CN110753904A - Writing interaction method and device, electronic device and computer readable storage medium - Google Patents

Writing interaction method and device, electronic device and computer readable storage medium Download PDF

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Publication number
CN110753904A
CN110753904A CN201780092160.5A CN201780092160A CN110753904A CN 110753904 A CN110753904 A CN 110753904A CN 201780092160 A CN201780092160 A CN 201780092160A CN 110753904 A CN110753904 A CN 110753904A
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current
writing
track
touch screen
trajectory
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Chinese (zh)
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李金鑫
付洋
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Shenzhen Royole Technologies Co Ltd
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Shenzhen Royole Technologies Co Ltd
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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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

A writing interaction method is used for a writing interaction device, an electronic device and a computer readable storage medium; the electronic device includes a touch screen and a memory storing a current trajectory of writing strokes representing a character. The writing interaction method comprises the following steps: s12: reading the current track; s14: controlling the touch screen to display the current track; s16: reading a current touch track detected by the touch screen; s18: calculating the current touch track and the deviation degree value of the current track; s1 a: and calculating the copy score of the character according to the deviation degree value. The writing interaction method, the writing interaction device, the electronic device and the computer readable storage medium can be used for grading writing while guiding writing, so that interactive pleasure is improved while practicability is guaranteed, and users can be helped to improve correct writing ability.

Description

Writing interaction method and device, electronic device and computer readable storage medium Technical Field
The present invention relates to electronic devices, and more particularly, to a writing interaction method and device, an electronic device, and a computer-readable storage medium.
Background
When a user writes, the user does not understand the stroke order or cannot control handwriting, the error degree of the stroke order and the deviation degree of the handwriting cannot be evaluated, and the learning progress is not large.
Disclosure of Invention
In view of the above, the present invention provides a writing interaction method and apparatus, an electronic apparatus, and a computer-readable storage medium.
The writing interaction method is used for the electronic device. The electronic device includes a touch screen and a memory storing a current trajectory of writing strokes representing a character. The writing interaction method comprises the following steps:
reading the current track;
controlling the touch screen to display the current track;
reading a current touch track detected by the touch screen;
calculating the current touch track and the deviation degree value of the current track; and
and calculating the copy score of the character according to the deviation degree value.
The writing interaction device is used for an electronic device. The electronic device includes a touch screen and a memory storing a current trajectory of writing strokes representing a character. The writing interaction device comprises a first reading module, a display control module, a second reading module and a calculating module. The first reading module is used for reading the current track. The display control module is used for controlling the touch screen to display the current track. The second reading module is used for reading the current touch track detected by the touch screen. The calculation module is used for calculating the deviation degree value of the current touch track and the current track and calculating the copying score of the character according to the deviation degree value.
The electronic device comprises a touch screen, a memory and the writing interaction device. The memory stores a current trajectory of writing strokes representing a character.
The electronic device of the embodiment of the invention comprises a touch screen, a processor and a memory. A memory storing a current trajectory of writing strokes representing a character, and a computer program executable on the processor. The computer program, when executed by the processor, implements the steps of the writing interaction method described above.
The computer readable storage medium of an embodiment of the present invention stores one or more programs executable by a processor. The one or more programs, when executed by the processor, implement the steps in the writing interaction method described above.
The writing interaction method, the writing interaction device, the electronic device and the computer readable storage medium can mark writing while guiding writing, improve interaction pleasure while ensuring practicability, and accordingly help users improve correct writing ability.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flow chart of a writing interaction method according to some embodiments of the present invention;
FIG. 2 is a schematic view of an electronic device according to some embodiments of the invention;
FIG. 3 is a detailed diagram illustrating a sub-flow of step S14 shown in FIG. 1 according to one embodiment;
FIG. 4 is a flow chart illustrating a writing interaction method according to another embodiment of the present invention;
FIG. 5 is a detailed diagram illustrating a sub-flow of step S17 shown in FIG. 4 according to an embodiment of the present invention;
FIG. 6 is a detailed diagram illustrating a sub-flow of step S18 shown in FIG. 4 according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of coordinates of feature points of a writing interaction method in accordance with certain embodiments of the invention;
FIG. 8 is a flow chart illustrating a writing interaction method according to another embodiment of the present invention;
FIG. 9 is a detailed diagram of a sub-process of the icon S1a shown in FIG. 4 according to an embodiment of the present invention.
Description of the main element symbols:
the electronic device 100, the writing interaction device 10, the timing module 11, the first reading module 12, the display control module 14, the second reading module 16, the calculation module 18, the touch screen 20, the memory 30, and the processor 40.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The carriers of the existing writing interaction method comprise copy books, electronic black/white boards, writing guide pens, mobile phones and tablet computers. The user copies according to the tracing pen shown by the dotted line. Most users can only visually judge whether writing has deviation by naked eyes during copying. Some electronic devices may alert the user of a serious writing error, and the user still cannot quickly determine the written specification value. The copying needs a long time. In the copying process, effective copying feedback and an interactive link are not available, and a user is easy to feel dry, so that the interest of the user is reduced.
Referring to fig. 1 and fig. 2 together, the writing interaction method according to the embodiment of the invention can be implemented by the writing interaction device 10 according to the embodiment of the invention, and can be used in the electronic device 100 and the computer-readable storage medium according to the embodiment of the invention. Alternatively, the electronic device 100 of the present invention may include the writing interaction device 10.
In the writing interaction method according to the embodiment of the present invention, the electronic device 100 may further include a touch screen 20 and a memory 30. The memory 30 stores a current trajectory of writing strokes representing a character. The writing interaction method comprises the following steps:
s12: reading the current track;
s14: controlling the touch screen to display the current track;
s16: reading a current touch track detected by the touch screen;
s18: calculating the current touch track and the deviation degree value of the current track; and
s1 a: and calculating the copy score of the character according to the deviation degree value.
The writing interaction device 10 of the embodiment of the invention includes a first reading module 12, a display control module 14, a second reading module 16 and a calculating module 18. The first reading module 12 sequentially reads a plurality of tracks. The display control module 14 controls the touch screen 20 to display the current trajectory. The second reading module 14 reads the current touch trajectory detected by the touch screen 20. The calculating module 18 is configured to calculate a deviation degree value between the current touch trajectory and the current trajectory, and calculate a copy score of the character according to the deviation degree value.
That is, step S12 may be implemented by the first reading module 12. Step S14 may be implemented by the display control module 14. Step S16 may be implemented by the second reading module 16. Step S18 and step S1a may be implemented by the calculation module 18.
The electronic device 100 of the present embodiment may further include a processor 40. The memory 30 stores a current trajectory of the written strokes representing the character, and a computer program that is executable on the processor 40. The first reading module 12, the display control module 14, the second reading module 16, and the calculating module 18 may be one or more programs stored in the memory 30. The computer program, when executed by the processor 40, implements the steps of the writing interaction detection method described above.
The computer-readable storage medium of an embodiment of the present invention stores one or more programs executable by the processor 40. The one or more programs, when executed by the processor 40, implement the steps in the writing interaction method described above.
The writing interaction method, the writing interaction device 10, the electronic device 100 and the computer-readable storage medium according to the embodiments of the present invention can score writing while guiding writing, improve interactive pleasure while ensuring practicability, and thus can help a user improve correct writing ability.
In some embodiments, the electronic device 100 may be a mobile phone, a tablet computer, or a child learning machine.
The written character stroke includes a plurality of time-sequentially associated trajectories including a current trajectory and a next trajectory arranged in sequence. The current trajectory may be the stroke that the user currently needs to write, and the next trajectory may be the next stroke that the user book is to write after completing the current trajectory.
Referring to fig. 3, in some embodiments, the step of controlling the touch screen to display the current track in step S14 further includes the following steps:
s142: controlling the touch screen to display a current track in a first color; and
s144: and controlling the touch screen to display the next track in a second color different from the first color.
Specifically, the processor 40 controls the touch screen 20 to display the structure of the character and the sequence of strokes in time sequence. The current track and the next track can be displayed in different colors, so that the user can quickly distinguish the current track from the next track.
Referring to fig. 4, in some embodiments, the writing interaction method further includes the following steps after step S16:
s17: and controlling the touch screen to display the current touch track.
Referring to fig. 5, in some embodiments, step S17 specifically includes:
s172: controlling the touch screen to display the current touch trajectory in a third color different from the current trajectory.
It is understood that the current touch trajectory refers to a user's writing trace on the touch screen 20. In the copying process, the current touch track can be overlapped with the current track. The processor 40 controls the touch screen 20 to display the current touch trajectory in a third color different from the first color identifying the current trajectory and the second color identifying the next trajectory. So that the user can visually observe his own writing trace.
To better let the user distinguish between the current trace, the next trace and the current touch trace, the following example may be referred to for the three colors of the trace display. In one embodiment, the first, second and third colors differ only in the depth of the color. For example, the color depth of the second color is set smaller than the color depth of the first color, and the color depth of the first color is set smaller than the color depth of the third color. In another embodiment, the first, second and third colors are three different colors. For example, the second color is taken to be gray, the first color is yellow, and the third color is black.
Referring to fig. 6, in some embodiments, the current trajectory includes a plurality of feature points, and step S18 specifically includes:
s182: detecting the number of times that the current touch track is overlapped with the coordinates of the plurality of feature points;
s184: and calculating the deviation degree value according to the overlapping times.
Step S182 may be implemented by the second reading module 16, and step S184 may be implemented by the calculating module 18.
It is understood that the current trajectory includes a plurality of discrete points, and calculating a plurality of deviation values increases the amount of computation of the processor 40, which affects the output time of the copy score. From a macroscopic perspective, a character is composed of basic strokes. From a microscopic point of view, the basic stroke is composed of points, so that the basic stroke includes at least two points, i.e., a start point and an end point, and the partial stroke further includes a turning point. The writing interaction device 10 may extract coordinates of feature points of the strokes, such as start point coordinates, turning point coordinates, and end point coordinates. The feature point coordinates are used for replacing all coordinates of the current track, the number of times of overlapping of the current touch track and the coordinates of the feature points is calculated, the calculated amount of deviation degree values can be effectively reduced, and the output speed of the copy score is increased.
In addition, the deviation degree value is used for representing the deviation condition of the current touch track and the current track. The deviation metric is inversely related to the norm metric. The larger the deviation degree value is, the smaller the coincidence degree of the current touch trajectory and the current trajectory is, and the smaller the specification value is. The smaller the deviation degree value is, the larger the coincidence degree of the current touch track is, and the larger the specification value is. In order to enable a user to directly know the writing specification value of each stroke, the writing interaction method in the embodiment of the invention sets the deviation degree value in advance.
Specifically, assuming that the number of the feature points is M, the number of times that the touch screen 20 detects that the current touch trajectory overlaps with the coordinates of the plurality of feature points is N, and the deviation degree value is a, the deviation degree value calculation formula is as follows: and A is (1-N/M). When the current touch trajectory completely coincides with the feature point coordinates, N equals M, and N/M equals 1, that is, a equals 0.
In order to make the advantage of the feature coordinate in calculating the deviation degree value more clear to those skilled in the art, the specific principle is described below by taking "permanent" as an example.
Referring to FIG. 7, the first stroke of the "permanent" word is "dot". The "point" refers to the current trajectory in the present embodiment. The current track comprises 3 characteristic points with coordinates (X) respectively5，Y5)、(X6，Y6) And (X)7，Y7). After detection, the corresponding coordinates of 7 points of the current touch track are sequentially (X)0，Y0)、(X1，Y1)、(X2，Y2)、(X3，Y3)、(X4，Y4)、(X6，Y6)、(X7，Y7)、(X8，Y8)、(X9，Y9)、(X10，Y10). The number of times of coincidence of the coordinates of the current touch trajectory and the characteristic coordinates is 2, and is (X) respectively6，Y6) And (X)7，Y7). Therefore, the deviation degree value a of the current touch trajectory from the current trajectory is (1-2/3) 1/3. The calculation module 18 has high processing speed for simple addition, subtraction, multiplication and division, and can calculate out the result quicklyThe degree of deviation value of each stroke of "permanent". Therefore, all coordinates of the current coordinate track are replaced by the characteristic coordinates, the calculated amount of the deviation degree value can be effectively reduced, and the output speed of the copy score is increased.
In some embodiments, the writing interaction method may further include controlling the prompt writing type after obtaining the deviation degree value of the current touch trajectory from the current trajectory.
First, a deviation threshold is set, which represents the ideal deviation degree of the current touch trajectory from the current trajectory. Taking the deviation threshold size equal to 0.2 as an example, combine the deviation degree value of the first stroke "point" of the "permanent" character. The degree of deviation of the "point" was 1/3. 1/3 is greater than 0.2, indicating that the current touch trajectory deviates from the current trajectory to a greater extent. When the deviation degree value is larger than the deviation threshold value, the processor 40 controls to prompt the user that the current touch trajectory is wrongly written. The prompting mode can include displaying an error prompt box on the touch screen 20, and also can use a sounder to give out an error voice prompt. In addition to displaying an "error" prompt, the user may be prompted to re-write the current trajectory. When the deviation degree value is smaller than the deviation threshold value, the processor 40 controls to prompt the user that the current writing is correct writing. The prompting mode can include displaying a "correct" prompt box on the touch screen 20, and also can use a sounder to give out a "correct" voice prompt.
Therefore, the user can know the writing condition of the user in real time.
Referring to FIG. 8, in some embodiments, the touch screen 20 is used to detect a touch trajectory. The touch trajectory includes a current touch trajectory and a next touch trajectory. Before step S1a, the writing interaction method further includes the following steps:
s19: and judging whether the character is written completely. In some embodiments, if yes, step S1a is performed; if not, the process returns to step S18.
Specifically, step S19 is to determine whether the character is written according to the writing time of the character. In the embodiment of the invention, the writing interaction method is preset with the writing time of each character. Wherein the preset writing time is related to the ease of writing the character. For example, the pre-set writing time for characters that are difficult to write is longer than the pre-set writing time for characters that are easy to write. And when the actual writing time of the character is greater than the preset writing time, judging that the character is completely written. And when the actual writing time of the character is less than the preset writing time, judging that the character is not written completely.
The preset writing time is timed from the completion of loading the entire character. The writing apparatus 100 may display a countdown of writing time on the touch screen 20. The countdown reminds the user of needing to learn to write within a specified time, so that the concentration of the user can be improved.
In some embodiments, if the user has written the entire character within the predetermined writing time, the remaining time may allow the touch screen 20 to replay the entire writing process, so as to allow the user to enhance the memory of the character. A prompt box may also appear on the touch screen 20 to prompt the user to select a next operation. The content of the prompt box can be: writing the next character; or re-write the current character or quit writing.
And if the user does not write the whole character within the preset writing time. Given that the user does not continue with the current writing for various reasons during the writing process, a prompt box prompt may appear on the touch screen 20 to let the user select the next operation. The content of the prompt box can be: stopping current writing and keeping a current writing track; or re-write the current character. When the user chooses not to select the content in the prompt box, the processor 40 automatically jumps to refresh the current character after a period of time.
In some embodiments, the user's actual writing time may also be displayed on the touch screen 20. The actual writing time of the user takes the reading of the whole character as the starting time, and the time after the user selects one of the operations is the ending time. In this manner, the user can intuitively compare his or her writing time with the writing time set by the writing interaction device 10.
Referring to fig. 9, in some embodiments, step S1a specifically includes the following steps:
s1a 2: and calculating the average value of the deviation degree values to obtain a corresponding copy score.
Specifically, one word corresponds to a plurality of tracks, and the plurality of tracks correspond to a plurality of deviation degree values. The copy score represents a degree of specification of the entire word and is associated with a plurality of deviation degree values. The calculation module 18 passes the calculated plurality of deviation metric values to the processor 40. Step S1a2 calculates an average value of the deviation degree values to obtain a copy score, which represents that the processor 40 operates on a plurality of deviation degree values. Continuing with the character "permanent" as an example, in the present embodiment, "permanent" includes 5 handwriting, corresponding to 5 deviation degree values, which are sequentially a1, a2, A3, a4, and a 5. Assuming that the size of the copy score is P, then
P＝[1-(A1+A2+A3+A4+A5)/5]×100％。
In certain embodiments, step S1a2 is further followed by the steps of:
s1a 4: according to the score range of the copying score, dividing the writing score grade and generating a writing evaluation corresponding to the copying score; and
s1a 6: and controlling and displaying the copying score, the writing score grade and/or the writing evaluation.
It is understood that S1a4 may be implemented by the processor 40, and that S1a6 may control the touch screen 20 to display the facsimile score, the writing achievement level, and/or the writing evaluation by the processor 40.
The copy score may be a writing score grade divided according to a score range. The writing performance grades comprise excellent, good, medium, passing and failing. The prompt comprises a copy score, a writing score grade corresponding to the copy score and a corresponding writing evaluation. The manner of prompting includes presenting a performance box on the touch screen 20. In some embodiments, a sound generator may also be used to generate a performance cue. Further, when it is recognized that the copy score value is large, the processor 40 may control the touch screen 20 to display a language of the reward and/or control the sound generator to play a light music. When a lower copy score value is identified, the processor 40 may control the touch screen 20 to display the encouragement language and/or control the enunciator to play encouragement music.
The following is an embodiment of the writing interaction device 10 provided by the present invention. The embodiment of the writing interaction apparatus 10 is the same as the embodiment of the writing interaction method, and reference may be made to the embodiment of the writing interaction method in the embodiment of the writing interaction apparatus 10 for details not described in detail.
Referring to fig. 2 again, the writing interaction apparatus 10 according to the embodiment of the present invention includes a first reading module 12, a display control module 14, a second reading module 16, and a calculating module 18. The writing interaction device 10 may be implemented using hardware and/or software.
Specifically, the first reading module 12 is configured to sequentially read a plurality of tracks. The first reading module 12 in turn reads the current trajectory of the writing strokes representing the character stored on the memory 30. The read content includes the structure and order of the current track. The reading of the content further includes reading coordinates of a feature point of the current trajectory.
The display control module 14 is configured to control the touch screen 20 to display the current track. The display control module 14 is configured to control the touch screen 20 to display the current track in a first color, display the next track in a second color, and display the current touch track in a third color. The first color, the second color, and the third color are different from each other. Preferably, the first color is darker than the second color and the third color is darker than the third color.
The second reading module 16 is configured to read parameters of a current touch trajectory detected on the touch screen 20. The parameters of the current touch trajectory that are read include, but are not limited to, direction, length, and duration of the touch operation. The duration of the touch operation is the actual writing time of a character. In the embodiment of the present invention, the current touch trajectory direction and length may be expressed by coordinates.
In some embodiments, the second reading module 16 can also read the pressure magnitude of the current touch trajectory. The second reading module 16 may be a pressure sensor. The pressure magnitude of the current touch trajectory may be displayed on the touch screen 20 as the thickness of the current touch trajectory.
The calculating module 18 is configured to calculate a deviation degree value between the current touch trajectory and the current trajectory. Specifically, the calculation module 18 takes the number of times that the current touch trajectory overlaps with the plurality of feature coordinates as the deviation degree value. The plurality of tracks have a corresponding plurality of deviation metric values. After the second reading module 16 detects the number of times that the current touch trajectory overlaps with the plurality of feature points, the calculating module 18 calculates to obtain the deviation degree value according to a formula of the deviation degree value in the embodiment of the present invention (the formula of the deviation degree value is that a is (1-N/M), where a is the deviation degree value, M is the number of the feature points, and N is the number of times that the current touch trajectory overlaps with the plurality of feature points).
The calculating module 18 is further configured to calculate a copy score of the character according to the deviation degree value. After inputting the deviation degree values, the calculating module 18 calculates the copy score according to the formula of the copy score in the embodiment of the present invention (the formula of the copy score is P ═ 1- (a1+ a2+ A3+ a4+ a5+ … … + Ap)/P ] × 100%, where P represents the total number of the trajectories, and a1, a2, A3, a4, a5, … …, and Ap sequentially represent the deviation degree values of the pth trajectory).
In some embodiments, the writing interaction device 10 further includes a timing module 11. The second reading module 16 passes one or more parameters of the detected touch trajectory (e.g., actual writing time) to the timing module 11. The timing module 11 is used for judging whether the user completes writing the whole character within the writing time. When the timing module 11 determines that the actual writing time is longer than the preset writing time, it is determined that the character has been written. At this time, the calculation module 18 calculates a copy score of the character based on the deviation degree value. When the timing module 11 determines that the actual writing time is less than the preset writing time, it is determined that the character is not written. At this time, the calculation module 18 calculates a deviation degree value of the current touch trajectory from the current trajectory.
The functions of the touch screen 20 include a display function and a detection function. The display function includes displaying the current trajectory and the current touch trajectory in different colors, and further includes displaying a copy score, a writing achievement level, and/or a writing evaluation. The detection function includes detecting a touch trajectory touched on the touch screen 20. Wherein the touch trajectory includes a current touch trajectory and a next touch trajectory. The touch screen 20 passes the detected parameters to the processor 40.
The memory 30 is used to store the current trajectory of the written strokes representing the character. A writing stroke includes a plurality of time-sequentially associated traces. The track includes a current track and a next track arranged in sequence. The memory 30 is also used for storing a plurality of deviation degree values and copying scores calculated by the calculation module 18.
The electronic device 100 according to the embodiment of the present invention may further include a processor 40, and the first reading module 12, the display control module 14, the second reading module 16, and the calculating module 18 may be one or more programs stored on the memory 30, and when running on the processor 40, the processor 40 may be configured to perform all the steps of the writing interaction method provided in the embodiment of the present invention.
The computer readable storage medium of an embodiment of the present invention stores one or more programs executable by a processor. The one or more programs, when executed by the processor, implement the steps in the writing interaction method described above.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (17)

  1. A writing interaction method for an electronic device, wherein the electronic device comprises a touch screen and a memory, the memory stores a current trajectory of writing strokes representing a character, the writing interaction method comprises the steps of:
    reading the current track;
    controlling the touch screen to display the current track;
    reading a current touch track detected by the touch screen;
    calculating the current touch track and the deviation degree value of the current track; and
    and calculating the copy score of the character according to the deviation degree value.
  2. The writing interaction method of claim 1, wherein the writing stroke comprises a plurality of time-series associated tracks, the tracks comprise the current track and a next track arranged in sequence, and the step of controlling the touch screen to display the current track specifically comprises the steps of:
    controlling the touch screen to display the current track in a first color;
    the writing interaction method further comprises the following steps after the step of controlling the touch screen to display the current track:
    controlling the touch screen to display the next track in a second color different from the first color.
  3. The writing interaction method according to claim 1, wherein the step of reading the current touch trajectory detected by the touch screen is followed by the steps of:
    and controlling the touch screen to display the current touch track.
  4. The writing interaction method of claim 3, wherein the step of controlling the touch screen to display the current touch trajectory specifically comprises the steps of:
    controlling the touch screen to display the current touch trajectory in a third color different from the current trajectory.
  5. The writing interaction method of claim 1, wherein the current trajectory comprises a plurality of feature points, and the step of calculating the deviation degree value of the current touch trajectory from the current trajectory comprises the steps of:
    detecting the number of times that the current touch track is overlapped with the coordinates of the plurality of feature points; and
    and calculating the deviation degree value according to the overlapping times.
  6. The handwriting interaction method according to claim 1, further comprising, before said step of calculating a copy score of said character based on said deviation measure value, the steps of:
    and judging whether the character is written completely.
  7. The writing interaction method of claim 6, wherein the step of determining whether the character is written comprises the steps of:
    if the character is judged to be written, executing the copying score of the character calculated according to the deviation degree value; or
    And if the character is judged not to be written completely, returning to the step of calculating the deviation degree value of the current touch track and the current track.
  8. The writing interaction method according to claim 1, wherein the step of calculating the copy score of the character according to the deviation degree value specifically comprises the steps of:
    and calculating the average value of the deviation degree values to obtain a corresponding copy score.
  9. The method of claim 1, wherein the step of calculating a copy score of the character based on the deviation measure value further comprises the steps of:
    according to the score range of the copying score, dividing the writing score grade and generating a writing evaluation corresponding to the copying score; and
    and controlling and displaying the copying score, the writing score grade and/or the writing evaluation.
  10. A writing interaction device for an electronic device, the electronic device including a touch screen and a memory, wherein the memory stores a current trajectory of writing strokes representing a character, the writing interaction device comprising:
    the first reading module is used for reading the current track;
    the display control module is used for controlling the touch screen to display the current track;
    the second reading module is used for reading the current touch track detected by the touch screen;
    a calculation module to:
    calculating a deviation degree value of the current touch track and the current track; and
    and calculating the copy score of the character according to the deviation degree value.
  11. The writing interaction device of claim 10, wherein the stroke comprises a plurality of time-sequentially associated traces, the traces comprising the current trace and a next trace arranged in sequence, and wherein the display control module is further configured to:
    controlling the touch screen to display the current track in a first color; and
    controlling the touch screen to display the next track in a second color different from the first color.
  12. The interactive writing instrument of claim 11, wherein the display control module is further configured to:
    controlling the touch screen to display the current touch trajectory in a third color different from the first color of the current trajectory and the second color of the next trajectory.
  13. The writing interaction device of claim 10, wherein the current trajectory comprises a plurality of feature points, and the second reading module is further configured to:
    and detecting the number of times that the current touch track is overlapped with the coordinates of the plurality of characteristic points.
  14. The writing interaction device of claim 10, wherein the second reading module is further configured to:
    and judging whether the character is written completely.
  15. An electronic device, comprising:
    a touch screen;
    a memory storing a current trajectory of writing strokes representing a character; and
    the writing interaction device of any one of claims 10-14.
  16. An electronic device, comprising:
    a touch screen;
    a processor;
    a memory storing a current trajectory of writing strokes representing a character, and a computer program executable on the processor;
    the computer program, when executed by the processor, implements the steps in the writing interaction method of any one of claims 1 to 9.
  17. A computer readable storage medium storing one or more programs executable by a processor, the computer readable storage medium characterized in that:
    the one or more programs when executed by the processor implement the steps in the writing interaction method of any of claims 1 to 9.
CN201780092160.5A 2017-09-19 2017-09-19 Writing interaction method and device, electronic device and computer readable storage medium Pending CN110753904A (en)

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