KR20090049903A - Phrase input system and method using fuzzy touch of device applying virtual keyboard - Google Patents
Phrase input system and method using fuzzy touch of device applying virtual keyboard Download PDFInfo
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- KR20090049903A KR20090049903A KR1020070116258A KR20070116258A KR20090049903A KR 20090049903 A KR20090049903 A KR 20090049903A KR 1020070116258 A KR1020070116258 A KR 1020070116258A KR 20070116258 A KR20070116258 A KR 20070116258A KR 20090049903 A KR20090049903 A KR 20090049903A
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- South Korea
- Prior art keywords
- touch
- key button
- word
- candidate
- candidate word
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
According to the present invention, a key button for simultaneously recognizing a touch key and an adjacent key button positioned within a predetermined distance scale based on a touch key and a reference key button located on a touch point that is a touched point on a virtual keyboard operated by touch Recognition unit; And a plurality of N-th spells recognized at the Nth touch through simultaneous recognition of the reference key button and the adjacent key button of the key button recognition unit, and N-1 or N searched at the time of recognition of the N-1th touch before the Nth touch. Any of the plurality of N-th spells recognized when the N-th spell of the candidate word is recognized at the N-th touch, compared to the N-th spell of the candidate word having N or more than N spells among candidate words having one or more spells Provided is a character input system using a fuzzy touch of a device to which a virtual keyboard is applied, including a candidate word updating unit for updating and providing only candidate words that match one another with new candidate words. According to a character input system and method using a fuzzy touch of a device to which the disclosed virtual keyboard is applied, a key button located at a touch point and a key button adjacent thereto are simultaneously recognized and a combination of recognized key buttons and word information in a DB is used. Quick autocompletion of words enables precise completion of desired words automatically, even if you do not touch the key buttons accurately.
Virtual keyboard, touch screen, candidate word, key button, touch point, distance scale
Description
The present invention relates to a character input system and method using a fuzzy touch of a device to which a virtual keyboard is applied, and simultaneously recognizes a key button located at a touch point and a key button adjacent thereto in a device to which a virtual keyboard is applied. The present invention relates to a character input system and method for autocompleting a word using a combination of word information and word information in a DB.
Recently, the proportion of mobile terminals employing front touch screens such as iPhones and Prada phones is increasing. Computers such as tablet PCs provide virtual keyboards in the form of touch screens instead of physical keyboards. The virtual keyboard or keypad implemented in such a graphic form has the advantage of easily changing the interface in software. However, like the keypad of the existing mobile terminal, there is no possibility of pressing the wrong key because there is no physical boundary between the key buttons. Due to this feature, when a character is input using the virtual keyboard shown on the touch screen, a lot of errors occur, which causes a problem of lengthening the character input time.
The present invention was created in order to solve the above-mentioned problems, and simultaneously recognizes a key button located at a touch point and a key button located at a point adjacent to the touch point, and uses a combination of recognized key buttons and word information in the DB. Providing a character input system and method using a fuzzy touch of a device with a virtual keyboard that can automatically complete and provide a desired word even if you do not touch by accurately aiming the key button according to the rapid autocompletion of Its purpose is to.
Character input system using a fuzzy touch of the device to which the virtual keyboard of the present invention is applied to achieve the above object, the reference key button and the touch is located on the touch point that is touched on the virtual keyboard operated by touch A key button recognition unit for simultaneously recognizing adjacent key buttons located within a predetermined distance scale based on the touch point; And a plurality of N-th spells recognized at the N-th touch through simultaneous recognition of the reference key button and the adjacent key button of the key button recognition unit, and N-1 searched at the time of recognition of the N-th touch before N-th, or A plurality of Nth words in which the Nth spelling of the candidate word is recognized at the time of the Nth teaching as compared with the Nth spelling of the candidate word having N or more than N spells among candidate words having N-1 or more spellings And a candidate word update unit for updating and providing only candidate words that match one of the spelling words with new candidate words.
The predetermined distance scale may be a predetermined length from the touch point to the key button.
Here, the key button recognition unit, the distance scale between the reference key button and the touch point existing at the position nearest to the touch point among the reference key button and the adjacent key button is less than a predetermined first reference distance scale. Only the reference key button can be recognized.
The key button recognition unit may recognize both the reference key button and the adjacent key button when the distance measure between the reference key button and the touch point is greater than or equal to the first reference distance measure.
On the other hand, the system of the present invention, when the N-th touch is made, the N or N so that the user can select the desired word among the candidate words having N or N or more spelled words searched when the N-th touch is recognized A display unit displaying candidate words having more than one spelling; And an input unit configured to receive a desired word from a candidate word displayed on the display unit from a user.
Alternatively, the system of the present invention, when receiving the input completion signal indicating the completion of the word input after the N-th touch, N spelling of candidate words having N or N or more spelled words detected when the N-th touch recognition A display unit configured to display only candidate words having a word, and to allow a user to select a desired word among candidate words having the N spellings; And an input unit configured to receive a desired word from a candidate word displayed on the display unit from a user.
On the other hand, when the number of the candidate words searched on the Nth touch is 1 and the input completion signal is received after the Nth touch, the display unit automatically displays the one candidate word without selecting a word through the input unit. can do.
The input unit may be configured to adjust the size of the predetermined distance scale and input the input completion signal.
In addition, when the number of the candidate words retrieved at the Nth touch is 0, the display unit may display and notify in real time that the number of the candidate words is 0 at each Nth touch.
The system of the present invention may further include a DB unit in which the candidate words are pre-stored. In this case, the input unit may receive a new candidate word not stored in the DB unit and transmit the new candidate word to the DB unit.
Character input method using a fuzzy touch of the device to which the virtual keyboard is applied to achieve the above object, the reference key button located on the touch point which is a touch point on the virtual keyboard operated by the touch and the touch point A key button recognition step of simultaneously recognizing adjacent key buttons located within the touch point and a predetermined distance scale; And a plurality of N-th spells recognized at the Nth touch through simultaneous recognition of the reference key button and the adjacent key button, and N-1 or N-1 searched at the time of recognition of the N-1th touch before the Nth touch. Any of the plurality of N-th spellings recognized in the N-th teach-in, when the N-th spelling of the candidate word is compared with the N-th spelling of the candidate word having N or more than N spells among the candidate words having the above spellings. And a candidate word update step of providing only candidate words that match each other with new candidate words.
The predetermined distance scale may be a predetermined length from the touch point to the key button.
Here, in the key button recognition step, a distance scale between the reference key button and the touch point existing at the position closest to the touch point among the reference key button and the adjacent key button is equal to or less than a predetermined first reference distance scale. In this case, only the reference key button can be recognized.
The key button recognition step may recognize both the reference key button and the adjacent key button when the distance measure between the reference key button and the touch point is greater than or equal to the first reference distance measure.
On the other hand, the method of the present invention, when the N-th touch is made, the N or N so that the user can select the desired word among the candidate words having N or N or more spelled words searched when the N-th touch is recognized A candidate word display step of displaying a candidate word having at least two spellings; And a candidate word input step of receiving a desired word from a displayed candidate word from a user.
Alternatively, in the method of the present invention, when an input completion signal indicating completion of a word input after the Nth touch is received, N spells among candidate words having N or N or more spelled words detected when the Nth touch is recognized. Displaying a candidate word having a candidate word, and displaying a candidate word to allow a user to select a desired word among candidate words having the N spellings; And a candidate word input step of receiving a desired word from the displayed candidate word from the user.
On the other hand, in the candidate word display step, when the number of the candidate words found at the Nth touch is received and the input completion signal is received after the Nth touch, the candidate word is displayed without selecting the word by the user. It can be displayed automatically.
In addition, the method of the present invention, before the key button recognition step, the predetermined distance scale size setting step of receiving a setting for adjusting the size of the predetermined distance scale; And an input completion signal input step in which the input completion signal is input after the candidate word update step.
On the other hand, in the candidate word display step, if the number of candidate words found at the Nth touch is 0, the candidate words may be displayed in real time that the number of the candidate words is 0 at each Nth touch.
The candidate word may be a word previously stored in a DB unit, and the method may further include a candidate word addition step of receiving a new candidate word not stored in the DB unit and transmitting the new candidate word to the DB unit.
According to the character input system and method using the fuzzy touch of the device to which the virtual keyboard is applied according to the present invention, not only the key corresponding to the touch point but also the simultaneous recognition of all the nearby keys included in the predetermined distance scale, and the user When the user performs a series of touches to input a specific word, the word existing in the DB is finally input among words composed of a sequential combination of a plurality of keys recognized for each touch, thereby allowing the user to accurately input the desired key. Even if you do not touch the target word can be input, the error rate is low and the input speed has the advantage.
Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.
Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.
2 is a configuration diagram of a character input system using a fuzzy touch of a device to which a virtual keyboard is applied according to an embodiment of the present invention, FIG. 3 is an exemplary view of key button recognition using the system of FIG. 2, and FIG. 4 is a schedule of FIG. 3. Exemplary diagrams illustrating various sizes of distance scales, and FIG. 5 is a diagram illustrating an embodiment of character input using the system of FIG. 2.
The virtual keyboard refers to a virtual keyboard operated through a touch of a user or other tool, and not only a virtual keyboard implemented on a touch screen, but also a virtual keyboard implemented through an image virtually formed through laser projection. It is a concept that encompasses all keyboards with various kinds of virtual concepts not listed.
In addition, the device to which the virtual keyboard is applied may include any device equipped with the various types of virtual keyboards, such as a computer, a notebook, a mobile phone, a PDA, and the like.
Hereinafter, for convenience of description, a system and method of the present invention will be described in detail with reference to a virtual keyboard implemented on a touch screen as an example.
As shown in FIG. 2, the
The key
In the conventional case as illustrated in FIG. 1, a
However, in the case of the present invention, as shown in FIG. 3, not only the reference key button (button 't') located at the
Here, the predetermined
The
Accordingly, the key
In FIG. 3, a part of key buttons 'r', 't', 'f', 'g' is positioned on the concentric area, and when the diameter of the concentric area is larger than that of FIG. In the case of a button, all of the key buttons may be located in the concentric circle area.
The candidate
For example, when touched 's', 'c', 'h', 'o', 'o', 'l', the key
Hereinafter, with reference to FIGS. 2 to 5 with respect to the recognition example of the key
The
That is, since the
For example, in FIG. 2 where the
That is, when the distance scale with respect to the reference key button within the
For example, among the reference key buttons of 's', 'c', 'h', 'o', 'o', and 'l' touched by the user, 's', 'c', 'o' The occupancy rate of the reference key buttons corresponding to 'o' exceeds all of the first reference ratios of 80% or more, respectively, which indicates that the center of the listed reference key buttons is sufficiently close to the
Here, the key
That is, when the distance scale between the
For example, when the ratio of the reference key button (button 't') in the
3, for example, among the reference key buttons of 's', 'c', 'h', 'o', 'o', and 'l' touched by the user, The charge ratio of the reference key button was less than 80%, which is the first reference ratio, respectively, which means that the center of the listed reference key buttons is separated from the
That is, when the distance scale of the reference key button is within a certain reference distance scale within the
On the other hand, in addition to the key
For example, assuming that the second reference ratio corresponding to the second reference distance scale is 20%, for example, the ratio of the reference key button (button 't') in the
3, for example, among the reference key buttons of 's', 'c', 'h', 'o', 'o', and 'l' touched by the user, Since the charge ratio of the reference key buttons is less than 80%, which is the first reference ratio, respectively, at this time, not only the reference key buttons 'h' and 'l' but also adjacent key buttons around 'h' (for example, Of the adjacent key buttons (e.g., buttons 'k', 'i', 'o') around the 'j', 'v', 'b') and 'l' A function of fuzzy touch that simultaneously recognizes only the adjacent key button (button 'j') around the corresponding 'h' and the adjacent key button (button 'k') around the 'l' is activated. When the adjacent key button is recognized, the keypad is not used for word input when the charge ratio is less than a certain ratio, that is, when the distance scale is greater than or equal to the second reference distance scale and the distance from the
Of course, the first reference distance scale and the second reference distance scale as described above can be freely changed according to the user's preferences and the characteristics of the work, and various values are determined according to the method of recognizing nearby keys except for the key corresponding to the touch point. Can have
Herein, an embodiment of the candidate
For example, in the case of touching the first letter 's' among the school words, only words starting with 's' and 's' are searched among the words stored in the
Here, in the case of the first (N = 1) touch, since the N-1 (0) th touch does not exist, at this time 'N (1) or N (1) stored in the
In addition, when the second letter 'c' after 's' is touched, only 'c' is recognized, and in this case, 'sc' among words starting with 's' and 's' searched at the first touch. Only words starting with 'and' sc are automatically updated with the candidate word group.
That is, scab, sch, school, schoolboy, schemetic, sclera, sclerometer, scold, scrap, scrumptious starting with 'sc' as well as 'sc', which is the second word among candidate words that matches 'c'. Only the back is updated with candidate words.
If you touch the next third letter, 'h', 'h' and 'l' are recognized at the same time, and 'sch', from among the words starting with 'sc' and 'sc,' Words starting with 'scl', 'sch', and words starting with 'scl' are updated to the candidate word group (if the sch, scl is not in the dictionary that is not included in the word on DB 150) May not be a candidate word.)
That is, the third word spelling of the candidate words 'sch', 'scl' as well as the candidate words 'sch', 'scl' matching the 'h' or 'l', sch, school, schoolboy, schemetic, sclera, sclerometer, etc. are updated to candidate words.
Here, of course, when no word starts with 'scl', only words starting with 'sch' are designated as candidate word groups.
After repeatedly performing these steps, if the recognition words are 'school' and 'schook' when the sixth touch is performed at the same time, the recognition is searched from the
As such, starting from within the initial candidate word group (the
Herein, when the Nth touch is made, the N or N or more words are selected so that a user can select a desired word among candidate words having N or N or more spellings that are searched for when the Nth touch is recognized. A
The
For example, the words searched for when the fifth touch is recognized may include 'schoo', 'school', 'schoolboy', 'schoolgirl', and 'schook' (words that do not actually exist). All of the above-described candidate words can be displayed and provided on the touch of the 'l' button, and a desired word selected therefrom can be input.
In the above case, even if the input completion signal is not input, the candidate word is displayed in real time every touch, and if the desired word is displayed in the candidate word even if the user does not input all the spelling words, the desired word is immediately selected. To directly enter
In addition to this method, when the
For example, the words searched during the sixth touch recognition may include 'school', 'schoolboy', 'schoolgirl', and 'schook' (words that do not exist). In case of receiving the input completion signal indicating, only 'school' and 'schook' having 6 spellings among the above-described candidate words may be displayed and displayed through a popup window.
Herein, the
The input completion signal is a 'period' for selecting a space or a space, a space command key, or any other command key or sentence that is selected for inputting the next word after completion of a word corresponding to school. It may be a signal generated by an operation such as a 'comma' button or the like, and all of them are command keys indicating completion of word input.
On the other hand, the
In the conventional case as shown in FIG. 1, only a key corresponding to a touched point is recognized to cause a frequent typo when a touch is missed or incorrectly touched, and thus, a character input procedure may be difficult. Even if such a touch error occurs, it is possible to select the target word correctly by presenting various candidate words.
On the other hand, the
In addition, the
On the other hand, when the number of the candidate words retrieved at the Nth touch is 0, the
Here, the
On the other hand, the candidate
For example, in the case of words corresponding to 3 or fewer touches such as an, to, in, out, etc., only the reference key buttons ('a' and 'n' buttons when touching an 'an') recognize 'an' The words 'to', 'in' and 'out' can be provided as is.
In other words, when you want to enter the indefinite article 'an', touch 'a' to recognize nearby q, w, s, z, and x, and 'b', 'g' ',' h ',' j ',' m 'can be recognized simultaneously. However, in the case where all candidate words composed of simultaneously recognized neighboring letters are displayed, it is very cumbersome and inefficient to select a desired word among the displayed candidate words despite being a simple letter such as an. It is desirable to efficiently configure so that only 'a' and 'n' are recognized so as to reduce the character input procedure and save time.
Therefore, in the above case, it is preferable to recognize only the touched reference key button to be provided as a character. Here, for convenience of explanation, the spelling is limited to three or less, but it is merely an example, and the reference number may be variously changed according to a user environment setting.
Meanwhile, when the candidate word does not exist, the
Hereinafter, a character input method according to the present invention will be described with reference to FIGS. 2 to 6.
First, as shown in FIG. 2 or FIG. 3, the key
Of course, before the key button recognition step (S120), as shown in FIG. 4, a setting regarding the size adjustment of the
After the key button recognition step (S120), the candidate
Next, when the Nth touch is made, the N or more spelling words are selected to allow a user to select a desired word among the candidate words having N or N spellings that are searched for when the Nth touch is recognized. The
Of course, in addition to this method, when receiving the input completion signal indicating the completion of the word input after the N-th touch through the
Here, as described above, in the candidate word display step (S140), when the number of the candidate words found at the Nth touch is 1 and the input completion signal is received after the Nth touch, the word by the user The candidate words may be automatically displayed and provided without selecting.
In addition, the candidate word display step (S140), when the number of the candidate word retrieved at the N-th touch is 0, it is possible to display in real time that the number of the candidate word is 0 for each N-th touch.
Of course, the present invention may further include a candidate word adding step of receiving a new candidate word not stored in the
On the other hand, the adoption of the touch screen in the mobile terminal is expected to gradually expand in accordance with the trend to provide a wider screen within the limited size of the mobile terminal, if the fuzzy touch character input method according to the present invention, Significantly improve the efficiency of interactive tasks such as posting, texting, and the like, thereby increasing the competitiveness of portable terminals.
In addition, it can be embedded in a mobile terminal through simple programming rather than requiring a complicated algorithm, and the fuzzy touch scheme is designed to operate in the same manner as the conventional scheme through proper adjustment (when setting the radius of the concentric region to 0). It can be used selectively according to the user's preference, and therefore it is judged that the industrial applicability is very high.
As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.
1 is an exemplary view illustrating recognition of a conventional touch screen.
2 is a configuration diagram of a character input system using a fuzzy touch of a device to which a virtual keyboard is applied according to an embodiment of the present invention;
3 is an exemplary diagram of key button recognition using the system of FIG. 2;
4 is an exemplary diagram illustrating various sizes of a constant distance scale of FIG. 3;
5 is a view showing an embodiment of character input using the system of FIG.
6 is a flowchart illustrating a text input method using the system of FIG. 2.
10 ...
100 ... Character Input System Using Fuzzy Touch of Device with Virtual Keyboard
110 ... key
130 ...
150 ... DB part
Claims (20)
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KR1020070116258A KR20090049903A (en) | 2007-11-14 | 2007-11-14 | Phrase input system and method using fuzzy touch of device applying virtual keyboard |
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KR1020070116258A KR20090049903A (en) | 2007-11-14 | 2007-11-14 | Phrase input system and method using fuzzy touch of device applying virtual keyboard |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014185624A1 (en) * | 2013-05-16 | 2014-11-20 | 주식회사 네오패드 | Text input device and text input method |
KR102034390B1 (en) * | 2018-08-23 | 2019-10-18 | 최운영 | System for tracing log of data based on information transferred to display |
KR20200080354A (en) * | 2018-12-14 | 2020-07-07 | 현대자동차주식회사 | Terminal device, Vehicle and method for controlling the terminal device |
-
2007
- 2007-11-14 KR KR1020070116258A patent/KR20090049903A/en not_active Application Discontinuation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014185624A1 (en) * | 2013-05-16 | 2014-11-20 | 주식회사 네오패드 | Text input device and text input method |
US10268370B2 (en) | 2013-05-16 | 2019-04-23 | Neopad, Inc. | Character input device and character input method with a plurality of keypads |
KR102034390B1 (en) * | 2018-08-23 | 2019-10-18 | 최운영 | System for tracing log of data based on information transferred to display |
KR20200080354A (en) * | 2018-12-14 | 2020-07-07 | 현대자동차주식회사 | Terminal device, Vehicle and method for controlling the terminal device |
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