " companion ", as simple use basic stroke key, then need to slide through following stroke key: Pie Shu Shu Ya Yi Shu Ya one, and in conjunction with described radical key, only need to slide through following button: Ren Shu Ya Yi Shu Ya one, can reduce the stylus coasting distance like this, reduce input action, and improve input action.
Need to prove, when the distance of described sliding trajectory is reduced into a point, when promptly described font key sequence includes only a font key, can import the Chinese words of single stroke or radicals by which characters are arranged in traditional Chinese dictionaries, for example: Chinese words " ", " mouth " etc.
In a word, the present invention combines the input in Chinese characteristic and the above-mentioned various dummy keyboard of current application, to finish the method that slides phonetic input Chinese and slide font code input Chinese; Be appreciated that the present invention is not limited to above-mentioned button and letter or stroke dummy keyboard one to one, those skilled in the art can also use the dummy keyboard of other self-defined layout according to actual needs.
Embodiment is corresponding with preceding method, the invention also discloses a kind of device that slides input Chinese, and exhibition Figure 14 specifically can comprise:
Acquiring unit 1402 is used to obtain the related virtual key sequence of described sliding trajectory;
Concrete, described screening unit 1403 may further include:
Obtain subelement, be used to obtain the pairing button of starting point, flex point and terminal point of sliding trajectory;
The combination subelement is used for making up in regular turn starting point button, flex point button and the pairing character of terminal point button, obtains the character list entries.
In another preferred embodiment of the present invention, described screening unit 1403 also can specifically comprise:
Obtain subelement, be used to obtain the pairing button of starting point, flex point and terminal point of sliding trajectory;
Residue button screening subelement is used for according to current applied input in Chinese characteristic the residue button in the described keystroke sequence being screened, and obtains screening button;
The combination subelement is used for according to the track order, makes up described starting point button, flex point button, terminal point button and screening button, obtains the character list entries.
Wherein, described input in Chinese characteristic can comprise various syllable characteristics and font characteristic, and described residue button screening subelement can specifically comprise:
Preparation module: from first the residue button, with in the described keystroke sequence each the residue button as current button;
The scalping module: whether the keystroke sequence of judging any button composition of current button and its front might meet the input in Chinese characteristic, if, then keep described current button, otherwise, described current button abandoned.Wherein " possible " is meant and makes up in the keystroke sequence that obtains, and exists a keystroke sequence to meet the input in Chinese characteristic at least.
In simple realization, the scalping module can be used to also to judge whether the keystroke sequence that the button of current button and its front is formed meets the input in Chinese characteristic, if, then keep described current button, otherwise, described current button abandoned.Promptly when the key groups composition sequence, do not consider to delete the situation of button.
Certainly, for The selection result accurately, in another preferred embodiment of the present invention, described residue button screening subelement then can specifically comprise:
Preparation module: from first the residue button, with in the described keystroke sequence each the residue button as current button;
Dusting cover module:, judge whether the button of its front, the keystroke sequence that the button of himself and its back is formed meet the input in Chinese characteristic, if then keep described current button, otherwise abandon at current button.
In the realization that guarantees the screening width, the dusting cover module also can be used at current button, judge whether the keystroke sequence that any button of itself and front is formed exists at least one keystroke sequence to meet the input in Chinese characteristic, and judge whether its keystroke sequence with any button composition of back exists at least one keystroke sequence to meet the input in Chinese characteristic; If exist at least one keystroke sequence to meet the input in Chinese characteristic, then keep described current button, otherwise, abandon described current button.
In actual applications, the present invention can also use the dummy keyboard of any self-defined layout according to actual needs:
For example, when phonetic is imported, can use the alphabetic keypad that has a plurality of letter keys, perhaps, use the initial and the final subregion that includes initial consonant district, simple or compound vowel of a Chinese syllable district and whole recognition district to arrange keyboard, perhaps, use the spelling keyboard that includes the Two bors d's oeuveres key, or the like;
And for example, when font code is imported, can use the stroke keyboard that has a plurality of stroke keys, perhaps, use the keyboard that includes a plurality of stroke keys and radical key, perhaps, use the keyboard that has radical key, or the like.
In addition, consider the situation of phrase input, in a preferred embodiment of the present invention, described dummy keyboard can also comprise separation key; And when having separation key in described keystroke sequence, the character list entries of these separation key both sides belongs to different Chinese.
In the practical application, the technician can also adopt other feasible button screening schemes, for example, concrete, described screening unit specifically can comprise: pressure screening subelement, be used for keeping by the corresponding button of downforce, obtain the character list entries greater than certain threshold value based on button being screened by downforce; And/or area screening subelement is used for based on the contact area of pressing button being screened, and keeps the corresponding button of contact area greater than certain threshold value, obtains the character list entries.
Provide below and a kind of said apparatus is applied in embodiment in the touch-screen input method system.
With reference to Figure 15, show the structured flowchart of a kind of touch-screen input method system embodiment of the present invention, this touch-screen input method system comprises the device that slides input Chinese, the touch-screen input method system in the present embodiment specifically can comprise:
Acquiring unit 1502 is used to obtain the related virtual key sequence of described sliding trajectory;
Represent unit 1506, be used to represent Chinese candidate item;
Wherein, when phonetic was imported, described character list entries can comprise one or more spelling phonetics, at this moment, can search corresponding words in Chinese vocabulary bank 1505, obtained prepare word and ordering; When font code was imported, described character list entries can comprise one or more grapheme sequence, at this moment, can search corresponding words in Chinese vocabulary bank 1505 according to the stroke coding characteristic, obtained prepare word and ordering.
For device embodiment, input method system embodiment, because it is similar substantially to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
More than to a kind of method, device and touch-screen input method system that slides input Chinese provided by the present invention, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (21)
1. a method that slides input Chinese is characterized in that, comprising:
Catch the sliding trajectory of user on dummy keyboard;
Obtain the related virtual key sequence of described sliding trajectory;
Button in the described virtual key sequence is screened, obtain the character list entries;
According to described character list entries, obtain corresponding Chinese candidate item, and showed.
2. the method for claim 1 is characterized in that, the described step that button in the described virtual key sequence is screened specifically comprises:
Obtain the pairing button of starting point, flex point and terminal point of sliding trajectory, make up starting point button, flex point button and the pairing character of terminal point button in regular turn, obtain the character list entries.
3. the method for claim 1 is characterized in that, the described step that button in the described virtual key sequence is screened specifically comprises:
Obtain the pairing button of starting point, flex point and terminal point of sliding trajectory;
According to current applied input in Chinese characteristic, the residue button in the described keystroke sequence is screened, obtain screening button;
According to the track order, make up described starting point button, flex point button, terminal point button and screening button, obtain the character list entries.
4. method as claimed in claim 3 is characterized in that, the current applied input in Chinese characteristic of described foundation is screened the residue button in the described keystroke sequence, obtains screening the step of button, comprising:
Preparation process: from first the residue button, with in the described keystroke sequence each the residue button as current button;
The scalping step:
Judge current button and its front arbitrarily the keystroke sequence formed of button whether exist at least one keystroke sequence to meet the input in Chinese characteristic, if, then keep described current button, otherwise, abandon described current button;
Perhaps, judge whether the keystroke sequence of the button composition of current button and its front meets the input in Chinese characteristic, if, then keep described current button, otherwise, described current button abandoned.
5. method as claimed in claim 3 is characterized in that, the current applied input in Chinese characteristic of described foundation is screened the residue button in the described keystroke sequence, obtains screening the step of button, comprising:
Preparation process: from first the residue button, with in the described keystroke sequence each the residue button as current button;
The dusting cover step:
At current button, judge whether the keystroke sequence that any button of itself and front is formed exists at least one keystroke sequence to meet the input in Chinese characteristic, and judge whether its keystroke sequence with any button composition of back exists at least one keystroke sequence to meet the input in Chinese characteristic; If exist at least one keystroke sequence to meet the input in Chinese characteristic, then keep described current button, otherwise, abandon described current button;
Perhaps, at current button, judge whether the button of its front, the keystroke sequence that the button of himself and its back is formed meet the input in Chinese characteristic, if then keep described current button, otherwise abandon.
6. the method for claim 1 is characterized in that, the described step that button in the described virtual key sequence is screened specifically comprises:
Based on button being screened by downforce, keep by the corresponding button of downforce greater than certain threshold value, obtain the character list entries;
And/or, based on the contact area of pressing button is screened, keep the corresponding button of contact area greater than certain threshold value, obtain the character list entries.
7. the method for claim 1 is characterized in that,
Described dummy keyboard is the phonetic keyboard, and resulting character list entries is the phonetic alphabet sequence;
Perhaps, described dummy keyboard is the font keyboard, and resulting character list entries is a grapheme sequence.
8. the method for claim 1 is characterized in that,
Described dummy keyboard comprises stroke key and radical key, and resulting character list entries is radicals by which characters are arranged in traditional Chinese dictionaries-strokes sequence;
Perhaps, described dummy keyboard comprises consonant key and final key, and resulting character list entries is initial consonant-rhythm auxiliary sequence.
9. as each described method in the claim 3 to 8, it is characterized in that,
Described input in Chinese characteristic comprises syllable characteristic and/or font characteristic.
10. as each described method in the claim 1 to 8, it is characterized in that,
When comprising separation key in the related virtual key sequence of sliding trajectory, a part of virtual key sequence of virtual key sequence and back of a part before this separation key is screened respectively.
11. a device that slides input Chinese is characterized in that, comprising:
Capture unit is used to catch the sliding trajectory of user on dummy keyboard;
Acquiring unit is used to obtain the related virtual key sequence of described sliding trajectory;
The screening unit is used for the button of described virtual key sequence is screened, and obtains the character list entries;
Display unit is used for obtaining corresponding Chinese candidate item, and being showed according to described character list entries.
12. device as claimed in claim 11 is characterized in that, described screening unit specifically comprises:
Obtain subelement, be used to obtain the pairing button of starting point, flex point and terminal point of sliding trajectory;
The combination subelement is used for making up in regular turn starting point button, flex point button and the pairing character of terminal point button, obtains the character list entries.
13. device as claimed in claim 11 is characterized in that, described screening unit specifically comprises:
Obtain subelement, be used to obtain the pairing button of starting point, flex point and terminal point of sliding trajectory;
Residue button screening subelement is used for according to current applied input in Chinese characteristic the button in the described keystroke sequence being screened, and obtains screening button;
The combination subelement is used for according to the track order, makes up described starting point button, flex point button, terminal point button and screening button, obtains the character list entries.
14. device as claimed in claim 13 is characterized in that, described residue button screening subelement specifically comprises:
Preparation module: be used for from first the residue button, with each button in the described keystroke sequence as current button;
The scalping module: be used to judge whether the keystroke sequence that the button of current button and its front is formed meets the input in Chinese characteristic, if, then keep described current button, otherwise, described current button abandoned;
Perhaps, judge current button and its front arbitrarily the keystroke sequence formed of button whether exist at least one keystroke sequence to meet the input in Chinese characteristic, if, then keep described current button, otherwise, abandon described current button.
15. device as claimed in claim 13 is characterized in that, described residue button screening subelement specifically comprises:
Preparation module: be used for from first the residue button, with in the described keystroke sequence each the residue button as current button;
Dusting cover module: be used for
At current button, judge whether the keystroke sequence that any button of itself and front is formed exists at least one keystroke sequence to meet the input in Chinese characteristic, and judge whether its keystroke sequence with any button composition of back exists at least one keystroke sequence to meet the input in Chinese characteristic; If exist at least one keystroke sequence to meet the input in Chinese characteristic, then keep described current button, otherwise, abandon described current button;
Perhaps, at current button, judge whether the button of its front, the keystroke sequence that the button of himself and its back is formed meet the input in Chinese characteristic, if then keep described current button, otherwise abandon.
16. device as claimed in claim 11 is characterized in that, described screening unit specifically comprises:
Pressure screening subelement is used for keeping by the corresponding button of downforce greater than certain threshold value based on by downforce button being screened, and obtains the character list entries;
And/or area screening subelement is used for based on the contact area of pressing button being screened, and keeps the corresponding button of contact area greater than certain threshold value, obtains the character list entries.
17. device as claimed in claim 11 is characterized in that,
Described dummy keyboard is the phonetic keyboard, and resulting character list entries is the phonetic alphabet sequence;
Perhaps, described dummy keyboard is the font keyboard, and resulting character list entries is a grapheme sequence.
18. device as claimed in claim 11 is characterized in that,
Described dummy keyboard comprises stroke key and radical key, and resulting character list entries is radicals by which characters are arranged in traditional Chinese dictionaries-strokes sequence;
Perhaps, described dummy keyboard comprises consonant key and final key, and resulting character list entries is initial consonant-rhythm auxiliary sequence.
19. as each described device in the claim 13 to 18, it is characterized in that,
Described input in Chinese characteristic comprises syllable characteristic and/or font characteristic.
20., it is characterized in that described screening unit also comprises as each described device in the claim 11 to 18:
Separate and handle subelement, be used for when the related virtual key sequence of sliding trajectory comprises separation key, a part of virtual key sequence of virtual key sequence and back of a part before this separation key is screened respectively.
21. a touch-screen input method system is characterized in that, comprises each described device that slides input Chinese in aforementioned 10 to 16.
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| CN2010102991299A CN102117175A (en) | 2010-09-29 | 2010-09-29 | Method and device for inputting Chinese in sliding way and touch-screen input method system |
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| CN2010102991299A CN102117175A (en) | 2010-09-29 | 2010-09-29 | Method and device for inputting Chinese in sliding way and touch-screen input method system |
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Application publication date: 20110706 |