CN107481299A - A kind of written handwriting display methods and system, intelligent terminal and intelligent writing system - Google Patents
A kind of written handwriting display methods and system, intelligent terminal and intelligent writing system Download PDFInfo
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- CN107481299A CN107481299A CN201710499678.2A CN201710499678A CN107481299A CN 107481299 A CN107481299 A CN 107481299A CN 201710499678 A CN201710499678 A CN 201710499678A CN 107481299 A CN107481299 A CN 107481299A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/001—Texturing; Colouring; Generation of texture or colour
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention provides a kind of written handwriting display methods and system, intelligent terminal and intelligent writing system, including receives the person's handwriting coordinate information and pen point pressure information of each sampled point that dot matrix smart pen is sent in real time；The dot matrix smart pen is used to write on the medium for be provided with dot matrix, and sends the person's handwriting coordinate information and pen point pressure information of each sampled point point when writing in real time；According to the pen point pressure acquisition of information vigour of style in writing information received, and the person's handwriting for including vigour of style in writing information is obtained according to the fitting of the person's handwriting coordinate information and vigour of style in writing information of each sampled point；Real-time display includes the person's handwriting of vigour of style in writing information.Written handwriting display methods and system, the intelligent terminal and intelligent writing system of the present invention can be shown the content that dot matrix digital pen inputs in real time on intelligent terminal, and realize the height reduction of person's handwriting and the vigour of style in writing, and Consumer's Experience is good.
Description
Technical field
The present invention relates to the technical field of telecommunications, more particularly to a kind of written handwriting display methods and system, intelligence
Can terminal and intelligent writing system.
Background technology
With the rapid development of electronics technology, people become increasingly dependent on various electronic equipments, it is often necessary in electronic equipment
Upper handwritten input information.Due to electronic equipment display screen generally it is smaller, user thereon use finger input word, numeral,
The situation of identification mistake often occurs during the information such as symbol, causes that the efficiency of handwriting input is low, and Consumer's Experience is poor.
The content of the invention
In view of the above the shortcomings that prior art, it is an object of the invention to provide a kind of written handwriting display methods and
System, intelligent terminal and intelligent writing system, the content that dot matrix digital pen inputs can be shown in real time on intelligent terminal
Show, and realize the height reduction of person's handwriting and the vigour of style in writing, Consumer's Experience is good.
In order to achieve the above objects and other related objects, the present invention provides a kind of written handwriting display methods, including following
Step：Receive the person's handwriting coordinate information and pen point pressure information for each sampled point that dot matrix smart pen is sent in real time；The point
Battle array smart pen is used to write on the medium for be provided with dot matrix, and sends the person's handwriting coordinate letter of each sampled point point when writing in real time
Breath and pen point pressure information；According to the pen point pressure acquisition of information vigour of style in writing information received, and according to the person's handwriting of each sampled point
Coordinate information and the fitting of vigour of style in writing information obtain the person's handwriting for including vigour of style in writing information；Real-time display includes the person's handwriting of vigour of style in writing information.
In one embodiment of the invention, the vigour of style in writing information includes the color range information of the vigour of style in writing, is obtained and adopted by following steps
The color range information of sampling point：
Color range is divided into predetermined quantity gradient, each gradient corresponds to the pen point pressure value of preset range；
According to the pen point pressure information of sampled point, color range gradient corresponding to acquisition.
In one embodiment of the invention, the vigour of style in writing information includes the width information of the vigour of style in writing, is obtained and adopted by following steps
The width information of sampling point：
Set vigour of style in writing original width value and pen point pressure grade quantity；
According to vigour of style in writing width=vigour of style in writing original width value+pen point pressure value/pen point pressure grade quantity, sampled point is calculated
Vigour of style in writing width.
In one embodiment of the invention, included according to the person's handwriting coordinate information of each sampled point and the fitting acquisition of vigour of style in writing information
The person's handwriting for having vigour of style in writing information comprises the following steps：
The line midpoint of first sampled point and second sampled point is taken as first nodal point, second sampled point and
The line midpoint of three sampled points is the second central point, and using the first center as starting point, second sampled point is control point, in second
Heart point is terminal, and being based on Bezier fitting according to starting point, control point and terminal obtains first nodal point to the second central point
Between curve；
The line midpoint of the 3rd sampled point and the 4th sampled point is taken as the 3rd central point, using the second central point to rise
Point, the 3rd sampled point are control point, and the 3rd central point is terminal, and Bezier is based on according to starting point, control point and terminal
Fitting obtains the second central point to the curve between the 3rd central point；
The like, the curve between adjacent center point is obtained, until obtaining the N-2 central point to the N-1 center
Curve between point, wherein n-th sampled point is last sampled point；
Set the vigour of style in writing information of each central point by both ends sampled point vigour of style in writing information average, based on first sampling
The vigour of style in writing information of point, each central point and n-th sampled point, by first line between sampled point and first nodal point, each
Bezier and the line between N-1 central point and n-th sampled point between individual adjacent center point connect
Just the person's handwriting containing vigour of style in writing information to be fitted.
In one embodiment of the invention, in addition to：The handwriting information and the vigour of style in writing information are stored, to play back, edit
The handwriting information and/or the vigour of style in writing information.
In one embodiment of the invention, dot matrix smart pen is received using bluetooth, WiFi, Zigbee or USB interface and sent out in real time
The person's handwriting coordinate information and pen point pressure information for each sampled point sent.
Correspondingly, the present invention also provides a kind of written handwriting display system, including：
Communication module, the person's handwriting coordinate information and nib of each sampled point sent in real time for receiving dot matrix smart pen
Pressure information；The dot matrix smart pen is used to write on the medium for be provided with dot matrix, and sends each sampling when writing in real time
The person's handwriting coordinate information and pen point pressure information of point point；
Processing module, the pen point pressure acquisition of information vigour of style in writing information received for basis, and according to each sampled point
Person's handwriting coordinate information and the fitting of vigour of style in writing information obtain the person's handwriting for including vigour of style in writing information；
Display module, the person's handwriting of vigour of style in writing information is included for real-time display.
In one embodiment of the invention, the vigour of style in writing information includes the color range information of the vigour of style in writing, the processing module by with
Lower step obtains the color range information of sampled point：
Color range is divided into predetermined quantity gradient, each gradient corresponds to the pen point pressure value of preset range；
According to the pen point pressure information of sampled point, color range gradient corresponding to acquisition.
In one embodiment of the invention, the vigour of style in writing information includes the width information of the vigour of style in writing, the processing module by with
Lower step obtains the width information of sampled point：
Set vigour of style in writing original width value and pen point pressure grade quantity；
According to vigour of style in writing width=vigour of style in writing original width value+pen point pressure value/pen point pressure grade quantity, sampled point is calculated
Vigour of style in writing width.
In one embodiment of the invention, the processing module is according to the person's handwriting coordinate information and vigour of style in writing information of each sampled point
The person's handwriting that fitting acquisition includes vigour of style in writing information comprises the following steps：
The line midpoint of first sampled point and second sampled point is taken as first nodal point, second sampled point and
The line midpoint of three sampled points is the second central point, and using the first center as starting point, second sampled point is control point, in second
Heart point is terminal, and being based on Bezier fitting according to starting point, control point and terminal obtains first nodal point to the second central point
Between curve；
The line midpoint of the 3rd sampled point and the 4th sampled point is taken as the 3rd central point, using the second central point to rise
Point, the 3rd sampled point are control point, and the 3rd central point is terminal, and Bezier is based on according to starting point, control point and terminal
Fitting obtains the second central point to the curve between the 3rd central point；
The like, the curve between adjacent center point is obtained, until obtaining the N-2 central point to the N-1 center
Curve between point, wherein n-th sampled point is last sampled point；
Set the vigour of style in writing information of each central point by both ends sampled point vigour of style in writing information average, based on first sampling
The vigour of style in writing information of point, each central point and n-th sampled point, by first line between sampled point and first nodal point, each
Bezier and the line between N-1 central point and n-th sampled point between individual adjacent center point connect
Just the person's handwriting containing vigour of style in writing information to be fitted.
In one embodiment of the invention, in addition to memory module, for storing the handwriting information and the vigour of style in writing information,
To play back, edit the handwriting information and/or the vigour of style in writing information.
In one embodiment of the invention, the communication module is bluetooth module, WiFi module, Zigbee module, USB communications
One kind or combination in module.
Meanwhile the present invention also provides a kind of intelligent terminal, including any of the above-described described written handwriting display system.
In one embodiment of the invention, the intelligent terminal includes computer, smart mobile phone, intelligent television, tablet personal computer
And PDA.
Finally, the present invention also provides a kind of intelligent writing system, including above-mentioned intelligent terminal, dot matrix smart pen and sets
It is equipped with the medium of dot matrix.
In one embodiment of the invention, the dot matrix smart pen includes camera, pressure sensor, microprocessor and communication
Module, the camera are used to obtain image information of the nib on the dot matrix in real time；The pressure sensor is used for real-time
Obtain the pen point pressure information of each sampled point；The processor is used for the pen according to each sampled point of described image acquisition of information
Mark coordinate information, and the person's handwriting coordinate information of each sampled point and corresponding pen point pressure information are sent out by the communication module
See off.
In one embodiment of the invention, the communication module is bluetooth module, WiFi module, Zigbee module, USB communications
One kind or combination in module.
In one embodiment of the invention, the medium is one or more combinations in paper, plastic plate, metallic plate.
As described above, the present invention written handwriting display methods and system, intelligent terminal and intelligent writing system, have with
Lower beneficial effect：
(1) content for inputting dot matrix digital pen is shown in real time on intelligent terminal；
(2) not only realize the reduction of person's handwriting, also achieve the reduction of the vigour of style in writing in person's handwriting, disclosure satisfy that practise handwriting, person's handwriting
The demand of person's handwriting resolution under the specific environment scenes such as identification；
(3) Consumer's Experience is greatly improved.
Brief description of the drawings
Fig. 1 is shown as flow chart of the written handwriting display methods of the present invention in an embodiment；
Fig. 2 is shown as structural representation of the written handwriting display system of the present invention in an embodiment；
Fig. 3 is shown as structural representation of the written handwriting display system of the present invention in another embodiment；
Fig. 4 is shown as the intelligent terminal of the present invention in the structural representation of an embodiment；
Fig. 5 is shown as the intelligent writing system of the present invention in the structural representation of an embodiment；
Fig. 6 is shown as the dot matrix smart pen of the present invention in the structural representation of an embodiment.
Component label instructions
11 communication modules
12 processing modules
13 display modules
14 memory modules
1 intelligent terminal
2 dot matrix smart pens
21 cameras
22 pressure sensors
23 microprocessors
24 communication modules
3 media
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.It should be noted that in the case where not conflicting, following examples and implementation
Feature in example can be mutually combined.
It should be noted that the diagram provided in following examples only illustrates the basic structure of the present invention in a schematic way
Think, only show the component relevant with the present invention in schema then rather than according to component count, shape and the size during actual implement
Draw, kenel, quantity and the ratio of each component can be a kind of random change during its actual implementation, and its assembly layout kenel
It is likely more complexity.
Written handwriting display methods and system, the intelligent terminal and intelligent writing system of the present invention can be by dot matrix digital pen
The content of input is shown in real time on intelligent terminal, not only realizes the reduction of person's handwriting, while also achieves pen in person's handwriting
The reduction of cutting edge of a knife or a sword, disclosure satisfy that practise handwriting, the demand of person's handwriting resolution under the specific environment scene such as handwriting verification, greatly lifted
Consumer's Experience.
As shown in figure 1, in an embodiment, written handwriting display methods of the invention comprises the following steps：
Step S1, the person's handwriting coordinate information and pen point pressure letter for each sampled point that dot matrix smart pen is sent in real time are received
Breath；The dot matrix smart pen is used to write on the medium for be provided with dot matrix, and sends the pen of each sampled point when writing in real time
Mark coordinate information and pen point pressure information.
Preferably, dot matrix smart pen is set to gather per 0.02ms and transmit the person's handwriting coordinate information and pen point pressure of a point
Information, so as to provide data basis for follow-up person's handwriting, vigour of style in writing reduction.
Dot matrix smart pen is write on the medium for be provided with dot matrix, real by the high speed camera for being arranged on anterior end of pen
When catch the movement locus of nib, while obtain by pressure sensor the pressure information of nib in real time, pass through microprocessor pair
The movement locus and pressure information of nib carry out analyzing and processing paper type, source, the page number, position, person's handwriting coordinate, motion rail
The information such as mark, pen point pressure, stroke order, time of wieling the pen, speed of wieling the pen, person's handwriting when writing is sat finally by communication module
Mark information and pen point pressure information.
Preferably, each adopted by what the mode such as bluetooth, WiFi, Zigbee, USB received that dot matrix smart pen sends in real time
The person's handwriting coordinate information and pen point pressure information of sampling point.In actual use, different communication sides can be used according to usage scenario
Formula.
Step S2, according to the pen point pressure acquisition of information vigour of style in writing information received, and sat according to the person's handwriting of each sampled point
Mark information and the fitting of vigour of style in writing information obtain the person's handwriting for including vigour of style in writing information.
Preferably, vigour of style in writing information includes the color range information and width information of the vigour of style in writing.According to the pen point pressure information received
The color range information of the vigour of style in writing in person's handwriting and width information are obtained using specific algorithm.
When being write using dot matrix smart pen, strengthen or subtract with the pen point pressure value acquired in the pressure sensor on beginning to write
Color range that is weak, being presented in intelligent terminal, i.e. shade transparency are also deepened or shoaled therewith.Specifically, color range is divided
For predetermined quantity gradient, each gradient corresponds to the pen point pressure value of preset range.According to received pen point pressure information,
Color range gradient corresponding to acquisition, as color range information.For example, according to the realistic border pressure limit of human hand, setting color range includes 0-100
Individual Grad.The pen point pressure value section of each corresponding preset range of Grad.According to the pen point pressure being currently received
Information, the pen point pressure value section belonging to the pen point pressure information is inquired about, and then obtain color corresponding to the pen point pressure value section
Ladder angle value.Preferably, when setting pen point pressure value is less than certain minimal pressure force value, opacity 0, writing is not shown；Nib
Pressure value is more than or equal to certain maximal pressure force value, opacity 100%.
When being write using dot matrix smart pen, strengthen or subtract with the pen point pressure value acquired in the pressure sensor on beginning to write
Weak, the width that the vigour of style in writing in person's handwriting is showed in intelligent terminal is thicker therewith or attenuate.Specifically, vigour of style in writing original width is set
Value and pen point pressure grade quantity, according to formula vigour of style in writing width=vigour of style in writing original width value+pen point pressure value/pen point pressure grade
Quantity, calculate vigour of style in writing width.For example, vigour of style in writing original width value is initially set as 0.5mm according to the thickness of general person's handwriting, nib pressure
Power grade quantity is 255, i.e., comprising 0-255 pen point pressure grade, then the calculation formula of vigour of style in writing width is：Handwriting thickness=
0.5+ pen point pressures value/255.
Relative position information of the dot matrix smart pen according to nib on the medium of dot matrix is provided with, obtain person's handwriting coordinate letter
Breath, and it is sent to follow-up processing module.Processing module is according to the person's handwriting coordinate information and vigour of style in writing Information Pull of each sampled point
Bezier fitting obtains the person's handwriting for including vigour of style in writing information, so as to restore the motion process of nib, obtains and writes
The consistent written handwriting information of sequential.Specifically, according to the person's handwriting coordinate information of each sampled point and vigour of style in writing Information Pull shellfish plug
The person's handwriting that your curve matching acquisition includes vigour of style in writing information comprises the following steps：
A) take the line midpoint of first sampled point and second sampled point as first nodal point, second sampled point and
The line midpoint of 3rd sampled point is the second central point, and using the first center as starting point, second sampled point is control point, second
Central point is terminal, and being based on Bezier fitting according to starting point, control point and terminal obtains first nodal point to the second center
Curve between point；
B) take the line midpoint of the 3rd sampled point and the 4th sampled point as the 3rd central point, using the second central point as
Starting point, the 3rd sampled point are control point, and the 3rd central point is terminal, and it is bent to be based on Bezier according to starting point, control point and terminal
Line fitting obtains the second central point to the curve between the 3rd central point；
C) the like, the curve between adjacent center point is obtained, in the N-2 central point of acquisition is individual to N-1
Curve between heart point, wherein n-th sampled point are last sampled point；
D) set the vigour of style in writing information of each central point by both ends sampled point vigour of style in writing information average, adopted based on first
The vigour of style in writing information of sampling point, each central point and n-th sampled point, by first line between sampled point and first nodal point,
Bezier and the line between N-1 central point and n-th sampled point between each adjacent center point connect
Come the just person's handwriting containing vigour of style in writing information to be fitted.
Step S3, real-time display includes the person's handwriting of vigour of style in writing information.
Wherein, display operation is synchronous with the writing operation of dot matrix smart pen, therefore helps to understand written contents in real time,
It is convenient for interaction.
Preferably, written handwriting display methods of the invention also includes：Store handwriting information and vigour of style in writing information, in order to
Family playback, editor's handwriting information and/or vigour of style in writing information, so as to provide more flexibilities.
As shown in Fig. 2 in an embodiment, written handwriting display system of the invention includes the communication module being sequentially connected
11st, processing module 12 and display module 13.
Communication module 11 is used for the person's handwriting coordinate information and pen for receiving each sampled point that dot matrix smart pen is sent in real time
Sharp pressure information；The dot matrix smart pen is used to write on the medium for be provided with dot matrix, and sends each when writing adopt in real time
The person's handwriting coordinate information and pen point pressure information of sampling point.
Preferably, dot matrix smart pen is set to gather per 0.02ms and transmit the person's handwriting coordinate information and pen point pressure of a point
Information, so as to provide data basis for follow-up person's handwriting, vigour of style in writing reduction.
Dot matrix smart pen is write on the medium for be provided with dot matrix, real by the high speed camera for being arranged on anterior end of pen
When catch the movement locus of nib, while obtain by pressure sensor the pressure information of nib in real time, pass through microprocessor pair
The movement locus and pressure information of nib carry out analyzing and processing paper type, source, the page number, position, person's handwriting coordinate, motion rail
The information such as mark, pen point pressure, stroke order, time of wieling the pen, speed of wieling the pen, person's handwriting when writing is sat finally by communication module
Mark information and pen point pressure information.
Preferably, communication module 11 be bluetooth module, WiFi module, Zigbee module, one kind in USB communication module or
Combination.In actual use, different communication modes can be used according to usage scenario.
Processing module 12 is used for according to the pen point pressure acquisition of information vigour of style in writing information received, and according to each sampled point
Person's handwriting coordinate information and the fitting of vigour of style in writing information obtain the person's handwriting for including vigour of style in writing information.
Preferably, vigour of style in writing information includes the color range information and width information of the vigour of style in writing.Processing module 12 is according to the pen received
Sharp pressure information obtains the color range information of the vigour of style in writing in person's handwriting and width information using specific algorithm.
When being write using dot matrix smart pen, strengthen or subtract with the pen point pressure value acquired in the pressure sensor on beginning to write
Color range that is weak, being presented in intelligent terminal, i.e. shade transparency are also deepened or shoaled therewith.Specifically, color range is divided
For predetermined quantity gradient, each gradient corresponds to the pen point pressure value of preset range.Processing module is according to received nib
Pressure information, as color range gradient corresponding to acquisition, color range information.For example, according to the realistic border pressure limit of human hand, color range is set
Including 0-100 Grad.The pen point pressure value section of each corresponding preset range of Grad.Processing module is according to current
The pen point pressure information received, the pen point pressure value section belonging to the pen point pressure information is inquired about, and then obtain the nib pressure
Color range Grad corresponding to force value section.Preferably, when setting pen point pressure value is less than certain minimal pressure force value, opacity 0,
Do not show writing；Pen point pressure value is more than or equal to certain maximal pressure force value, opacity 100%.
When being write using dot matrix smart pen, strengthen or subtract with the pen point pressure value acquired in the pressure sensor on beginning to write
Weak, the width that the vigour of style in writing in person's handwriting is showed in intelligent terminal is thicker therewith or attenuate.Specifically, vigour of style in writing original width is set
Value and pen point pressure grade quantity, according to formula vigour of style in writing width=vigour of style in writing original width value+pen point pressure value/pen point pressure grade
Quantity, calculate vigour of style in writing width.For example, vigour of style in writing original width value is initially set as 0.5mm according to the thickness of general person's handwriting, nib pressure
Power grade quantity is 255, i.e., comprising 0-255 pen point pressure grade, then the calculation formula of vigour of style in writing width is：Handwriting thickness=
0.5+ pen point pressures value/255.
Relative position information of the dot matrix smart pen according to nib on the medium of dot matrix is provided with, obtain person's handwriting coordinate letter
Breath, and it is sent to processing module.Processing module 12 is according to the person's handwriting coordinate information and vigour of style in writing Information Pull shellfish plug of each sampled point
You obtain the person's handwriting for including vigour of style in writing information at curve matching, so as to restore the motion process of nib, obtain and writing sequential
Consistent written handwriting information.Specifically, it is bent according to the person's handwriting coordinate information of each sampled point and vigour of style in writing Information Pull Bezier
The person's handwriting that line fitting acquisition includes vigour of style in writing information comprises the following steps：
A) take the line midpoint of first sampled point and second sampled point as first nodal point, second sampled point and
The line midpoint of 3rd sampled point is the second central point, and using the first center as starting point, second sampled point is control point, second
Central point is terminal, and being based on Bezier fitting according to starting point, control point and terminal obtains first nodal point to the second center
Curve between point；
B) take the line midpoint of the 3rd sampled point and the 4th sampled point as the 3rd central point, using the second central point as
Starting point, the 3rd sampled point are control point, and the 3rd central point is terminal, and it is bent to be based on Bezier according to starting point, control point and terminal
Line fitting obtains the second central point to the curve between the 3rd central point；
C) the like, the curve between adjacent center point is obtained, in the N-2 central point of acquisition is individual to N-1
Curve between heart point, wherein n-th sampled point are last sampled point；
D) set the vigour of style in writing information of each central point by both ends sampled point vigour of style in writing information average, adopted based on first
The vigour of style in writing information of sampling point, each central point and n-th sampled point, by first line between sampled point and first nodal point,
Bezier and the line between N-1 central point and n-th sampled point between each adjacent center point connect
Come the just person's handwriting containing vigour of style in writing information to be fitted.
Display module 13 is used for the person's handwriting that real-time display includes vigour of style in writing information.
Wherein, the display operation of display module 13 is synchronous with the writing operation of dot matrix smart pen, therefore is contributed in real time
Understand written contents, be convenient for interaction.
Preferably, as shown in figure 3, the written handwriting display system of the present invention also includes memory module 14, with processing module
12 are connected, and for storing handwriting information and vigour of style in writing information, in order to user's playback, edit handwriting information and/or vigour of style in writing information, from
And provide more flexibilities.
As shown in figure 4, the intelligent terminal 1 of the present invention includes above-mentioned written handwriting display system.
It should be noted that intelligent terminal involved in the present invention includes being not limited to computer, smart mobile phone, intelligence
TV, tablet personal computer and PDA, and other have the terminal device of data processing function.Generally, intelligent terminal refers to have
Independent operating system, the program of the third party service providers such as software, game offer can be voluntarily installed by user, pass through this class
Sequence come continuous handheld device function expanded, and can by mobile communication network come realize wireless network access this
Sample terminal equipment 1.
In one embodiment of the invention, intelligent terminal is completed the simultaneous display of person's handwriting and the vigour of style in writing by APP form, returned
The operation such as put, collect.
As shown in figure 5, the intelligent writing system of the present invention includes above-mentioned intelligent terminal 1, dot matrix smart pen 2 and set
There is the medium 3 of dot matrix.
As shown in fig. 6, dot matrix smart pen 2 includes camera 21, pressure sensor 22, microprocessor 23 and communication module
24；Camera 21 is used to obtain image information of the nib on dot matrix in real time；Pressure sensor 22 is used to obtain each adopt in real time
The pen point pressure information of sampling point；Microprocessor 23 is respectively connected with camera 21, pressure sensor 22 and communication module 24, is used for
According to the person's handwriting coordinate information of each sampled point of described image acquisition of information, and by each sampled point state person's handwriting coordinate information and
Corresponding pen point pressure information is sent by communication module.
Preferably, pressure sensor 22 uses semiconductor pressure sensor.Pressure sensor is the most widely used one
Kind sensor.Traditional pressure sensor indicates pressure, but this based on the device of mechanical structure type, with the deformation of flexible member
Kind physical dimension is big, quality weight, it is impossible to provides electricity output.With the development of semiconductor technology, semiconductor pressure sensor should
Transport and give birth to, it has the advantages of small volume, light weight, degree of accuracy height, good temp characteristic.In particular with the hair of MEMS technology
Exhibition, semiconductor transducer is towards miniaturization, and its small power consumption, reliability are high.
Preferably, communication module 24 be bluetooth module, WiFi module, Zigbee module, one kind in USB communication module or
Combination.It is further preferable that the person's handwriting coordinate information and pen point pressure information acquired in dot matrix smart pen can also be transmitted to high in the clouds,
So that subsequent treatment uses.
Dot matrix image is provided with medium 3, for being write for dot matrix smart pen 2 thereon, with according to the dot matrix
Positional information obtain the person's handwriting coordinate information of each sampled point.Preferably, medium can be paper, plastic plate, metallic plate
In one or more combinations.In actual use, generally use prints the paper of one layer of dot pattern, so as to meet people's day
Normal writing style, lift Consumer's Experience.
In summary, written handwriting display methods of the invention and system, intelligent terminal and intelligent writing system are by dot matrix
The content of digital pen input is shown in real time on intelligent terminal；The reduction of person's handwriting is not only realized, is also achieved in person's handwriting
The reduction of the vigour of style in writing, disclosure satisfy that practise handwriting, the demand of person's handwriting resolution under the specific environment scene such as handwriting verification；Greatly carry
Consumer's Experience is risen.So the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
- A kind of 1. written handwriting display methods, it is characterised in that：Comprise the following steps：Receive the person's handwriting coordinate information and pen point pressure information for each sampled point that dot matrix smart pen is sent in real time；The dot matrix Smart pen is used to write on the medium for be provided with dot matrix, and sends the person's handwriting coordinate information of each sampled point point when writing in real time With pen point pressure information；According to the pen point pressure acquisition of information vigour of style in writing information received, and according to the person's handwriting coordinate information and the vigour of style in writing of each sampled point Information fitting obtains the person's handwriting for including vigour of style in writing information；Real-time display includes the person's handwriting of vigour of style in writing information.
- 2. written handwriting display methods according to claim 1, it is characterised in that：The vigour of style in writing information includes the color of the vigour of style in writing Rank information, the color range information of sampled point is obtained by following steps：Color range is divided into predetermined quantity gradient, each gradient corresponds to the pen point pressure value of preset range；According to the pen point pressure information of sampled point, color range gradient corresponding to acquisition.
- 3. written handwriting display methods according to claim 1, it is characterised in that：The vigour of style in writing information includes the width of the vigour of style in writing Information is spent, the width information of sampled point is obtained by following steps：Set vigour of style in writing original width value and pen point pressure grade quantity；According to vigour of style in writing width=vigour of style in writing original width value+pen point pressure value/pen point pressure grade quantity, the vigour of style in writing of sampled point is calculated Width.
- 4. written handwriting display methods according to claim 1, it is characterised in that：According to the person's handwriting coordinate of each sampled point The person's handwriting that information and the fitting acquisition of vigour of style in writing information include vigour of style in writing information comprises the following steps：The line midpoint of first sampled point and second sampled point is taken as first nodal point, second sampled point and the 3rd The line midpoint of sampled point is the second central point, and using the first center as starting point, second sampled point is control point, the second central point For terminal, Bezier fitting is based on according to starting point, control point and terminal and obtains first nodal point between the second central point Curve；The line midpoint of the 3rd sampled point and the 4th sampled point is taken as the 3rd central point, using the second central point as starting point, 3rd sampled point is control point, and the 3rd central point is terminal, is fitted according to starting point, control point and terminal based on Bezier The second central point is obtained to the curve between the 3rd central point；The like, obtain the curve between adjacent center point, until obtain the N-2 central point to the N-1 central point it Between curve, wherein n-th sampled point is last sampled point；Set the vigour of style in writing information of each central point by both ends sampled point vigour of style in writing information average, based on first sampled point, The vigour of style in writing information of each central point and n-th sampled point, by first line, the Ge Gexiang between sampled point and first nodal point Bezier and the line between N-1 central point and n-th sampled point between adjacent central point, which connect, is just The person's handwriting containing vigour of style in writing information being fitted.
- A kind of 5. written handwriting display system, it is characterised in that：Including：Communication module, the person's handwriting coordinate information and pen point pressure of each sampled point sent in real time for receiving dot matrix smart pen Information；The dot matrix smart pen is used to write on the medium for be provided with dot matrix, and sends each sampled point point when writing in real time Person's handwriting coordinate information and pen point pressure information；Processing module, the pen point pressure acquisition of information vigour of style in writing information received for basis, and according to the person's handwriting of each sampled point Coordinate information and the fitting of vigour of style in writing information obtain the person's handwriting for including vigour of style in writing information；Display module, the person's handwriting of vigour of style in writing information is included for real-time display.
- 6. written handwriting display system according to claim 5, it is characterised in that：The vigour of style in writing information includes the color of the vigour of style in writing Rank information, the processing module obtain the color range information of sampled point by following steps：Color range is divided into predetermined quantity gradient, each gradient corresponds to the pen point pressure value of preset range；According to the pen point pressure information of sampled point, color range gradient corresponding to acquisition.
- 7. written handwriting display system according to claim 5, it is characterised in that：The processing module is according to each sampling The person's handwriting that person's handwriting coordinate information and the vigour of style in writing information fitting acquisition of point include vigour of style in writing information comprises the following steps：The line midpoint of first sampled point and second sampled point is taken as first nodal point, second sampled point and the 3rd The line midpoint of sampled point is the second central point, and using the first center as starting point, second sampled point is control point, the second central point For terminal, Bezier fitting is based on according to starting point, control point and terminal and obtains first nodal point between the second central point Curve；The line midpoint of the 3rd sampled point and the 4th sampled point is taken as the 3rd central point, using the second central point as starting point, 3rd sampled point is control point, and the 3rd central point is terminal, is fitted according to starting point, control point and terminal based on Bezier The second central point is obtained to the curve between the 3rd central point；The like, obtain the curve between adjacent center point, until obtain the N-2 central point to the N-1 central point it Between curve, wherein n-th sampled point is last sampled point；Set the vigour of style in writing information of each central point by both ends sampled point vigour of style in writing information average, based on first sampled point, The vigour of style in writing information of each central point and n-th sampled point, by first line, the Ge Gexiang between sampled point and first nodal point Bezier and the line between N-1 central point and n-th sampled point between adjacent central point, which connect, is just The person's handwriting containing vigour of style in writing information being fitted.
- A kind of 8. intelligent terminal, it is characterised in that：Including the written handwriting display system described in one of claim 5-7.
- 9. intelligent terminal according to claim 8, it is characterised in that：The intelligent terminal include computer, smart mobile phone, Intelligent television, tablet personal computer and PDA.
- A kind of 10. intelligent writing system, it is characterised in that：Including the intelligent terminal described in claim 8 or 9, dot matrix smart pen And it is provided with the medium of dot matrix.
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| CN110827596A (en) * | 2018-08-08 | 2020-02-21 | 深圳市鹰硕技术有限公司 | Question answering method based on intelligent pen |
| CN111105478A (en) * | 2019-12-06 | 2020-05-05 | 中国联合网络通信集团有限公司 | Handwriting processing method, handwriting processing device, handwriting processing equipment and computer readable storage medium |
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| CN112889017A (en) * | 2018-11-21 | 2021-06-01 | 深圳市柔宇科技股份有限公司 | Handwriting processing method, handwriting input device and computer readable storage medium |
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| CN111680555A (en) * | 2020-04-29 | 2020-09-18 | 上海奇初教育科技有限公司 | Intelligent handwriting recognition system |
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| CN113934395A (en) * | 2021-10-19 | 2022-01-14 | 河北师达教育科技有限公司 | Method and device for synchronously displaying scripts in display screen and terminal equipment |
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Application publication date: 20171215 |