CN101923439A - Method for processing handwriting and device thereof - Google Patents
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- CN101923439A CN101923439A CN2010102863553A CN201010286355A CN101923439A CN 101923439 A CN101923439 A CN 101923439A CN 2010102863553 A CN2010102863553 A CN 2010102863553A CN 201010286355 A CN201010286355 A CN 201010286355A CN 101923439 A CN101923439 A CN 101923439A
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Abstract
The embodiment of the invention discloses a method for processing handwriting and a device thereof, relating to the technical field of information display, and the method and the device are invented for improving user experience during reading. The method comprises the following steps: extracting handwriting inputted by a user; determining the incoherent part of the amplified handwriting; smoothing the incoherent part; and displaying the smoothed handwriting. The embodiment of the invention can be mainly applied to electric readers, mobile phones and other display equipment with user handwriting input supported function.
Description
Technical field
The present invention relates to the information display technology field, relate in particular to a kind of disposal route and device of handwriting.
Background technology
Along with the development of technology, present electronic reader more and more is tending towards personalization and hommization.The user can adjust the size of the shown reading literal of electronic reader as required, also can be arbitrarily operation such as annotates and comments at read interface.
But the inventor finds that on present electronic reader, user's handwriting has incoherent phenomenon when amplifying demonstration, thereby has influenced the experience of user when reading.
Summary of the invention
The embodiment of the invention provides a kind of disposal route and device of handwriting, to improve the experience of user when reading.
The embodiment of the invention adopts following technical scheme:
A kind of disposal route of handwriting comprises:
Extract the handwriting of user's input;
Determine to amplify incoherent part on the described handwriting after showing;
Described incoherent part is carried out smoothing processing;
The handwriting of demonstration after smoothing processing.
A kind for the treatment of apparatus of handwriting comprises:
The person's handwriting extraction unit is used to extract the handwriting of user's input;
Detecting unit is used for incoherent part on definite described handwriting that amplifies after showing;
Processing unit is used for described incoherent part is carried out smoothing processing;
Display unit is used to show the handwriting after smoothing processing.
The disposal route of embodiment of the invention handwriting and device, at first extract the handwriting of user's input, then after described handwriting is amplified demonstration, incoherent part and discontinuous part carried out smoothing processing on the described handwriting after determine to amplify showing shows the handwriting after smoothing processing at last again.Owing to amplify to show that the back carried out smoothing processing to the discontinuous part of handwriting, therefore the handwriting after amplifying with compare without the handwriting of smoothing processing more link up, smooth, thereby improved the experience of user when reading.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done an introduction simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the process flow diagram of the disposal route of embodiment of the invention handwriting;
Fig. 2 is first synoptic diagram of embodiment of the invention handwriting;
Fig. 3 is second synoptic diagram of embodiment of the invention handwriting;
Fig. 4 is for amplifying the line synoptic diagram between the discrete point after showing;
Fig. 5 is the synoptic diagram of the treating apparatus of embodiment of the invention handwriting;
Fig. 6 is the synoptic diagram of Device Testing shown in Figure 5 unit;
Fig. 7 is the synoptic diagram of the processing unit of device shown in Figure 5.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
In embodiments of the present invention, in order to improve the experience of user when reading, at first extract the handwriting of user's input, then this handwriting is amplified and show, determine to amplify incoherent part on the described handwriting after showing, after described incoherent part carried out smoothing processing, show the handwriting after smoothing processing.
By above process as can be seen, owing to after amplifying demonstration, the discontinuous part of handwriting has been carried out smoothing processing, therefore the handwriting after the amplification that shows with compare without the handwriting of smoothing processing more link up, smooth, thereby improved the experience of user when reading.
Wherein, the method for the embodiment of the invention can be applied in electronic reader, mobile phone, or other are supported in the display device of hand-write input function.
Below, be example with the electronic reader, describe the implementation procedure of the disposal route of embodiment of the invention handwriting in detail in conjunction with Fig. 1, comprising:
The handwriting of step 11, extraction user input.
In the process of the handwriting that extracts user's input, with the user start writing start writing the path of process be the handwriting that a unit extracts user's input.As shown in Figure 2,1-2 is the handwriting of user's input, and wherein 1 is the place of starting writing, and 2 are the place of starting writing.
In the handwriting of user's input of extracting, according to the speed and the length of user's input, the handwriting of described user's input can be regarded as by a plurality of discrete points and form, and as shown in Figure 3, this section of 1-7 handwriting can be regarded as by putting 1,2,3 ... 7 form.Wherein, can constitute a line segment between arbitrarily adjacent two discrete points.Therefore, the handwriting of user input can be regarded as by some line segments and constitute, and every line segment all can have certain angle of inclination with respect to the horizontal direction (for example coordinate system shown in Fig. 3) of certain coordinate system that sets in advance.
Therefore, in this step, at first need definite a plurality of discrete points of forming the handwriting of described user's input.For example, can utilize mouseMoveEvent(mouse moving event) interface obtains these discrete points.In a plurality of discrete points, selected first discrete point, second discrete point, the 3rd discrete point, second angle of the line of first angle, described first discrete point and the 3rd discrete point of the horizontal direction of first discrete point in definite respectively then described a plurality of discrete points and the line of second discrete point and preset coordinate system and the horizontal direction of preset coordinate system.Wherein, these three discrete points can be three adjacent discrete points, also can not be three adjacent discrete points.Because the line between the adjacent discrete point best embodies the track of handwriting, therefore when these three discrete points are adjacent three discrete points, can be better to the smoothing processing effect of amplifying the handwriting after showing.And first discrete point, second discrete point, the 3rd discrete point are relative notions, and any one discrete point in promptly a plurality of discrete points can be first discrete point, second discrete point or the 3rd discrete point.
For example among Fig. 3, can regard point 2 as second discrete point, point 3 is regarded first discrete point as, and point 4 is regarded the 3rd discrete point as.Need to prove, for point 1, owing to be to start writing a little, be the second or the 3rd discrete point so it can only be used as; For point 7,, be the second or the 3rd discrete point so it can only be used as owing to be to start writing a little.
When the absolute value of the difference of described first angle and second angle during greater than preset value, the handwriting trace direction of the handwriting after will showing along described amplification, the barbed portion in the outside of the line that is intermediate connection point with described first discrete point, is connected to form by first discrete point, second discrete point, the 3rd discrete point are defined as incoherent part.
With the point among Fig. 33 is first discrete point, and point 2 is second discrete point, and point 4 is that the 3rd discrete point is an example, the handwriting trace direction of the handwriting direction of a 1-2-3-4-5-6-7 of serving as reasons among Fig. 3.The angle of the horizontal direction of the coordinate system of setting among the line of postulated point 2,3 and Fig. 3 is
, the angle of the horizontal direction of the coordinate system of setting among the line of point 3,4 and Fig. 3 is
, work as so
With
The absolute value of difference during greater than preset value, can think incoherent phenomenon to have occurred at point 3 places.This incoherent part is according to the handwriting trace direction of amplifying the handwriting after showing, is the outside barbed portion of the formed line of line of intermediate connection point, point 2,3,4 to put 3.
As shown in Figure 4, after amplify showing, point 2,3, the line of point 3,4 has certain width, and we are called this width the width that amplifies the handwriting after showing.Therefore, when
With
Not simultaneously, at point 3 places phenomenon will inevitably not appear bending.So, when satisfying at point 3 places
With
The absolute value of difference the time greater than this condition of preset value, we think that a little 3 places need carry out smoothing processing.We are defined as incoherent part with it the barbed portion in the bending outside that occurs at point 3 places.As shown in Figure 4, because point 2,3, point 3,4 line has had certain width, and this incoherent part is the line by point 3, point 2 ', and the line of point 3, point 4 ' is determined, among the figure with the zone of P indication.Its mid point 2 ' is called first outer point that this barbed portion is discontinuous part, and point 4 ' is called second outer point that this barbed portion is discontinuous part.
Wherein, above-mentioned preset value can be provided with arbitrarily according to the fine or not of display effect that user's needs obtain.During handwriting broad after amplify showing, it is more less relatively that this preset value can be provided with, and when amplifying handwriting after showing carefully the time, it is more relatively large that this preset value can be provided with.For example, when the width that amplifies the handwriting after showing was 10 pixels, this preset value can be set to less than 10.
When incoherent part is carried out smoothing processing, in conjunction with the example of Fig. 4, be the center of circle at this incoherent part utilisation point 3, the width that amplifies the handwriting after showing is that radius forms a fill area.Because this incoherent part is that the line of point 3, point 4 ' is determined by point 3, point 2 ' line,, the line of point 3, point 4 ', put 2 ', 4 ' the sector region that camber line defined so this fill area should be the line by point 3, point 2 '.
Then, (dotted line among Fig. 4) determines the insertion point on the circular arc between point 2 ', 4 '.
In this process, at first need to determine the number of insertion point.In embodiments of the present invention, the mode of the number of the definite insertion point that need insert is:
, i is an integer, expression needs the number of the insertion point of insertion,
Be first angle,
Be second angle, n represents the preset reference angle.The absolute value of supposing the difference of two angles is 50 °, and n is 10 °, so i=5.Also promptly, on the circular arc between the point 2 ', 4 ', need to insert 5 insertion points.Then, be that initial point forms a coordinate system to put 3, and calculate the coordinate of each insertion point under this coordinate system.In embodiments of the present invention, the insertion point is being that horizontal ordinate in the coordinate system set up of initial point is to put 3:
, ordinate is:
, wherein w represents to amplify the width of the handwriting after the demonstration,
Represent the line of i insertion point and described first discrete point and the angle that with described first discrete point is the coordinate system X-direction of initial point foundation, j=0 ..i.The coordinate of postulated point 3 in the electronic reader actual coordinates be (
), each insertion point at the coordinate in the described frame of reference is so: (
).Then,, on the circular arc of point between 2 ', 4 ', insert each insertion point according to the coordinate of each insertion point in the frame of reference, and will put 2 ', each insertion point, point 4 ' line successively.As previously mentioned, in point 2 ', each insertion point, the point 4 ' line that forms successively, because the angle of inclination difference of each line absolute presupposition coordinate system, so these lines will form a polygon.Therefore, can utilize this polygon to fill described incoherent part.Wherein said reference coordinate is the coordinate system that electronic reader itself is provided with.
Rule of thumb can draw, the insertion point number of inserting on the circular arc of putting between 2 ', 4 ' is many more, also be the more little words of the value setting of n, the polygonal shape that draws approaches the shape of incoherent part more, therefore, the smoothing processing effect that draws is good more, and user's reading experience also can be good more.
In the handwriting that shows after smoothing processing, for the discrete point on the former handwritings such as point 2,3,4, can be according to amplifying the multiple that shows, obtain the new coordinate of described discrete point in the electronic reader actual coordinates, and according to described new coordinate adjacent discrete is put line and is shown described line, wherein between the adjacent discrete point width of line for amplifying the width that shows the back handwriting.And for described incoherent part, then be to show the person's handwriting that utilizes after described polygon is filled.
In actual process, result to the smoothing processing of handwriting can be formed data stream and storage, wherein first byte of data stream is 0XFF, and second byte is enlargement factor, being the data of the discrete point on the handwriting then, is the data of insertion point then.
By above description as can be seen, in embodiments of the present invention, at first extract the handwriting of user's input, then after described formality person's handwriting is amplified demonstration, incoherent part and discontinuous part carried out smoothing processing on the described handwriting after determine to amplify showing shows the handwriting after smoothing processing at last again.Owing to amplify to show that the back carried out smoothing processing to the discontinuous part of handwriting, therefore on the handwriting after the amplification that shows with compare without the handwriting of smoothing processing more link up, smooth, thereby improved the experience of user when reading.
As shown in Figure 5, the embodiment of the invention also provides a kind for the treatment of apparatus of handwriting, comprising: person's handwriting extraction unit 51 is used to extract the handwriting of user's input; Detecting unit 52 is used for incoherent part on definite described handwriting that amplifies after showing; Processing unit 53 is used for described incoherent part is carried out smoothing processing; Display unit 54 is used to show the handwriting after smoothing processing.
Wherein, as shown in Figure 6, described detecting unit 52 can comprise: discrete point determination module 521 is used for definite a plurality of discrete points of forming the handwriting of described user's input; Angle acquisition module 522 is used for determining respectively first discrete point of described a plurality of discrete points and line and the line of first angle of horizontal direction, described first discrete point and the 3rd discrete point and second angle of horizontal direction of second discrete point; Detection module 523, when being used for absolute value when the difference of described first angle and second angle greater than preset value, the handwriting trace direction of the handwriting after will showing along described amplification, the barbed portion in the outside of the line that is intermediate connection point with described first discrete point, is connected to form by first discrete point, second discrete point, the 3rd discrete point are defined as incoherent part.
Wherein, as shown in Figure 7, described processing unit 53 can comprise: fill area determination module 531, be used in described incoherent part, and be that the width of the handwriting after the center of circle, described amplification show is that radius forms the fill area with described first discrete point; Insertion point determination module 532 is used for the circular arc that is made of first outer point and second outer point of described barbed portion in described fill area, determines the insertion point; Packing module 533 is used to utilize described first discrete point, first outer point and second outer point and described insertion point to form polygon, and utilizes described polygon to fill the end points fill area.
In concrete the application, the insertion point determination module can comprise: the insertion point number is determined submodule, is used for the insertion point number of determining that needs insert; First calculating sub module is used for calculating respectively each insertion point at the coordinate that with described first discrete point is the coordinate system of initial point foundation; Second calculating sub module, be used for according to described each insertion point determining the coordinate of described each insertion point in the described frame of reference at the coordinate and the coordinate of described first discrete point in the frame of reference that with described first discrete point are the coordinate system set up of initial point.
Wherein, but the description among the principle of work reference method embodiment of described insertion point determination module.
Wherein, described display unit 54 specifically is used for: according to amplifying the multiple that shows, obtain the new coordinate of described discrete point in the electronic reader actual coordinates, and according to described new coordinate adjacent discrete is put line and shown described line, the width of wherein said line is for amplifying the width that shows the back handwriting; For described incoherent part, show the person's handwriting that utilizes after described polygon is filled.
The principle of work of the described device of the embodiment of the invention can be with reference to the description among the preceding method embodiment.
By above description as can be seen, the described device of the embodiment of the invention, owing to after amplifying demonstration, the discontinuous part of handwriting has been carried out smoothing processing, therefore the handwriting after the amplification that shows with compare without the handwriting of smoothing processing more link up, smooth, thereby improved the experience of user when reading.
Certainly the embodiment of the invention can not only be applied in the electronic reader, also can be applicable to mobile phone etc. and supports in the display device of user's hand-write input function.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (11)
1. the disposal route of a handwriting is characterized in that, comprising:
Extract the handwriting of user's input;
Determine to amplify incoherent part on the described handwriting after showing;
Described incoherent part is carried out smoothing processing;
The handwriting of demonstration after smoothing processing.
2. method according to claim 1 is characterized in that, incoherent part comprises on the described handwriting after described definite amplification shows:
Determine a plurality of discrete points of the handwriting of the described user's input of composition;
Second angle of the line of first angle, described first discrete point and the 3rd discrete point of the horizontal direction of first discrete point in definite respectively described a plurality of discrete points and the line of second discrete point and preset coordinate system and the horizontal direction of preset coordinate system;
When the absolute value of the difference of described first angle and second angle during greater than preset value, the handwriting trace direction of the handwriting after will showing along described amplification, the barbed portion in the outside of the line that is intermediate connection point with described first discrete point, is connected to form by first discrete point, second discrete point, the 3rd discrete point are defined as incoherent part.
3. method according to claim 2 is characterized in that, describedly described incoherent part is carried out smoothing processing comprises:
In described incoherent part, be that the width of the handwriting after the center of circle, described amplification show is that radius forms the fill area with described first discrete point;
On the circular arc that constitutes by first outer point and second outer point of described barbed portion in described fill area, determine the insertion point;
Utilize described first discrete point, first outer point and second outer point and described insertion point to form polygon, and utilize described polygon to fill described fill area.
4. method according to claim 3 is characterized in that, on the described circular arc that is made of first outer point and second outer point of described barbed portion in described fill area, determines that the insertion point comprises:
Need to determine the insertion point number of insertion;
Calculate the coordinate of each insertion point in the coordinate system that with described first discrete point is initial point foundation respectively;
According to coordinate and described first discrete point the coordinate in the frame of reference of described each insertion point in the coordinate system that with described first discrete point is initial point foundation, determine the coordinate of described each insertion point in the described frame of reference.
5. method according to claim 4 is characterized in that, the mode of the number of the described definite insertion point that need insert is:
The horizontal ordinate of described insertion point in the coordinate system that with described first discrete point is initial point foundation is:
, ordinate is:
Wherein, i is an integer, and expression needs the number of the insertion point of insertion,
Be first angle,
Be second angle, n represents the preset reference angle, and w represents to amplify the width of the handwriting after the demonstration,
Represent the line of i insertion point and described first discrete point and the angle that with described first discrete point is the coordinate system X-direction of initial point foundation, j=0 ..i;
The coordinate of described each insertion point in the described frame of reference is: (
), wherein (
) be the coordinate of described first discrete point in the described frame of reference.
6. according to the arbitrary described method of claim 2-5, it is characterized in that the handwriting of described demonstration after smoothing processing comprises:
According to amplifying the multiple that shows, obtain the new coordinate of described discrete point in the electronic reader actual coordinates, and adjacent discrete is put line and shown described line according to described new coordinate, the width of wherein said line is for amplifying the width that shows the back handwriting;
For described incoherent part, utilize the person's handwriting after described polygon is filled during demonstration.
7. the treating apparatus of handwriting in the electronic reader is characterized in that, comprising:
The person's handwriting extraction unit is used to extract the handwriting of user's input;
Detecting unit is used for incoherent part on definite described handwriting that amplifies after showing;
Processing unit is used for described incoherent part is carried out smoothing processing;
Display unit is used to show the handwriting after smoothing processing.
8. device according to claim 7 is characterized in that, described detecting unit comprises:
The discrete point determination module is used for definite a plurality of discrete points of forming the handwriting of described user's input;
The angle acquisition module is used for determining respectively first discrete point of described a plurality of discrete points and line and the line of first angle that preset coordinates is horizontal direction, described first discrete point and the 3rd discrete point and second angle that preset coordinates is horizontal direction of second discrete point;
Detection module, when being used for absolute value when the difference of described first angle and second angle greater than preset value, the handwriting trace direction of the handwriting after will showing along described amplification, the barbed portion in the outside of the line that is intermediate connection point with described first discrete point, is connected to form by first discrete point, second discrete point, the 3rd discrete point are defined as incoherent part.
9. device according to claim 8 is characterized in that, described processing unit comprises:
The fill area determination module is used in described incoherent part, is that the width of the handwriting after the center of circle, described amplification show is that radius forms the fill area with described first discrete point;
The insertion point determination module is used for the circular arc that is made of first outer point and second outer point of described barbed portion in described fill area, determines the insertion point;
Packing module is used to utilize described first discrete point, first outer point and second outer point and described insertion point to form polygon, and utilizes described polygon to fill the end points fill area.
10. device according to claim 9 is characterized in that, described insertion point determination module comprises:
The insertion point number is determined submodule, is used for the insertion point number of determining that needs insert;
First calculating sub module is used for calculating respectively each insertion point at the coordinate that with described first discrete point is the coordinate system of initial point foundation;
Second calculating sub module, be used for according to described each insertion point determining the coordinate of described each insertion point in the described frame of reference at the coordinate and the coordinate of described first discrete point in the frame of reference that with described first discrete point are the coordinate system set up of initial point.
11. according to the arbitrary described device of claim 7-10, it is characterized in that, described display unit specifically is used for: according to amplifying the multiple that shows, obtain the new coordinate of described discrete point in the electronic reader actual coordinates, and according to described new coordinate adjacent discrete is put line and shown described line, the width of wherein said line is for amplifying the width that shows the back handwriting; For described incoherent part, show the person's handwriting that utilizes after described polygon is filled.
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| CN104731492A (en) * | 2013-12-19 | 2015-06-24 | 鸿合科技有限公司 | Magic pen and display control method thereof |
| CN104731492B (en) * | 2013-12-19 | 2018-07-24 | 鸿合科技股份有限公司 | A kind of magic pen and its display control method |
| CN104932826A (en) * | 2015-06-26 | 2015-09-23 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN104932826B (en) * | 2015-06-26 | 2018-10-12 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
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| CN105183341A (en) * | 2015-08-07 | 2015-12-23 | 广州汽车集团股份有限公司 | Handwriting correcting method and system of touch screen |
| CN105183341B (en) * | 2015-08-07 | 2018-12-18 | 广州汽车集团股份有限公司 | The person's handwriting bearing calibration of touch screen and system |
| CN108628532A (en) * | 2018-04-28 | 2018-10-09 | 掌阅科技股份有限公司 | Method for drafting, computing device and the computer storage media of broken line person's handwriting |
| CN108597006A (en) * | 2018-04-28 | 2018-09-28 | 掌阅科技股份有限公司 | Method for drafting, computing device and the computer storage media of handwriting |
| CN113168254A (en) * | 2018-12-25 | 2021-07-23 | 深圳市柔宇科技股份有限公司 | Pen continuous method and display terminal |
| CN111078073A (en) * | 2019-12-17 | 2020-04-28 | 科大讯飞股份有限公司 | Handwriting amplification method and related device |
| CN111496798A (en) * | 2020-05-18 | 2020-08-07 | 北京配天技术有限公司 | Robot conveyor belt tracking method, equipment and storage device |
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