CN102736825A - Chinese pinyin gesture input system and method - Google Patents
Chinese pinyin gesture input system and method Download PDFInfo
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- CN102736825A CN102736825A CN2011100872961A CN201110087296A CN102736825A CN 102736825 A CN102736825 A CN 102736825A CN 2011100872961 A CN2011100872961 A CN 2011100872961A CN 201110087296 A CN201110087296 A CN 201110087296A CN 102736825 A CN102736825 A CN 102736825A
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Abstract
The invention discloses a Chinese pinyin gesture input system and method in the technical field of computer application. The Chinese pinyin gesture input system comprises an input module consisting of touch input equipment and a touch screen soft keyboard, an auxiliary positioning module and a gesture identification module. The system can identify continuous operation, namely gestures, of a user who presses, slides and leaves a touch screen as Chinese pinyin. Compared with the technology for inputting the Chinese pinyin through the touch screen in a sliding manner in the prior art, the Chinese pinyin gesture input system has the advantages that the required gesture is relatively simple, so that the input fault tolerance is improved, and the Chinese pinyin input efficiency is effectively improved.
Description
Technical field
What the present invention relates to is the method in a kind of Computer Applied Technology field, specifically is a kind of Chinese phonetic alphabet gesture input system and input method thereof.
Background technology
Along with the development of touch screen technology, increasing handheld mobile device uses touch-screen as human-computer interaction interface equipment.Use touch-screen to import the mode of the Chinese phonetic alphabet for handheld mobile device,, mainly be divided into click type input and glding type input from the action of user's input.The click type input converts the button key to letter through clicking the soft keyboard button that shows on the touch-screen, becomes a Chinese phonetic alphabet syllable by some monograms, and this is traditional method.And the glding type input changes into a Chinese phonetic alphabet syllable through the action of the user being slided continuously touch on touch-screen according to certain rule.The method of the glding type input Chinese phonetic alphabet is owing to need not continuous click, and it is more easy and quick that input mode is compared the click type input.
Through two kinds of representative glding type method for inputting pinyin have been found in the search of prior art; One Chinese patent application numbers 201010542968.9 has been put down in writing a kind of " Chinese phonetic alphabet slides input keyboard dynamic display system and display packing thereof ", and the characteristic of this system has comprised a keyboard layout generation module.One Chinese patent application 200910143476.X has put down in writing a kind of " pinyin vector input method ", and the characteristic of this method comprises with one group of directed line segment, broken line coding phonetic initial consonant, simple or compound vowel of a Chinese syllable or symbol.
Analyzing above two kinds of technology can find, the former is through the difference of initial button, the conversion keyboard layout, and this technology is because exist multiple different keyboard layout, and it is longer to cause the user to adapt to the cycle in use; And the path of user when touch is slided depends on keyboard, because button is less relatively on the less touch panel device of mobile phone or other screens, and the input that therefore leads to errors easily, fault-tolerance is relatively poor.The latter exists the user to adapt to long problem of cycle in use because used directed line segment and broken line to encode equally, and importing a Chinese phonetic alphabet syllable simultaneously needs complicated sliding path, and efficient is lower.
Under this background, when sliding the input Chinese phonetic alphabet, have the advantages that the adaptation cycle is short, fault-tolerance is better and input efficiency is higher to customer requirements, the present invention has been proposed.
Summary of the invention
The present invention is directed to the above-mentioned deficiency that prior art exists, a kind of Chinese phonetic alphabet gesture input system and input method thereof are provided.Compare above-mentioned prior art, the present invention utilizes auxiliary positioning module to help the user on touch-screen, to slide, and utilizes the user to press, slide simultaneously and leaves the continuous action of touch-screen, and promptly gesture is carried out the input of the Chinese phonetic alphabet.Auxiliary positioning module can use the prompting figure to let the user when the input Chinese phonetic alphabet, shorten the adaptation cycle, improves the input fault-tolerance, promotes input efficiency.
The present invention realizes through following technical scheme:
The present invention relates to a kind of Chinese phonetic alphabet gesture input system; Comprise: load module, auxiliary positioning module and the gesture identification module formed by touch input device and touch screen soft-keyboard; Wherein: touch input device converts the action that the user presses touch-screen into the electric signal coordinate, and this coordinate and soft keyboard key area traversal are compared, and obtains the button key and also exports auxiliary positioning module to; Auxiliary positioning module shows that according to the button key of input being used for guides user carries out the prompting figure that gesture is imported; Contain the information of the corresponding relation of different piece and contained letter of the Chinese phonetic alphabet or monogram in the prompting figure, load module is also gathered the continuous action that the user presses, slides and leaves touch-screen, i.e. gesture; And convert the electric signal Grid Track into and export the gesture identification module to; The gesture identification module is connected with auxiliary positioning module simultaneously, obtains the prompting figure of auxiliary positioning module, by the pairing Chinese phonetic alphabet syllable of gesture identification module output gesture.
Described touch screen soft-keyboard uses qwerty keyboard layout type or T9 keyboard layout mode.
Described auxiliary positioning module comprises: storage unit and display unit; Wherein: storage unit is according to the storage mode of array; Deposit the pairing prompting figure of all soft keyboard button keys in the hardware store unit in advance; Display unit obtains current button key from load module, from storage unit, obtains the prompting figure through the traversal array, and will point out drawing function or the instruction of figure through touch-screen to be presented on the touch-screen.
The described guides user that is used for is carried out the prompting figure that gesture is imported; Comprise two zones: gesture initiation region and remaining area; Wherein: the gesture initiation region is the zone that gesture is pressed when beginning; Gesture is that the gesture initiation region from appointment begins, and the gesture initiation region is outside the soft keyboard key area, and it is remaining area that the prompting figure is removed the gesture initiation region.
Described gesture identification module comprises: matching unit and recognition unit; Wherein: matching unit obtains from prompting figure current in the Grid Track of load module and the auxiliary positioning module; The corresponding relation of different piece and contained letter of the Chinese phonetic alphabet or monogram in the utilization prompting figure; Obtain pairing letter of part or monogram that Grid Track successively streaks respectively in the prompting figure, connect successively, form an alphabetic string; After in removing this alphabetic string, can not forming the consonant Chinese Pin Yin pseudonym or the ending of a final, that mediate; It is passed to recognition unit, and recognition unit receives and calculates alphabetic string and all Levenshtein distances with the Chinese phonetic alphabet syllable of this alphabetic string initial beginning after the alphabetic string, select Levenshtein apart from the Chinese phonetic alphabet syllable of minimum as the result who imports.
Above-mentioned Levenshtein distance is called editing distance again, is used to weigh the difference size of two word strings in the computer realm of being everlasting, and it is defined as: between two word strings, change into another required minimum editing operation number of times by one.The editing operation of permission comprises a character replacement is become another character, inserts a character, deletes a character.
The present invention relates to the Chinese phonetic alphabet gesture input method of said system, may further comprise the steps:
The first step, the screen displaying soft keyboard;
Second step, when touch input device collects the action that the user presses touch-screen, will press action and convert the electric signal coordinate into, change next step then;
The 3rd step if this coordinate in the soft keyboard key area, then compares with the key area traversal, obtained the button key and also is passed to auxiliary positioning module, changeed next step then, otherwise changeed for second step;
In the 4th step, auxiliary positioning module is obtained the corresponding prompting figure of button key through the traversal array from storage unit, will point out the gesture initiation region in the figure to be presented on the touch-screen then;
The 5th step; When touch input device collects the action that the user presses touch-screen, will press action and convert the electric signal coordinate into, if this coordinate is in the gesture initiation region of prompting figure; Then will point out the remaining area of figure to be shown on the touch-screen; And change next step, otherwise remove the demonstration of current prompting figure gesture initiation region, changeed for the 3rd step then;
The 6th step when touch input device collects the action that the user leaves touch-screen, showed that the user had accomplished a gesture, and be converted into gesture the electric signal Grid Track and be passed to the gesture identification module this moment, hid the remaining area in the prompting figure simultaneously;
The 7th step; Matching unit in the gesture identification module obtains from prompting figure current in the Grid Track of load module and the auxiliary positioning module; The corresponding relation of different piece and contained letter of the Chinese phonetic alphabet or monogram obtains pairing letter of part or monogram that Grid Track successively streaks respectively in the utilization prompting figure in the prompting figure, connects successively; Form an alphabetic string; After in removing this alphabetic string, can not forming the consonant Chinese Pin Yin pseudonym or the ending of a final, that mediate, it is passed to recognition unit, recognition unit calculates alphabetic string and all Levenshtein distances with the Chinese phonetic alphabet syllable of this alphabetic string initial beginning after receiving alphabetic string; Select Levenshtein apart from the Chinese phonetic alphabet syllable of minimum result, changeed for the 5th step and continue the input Chinese phonetic alphabet as input.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the T9 soft keyboard key arrangement mode of embodiment.
Fig. 3 is the pairing prompting figure of embodiment soft keyboard button, wherein: (a) be button 2 pairing prompting figures; (b) be button 3 pairing prompting figures; (c) be button 4 pairing prompting figures; (d) be button 5 pairing prompting figures; (e) be button 6 pairing prompting figures; (f) be button 7 pairing prompting figures; (g) be button 8 pairing prompting figures; (h) be button 9 pairing prompting figures;
Fig. 4 clicks content displayed on the soft keyboard button 4 back touch-screens for user among the embodiment.
Fig. 5 makes when using gesture input Chinese phonetic alphabet syllable " huang " content displayed on the touch-screen for user among the embodiment.
Embodiment
Elaborate in the face of embodiments of the invention down, present embodiment provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment being to implement under the prerequisite with technical scheme of the present invention.
As shown in Figure 1; Present embodiment comprises: by the load module of being made up of touch input device and touch screen soft-keyboard, auxiliary positioning module and gesture identification module; Wherein: touch input device converts the action that the user presses touch-screen into the electric signal coordinate, and this coordinate and soft keyboard key area traversal are compared, and obtains the button key and also exports auxiliary positioning module to; Auxiliary positioning module shows that according to the button key of input being used for guides user carries out the prompting figure that gesture is imported; Contain the information of the corresponding relation of different piece and contained letter of the Chinese phonetic alphabet or monogram in the prompting figure, load module is also gathered the continuous action that the user presses, slides and leaves touch-screen, i.e. gesture; And convert the electric signal Grid Track into and export the gesture identification module to; The gesture identification module is connected with auxiliary positioning module simultaneously, obtains the prompting figure of auxiliary positioning module, by the pairing Chinese phonetic alphabet syllable of gesture identification module output gesture.
Touch screen soft-keyboard in this device uses mobile device T9 keyboard layout modes commonly used such as mobile phone, and the layout of soft keyboard and the position in touch-screen are as shown in Figure 2.
Described auxiliary positioning module comprises: storage unit and display unit; Wherein: storage unit is according to the storage mode of array; Deposit the pairing prompting figure of all soft keyboard button keys in the hardware store unit in advance; Display unit obtains current button key from load module, from storage unit, obtains the prompting figure through the traversal array, and will point out drawing function or the instruction of figure through touch-screen to be presented on the touch-screen.
The described guides user that is used for is carried out the prompting figure that gesture is imported; Comprise two zones: gesture initiation region and remaining area; Wherein: the gesture initiation region is the zone that gesture is pressed when beginning; Gesture is that the gesture initiation region from appointment begins, and the gesture initiation region is outside the soft keyboard key area, and it is remaining area that the prompting figure is removed the gesture initiation region.
Described gesture identification module comprises: matching unit and recognition unit; Wherein: matching unit obtains from prompting figure current in the Grid Track of load module and the auxiliary positioning module; The corresponding relation of different piece and contained letter of the Chinese phonetic alphabet or monogram in the utilization prompting figure; Obtain pairing letter of part or monogram that Grid Track successively streaks respectively in the prompting figure, connect successively, form an alphabetic string; After in removing this alphabetic string, can not forming the consonant Chinese Pin Yin pseudonym or the ending of a final, that mediate; It is passed to recognition unit, and recognition unit receives and calculates alphabetic string and all Levenshtein distances with the Chinese phonetic alphabet syllable of this alphabetic string initial beginning after the alphabetic string, select Levenshtein apart from the Chinese phonetic alphabet syllable of minimum as the result who imports.
In the above-mentioned recognition unit, might with alphabetic string Levenshtein more than apart from the syllable of minimum, these syllables all are the results of input so, can supply the user to select.
In this device in the T9 soft keyboard button 2 to 9 pairing prompting figures as shown in Figure 3.In each figure of Fig. 3, dark part belongs to the gesture initiation region, and according to the narration of front, when prompting graphic presentation was to touch-screen, gesture initiation region discord T9 soft keyboard was overlapping.
This device uses the following steps input Chinese phonetic alphabet:
The first step, the screen displaying soft keyboard;
Second step, when touch input device collects the action that the user presses touch-screen, will press action and convert the electric signal coordinate into, change next step then;
The 3rd step if this coordinate in the soft keyboard key area, then compares with the key area traversal, obtained the button key and also is passed to auxiliary positioning module, changeed next step then, otherwise changeed for second step;
In the 4th step, auxiliary positioning module is obtained the corresponding prompting figure of button key through the traversal array from storage unit, will point out the gesture initiation region in the figure to be presented on the touch-screen then;
The 5th step; When touch input device collects the action that the user presses touch-screen, will press action and convert the electric signal coordinate into, if this coordinate is in the gesture initiation region of prompting figure; Then will point out the remaining area of figure to be shown on the touch-screen; And change next step, otherwise remove the demonstration of current prompting figure gesture initiation region, changeed for the 3rd step then;
The 6th step when touch input device collects the action that the user leaves touch-screen, showed that the user had accomplished a gesture, and be converted into gesture the electric signal Grid Track and be passed to the gesture identification module this moment, hid the remaining area in the prompting figure simultaneously;
The 7th step; Matching unit in the gesture identification module obtains from prompting figure current in the Grid Track of load module and the auxiliary positioning module; The corresponding relation of different piece and contained letter of the Chinese phonetic alphabet or monogram obtains pairing letter of part or monogram that Grid Track successively streaks respectively in the utilization prompting figure in the prompting figure, connects successively; Form an alphabetic string; After in removing this alphabetic string, can not forming the consonant Chinese Pin Yin pseudonym or the ending of a final, that mediate, it is passed to recognition unit, recognition unit calculates alphabetic string and all Levenshtein distances with the Chinese phonetic alphabet syllable of this alphabetic string initial beginning after receiving alphabetic string; Select Levenshtein apart from the Chinese phonetic alphabet syllable of minimum result, changeed for the 5th step and continue the input Chinese phonetic alphabet as input.
Demonstrate the course of work of this device below through user's angle:
The user imports example 1:
Suppose that the user will import the Chinese phonetic alphabet " huang ", the user clicks the button 4 in the soft keyboard shown in Figure 1 earlier so, at this moment, occurs the gesture initiation region of button 4 pairing prompting figures on the touch-screen, and is as shown in Figure 4.
Then; The user presses the block of cells that is designated " h " in the gesture initiation region; Point out the remaining area of figure to show this moment, and the user is according to the prompting of prompting figure, and its gesture is streaked block of cells " h ", " u ", " h ", " a ", " n ", " ng " successively; The track of curved line representative of consumer gesture on touch-screen as shown in Figure 5, thick.
After user's gesture input finishes, the prompting figure disappears, and the matching unit of this device has been noted the letter or the formed monogram of monogram " huhanng " of the block of cells that the gesture track run through.Wherein, remove the consonant that can not form the syllable initial consonant or the ending of a final in the monogram, promptly middle " h " and " n ", remaining " huang " forms a new alphabetic string.
Calculate alphabetic string " huang " and all Levenshtein distances with the Chinese phonetic alphabet syllable of " h " beginning; The Levenshtein that finds alphabetic string " huang " and syllable " huang " is apart from minimum; Therefore the gesture identification module is exported the result, and promptly the user requires the Chinese phonetic alphabet syllable " huang " of input.
The user imports example 2:
Suppose that the gesture that the user imports has squinted some downwards in example 1; Its gesture has been streaked block of cells " h ", " ü ", " ng ", " n ", " u ", " h ", " a ", " n ", " ng " successively, and the monogram that forms so is " h ü ngnuhanng ".Wherein, remove the consonant that can not form the syllable initial consonant or the ending of a final in the monogram, promptly middle " n ", " g ", " n ", " h " and " n ", remaining " h ü uang " forms a new alphabetic string.
Calculate alphabetic string " h ü uang " and all Levenshtein distances with the Chinese phonetic alphabet syllable of " h " beginning; Find with the Levenshtein distance of syllable " huang " wherein be 1; Be minimum among all; Therefore the gesture identification module is exported the result, and promptly the user requires the Chinese phonetic alphabet syllable " huang " of input.Can find out from this example,, identify correct result even the gesture input has deviation, this device also can digest wrong input information slightly.
The advantage of this device is: the user can be according to prompting figure input gesture; Need not to remember the corresponding relation of gesture and Chinese phonetic alphabet syllable; And according to finding to the conclusion of prompting figure; Remaining area in the prompting figure is essentially identical, and this can shorten the adaptation cycle that the user uses greatly; The block of cells area of identifier word mother or monogram is bigger in the prompting figure, and can digest unexpected deviation in the gesture input through the combination of gesture identification module and input method, has therefore improved the input fault-tolerance; Through statistics, the design of this device prompting figure lets user's gesture when input, be no more than twice bending at most, has therefore improved input efficiency.
Claims (6)
1. Chinese phonetic alphabet gesture input system; It is characterized in that, comprising: by load module, auxiliary positioning module and gesture identification module that touch input device and touch screen soft-keyboard are formed, wherein: touch input device converts the action that the user presses touch-screen into the electric signal coordinate; This coordinate and soft keyboard key area traversal are compared; Obtain the button key and export auxiliary positioning module to, auxiliary positioning module shows that according to the button key of input being used for guides user carries out the prompting figure that gesture is imported, and contains the information of the corresponding relation of different piece and contained letter of the Chinese phonetic alphabet or monogram in the prompting figure; Load module is also gathered the continuous action that the user presses, slides and leaves touch-screen; Be gesture, and convert the electric signal Grid Track into and export the gesture identification module to that the gesture identification module is connected with auxiliary positioning module simultaneously; Obtain the prompting figure of auxiliary positioning module, by the pairing Chinese phonetic alphabet syllable of gesture identification module output gesture.
2. Chinese phonetic alphabet gesture input system according to claim 1 is characterized in that, described touch screen soft-keyboard uses qwerty keyboard layout type or T9 keyboard layout mode.
3. Chinese phonetic alphabet gesture input system according to claim 1; It is characterized in that; Described auxiliary positioning module comprises: storage unit and display unit; Wherein: storage unit deposits the pairing prompting figure of all soft keyboard button keys in the hardware store unit in advance according to the storage mode of array, and display unit obtains current button key from load module; From storage unit, obtain the prompting figure, and will point out drawing function or the instruction of figure to be presented on the touch-screen through touch-screen through the traversal array.
4. Chinese phonetic alphabet gesture input system according to claim 1; It is characterized in that the described guides user that is used for is carried out the prompting figure that gesture is imported, and comprises two zones: gesture initiation region and remaining area; Wherein: the gesture initiation region is the zone that gesture is pressed when beginning; Gesture is that the gesture initiation region from appointment begins, and the gesture initiation region is outside the soft keyboard key area, and it is remaining area that the prompting figure is removed the gesture initiation region.
5. Chinese phonetic alphabet gesture input system according to claim 1; It is characterized in that; Described gesture identification module comprises: matching unit and recognition unit; Wherein: matching unit obtains from prompting figure current in the Grid Track of load module and the auxiliary positioning module, and the corresponding relation of different piece and contained letter of the Chinese phonetic alphabet or monogram obtains pairing letter of part or monogram that Grid Track successively streaks respectively in the utilization prompting figure in the prompting figure; Connect successively; Form an alphabetic string, in removing this alphabetic string, can not form the consonant Chinese Pin Yin pseudonym or the ending of a final, that mediate after, it is passed to recognition unit; Recognition unit receives and calculates alphabetic string and all Levenshtein distances with the Chinese phonetic alphabet syllable of this alphabetic string initial beginning after the alphabetic string, select Levenshtein apart from the Chinese phonetic alphabet syllable of minimum as the result who imports.
6. the Chinese phonetic alphabet gesture input method according to the said system of above-mentioned arbitrary claim is characterized in that, may further comprise the steps:
The first step, the screen displaying soft keyboard;
Second step, when touch input device collects the action that the user presses touch-screen, will press action and convert the electric signal coordinate into, change next step then;
The 3rd step if this coordinate in the soft keyboard key area, then compares with the key area traversal, obtained the button key and also is passed to auxiliary positioning module, changeed next step then, otherwise changeed for second step;
In the 4th step, auxiliary positioning module is obtained the corresponding prompting figure of button key through the traversal array from storage unit, will point out the gesture initiation region in the figure to be presented on the touch-screen then;
The 5th step; When touch input device collects the action that the user presses touch-screen, will press action and convert the electric signal coordinate into, if this coordinate is in the gesture initiation region of prompting figure; Then will point out the remaining area of figure to be shown on the touch-screen; And change next step, otherwise remove the demonstration of current prompting figure gesture initiation region, changeed for the 3rd step then;
The 6th step when touch input device collects the action that the user leaves touch-screen, showed that the user had accomplished a gesture, and be converted into gesture the electric signal Grid Track and be passed to the gesture identification module this moment, hid the remaining area in the prompting figure simultaneously;
The 7th step; Matching unit in the gesture identification module obtains from prompting figure current in the Grid Track of load module and the auxiliary positioning module; The corresponding relation of different piece and contained letter of the Chinese phonetic alphabet or monogram obtains pairing letter of part or monogram that Grid Track successively streaks respectively in the utilization prompting figure in the prompting figure, connects successively; Form an alphabetic string; After in removing this alphabetic string, can not forming the consonant Chinese Pin Yin pseudonym or the ending of a final, that mediate, it is passed to recognition unit, recognition unit calculates alphabetic string and all Levenshtein distances with the Chinese phonetic alphabet syllable of this alphabetic string initial beginning after receiving alphabetic string; Select Levenshtein apart from the Chinese phonetic alphabet syllable of minimum result, changeed for the 5th step and continue the input Chinese phonetic alphabet as input.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092363A (en) * | 2013-01-28 | 2013-05-08 | 上海斐讯数据通信技术有限公司 | Mobile terminal with gesture input function and mobile terminal gesture input method |
| CN104346067A (en) * | 2013-11-15 | 2015-02-11 | 上海触乐信息科技有限公司 | Method and system for continuously inputting words in sliding mode |
| CN107831918A (en) * | 2017-11-13 | 2018-03-23 | 中山大学 | A kind of handwritten Chinese character input method based on half square braille digital coding |
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2011
- 2011-04-08 CN CN2011100872961A patent/CN102736825A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092363A (en) * | 2013-01-28 | 2013-05-08 | 上海斐讯数据通信技术有限公司 | Mobile terminal with gesture input function and mobile terminal gesture input method |
| CN104346067A (en) * | 2013-11-15 | 2015-02-11 | 上海触乐信息科技有限公司 | Method and system for continuously inputting words in sliding mode |
| WO2015070825A3 (en) * | 2013-11-15 | 2015-07-23 | 上海触乐信息科技有限公司 | Method and system for inputting word by means of continuous sliding |
| US10082952B2 (en) | 2013-11-15 | 2018-09-25 | Shanghai Chule (CooTek) Information Technology Co. Ltd. | System and method for text input by a continuous sliding operation |
| CN107831918A (en) * | 2017-11-13 | 2018-03-23 | 中山大学 | A kind of handwritten Chinese character input method based on half square braille digital coding |
| CN107831918B (en) * | 2017-11-13 | 2021-07-20 | 中山大学 | Hand-written Chinese character input method based on half square braille digital coding |
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Application publication date: 20121017 |