CN103176731A - Method and device for determining ending of handwriting input - Google Patents
Method and device for determining ending of handwriting input Download PDFInfo
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- CN103176731A CN103176731A CN2011104423730A CN201110442373A CN103176731A CN 103176731 A CN103176731 A CN 103176731A CN 2011104423730 A CN2011104423730 A CN 2011104423730A CN 201110442373 A CN201110442373 A CN 201110442373A CN 103176731 A CN103176731 A CN 103176731A
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Abstract
The invention discloses a method for determining ending of handwriting input and is applied to electronic equipment which is provided with a touch screen. An input main body is utilized by the user so that the handwriting input can be carried out on the surface of the touch screen, and a fixed point on the input main body is a first point. The method for determining the ending of the handwriting input comprises the following steps: obtaining the distance from the first point to a second point on the surface of the touch screen; and judging whether the distance is larger than a set value, determining that the input is finished if the distance is larger than the set value and executing the first step if the distance is not larger than the set value, and otherwise, a first instruction is carried out. The method for determining the ending of the handwriting input has the advantages of being capable of avoiding error output caused by the fact that the time interval between two strokes exceeds the time threshold and reducing the error rate of output words of the touch screen. The invention further discloses a device for determining the ending of the handwriting input.
Description
Technical field
The present invention relates to the writing technology field, particularly relate to method and device that a kind of definite handwriting input finishes.
Background technology
Constantly perfect along with the mobile message instrumental function, increasing smart mobile phone, palm PC can be supported the function of handwriting input.Handwriting input can make the user carry out the input of word according to input mode the most natural, most convenient.
The user writes on the electronic equipments such as handwriting pad and touch-screen, the stroke of writing is stored by electronic equipment with the form of coordinate sequence, electronic equipment is by to the lifting pen, start to write of character image, the information such as locus of each pixel are processed and contrasted on person's handwriting, data are converted into the literal code that computing machine uses to be exported, before output character, electronic equipment need to first judge, judges whether end of input of user.
Judgment mode commonly used is: electronic equipment is set a time threshold, and during user's input characters, if the input two-stroke time interval surpasses this time threshold, electronic equipment judges user's end of input, shows the word of the current input of user.
For example the user will input " Shen " word, and when the user write last stroke " Shu ", if the dead time surpasses preset value, electronic equipment judged user's end of input, touch-screen output this moment " day " word.
The mode that this kind judgement handwriting input finishes can increase the error rate of touch-screen output character.
Summary of the invention
In view of this, the invention provides method and device that a kind of definite handwriting input finishes, to reduce the error rate of touch-screen output character.
A kind of method that definite handwriting input finishes is applied to have the electronic equipment of touch-screen, and the user uses the input main body to carry out handwriting input on the surface of described touch-screen, and on described input main body, a point of fixity is the first point, comprising:
Obtain the distance between second point on described and described touch screen surface at first;
Whether judge described distance greater than setting value, if so, determine end of input, otherwise, the first instruction carried out.
Preferably, in the method that above-mentioned definite handwriting input finishes, describedly obtain the distance between second point on described and described touch screen surface at first, comprising:
S1: the position coordinates that obtains described second point;
S2: obtain the position coordinates of described first;
S3: calculate distance between described and described second point at first according to the position coordinates of the position coordinates of described first and described second point.
Preferably, in the method that above-mentioned definite handwriting input finishes, described second point is any point of fixity of described touch screen surface.
Preferably, in the method that above-mentioned definite handwriting input finishes, described second point is the central point of described touch screen surface.
Preferably, in the method that above-mentioned definite handwriting input finishes, described second point is after described input main body breaks away from described touch screen surface, described first vertical point in described touch screen surface.
Preferably, in the method that above-mentioned definite handwriting input finishes, the point when described second point is the described touch screen surface of described input main body disengaging.
Preferably, in the method that above-mentioned definite handwriting input finishes, it is characterized in that, described execution the first instruction is: return to step S2.
Preferably, in the method that above-mentioned definite handwriting input finishes, described execution the first instruction is: return to step S1.
The device that a kind of definite handwriting input finishes is applied to have the electronic equipment of touch-screen, and the user uses the input main body to carry out handwriting input on the surface of described touch-screen, and on described input main body, a point of fixity is the first point, and this device comprises:
The first acquiring unit is used for obtaining the distance between second point on described and described touch screen surface at first;
Judging unit is used for whether judging described distance greater than setting value, if so, determines end of input, otherwise, carry out the first instruction.
Preferably, in the device that above-mentioned definite handwriting input finishes, described the first acquiring unit comprises:
The second acquisition module is used for obtaining the position coordinates of described first;
The 3rd acquisition module is for the position coordinates that obtains described second point;
Computing module is used for position coordinates according to the position coordinates of described first and described second point and calculates distance between described and described second point at first.
Through finding after research, after user's handwriting input finishes, finger generally can leave touch-screen automatically, therefore, the embodiment of this programme determines by the distance between finger and touch-screen whether input finishes, when surpassing preset value, the distance between finger and touch-screen determines end of input, two-stroke time interval overtime threshold value when the method can be avoided user's handwriting input and the situation of the mistake output that causes, and then reduced the error rate of touch-screen output character.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet that the disclosed a kind of definite handwriting input of the embodiment of the present invention finishes;
Fig. 2 is the first pass schematic diagram that the disclosed a kind of definite handwriting input of the embodiment of the present invention finishes;
Fig. 3 is the second schematic flow sheet that the disclosed a kind of definite handwriting input of the embodiment of the present invention finishes;
Fig. 4 is the 3rd schematic flow sheet that the disclosed a kind of definite handwriting input of the embodiment of the present invention finishes;
Fig. 5 is the apparatus structure schematic diagram that the disclosed a kind of definite handwriting input of the embodiment of the present invention finishes.
Embodiment
In order to make those skilled in the art person understand better technical scheme in the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills should belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
In order to reduce the error rate of touch-screen output character, a kind of method that the embodiment of the present invention provides definite handwriting input to finish as shown in Figure 1, comprising:
S101: obtain the distance between the second point on input on main body first and touch screen surface;
S102: whether judge described distance greater than setting value, if so, determine end of input, otherwise, carry out the first instruction.
The user uses the input main body to carry out handwriting input on the surface of touch-screen, is more to carry out the operation of handwriting input with finger.For example the user inputs Chinese character on touch-screen, in prior art be according to the time interval of input between two-stroke whether the mode of overtime threshold value judge whether input finishes, and in actual applications, the phenomenon that might occur " forgetting what to write when actually writing " when the user inputs Chinese character, when next stroke of inputting Chinese character as the user surpasses certain hour, electronic equipment judges end of input, therefore can demonstrate wrong Chinese character.
Through finding after scrutinizing, after user's handwriting input finishes, finger generally can leave touch-screen automatically, therefore, the embodiment of this programme judges by the distance between finger and touch-screen whether input finishes, when surpassing preset value, the distance between finger and touch-screen determines end of input, two-stroke time interval overtime threshold value when the method can be avoided user's handwriting input and the situation of the mistake output that causes, and then reduced the error rate of touch-screen output character.
Be understandable that, scheme provided by the present invention goes for the electronic equipment that mobile phone, IPAD, notebook etc. possess the handwriting input touch-screen.The user uses the input main body to carry out handwriting input on the surface of touch-screen.The input main body can be stylus, finger, perhaps other any equipment for the touch-screen input.On the input main body, a point of fixity is the first point, and for example the user uses stylus to carry out handwriting input on touch-screen, nib can be decided to be the first point.What choose arbitrarily on touch-screen is some second point.The second point of for example choosing on mobile phone can be any point of fixity on touch-screen, because mobile phone has touch-screen than small dimension, even second point is a point of fixity, obtain between first and second point apart from the time can not produce larger error yet.
In actual applications, choosing of second point can be according to the touch-screen size of distinct electronic apparatuses and shape and different, the position that those skilled in the art can determine second point on touch-screen according to shape and the size of touch-screen reality.The below take second point as touch-screen on a fixing point be example specific description implementation procedure of the present invention, concrete second point is the central point of touch-screen, is understandable that, second point is not limited to the center of touch-screen when being point of fixity.
Embodiment one
See also Fig. 2, be the first pass schematic diagram of the disclosed a kind of definite handwriting input ending method of the embodiment of the present invention, the method can comprise:
Step S201: the central point of choosing on touch-screen is second point.
Step S202: the position coordinates that obtains described second point.
Step S203: obtain the position coordinates of first on the input main body.
Step S204: calculate distance described first and described second point between according to the position coordinates of the described second point that obtains and position coordinates at described first.
When specific implementation, can sensor installation on touch-screen detect the position of described and second point at first, and obtain the position coordinates of and second point at first, for example, the position coordinates that obtains at first is (X
11, Y
11, Z
11), the position coordinates of second point is (X
12, Y
12, 0), electronic equipment calculates distance L between second point on the input main body first and touch screen surface by the location coordinate information that obtains and second point at first
1, this technology is familiar with for a person skilled in the art, does not do at this and gives unnecessary details.
Step S205: whether judge described distance greater than the first setting value, if so, determine end of input, otherwise, return to step S203.
The distance that electronic equipment with touch-screen gets between second point on the input main body first and touch screen surface is L
1, judging distance L
1Whether greater than setting value, if so, determine end of input, touch-screen shows the content of user's handwriting input.If not, return to step S203, continue to obtain the position coordinates of first on the input main body, carry out successively afterwards step S204, step S205, until distance L greater than the first setting value, is determined process ends of end of input.
Embodiment two
See also Fig. 3, be the second schematic flow sheet of the disclosed a kind of definite handwriting input ending method of the embodiment of the present invention.
The method can comprise:
Step S301: after choosing input main body disengaging touch-screen, first vertical point in touch screen surface is second point.
Step S302: the position coordinates that obtains described second point.
Step S303: obtain the position coordinates of first on the input main body.
Step S304: calculate distance described first and described second point between according to the position coordinates of the described second point that obtains and position coordinates at described first.
In the present embodiment, second point is after the input main body is left touch-screen, first vertical point in touch screen surface.Be understandable that, for example, the position coordinates that obtains at first is (X
21, Y
21, Z
21), the position coordinates of second point is (X
22, Y
22, 0), electronic equipment calculates distance L between second point on the input main body first and touch screen surface by the location coordinate information that obtains and second point at first
2, due to X
21=X
22, Y
21=Y
22So, L
2Be Z
21Value.Be not limited to this for obtaining the position coordinates of 2 and the technology of calculating distance between two points, this technology is familiar with for a person skilled in the art, does not do at this and gives unnecessary details.
Step S305: whether judge described distance greater than the second setting value, if so, determine end of input, otherwise, return to step S302.
In other embodiments, the execution sequence of step S301～step S303 can also for: carry out successively step S301, step S303, step S302, if undertaken by above-mentioned steps, this moment, step S306 was: judge that whether described distance is greater than setting value, if, determine end of input, otherwise, step S303 returned to.The implementation process of all the other steps is similar, does not do at this and gives unnecessary details.
Embodiment three
See also Fig. 4, be the 3rd schematic flow sheet of the disclosed a kind of definite handwriting input ending method of the embodiment of the present invention.
In the present embodiment, consider that different touch-screens has different operating positions, panel computer for example, it has the touch-screen of larger specification, when the user carries out handwriting input on panel computer, can write in the optional position of touch-screen according to personal habits, on touch-screen, a point of fixity as second point, can produce larger error, therefore if choose this moment, in the present embodiment, choose that on the input main body, first point when leaving touch-screen is second point.
Step S401: the point when choosing the described touch-screen of described input main body disengaging is second point.
Step S402: the position coordinates that obtains described second point.
Step S403: obtain the position coordinates of first on the input main body.
Step S404: calculate distance described first and described second point between according to the position coordinates of the described second point that obtains and position coordinates at described first.
Point when the present embodiment is chosen input main body disengaging touch-screen is second point.Be understandable that, touch-screen is up and down two layers of conductive material, intermediate isolating at ordinary times, when having object to click touch-screen, directions X adds certain voltage, and Y-direction is got magnitude of voltage, otherwise then, obtain the X of this point, the voltage of Y-direction, then can be converted into the position of this point.Same, when the input main body breaks away from touch-screen, the voltage of the point when electronic equipment can record input main body disengaging touch-screen, and be converted into the position of this point with this, and then obtain the position coordinates of second point.
Step S305: whether judge described distance greater than the 3rd setting value, if so, determine end of input, otherwise, return to step S302.
Further, obtaining the position coordinates of first in the first embodiment is (X
11, Y
11, Z
11), the position coordinates of second point is (X
12, Y
12, 0), electronic equipment not only can obtain to input the distance L between second point on main body first and touch screen surface
1Value, can also the coordinate by 2 obtain first vertical range L with touch-screen
3, vertical range L
3Be Z
11Value, also i.e. L in the second embodiment
2First of the representative vertical range with touch-screen.
From the above, electronic equipment can obtain two distance values in the first embodiment, is respectively L
1With L
3, when carrying out step S205, two kinds of setting values are just arranged, be respectively the second setting value in the first setting value and embodiment two, therefore during whether greater than setting value, can judge L at judging distance
1Whether greater than the first setting value, if so, determine end of input, otherwise, step S203 returned to; Can also judge L
3Whether greater than the second setting value, if so, determine end of input, otherwise, step S203 returned to; Can also judge L
1Whether greater than the first setting value L simultaneously
3Whether greater than the second setting value, if so, determine end of input, otherwise, step S203 returned to.
The second point of choosing that said process is equally applicable in embodiment two is that after the input main body is left touch-screen, first situation at the vertical point of touch screen surface do not done at this and given unnecessary details.
Embodiment four
Corresponding to top embodiment of the method, the device that the present invention also provides a kind of definite handwriting input to finish, be applied to have the electronic equipment of touch-screen, the user uses the input main body to carry out handwriting input on the surface of described touch-screen, on described input main body, a point of fixity is the first point, as shown in Figure 5, can comprise:
The first acquiring unit U1 is used for obtaining the distance between the second point on described and described touch screen surface at first;
Judging unit U2 is used for whether judging described distance greater than setting value, if so, determines end of input, otherwise, carry out the first instruction.
The user needs the content of typing having on the electronic equipment of touch-screen input, the user uses the input main body to carry out handwriting input on the surface of touch-screen, on the input main body, a point of fixity is the first point, touch screen surface has second point, the first acquiring unit U1 obtains the distance between described and described second point at first, whether judging unit U2 judges described distance greater than setting value, if so, determines end of input.Two-stroke time interval overtime threshold value when this device is avoided user's handwriting input and the situation of the mistake that causes output have reduced the error rate of touch-screen output character.
In other embodiments of the invention, the first acquiring unit U1 can comprise:
The second acquisition module is used for obtaining the position coordinates of described first;
The 3rd acquisition module is for the position coordinates that obtains described second point;
Computing unit is used for position coordinates according to the position coordinates of the described second point that obtains and at described first and calculates distance between described and described second point at first.
Description by above embodiment of the method, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but in a lot of situation, the former is better embodiment.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out all or part of step of the described method of each embodiment of the present invention.And aforesaid storage medium comprises: the various media that can be program code stored such as ROM (read-only memory) (ROM), random access memory (RAM), magnetic disc or CD.
For device embodiment, due to it substantially corresponding to embodiment of the method, so relevant part gets final product referring to the part explanation of embodiment of the method.Device embodiment described above is only schematic, wherein said unit as the separating component explanation can or can not be also physically to separate, the parts that show as the unit can be or can not be also physical locations, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of module to realize the purpose of the present embodiment scheme.Those of ordinary skills namely can understand and implement in the situation that do not pay creative work.
In several embodiment provided by the present invention, should be understood that disclosed apparatus and method not surpassing in the application's spirit and scope, can realize in other way.Current embodiment is a kind of exemplary example, should be as restriction, and given particular content should in no way limit the application's purpose.For example, the division of described unit or subelement is only that a kind of logic function is divided, and during actual the realization, other dividing mode can be arranged, and for example a plurality of unit or a plurality of subelement combine.In addition, a plurality of unit can or assembly can in conjunction with or can be integrated into another device, or some features can ignore, or do not carry out.
In addition, the schematic diagram of institute's tracing device and method and different embodiment in the scope that does not exceed the application, can install with other, module, technology or method combination or integrated.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The above is only the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. method that definite handwriting input finishes is applied to have the electronic equipment of touch-screen, and the user uses the input main body to carry out handwriting input on the surface of described touch-screen, it is characterized in that, on described input main body, a point of fixity is the first point, comprising:
Obtain the distance between the second point of described and described touch screen surface at first;
Whether judge described distance greater than setting value, if so, determine end of input, otherwise, the first instruction carried out.
2. method according to claim 1, is characterized in that, the distance between the described second point that obtains on described first and described touch screen surface comprises:
S1: the position coordinates that obtains described second point;
S2: obtain the position coordinates of described first;
S3: calculate distance between described and described second point at first according to the position coordinates of the position coordinates of described first and described second point.
3. method according to claim 2, is characterized in that, described second point is any point of fixity of described touch screen surface.
4. method according to claim 3, is characterized in that, described second point is the central point of described touch screen surface.
5. method according to claim 2, is characterized in that, described second point is after described input main body breaks away from described touch screen surface, described first vertical point in described touch screen surface.
6. method according to claim 2, is characterized in that, the point when described second point is the described touch screen surface of described input main body disengaging.
7. according to claim 3 or 4 or 6 described methods, is characterized in that, described execution the first instruction is: return to step S2.
8. method according to claim 5, is characterized in that, described execution the first instruction is: return to step S1.
9. device that definite handwriting input finishes is applied to have the electronic equipment of touch-screen, and the user uses the input main body to carry out handwriting input on the surface of described touch-screen, it is characterized in that, on described input main body, a point of fixity is the first point, and this device comprises:
The first acquiring unit is used for obtaining the distance between the second point on described and described touch screen surface at first;
Judging unit is used for whether judging described distance greater than setting value, if so, determines end of input, otherwise, carry out the first instruction.
10. device according to claim 9, is characterized in that, described the first acquiring unit comprises:
The second acquisition module is used for obtaining the position coordinates of described first;
The 3rd acquisition module is for the position coordinates that obtains described second point;
Computing module is used for position coordinates according to the position coordinates of described first and described second point and calculates distance between described and described second point at first.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104423730A CN103176731A (en) | 2011-12-26 | 2011-12-26 | Method and device for determining ending of handwriting input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104423730A CN103176731A (en) | 2011-12-26 | 2011-12-26 | Method and device for determining ending of handwriting input |
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|---|---|
| CN103176731A true CN103176731A (en) | 2013-06-26 |
Family
ID=48636649
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|---|---|---|---|
| CN2011104423730A Pending CN103176731A (en) | 2011-12-26 | 2011-12-26 | Method and device for determining ending of handwriting input |
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| CN105760099A (en) * | 2016-02-01 | 2016-07-13 | 深圳市金立通信设备有限公司 | Method and terminal for recording information |
| CN111045529A (en) * | 2019-12-13 | 2020-04-21 | 金蝶智慧科技(深圳)有限公司 | Data input method, system and related equipment |
| CN115048710A (en) * | 2022-08-15 | 2022-09-13 | 中建八局发展建设有限公司 | Holographic visualization model construction and interaction system and method based on BIM technology |
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| CN115048710A (en) * | 2022-08-15 | 2022-09-13 | 中建八局发展建设有限公司 | Holographic visualization model construction and interaction system and method based on BIM technology |
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Application publication date: 20130626 |
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