CN109062491A - The handwriting processing method and device of interactive intelligence equipment - Google Patents
The handwriting processing method and device of interactive intelligence equipment Download PDFInfo
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- CN109062491A CN109062491A CN201810812651.9A CN201810812651A CN109062491A CN 109062491 A CN109062491 A CN 109062491A CN 201810812651 A CN201810812651 A CN 201810812651A CN 109062491 A CN109062491 A CN 109062491A
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- Prior art keywords
- handwriting
- person
- key point
- parameter
- coordinate
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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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
Abstract
The invention discloses the handwriting processing methods and device of a kind of interactive intelligence equipment.Wherein, instruction is saved this method comprises: receiving, wherein save instruction and be used to indicate the person's handwriting that interactive intelligence equipment saves current display interface；Obtain the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter includes: the property parameters of person's handwriting type and key point, and key point is multiple points in the control point of person's handwriting；Store the corresponding person's handwriting parameter of person's handwriting.The present invention solve in the prior art save person's handwriting need the long period, use the more technical problem of memory.
Description
Technical field
The present invention relates to interactive intelligence apparatus fields, in particular to a kind of person's handwriting processing side of interactive intelligence equipment
Method and device.
Background technique
After user writes in the softwares such as the blank of interactive intelligence equipment, it is often desirable that person's handwriting is preserved, with
Just shared, the scheme for saving person's handwriting at present is person's handwriting to be presented entire by way of RenderTargetBitmap
Region is operated in memory, it is rendered into a picture.But there are Railway Projects during this:
1, it is rendered RenderTargetBitmap excessively time-consuming by way of an object obtains image；
2, it is more then to mean that person's handwriting is presented the memory that region occupies, is using this method at this time for a large amount of person's handwritings if it exists
When being operated, memory spilling will cause, so as to cause operation failure.
The long period is needed for person's handwriting is saved in the prior art, using the more problem of memory, not yet proposes have at present
The solution of effect.
Summary of the invention
The embodiment of the invention provides the handwriting processing methods and device of a kind of interactive intelligence equipment, existing at least to solve
Person's handwriting is saved in technology and needs the long period, uses the more technical problem of memory.
According to an aspect of an embodiment of the present invention, a kind of handwriting processing method of interactive intelligence equipment is provided, comprising:
It receives and saves instruction, wherein save instruction and be used to indicate the person's handwriting that interactive intelligence equipment saves current display interface；Obtain person's handwriting
Person's handwriting parameter, wherein person's handwriting parameter includes: the property parameters of person's handwriting type and key point, and key point is the control point of person's handwriting
In multiple points；Store the corresponding person's handwriting parameter of person's handwriting.
Further, the type of person's handwriting includes: the first kind and Second Type, the case where person's handwriting parameter is person's handwriting type
Under, obtain the person's handwriting parameter of person's handwriting, comprising: detect the coordinate at all control points of person's handwriting；If the first control point of person's handwriting with
The relationship at non-first control point meets preset condition, it is determined that person's handwriting is the first kind, wherein preset condition is；Each non-head
A control point and difference of the first control point in the first dimension less than the first preset value or each non-first control point with it is first
Difference of the control point in the second dimension is both less than second and setting；If the first control point of person's handwriting and non-first control point
Relationship is unsatisfactory for preset condition, it is determined that person's handwriting is Second Type.
Further, the property parameters of key point include: the coordinate of key point and the color value of key point, in person's handwriting parameter
In the case where property parameters for key point, the person's handwriting parameter of person's handwriting is obtained, comprising: determine the key point of person's handwriting；It obtains crucial
The coordinate of point and the color value of key point.
Further, in the case where the type of person's handwriting is the first kind, the key point of person's handwriting is determined, comprising: determine pen
The first control point and the last one control point of mark are the key point of person's handwriting.
Further, in the case where the type of person's handwriting is Second Type, the key point of person's handwriting is determined, comprising: pass through three
Secondary Bezier identify the handwriting it is counter pushed away, obtain the key point of person's handwriting.
Further, by the storage corresponding with person's handwriting of the color value of the coordinate of the type of person's handwriting, key point and key point
Afterwards, restore person's handwriting, wherein the step of restoring person's handwriting includes: the coordinate that the key point of person's handwriting is obtained from the person's handwriting parameter of person's handwriting；
Coordinate of each pixel of person's handwriting on background image is extrapolated according to the coordinate of the key point of person's handwriting by pre-defined algorithm；
Person's handwriting is restored according to coordinate of each pixel of person's handwriting on background image.
Further, by pre-defined algorithm, according to the coordinate of the key point of person's handwriting, each pixel for extrapolating person's handwriting exists
Coordinate on background image, comprising: the type of person's handwriting is obtained from the person's handwriting parameter of person's handwriting；If the type of person's handwriting is the first kind
Type then determines person's handwriting in background by the straight line that the coordinate at the first control point of person's handwriting and the coordinate at the last one control point are constituted
The coordinate of each pixel on image；If the type of person's handwriting is Second Type, by DDA algorithm according to the key of person's handwriting
The coordinate of point, determines the coordinate of each pixel of the person's handwriting on background image.
Further, the coordinate according to each pixel of person's handwriting on background image restores person's handwriting, comprising: from person's handwriting
The corresponding color value of person's handwriting is obtained in person's handwriting parameter；According to the coordinate of each pixel of the person's handwriting on background image, in background
Each pixel of person's handwriting is searched on image；The color value of person's handwriting is adjusted to the color value of the pixel found.
Further, in the case that a plurality of person's handwriting in current display interface has the pixel being overlapped, to finding
The color value of pixel be adjusted to the color value of person's handwriting, comprising: the color value for determining the person's handwriting ultimately produced in a plurality of person's handwriting is
Target color values；The color value of the pixel of coincidence is adjusted to target color values.
According to an aspect of an embodiment of the present invention, a kind of person's handwriting processing unit of interactive intelligence equipment is provided, comprising:
Receiving module saves instruction for receiving, wherein preservation instruction is used to indicate interactive intelligence equipment and saves current display interface
Person's handwriting；For module, for obtaining the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter includes: the attribute of person's handwriting type and key point
Parameter, key point are multiple points in the control point of person's handwriting；Memory module, for storing the corresponding person's handwriting parameter of person's handwriting.
According to an aspect of an embodiment of the present invention, a kind of storage medium is provided, storage medium includes the program of storage,
Wherein, when program is run, equipment where control storage medium executes following steps: receiving and saves instruction, wherein saves instruction
It is used to indicate the person's handwriting that interactive intelligence equipment saves current display interface；Obtain the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter packet
Include: the property parameters of person's handwriting type and key point, key point are multiple points in the control point of person's handwriting；Store the corresponding pen of person's handwriting
Mark parameter.
According to an aspect of an embodiment of the present invention, a kind of processor is provided, processor is for running program, wherein
Program executes following steps when running: receiving preservation instruction, wherein preservation instruction is used to indicate interactive intelligence equipment and saves currently
The person's handwriting of display interface；Obtain the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter includes: the attribute ginseng of person's handwriting type and key point
Number, key point are multiple points in the control point of person's handwriting；Store the corresponding person's handwriting parameter of person's handwriting.
In embodiments of the present invention, it receives and saves instruction, wherein preservation instruction is used to indicate the preservation of interactive intelligence equipment and works as
The person's handwriting of preceding display interface；Obtain the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter includes: the attribute of person's handwriting type and key point
Parameter, key point are multiple points in the control point of person's handwriting；Store the corresponding person's handwriting parameter of person's handwriting.Above scheme is by receiving
To person's handwriting parameter is saved when saving instruction, compared with saving whole image in existing book, saves, reduce again without being rendered to image
It is demonstrated by rendering image bring, and the data volume saved is smaller, saves person's handwriting occupied memory to reduce, solve
Person's handwriting is saved in the prior art and needs the long period, uses the more technical problem of memory.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the handwriting processing method of according to embodiments of the present invention 1 interactive intelligence equipment；
Fig. 2 is a kind of flow chart of the according to embodiments of the present invention 2 handwriting erasing methods provided；
Fig. 3 is a kind of schematic diagram of according to embodiments of the present invention 3 a plurality of person's handwriting coincidence；
Fig. 4 is a kind of process of the handwriting processing method of interactive intelligence equipment of according to embodiments of the present invention 1 and embodiment 2
Figure；And
Fig. 5 is the flow chart of the person's handwriting processing unit of interactive intelligence equipment according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Embodiment 1
According to embodiments of the present invention, a kind of embodiment of the handwriting processing method of interactive intelligence equipment is provided, is needed
Bright, step shown in the flowchart of the accompanying drawings can be held in a computer system such as a set of computer executable instructions
Row, although also, logical order is shown in flow charts, and it in some cases, can be to be different from sequence herein
Execute shown or described step.
Fig. 1 is the flow chart of the handwriting processing method of interactive intelligence equipment according to an embodiment of the present invention.
The handwriting processing method of interactive intelligence equipment provided in this embodiment can be executed by interactive intelligence equipment.Interaction intelligence
Energy equipment, which can be, is manipulated and is realized man-machine interactive operation to the content being shown on display plate by touch technology
It is a kind of or more to be integrated with projector, electronic whiteboard, curtain, sound equipment, television set and video conference terminal etc. for integration apparatus
Kind function.
In embodiment, interactive intelligence equipment and at least one external device (ED) establish data connection.Wherein, external device (ED) packet
It includes but is not limited to: mobile phone, person's handwriting this computer, USB flash drive, tablet computer and desktop computer etc..
It is not construed as limiting, can pass through in external device (ED) and the communication mode embodiment of the data connection of interactive intelligence equipment
The communication modes such as USB connection, internet, local area network, bluetooth, Wi-Fi or purple peak agreement (ZigBee).
Further, intelligent interaction plate has touch screen, and touch screen can be that by the touching of single touch function
Screen is touched, such as: capacitance touch screen, electromagnetic touch screen are also possible to can be achieved at the same time capacitive sensing, electromagnetic induction and infrared sense
The touch screen answered.When touch screen of the user by finger touch intelligent interaction plate, the capacitance parameter of touch location becomes
Change, touching box determines finger in the touch location of touch screen according to the variation of capacitor；Alternatively, finger when contacting touching box, hinders
It has kept off infrared receiving end and has received infrared signal, touching box determines the touch location of finger according to the infrared signal being blocked；Again
Alternatively, electromagnetic induction occurs for the position that time writer is contacted with touch screen when user releases contact touch screen using time writer, from
And the variation of magnetic flux is generated, the electromagnetic screen of touching box determines the position of time writer contact touch screen according to the variation of magnetic flux.
Optionally, whiteboard applications software is installed in intelligent interaction plate, which can be pre-installed in
In above-mentioned intelligent interaction plate, it is also possible to be downloaded when intelligent interaction plate starts from third party device or server
And the writing class application software installed and used.Wherein, third party device is not construed as limiting in embodiment.Specifically, whiteboard applications
Software is used to obtain the finger of user or time writer is writing the operation in interface, obtains multiple controls depending on the user's operation
Point, and according to the written handwriting of control point generation user.Wherein, the written handwriting that intelligent interaction plate will additionally generate is shown in aobvious
In display screen, the parameters such as color, thickness of written handwriting shown by display screen can be whiteboard applications software default, can also be with
It is that user is selected before writing by controlling control.After generating written handwriting, whiteboard applications software provides erasing function,
For wiping the written handwriting having been displayed.The mode of erasing rubber erasing person's handwriting can be after user chooses erasing rubber, to move
Dynamic erasing rubber, so that the person's handwriting that the motion track covering of erasing rubber needs to wipe.According to the movement of erasing rubber, whiteboard applications software
0 is set by the color value of the pixel of erasing rubber covering, to achieve the effect that erasing writing person's handwriting.
As shown in Figure 1, this method comprises the following steps:
Step S11 is received and is saved instruction, wherein preservation instruction is used to indicate interactive intelligence equipment and saves current display circle
The person's handwriting in face.
Specifically, above-mentioned preservation instruction can be by using the user of interactive intelligence equipment to issue, user issues the side of instruction
Formula can be, and pass through the modes such as scheduled control, scheduled instruction.
Intelligent interaction plate saves the person's handwriting of current display interface after receiving preservation instruction, is saving pen
While mark, in order to when user needs restore current interface complete content, can also by the background image of person's handwriting into
Row saves.
In an alternative embodiment, user writes in the whiteboard applications of interactive intelligence equipment, generates written handwriting,
After the completion of there is the control for saving current person's handwriting, user to write in whiteboard applications, in order to save the person's handwriting, triggering saves person's handwriting
Control is saved, interactive intelligence equipment is to receive the preservation instruction of user's transmission.
In an alternative embodiment, interactive intelligence equipment is in annotation mode, and user writes under annotation mode,
Generate annotation track.In annotation mode, different gestures has corresponding instruction, such as: save the corresponding hand in annotation track
Gesture is that three fingers glide, and in order to save annotation track, user three refers to that gliding is to generate to save instruction, and interactive intelligence equipment receives
The preservation instruction that user sends.
Step S13 obtains the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter includes: the attribute ginseng of person's handwriting type and key point
Number, key point are multiple points in the control point of person's handwriting.
In above-mentioned steps, person's handwriting parameter can be described by meeting the language of svg grammer, for when restoring person's handwriting
It uses, can be identified the handwriting and be restored by the person's handwriting parameter of person's handwriting.It include person's handwriting type in person's handwriting parameter, for inhomogeneity
The person's handwriting of type, method and different restoration methods with different acquisition key points.
In an alternative embodiment, above-mentioned person's handwriting type can include straight line and curve, for straight line person's handwriting,
Two o'clock can determine straight line, therefore the key point of straight line person's handwriting can be first control point and the last one control point, right
For curve person's handwriting, then multiple key points are needed, it could recovery curve.
In an alternative embodiment, the property parameters of above-mentioned key point may include the coordinate and key of key point
The color value of point, wherein the coordinate of key point is used to determine the position of key point, and the color value of key point is for determining person's handwriting
Color.
Lower mask body is illustrated the mode for obtaining person's handwriting type, and the type of person's handwriting includes: the first kind and the second class
Type obtains the person's handwriting parameter of person's handwriting in current display interface in the case where person's handwriting parameter is person's handwriting type, comprising:
Step S131 detects the coordinate at all control points of person's handwriting.
Specifically, the coordinate at control point can be obtained when generating person's handwriting.Above-mentioned control point is touching when generating person's handwriting
Touch equipment or the finger mobile generated touch data point in interactive intelligence equipment.Each control point is in current display interface
With corresponding coordinate, for determining the display position at control point.
Step S133, if the relationship at the first control point of person's handwriting and non-first control point meets preset condition, it is determined that
Person's handwriting is the first kind, wherein preset condition is；Each non-first control point and difference of the first control point in the first dimension
Less than the first preset value or each non-first control point and difference of the first control point in the second dimension be both less than second with set
It sets.
Specifically, the first control point of person's handwriting point is apparatus for writing or finger are contacted with touching box when writing first
Point, i.e. down point, person's handwriting include a first control point and multiple non-first control points.Above-mentioned first dimension can be interactive intelligence
The x-axis of coordinate, the second dimension can be coordinate points y-axis on the display interface of interactive intelligence equipment on the display interface of energy equipment.
If in a person's handwriting, all non-first control points and difference of the first control point in x-axis are respectively less than first in advance
If value, then confirm that the person's handwriting is almost the straight line of a vertical direction, if in a person's handwriting, all non-first control points and head
The difference of a control point on the y axis is respectively less than the second preset value, then confirms that the person's handwriting is almost the straight line of a horizontal direction, full
The person's handwriting of the above-mentioned two condition of foot, the first control point of pen trace and the coordinate at the last one control point can determine pen
The form of mark, thus it is confirmed that the person's handwriting is the first kind.
It follows that the person's handwriting of the above-mentioned first kind, which is actually used in, indicates horizontal linear or vertical straight line.
Step S135, if the relationship at the first control point of person's handwriting and non-first control point is unsatisfactory for preset condition, really
Determining person's handwriting is Second Type.
It is curve person's handwriting or oblique line person's handwriting still with step S131 it is found that being unsatisfactory for the person's handwriting of above-mentioned preset condition.
Lower mask body is illustrated the mode for the property parameters for obtaining key point, and the property parameters of key point include: to close
The coordinate of key point and the color value of key point obtain the pen of person's handwriting in the case where person's handwriting parameter is the property parameters of key point
Mark parameter, comprising:
Step S137 determines the key point of person's handwriting.
The key point of above-mentioned person's handwriting is multiple in person's handwriting control point, can be the key point creation key point pair of person's handwriting
As, and using the property parameters of key point as the parameter of crucial point object.Specifically, person's handwriting type be the first kind feelings
Under condition, the key point of person's handwriting is determined, comprising:
Step S1371, determines the first control point of person's handwriting and the last one control point is the key point of person's handwriting.
By step S133 it is found that the person's handwriting of the first kind is in the first dimension or the second dimension, non-first control point and head
The difference at a control point is in the first preset value or the second preset value, therefore, it is considered that the person's handwriting of the first kind is similar to straight line, because
This it needs to be determined that the person's handwriting of the first kind first control point and the last one control point, that is, can determine whole straight line, i.e., it is whole
A person's handwriting.Therefore it for the person's handwriting of the first kind, determines the first control point of person's handwriting and the last one control point is the pass of person's handwriting
Key point.
In the case where the type of person's handwriting is Second Type, the key point of person's handwriting is determined, comprising:
Step S1373, by Cubic kolmogorov's differential system identify the handwriting it is counter pushed away, obtain the key point of person's handwriting.
Specifically, Cubic kolmogorov's differential system is the algorithm that curve is determined according to key point, and the side of Cubic kolmogorov's differential system
Formula similarly can release key point according to curve is counter.
According to step S135 it is found that the person's handwriting of Second Type may be curve, therefore counter through the above way can push away
To key point, even if being oblique line, generally also non-standard oblique line, therefore it can also be back-calculated to obtain key point through the above way.
Step S139 obtains the coordinate of key point and the color value of key point.
Specifically, the coordinate of above-mentioned key point is position of the key point in current display interface, a kind of optional
In embodiment, in the display interface of interactive intelligence equipment, the coordinate in the upper left corner is (0,0), and horizontal axis is x coordinate, and the longitudinal axis is y seat
Mark can describe specific location of the pixel in current display interface by (x, y), and the key point of above-mentioned determination is to use
In the pixel for determining person's handwriting.
Since a person's handwriting only has a color, for a person's handwriting, one of key point can be only recorded
Color.
S15, the corresponding person's handwriting parameter of storage person's handwriting.
Specifically, person's handwriting parameter can be stored in the designated position of interactive intelligent tablet computer by above-mentioned steps, for working as user
When needing to reappear display person's handwriting, is identified the handwriting and restored according to person's handwriting parameter.
It should be noted that, when saving person's handwriting, being handed over since the display interface of preservation all includes usually a plurality of person's handwriting
Mutual Intelligent flat can be S11 to S13 through the above steps and store to the person's handwriting in current display interface.
It should also be noted that, no matter above-mentioned person's handwriting is written handwriting or annotation track, it is likely to be in Background
Seem to carry out, annotates track, the usually annotation to the progress of specified content, therefore especially in order to restore display interface
Full images, it is also necessary to store the corresponding background image of person's handwriting.
From the foregoing, it will be observed that the above embodiments of the present application, which receive, saves instruction, wherein preservation instruction is used to indicate interactive intelligence and sets
The standby person's handwriting for saving current display interface；Obtain the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter includes: person's handwriting type and key
The property parameters of point, key point are multiple points in the control point of person's handwriting；Store the corresponding person's handwriting parameter of person's handwriting.Above scheme is logical
It crosses and saves person's handwriting parameter when receiving and saving instruction, compared with saving whole image in existing book, without being rendered to image again
It saves, reduces and demonstrated by rendering image bring, and the data volume saved is smaller, so that it is occupied to reduce preservation person's handwriting
Memory, solve in the prior art save person's handwriting need the long period, use the more technical problem of memory.
Embodiment 2
Fig. 2 is a kind of flow chart for handwriting erasing method that the embodiment of the present invention 2 provides.The present embodiment is in above-mentioned implementation
It is embodied on the basis of example 1.
Step S21 is received and is saved instruction, wherein preservation instruction is used to indicate interactive intelligence equipment and saves current display circle
The person's handwriting in face
Step S23 obtains the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter includes: the attribute ginseng of person's handwriting type and key point
Number, key point are multiple points in the control point of person's handwriting.
Step S25, the corresponding person's handwriting parameter of storage person's handwriting.
Step S27 restores person's handwriting.
Specifically, above-mentioned steps according to the person's handwriting parameter saved in step S25 for being restored.The step of restoring person's handwriting
Include:
Step S271 obtains the coordinate of the key point of person's handwriting from the person's handwriting parameter of person's handwriting.
Specifically, the key point of each person's handwriting stores in such a way that key is to object, therefore can be by reading key point
The parameter of object obtains the key point coordinate of person's handwriting.
Step S273, by pre-defined algorithm, according to the coordinate of the key point of person's handwriting, each pixel for extrapolating person's handwriting exists
Coordinate on background image.
Specifically, having different projectional techniques for different types of person's handwriting, lower mask body is illustrated.
Each pixel of person's handwriting is extrapolated in background image according to the coordinate of the key point of person's handwriting by pre-defined algorithm
On coordinate, comprising:
Step S2731 obtains the type of person's handwriting from the person's handwriting parameter of person's handwriting.
Step S2733, if the type of person's handwriting is the first kind, by the coordinate at the first control point of person's handwriting and last
The straight line that the coordinate at one control point is constituted determines the coordinate of each pixel of the person's handwriting on background image.
Specifically, the person's handwriting of the above-mentioned first kind can be the pen for meeting the preset condition in embodiment 1 in step S133
Mark.If the type of person's handwriting is the first kind, the first control of person's handwriting and the straight line line at the last one control point are should
Person's handwriting, therefore the straight line being made up of the coordinate at first control point of person's handwriting and the coordinate at the last one control point, determine pen
The coordinate of each pixel of mark.
Step S2735, if the type of person's handwriting is Second Type, by DDA algorithm according to the seat of the key point of person's handwriting
Mark, determines the coordinate of each pixel of the person's handwriting on background image.
Step S274 restores person's handwriting according to coordinate of each pixel of person's handwriting on background image.
Specifically, can determine shape of the person's handwriting in background image after obtaining the coordinate of each pixel of person's handwriting
State, so as to restore person's handwriting.Specifically, the step of the coordinate reduction person's handwriting according to each pixel of person's handwriting on background image
Suddenly include:
Step S2741 obtains the corresponding color value of person's handwriting from the person's handwriting parameter of person's handwriting.
Specifically, the color value of key point is stored in a parameter in person's handwriting object, multiple keys of a person's handwriting
The saved color value of point is identical, after determining the form of person's handwriting by the coordinate of each pixel of person's handwriting, also by above-mentioned
Color value determines person's handwriting point color.
In an alternative embodiment, above-mentioned color value can be tri- parameters of rgb, be also possible to argb tetra- ginsengs
Number.
Step S2743 searches person's handwriting according to the coordinate of each pixel of the person's handwriting on background image on background image
Each pixel.
In above-mentioned steps, person's handwriting is determined according to the coordinate of pixel obtaining person's handwriting on background image.
Step S2745 is adjusted to the color value of person's handwriting to the color value of the pixel found.
Above-mentioned steps are Pixel-level operations to be carried out to background image, after restoring the form of person's handwriting, by pixel
Point carries out the adjustment of color value, restores the color of person's handwriting.
It should also be noted that, in the case that a plurality of person's handwriting in current display interface has the pixel being overlapped, it is right
The color value of the pixel found is adjusted to the color value of person's handwriting, comprising:
Step S27451 determines that the color value of the person's handwriting ultimately produced in a plurality of person's handwriting is target color values.
Specifically, during generating person's handwriting, if a plurality of person's handwriting has the pixel being overlapped, the person's handwriting generated afterwards
The person's handwriting first generated can be covered, therefore for the pixel of coincidence, ultimately producing person's handwriting color value is target color values.
The color value of the pixel of coincidence is adjusted to target color values by step S27455.
Fig. 3 is a kind of schematic diagram of according to embodiments of the present invention 3 a plurality of person's handwriting coincidence, in this example, red (thin real
Line), blue (air brushing line), yellow (heavy line) three kinds of colors the sequencing of handwriting be red, blue, yellow, therefore, red person's handwriting
For pixel with blue person's handwriting intersection to be red, the pixel of yellow person's handwriting and blue person's handwriting intersection is yellow, red pen
Mark and the pixel of yellow person's handwriting intersection are yellow.
Fig. 4 is a kind of process of the handwriting processing method of interactive intelligence equipment of according to embodiments of the present invention 1 and embodiment 2
Figure, as shown in connection with fig. 4, this method comprises:
Step S41, user generate person's handwriting and save.
Specifically, user's generation person's handwriting, which can be user, passes through the equipment such as time writer or finger in the touching of interactive intelligence equipment
It touches frame and submits a written statement to a higher authority and paint from life into person's handwriting.After user issues preservation instruction to interactive intelligence equipment, interactive intelligence equipment starts to save current
The person's handwriting of display interface.The process of preservation is shown in step S42.
Step S42, identifies the handwriting handled one by one.
In above-mentioned steps S42, the person's handwriting parameter handled for obtaining person's handwriting of identifying the handwriting, specific acquisition modes can be with
It is as follows
It thus needs to identify the handwriting to be handled, to obtain the straight line person's handwriting and curve person's handwriting that meet svg grammer.
If 1, the non-first control point An and first control point A1 of person's handwriting are default less than first to the difference in x-axis direction
Value, the difference in y-axis direction less than second and are arranged, it is determined that the person's handwriting is straight line, and two passes are generated for the person's handwriting
Key point object removes all control points between first control point A1 and the last one control point, only retains A1 and the last one
Control point, and the type for recording the person's handwriting is Line (first kind).
If 2, person's handwriting is unsatisfactory for the condition in 1, it is determined that the person's handwriting is a curve.It is carried out using Cubic kolmogorov's differential system anti-
It pushes away, to obtain the key point of curve.Corresponding crucial point object generated to each key point, record type is Bezier (the
Two types).
Step S43 carries out Pixel-level operations to background image by DDA algorithm.
Specifically, above-mentioned background image is the background image saved simultaneously when saving the person's handwriting parameter of person's handwriting, DDA algorithm
It is a kind of differential equation next life straight method based on straight line in computer graphics, by DDA algorithm, to background image
Pixel operated, to restore former display display interface, that is, include the display interface of handwriting trace.
Embodiment 3
According to embodiments of the present invention, a kind of embodiment of the person's handwriting processing unit of interactive intelligence equipment is provided, Fig. 5 is root
According to the flow chart of the person's handwriting processing unit of the interactive intelligence equipment of the embodiment of the present invention.
Receiving module 50, for receiving preservation instruction, wherein preservation instruction is used to indicate interactive intelligence equipment and saves currently
The person's handwriting of display interface.
For module 52, for obtaining the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter includes: person's handwriting type and key point
Property parameters, key point be person's handwriting control point in multiple points.
Memory module 54, for storing the corresponding person's handwriting parameter of person's handwriting.
Optionally, according to the above embodiments of the present application, the type of person's handwriting includes: the first kind and Second Type, in person's handwriting
In the case that parameter is person's handwriting type, the person's handwriting parameter of person's handwriting is obtained, comprising:
Detection sub-module, the coordinate at all control points for detecting person's handwriting；
First determines submodule, if meeting default item for the first control point of person's handwriting and the relationship at non-first control point
Part, it is determined that person's handwriting is the first kind, wherein preset condition is；Each non-first control point and first control point are in the first dimension
The difference in the second dimension is small less than the first preset value or each non-first control point and first control point for difference on degree
In second and setting；
Second determines submodule, if the relationship at first control point and non-first control point for person's handwriting is unsatisfactory for presetting
Condition, it is determined that person's handwriting is Second Type.
Optionally, according to the above embodiments of the present application, the property parameters of key point include: the coordinate and key point of key point
Color value, person's handwriting parameter be key point property parameters in the case where, obtain the person's handwriting parameter of person's handwriting, comprising:
Third determines submodule, for determining the key point of person's handwriting.
Acquisition submodule, for obtaining the coordinate of key point and the color value of key point.
Optionally, according to the above embodiments of the present application, in the case where the type of person's handwriting is the first kind, third determines son
Module includes:
First determination unit, for determining first control point and the last one control point of person's handwriting for the key point of person's handwriting.
Optionally, according to the above embodiments of the present application, in the case where the type of person's handwriting is Second Type, third determines son
Module includes:
It is counter to push away unit, for by Cubic kolmogorov's differential system identify the handwriting it is counter pushed away, obtain the key point of person's handwriting.
Optionally, according to the above embodiments of the present application, above-mentioned apparatus further include: by the seat of the type of person's handwriting, key point
Mark and the color value of key point is corresponding with person's handwriting store after, recovery module, for restoring person's handwriting, wherein recovery module includes:
Acquisition submodule, the coordinate of the key point for obtaining person's handwriting from the person's handwriting parameter of person's handwriting；
Submodule is calculated, for extrapolating each picture of person's handwriting according to the coordinate of the key point of person's handwriting by pre-defined algorithm
Coordinate of the vegetarian refreshments on background image；
Submodule is restored, restores person's handwriting for coordinate of each pixel according to person's handwriting on background image.
Optionally, according to the above embodiments of the present application, calculate that submodule includes:
First acquisition unit, for obtaining the type of person's handwriting from the person's handwriting parameter of person's handwriting.
Second determination unit passes through the seat at the first control point of person's handwriting if the type for person's handwriting is the first kind
The straight line that mark and the coordinate at the last one control point are constituted determines the coordinate of each pixel of the person's handwriting on background image；
Third determination unit, if the type for person's handwriting is Second Type, by DDA algorithm according to the key of person's handwriting
The coordinate of point, determines the coordinate of each pixel of the person's handwriting on background image.
Optionally, according to the above embodiments of the present application, restoring submodule includes:
Second acquisition unit, for obtaining the corresponding color value of person's handwriting from the person's handwriting parameter of person's handwriting；
Searching unit is searched on background image for the coordinate of each pixel according to person's handwriting on background image
Each pixel of person's handwriting；
Adjustment unit is adjusted to the color value of person's handwriting for the color value to the pixel found.
Optionally, according to the above embodiments of the present application, a plurality of person's handwriting in current display interface has the pixel being overlapped
In the case where point, adjustment unit includes:
Subelement is determined, for determining that the color value of the person's handwriting ultimately produced in a plurality of person's handwriting is target color values；
Subelement is adjusted, for the color value of the pixel of coincidence to be adjusted to target color values.
Embodiment 4
According to embodiments of the present invention, a kind of storage medium is provided, which is characterized in that storage medium includes the journey of storage
Sequence, wherein equipment where control storage medium executes following steps in program operation: receiving and saves instruction, wherein preservation refers to
It enables and is used to indicate the person's handwriting that interactive intelligence equipment saves current display interface；Obtain the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter
It include: the property parameters of person's handwriting type and key point, key point is multiple points in the control point of person's handwriting；It is corresponding to store person's handwriting
Person's handwriting parameter.
Embodiment 5
According to embodiments of the present invention, a kind of processor is provided, which is characterized in that processor is for running program, wherein
Program executes following steps when running: receiving preservation instruction, wherein preservation instruction is used to indicate interactive intelligence equipment and saves currently
The person's handwriting of display interface；Obtain the person's handwriting parameter of person's handwriting, wherein person's handwriting parameter includes: the attribute ginseng of person's handwriting type and key point
Number, key point are multiple points in the control point of person's handwriting；Store the corresponding person's handwriting parameter of person's handwriting.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (12)
1. a kind of handwriting processing method of interactive intelligence equipment characterized by comprising
It receives and saves instruction, wherein the preservation instruction is used to indicate the person's handwriting that interactive intelligence equipment saves current display interface；
Obtaining the person's handwriting parameter of the person's handwriting, wherein the person's handwriting parameter includes: the property parameters of person's handwriting type and key point,
The key point is multiple points in the control point of the person's handwriting；
Store the corresponding person's handwriting parameter of the person's handwriting.
2. the method according to claim 1, wherein the type of the person's handwriting includes: the first kind and the second class
Type obtains the person's handwriting parameter of the person's handwriting in the case where the person's handwriting parameter is the person's handwriting type, comprising:
Detect the coordinate at all control points of the person's handwriting；
If the relationship at the first control point of the person's handwriting and non-first control point meets preset condition, it is determined that the person's handwriting is
The first kind, wherein the preset condition is；Each non-first control point and difference of the first control point in the first dimension are small
The is both less than in the first preset value or each non-first control point and difference of the first control point in the second dimension
Two with setting；
If the relationship at the first control point of the person's handwriting and non-first control point is unsatisfactory for preset condition, it is determined that the person's handwriting
For Second Type.
3. according to the method described in claim 2, it is characterized in that, the property parameters of the key point include: the key point
Coordinate and the key point color value, in the case where the person's handwriting parameter is the property parameters of key point, described in acquisition
The person's handwriting parameter of person's handwriting, comprising:
Determine the key point of the person's handwriting；
Obtain the coordinate of the key point and the color value of the key point.
4. according to the method described in claim 3, it is characterized in that, the type of the person's handwriting be the first kind in the case where,
Determine the key point of the person's handwriting, comprising:
First control point and the last one control point for determining the person's handwriting are the key point of the person's handwriting.
5. according to the method described in claim 3, it is characterized in that, the type of the person's handwriting be Second Type in the case where,
Determine the key point of the person's handwriting, comprising:
It is pushed away by the way that Cubic kolmogorov's differential system is counter to the person's handwriting, obtains the key point of the person's handwriting.
6. the method according to claim 1, wherein by the coordinate of the type of the person's handwriting, the key point
After the storage corresponding with the person's handwriting of the color value of the key point, the method also includes: restore the person's handwriting, wherein
The step of restoring the person's handwriting include:
The coordinate of the key point of the person's handwriting is obtained from the person's handwriting parameter of the person's handwriting；
Each pixel of the person's handwriting is extrapolated in background according to the coordinate of the key point of the person's handwriting by pre-defined algorithm
Coordinate on image；
The person's handwriting is restored according to coordinate of each pixel of the person's handwriting on the background image.
7. according to the method described in claim 6, it is characterized in that, by pre-defined algorithm, according to the key point of the person's handwriting
Coordinate extrapolates coordinate of each pixel of the person's handwriting on background image, comprising:
The type of the person's handwriting is obtained from the person's handwriting parameter of the person's handwriting；
If the type of the person's handwriting is the first kind, pass through the coordinate at the first control point of the person's handwriting and the last one control
The straight line that the coordinate of system point is constituted determines the coordinate of each pixel of the person's handwriting on the background image；
If the type of the person's handwriting is Second Type, by DDA algorithm according to the coordinate of the key point of the person's handwriting, determine
The coordinate of each pixel of the person's handwriting on the background image.
8. the method according to the description of claim 7 is characterized in that according to each pixel of the person's handwriting in the Background
As upper coordinate restores the person's handwriting, comprising:
The corresponding color value of the person's handwriting is obtained from the person's handwriting parameter of the person's handwriting；
According to the coordinate of each pixel of the person's handwriting on the background image, the pen is searched on the background image
Each pixel of mark；
The color value of the person's handwriting is adjusted to the color value of the pixel found.
9. the method according to the description of claim 7 is characterized in that a plurality of person's handwriting in the current display interface has weight
In the case where the pixel of conjunction, the color value of the person's handwriting is adjusted to the color value of the pixel found, comprising:
The color value for determining the person's handwriting ultimately produced in a plurality of person's handwriting is target color values；
The color value of the pixel of the coincidence is adjusted to the target color values.
10. a kind of person's handwriting processing unit of interactive intelligence equipment characterized by comprising
Receiving module, for receiving preservation instruction, wherein the preservation instruction is used to indicate interactive intelligence equipment and saves current show
Show the person's handwriting at interface；
For module, for obtaining the person's handwriting parameter of the person's handwriting, wherein the person's handwriting parameter includes: person's handwriting type and key
The property parameters of point, the key point are multiple points in the control point of the person's handwriting；
Memory module, for storing the corresponding person's handwriting parameter of the person's handwriting.
11. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program
When control the storage medium where equipment execute following steps: receive and save instruction, wherein preservations is instructed and be used to indicate
The person's handwriting of interactive intelligence equipment preservation current display interface；Obtain the person's handwriting parameter of the person's handwriting, wherein the person's handwriting parameter packet
Include: the property parameters of person's handwriting type and key point, the key point are multiple points in the control point of the person's handwriting；Described in storage
The corresponding person's handwriting parameter of person's handwriting.
12. a kind of processor, which is characterized in that the processor is for running program, wherein executed such as when described program is run
Lower step: it receives and saves instruction, wherein the preservation instruction is used to indicate the pen that interactive intelligence equipment saves current display interface
Mark；Obtain the person's handwriting parameter of the person's handwriting, wherein the person's handwriting parameter includes: the property parameters of person's handwriting type and key point, institute
State multiple points in the control point that key point is the person's handwriting；Store the corresponding person's handwriting parameter of the person's handwriting.
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| CN201810812651.9A CN109062491A (en) | 2018-07-23 | 2018-07-23 | The handwriting processing method and device of interactive intelligence equipment |
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| CN201810812651.9A CN109062491A (en) | 2018-07-23 | 2018-07-23 | The handwriting processing method and device of interactive intelligence equipment |
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Application publication date: 20181221 |
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