CN113934395B - Method, device and terminal equipment for synchronously displaying books in display screen - Google Patents
Method, device and terminal equipment for synchronously displaying books in display screen Download PDFInfo
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- CN113934395B CN113934395B CN202111216670.3A CN202111216670A CN113934395B CN 113934395 B CN113934395 B CN 113934395B CN 202111216670 A CN202111216670 A CN 202111216670A CN 113934395 B CN113934395 B CN 113934395B
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 29
- 238000004590 computer program Methods 0.000 claims description 21
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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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
- G06F3/1462—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay with means for detecting differences between the image stored in the host and the images displayed on the remote displays
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Abstract
The invention provides a method, a device and terminal equipment for synchronously displaying books in a display screen. The method comprises the following steps: acquiring the handwriting coordinates of a plurality of sampling points with a time sequence relation in the handwriting; dividing the sampling points according to the handwriting coordinates of the blackboard writing corresponding to the sampling points to obtain a transverse handwriting coordinate set and a longitudinal handwriting coordinate set; determining a left neighborhood point, a right neighborhood point, an upper neighborhood point and a lower neighborhood point corresponding to the sampling point; determining longitudinal blackboard writing handwriting of the blackboard writing handwriting according to a left neighborhood point and a right neighborhood point of a sampling point in the longitudinal blackboard writing handwriting coordinate set; determining the transverse blackboard writing handwriting of the blackboard writing handwriting according to an upper neighborhood point and a lower neighborhood point of the sampling point in the transverse blackboard writing handwriting coordinate set; and determining synchronous display handwriting of the writing on the blackboard according to the longitudinal writing on the blackboard and the transverse writing on the blackboard. The invention can improve the authenticity of the handwriting display of the blackboard writing.
Description
Technical Field
The invention relates to the technical field of book synchronization in a display screen, in particular to a method, a device and terminal equipment for book synchronization display in the display screen.
Background
With the development of science and technology, intelligent blackboard is widely applied to teaching or training. The intelligent blackboard comprises a blackboard and a display screen, a teacher uses a writing tool to carry out blackboard writing in the blackboard area, and the display screen can synchronously display the blackboard writing. The display screen is expected to display the blackboard writing accurately and truly, namely the blackboard writing expected to be displayed accords with the actual manual blackboard writing effect.
In the prior art, manual blackboard writing is mostly displayed in a display screen in a mode of continuously sticking blocks. However, by adopting a mode of continuously sticking the blocks to generate handwriting of the manual writing, larger saw teeth can exist, so that writing distortion displayed on the display screen is caused.
Disclosure of Invention
The embodiment of the invention provides a method, a device and terminal equipment for synchronously displaying a board book in a display screen, which are used for solving the problem that the board book displayed by the display screen is distorted due to the fact that larger saw teeth possibly exist in the handwriting of an artificial board book generated by continuously sticking blocks in the prior art.
In a first aspect, an embodiment of the present invention provides a method for synchronously displaying a book in a display screen, including:
acquiring the handwriting coordinates of a plurality of sampling points with a time sequence relation in the handwriting;
dividing the sampling points according to the handwriting coordinates of the blackboard writing corresponding to the sampling points to obtain a transverse handwriting coordinate set and a longitudinal handwriting coordinate set;
for each sampling point, determining a left neighborhood point, a right neighborhood point, an upper neighborhood point and a lower neighborhood point corresponding to the sampling point according to the handwriting coordinates corresponding to the sampling point;
determining longitudinal blackboard writing handwriting of the blackboard writing handwriting according to a left neighborhood point and a right neighborhood point of a sampling point in the longitudinal blackboard writing handwriting coordinate set;
determining the transverse blackboard writing handwriting of the blackboard writing handwriting according to an upper neighborhood point and a lower neighborhood point of the sampling point in the transverse blackboard writing handwriting coordinate set;
and determining synchronous display handwriting of the writing on the blackboard according to the longitudinal writing on the blackboard and the transverse writing on the blackboard.
In one possible implementation, the blackboard writing coordinates are expressed as (x i ,y i ) Wherein x is i 、y i Respectively representing the abscissa and the ordinate of the blackboard writing handwriting corresponding to the ith sampling point;
determining a left neighborhood point, a right neighborhood point, an upper neighborhood point and a lower neighborhood point corresponding to the sampling point according to the handwriting coordinates corresponding to the sampling point, including:
for the writing coordinates (x i ,y i ) Will beLeft neighbor point as the i-th sampling point, will +.>Right neighborhood point as i-th sampling point, will +.>As the ithThe next neighborhood of the sample points will be +.>An upper neighborhood point serving as an ith sampling point; wherein w is a first preset neighborhood positive value, and h is a second preset neighborhood positive value.
In one possible implementation, determining the longitudinal blackboard writing handwriting of the blackboard writing handwriting according to the left neighborhood point and the right neighborhood point of the sampling point in the longitudinal blackboard writing handwriting coordinate set includes:
and connecting left neighborhood points of every two adjacent sampling points in the longitudinal blackboard writing handwriting coordinate set by utilizing a Bezier curve, and connecting right neighborhood points of the two adjacent sampling points in the random time sequence to obtain the longitudinal blackboard writing handwriting of the blackboard writing handwriting.
In one possible implementation, before connecting the left neighborhood point of every arbitrary two sampling points adjacent in time sequence in the longitudinal blackboard writing handwriting coordinate set by using the bezier curve, and connecting the right neighborhood points of the arbitrary two sampling points adjacent in time sequence, the method further includes:
judging whether any two sampling points in the longitudinal blackboard writing handwriting coordinate set are adjacent or not;
if the absolute value of the time sequence difference of the two sampling points is smaller than or equal to a first preset threshold value, judging that the two sampling points are adjacent.
In one possible implementation, determining the lateral blackboard writing handwriting of the blackboard writing handwriting according to an upper neighborhood point and a lower neighborhood point of the sampling point in the lateral blackboard writing handwriting coordinate set includes:
and connecting the upper neighborhood points of every any two sampling points in the transverse blackboard writing handwriting coordinate set by utilizing a Bezier curve, and connecting the lower neighborhood points of the sampling points adjacent to any two time sequences to obtain the transverse blackboard writing handwriting of the blackboard writing handwriting.
In one possible implementation, before connecting the upper neighborhood points of every arbitrary two sampling points adjacent in time sequence in the horizontal blackboard writing handwriting coordinate set by using the bezier curve, and connecting the lower neighborhood points of the arbitrary two sampling points adjacent in time sequence, the method further includes:
judging whether any two sampling points in the transverse blackboard writing handwriting coordinate set are adjacent or not;
and if the absolute value of the time sequence difference of the two sampling points is smaller than or equal to a second preset threshold value, judging that the two sampling points are adjacent.
In one possible implementation, determining a synchronous display script of the writing script according to the longitudinal writing script and the transverse writing script includes:
determining a first sampling point and a last sampling point of the blackboard writing handwriting according to the time sequences corresponding to the sampling points;
generating a first semi-closed area according to the left neighborhood point and the right neighborhood point of the first sampling point; the first semi-closed area is used for representing a pen starting area of a starting point of the blackboard writing handwriting;
generating a second semi-closed area according to the left neighborhood point and the right neighborhood point of the last sampling point; the second semi-closed area is used for representing a stroke end area of an end point of the blackboard writing handwriting;
generating a closed handwriting area of the writing on the basis of the first semi-closed area and the second semi-closed area by combining the longitudinal writing on the blackboard and the transverse writing on the blackboard;
and filling the closed handwriting area to obtain the synchronous display handwriting of the on-board handwriting.
In a second aspect, an embodiment of the present invention provides a device for synchronously displaying a book in a display screen, including:
the acquisition module is used for acquiring the blackboard writing handwriting coordinates of a plurality of sampling points with time sequence relations corresponding to the blackboard writing handwriting;
the division module is used for dividing the sampling points according to the blackboard writing handwriting coordinates corresponding to the sampling points to obtain a transverse blackboard writing handwriting coordinate set and a longitudinal blackboard writing handwriting coordinate set;
the fixed point module is used for determining a left neighborhood point, a right neighborhood point, an upper neighborhood point and a lower neighborhood point corresponding to each sampling point according to the handwriting coordinates corresponding to the sampling point;
the longitudinal positioning module is used for determining longitudinal blackboard writing handwriting of the blackboard writing handwriting according to the left neighborhood point and the right neighborhood point of the sampling point in the longitudinal blackboard writing handwriting coordinate set;
the transverse positioning module is used for determining transverse blackboard writing handwriting of the blackboard writing handwriting according to an upper neighborhood point and a lower neighborhood point of the sampling points in the transverse blackboard writing handwriting coordinate set;
and the synchronous display module is used for determining synchronous display handwriting of the writing on board according to the longitudinal writing on board and the transverse writing on board.
In a third aspect, an embodiment of the present invention provides a terminal device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the steps of the method for synchronous book display in a display screen according to the first aspect or any one of the possible implementations of the first aspect.
In a fourth aspect, embodiments of the present invention provide a computer readable storage medium storing a computer program, which when executed by a processor implements the steps of a method for synchronous book display in a display screen as in the first aspect or any one of the possible implementations of the first aspect.
The embodiment of the invention provides a method, a device and terminal equipment for synchronously displaying a board book in a display screen. And secondly, determining transverse blackboard writing handwriting according to the upper neighborhood point and the lower neighborhood point, and determining longitudinal blackboard writing handwriting according to the left neighborhood point and the right neighborhood point. And finally, determining synchronous display handwriting according to the transverse writing handwriting and the longitudinal writing handwriting. The synchronous display handwriting is determined through the handwriting coordinates, so that the generation of the blackboard writing handwriting in a mode of continuously sticking the image blocks can be effectively avoided, the situation of saw teeth exists, meanwhile, the display of the blackboard writing handwriting can be ensured to be clear and real, and the smooth progress of teaching or training is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of application scenario hardware provided in an embodiment of the present invention;
fig. 2 is a flowchart of a method for synchronously displaying books in a display screen according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a neighborhood of sampling points according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a left neighborhood point and a right neighborhood point of a sampling point in a longitudinal blackboard writing handwriting coordinate set provided by an embodiment of the invention;
FIG. 5 is a schematic diagram of an upper neighborhood point and a lower neighborhood point of a sampling point in a transverse blackboard writing handwriting coordinate set according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a device for synchronously displaying books in a display screen according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the following description will be made by way of specific embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic view of application scenario hardware provided in an embodiment of the present invention. As shown in FIG. 1, a teacher performs manual writing on a blackboard, and a display screen synchronously displays writing of the writing on the blackboard. The blackboard is connected with the display screen in a communication way, and the display screen can comb data transmitted by the blackboard. The execution main body of the method for synchronously displaying the books in the display screen provided by the embodiment of the invention is the display screen. In practice, the display screen can be a plurality of pieces, and can synchronously display the blackboard writing handwriting on the blackboard.
Fig. 2 is a flowchart of a method for synchronously displaying books in a display screen according to an embodiment of the present invention.
As shown in fig. 2, a method for synchronously displaying books in a display screen may include:
s101, acquiring handwriting coordinates of a plurality of sampling points with a time sequence relation corresponding to the handwriting;
optionally, the blackboard writing handwriting is an artificial blackboard writing handwriting on the blackboard, the blackboard can be provided with a sampling device, the sampling device can collect relevant information of the blackboard writing handwriting in real time according to time sequence, and then the collected relevant information of the blackboard writing handwriting is sent to the display screen through communication. The relevant information of the writing script may be writing script coordinates of a plurality of sampling points having a time sequence relationship.
For a blackboard, it can sample the handwriting of the blackboard during the writing process of a writer. If the distance between the writing tool and the blackboard surface exceeds a preset induction threshold, not sampling; and if the distance between the writing tool and the blackboard surface does not exceed the preset sensing threshold value, sampling is carried out. The sampling can obtain the handwriting coordinates of a plurality of sampling points with time sequence information.
S102, dividing the sampling points according to the handwriting coordinates of the blackboard writing corresponding to the sampling points to obtain a transverse handwriting coordinate set and a longitudinal handwriting coordinate set;
optionally, the writing on board can be divided into transverse writing and longitudinal writing, and correspondingly, writing on board coordinate divisions corresponding to the plurality of sampling points can be also divided into transverse writing on board coordinate sets and longitudinal writing on board coordinate sets.
The writing handwriting coordinates corresponding to the sampling points can be judged to belong to the transverse writing handwriting coordinates or the longitudinal writing handwriting coordinates according to the time sequence, the horizontal coordinates and the vertical coordinates among the writing handwriting coordinates. The set of lateral writing handwriting coordinates may include zero or at least one lateral writing handwriting coordinate and the set of longitudinal writing handwriting coordinates may include zero or at least one longitudinal writing handwriting coordinate.
For example, the writing script "three" may include only lateral writing script coordinates, the writing script "Sichuan" may include only longitudinal writing script coordinates, and the writing script "rich" may include both lateral writing script coordinates and longitudinal writing script coordinates. The rest of the blackboard writing handwriting is the same.
S103, for each sampling point, determining a left neighborhood point, a right neighborhood point, an upper neighborhood point and a lower neighborhood point corresponding to the sampling point according to the handwriting coordinates corresponding to the sampling point;
fig. 3 is a schematic diagram of a neighborhood of sampling points according to an embodiment of the present invention.
Alternatively, as shown in fig. 3, the sampling point a includes a left neighborhood point A1, a right neighborhood point A2, an upper neighborhood point A3, and a lower neighborhood point A4.
Specifically, a sampling point can be expanded into a neighborhood, an upper neighborhood point and a lower neighborhood point are determined according to the abscissa of the handwriting coordinates corresponding to the sampling point, and a left neighborhood point and a right neighborhood point are determined according to the ordinate of the handwriting coordinates corresponding to the sampling point.
S104, determining longitudinal blackboard writing handwriting of the blackboard writing handwriting according to a left neighborhood point and a right neighborhood point of a sampling point in the longitudinal blackboard writing handwriting coordinate set;
FIG. 4 is a schematic diagram of a left neighborhood point and a right neighborhood point of a sampling point in a longitudinal blackboard writing handwriting coordinate set according to an embodiment of the present invention.
Alternatively, as shown in fig. 4, the vertical blackboard writing handwriting coordinate set includes a sampling point a and a sampling point B. For the sampling point A, the sampling point A comprises a left neighborhood point A1 and a right neighborhood point A2; for sample point B, it includes a left neighborhood point B1 and a right neighborhood point B2.
For example, assuming that the longitudinal handwriting coordinate set only includes the sampling point a and the sampling point B, the left neighborhood point A1 and the left neighborhood point B1 may be connected, the right neighborhood point A2 and the right neighborhood point B2 may be connected, the left neighborhood point A1 and the right neighborhood point A2 may be connected, and the left neighborhood point B1 and the right neighborhood point B2 may be connected, so as to form a simple closed area, and the handwriting simulating the sampling point a and the sampling point B may be implemented without considering the falling points of the beginning pen-starting and the end pen-front.
S105, determining the transverse blackboard writing handwriting of the blackboard writing handwriting according to an upper neighborhood point and a lower neighborhood point of the sampling points in the transverse blackboard writing handwriting coordinate set;
FIG. 5 is a schematic diagram of an upper neighborhood point and a lower neighborhood point of a sampling point in a transverse blackboard writing handwriting coordinate set according to an embodiment of the present invention.
Alternatively, as shown in fig. 5, the set of lateral blackboard writing handwriting coordinates includes a sampling point C and a sampling point D. For sample point C, it includes an upper neighborhood point C3 and a lower neighborhood point C4; for sample point D, it includes an upper neighborhood point D3 and a lower neighborhood point D4.
For example, assuming that the horizontal handwriting coordinate set only includes the sampling point C and the sampling point D, the upper neighborhood point C3 and the upper neighborhood point D3 may be connected, the lower neighborhood point C4 and the lower neighborhood point D4 may be connected, the upper neighborhood point C3 and the lower neighborhood point C4 may be connected, and the upper neighborhood point D3 and the lower neighborhood point D4 may be connected, so as to form a simple closed area, and the handwriting simulating the sampling point C and the sampling point D may be implemented without considering the falling points of the beginning pen-starting and the end pen-front.
S106, determining synchronous display handwriting of the blackboard writing handwriting according to the longitudinal blackboard writing handwriting and the transverse blackboard writing handwriting.
Optionally, the writing on the display screen can be synchronously displayed according to the longitudinal writing on the writing board and the transverse writing on the writing board.
According to the embodiment of the invention, the writing handwriting coordinates of the corresponding sampling points of the writing handwriting are firstly obtained, the writing handwriting coordinates are divided into a transverse writing handwriting coordinate set and a longitudinal writing handwriting coordinate set, and the left neighborhood point, the right neighborhood point, the upper neighborhood point and the lower neighborhood point of each sampling point are determined. And secondly, determining transverse blackboard writing handwriting according to the upper neighborhood point and the lower neighborhood point, and determining longitudinal blackboard writing handwriting according to the left neighborhood point and the right neighborhood point. And finally, determining synchronous display handwriting according to the transverse writing handwriting and the longitudinal writing handwriting. The synchronous display handwriting is determined through the handwriting coordinates, so that the generation of the blackboard writing handwriting in a mode of continuously sticking the image blocks can be effectively avoided, the situation of saw teeth exists, meanwhile, the display of the blackboard writing handwriting can be ensured to be clear and real, and the smooth progress of teaching or training is facilitated.
In some embodiments of the invention, the writing coordinates of the blackboard writing are expressed as (x) i ,y i ) Wherein x is i 、y i Respectively representing the abscissa and the ordinate of the blackboard writing handwriting corresponding to the ith sampling point;
determining a left neighborhood point, a right neighborhood point, an upper neighborhood point and a lower neighborhood point corresponding to the sampling point according to the handwriting coordinates corresponding to the sampling point, including:
for the writing coordinates (x i ,y i ) Will beLeft neighbor point as the i-th sampling point, will +.>Right neighborhood point as i-th sampling point, will +.>As the lower neighborhood point of the ith sample point, will +.>An upper neighborhood point serving as an ith sampling point; wherein w is a first preset neighborhood positive value, and h is a second preset neighborhood positive value.
Optionally, the first preset neighborhood positive value w and the second preset neighborhood positive value h may be the same or different, and specifically set according to actual needs, for example, w and h may correspond to the length and the width of the chalk respectively. Each sampling point may correspond to a first neighborhood positive value w and a second neighborhood positive value h, or a plurality of sampling points may correspond to the same first neighborhood positive value w and the same second neighborhood positive value h.
In some embodiments of the present invention, the step S104 "determining the longitudinal blackboard writing handwriting of the blackboard writing handwriting according to the left neighborhood point and the right neighborhood point of the sampling point in the longitudinal blackboard writing handwriting coordinate set" may include:
and connecting left neighborhood points of every two adjacent sampling points in the longitudinal blackboard writing handwriting coordinate set by utilizing a Bezier curve, and connecting right neighborhood points of the two adjacent sampling points in the random time sequence to obtain the longitudinal blackboard writing handwriting of the blackboard writing handwriting.
Optionally, whether sampling points in the longitudinal blackboard writing handwriting coordinate set are adjacent can be determined according to the time sequence, for two adjacent sampling points, left neighborhood points of the two sampling points can be connected, and right neighborhood points of the two sampling points can be connected. And connecting all sampling points in the longitudinal blackboard writing handwriting coordinate set in the manner, and finally obtaining the longitudinal blackboard writing handwriting.
In some embodiments of the present invention, before connecting the left neighborhood points of every arbitrary two time-sequentially adjacent sampling points in the longitudinal blackboard writing handwriting coordinate set and connecting the right neighborhood points of the arbitrary two time-sequentially adjacent sampling points by using the bezier curve, the method further includes:
judging whether any two sampling points in the longitudinal blackboard writing handwriting coordinate set are adjacent or not;
if the absolute value of the time sequence difference of the two sampling points is smaller than or equal to a first preset threshold value, judging that the two sampling points are adjacent.
Optionally, if the absolute value of the time sequence difference between the two sampling points is greater than a first preset threshold, it is determined that the two sampling points are not adjacent. Whether or not adjacent can be judged by the absolute value of the difference of the time sequences of the two sampling points.
In some embodiments of the present invention, S105 "above refers to an upper neighborhood point and a lower neighborhood point of the sampling point in the coordinate set of the lateral writing script, determining lateral writing of the writing on blackboard" may include:
and connecting the upper neighborhood points of every any two sampling points in the transverse blackboard writing handwriting coordinate set by utilizing a Bezier curve, and connecting the lower neighborhood points of the sampling points adjacent to any two time sequences to obtain the transverse blackboard writing handwriting of the blackboard writing handwriting.
Optionally, whether sampling points in the handwriting coordinate set of the transverse blackboard writing are adjacent can be determined according to the time sequence, and for two adjacent sampling points, upper neighborhood points of the two sampling points can be connected, and lower neighborhood points of the two sampling points can be connected. And connecting all sampling points in the transverse blackboard writing handwriting coordinate set in the mode, and finally obtaining the transverse blackboard writing handwriting.
In some embodiments of the present invention, the method further includes, before connecting the upper neighborhood points of every arbitrary two sampling points adjacent in time sequence in the horizontal blackboard writing handwriting coordinate set and connecting the lower neighborhood points of the arbitrary two sampling points adjacent in time sequence, using a bezier curve:
judging whether any two sampling points in the transverse blackboard writing handwriting coordinate set are adjacent or not;
and if the absolute value of the time sequence difference of the two sampling points is smaller than or equal to a second preset threshold value, judging that the two sampling points are adjacent.
Optionally, if the absolute value of the time sequence difference of the two sampling points is greater than a second preset threshold, it is determined that the two sampling points are not adjacent.
In some embodiments of the present invention, the step S106 "determining the synchronous display handwriting of the writing handwriting according to the longitudinal writing handwriting and the transverse writing handwriting" may include:
determining a first sampling point and a last sampling point of the blackboard writing handwriting according to the time sequences corresponding to the sampling points;
generating a first semi-closed area according to the left neighborhood point and the right neighborhood point of the first sampling point; the first semi-closed area is used for representing a pen starting area of a starting point of the blackboard writing handwriting;
generating a second semi-closed area according to the left neighborhood point and the right neighborhood point of the last sampling point; the second semi-closed area is used for representing a stroke end area of an end point of the blackboard writing handwriting;
generating a closed handwriting area of the writing on the basis of the first semi-closed area and the second semi-closed area by combining the longitudinal writing on the blackboard and the transverse writing on the blackboard;
and filling the closed handwriting area to obtain the synchronous display handwriting of the on-board handwriting.
Alternatively, the specific process may be:
first, in the first sampling point of each blackboard writing handwriting, a semicircular arc can be generated according to the left neighborhood point and the right neighborhood point of the sampling point, or a semicircular arc can be generated according to the upper neighborhood point and the lower neighborhood point of the sampling point.
Secondly, at the last sampling point of each blackboard writing handwriting, a semicircular arc can be generated according to the left neighborhood point and the right neighborhood point of the sampling point, or a pen-front region can be generated according to the upper neighborhood point and the lower neighborhood point of the sampling point. Wherein the front area corresponds to the trend of the blackboard writing handwriting.
Thirdly, a closed handwriting area of the blackboard writing handwriting is generated by combining the semicircular arc area, the pen point area and the longitudinal blackboard writing handwriting and the transverse blackboard writing handwriting.
Fourth, the closed handwriting area is filled, and synchronous display handwriting displayed on the display screen is obtained.
The invention has the beneficial effects that: according to the invention, the blackboard writing handwriting of the blackboard can be synchronously displayed on the display screen in real time, the sampling points corresponding to the blackboard writing handwriting are decomposed into a plurality of neighborhood points, and the synchronous display handwriting is constructed by connecting the plurality of neighborhood points, so that the blackboard writing handwriting distortion can be effectively avoided, the control process is efficient and accurate, and the resource can be saved.
It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic, and should not limit the implementation process of the embodiment of the present invention.
The following are device embodiments of the invention, for details not described in detail therein, reference may be made to the corresponding method embodiments described above.
Fig. 6 is a schematic structural diagram of a device for synchronously displaying books in a display screen according to an embodiment of the present invention, and for convenience of explanation, only the portions relevant to the embodiment of the present invention are shown, which are described in detail below:
as shown in fig. 6, the apparatus 20 for synchronously displaying books in a display screen may include:
an acquisition module 201, configured to acquire handwriting coordinates of a plurality of sampling points of the handwriting having a time sequence relationship;
the dividing module 202 is configured to divide the sampling points according to the handwriting coordinates of the blackboard writing corresponding to the plurality of sampling points, so as to obtain a transverse blackboard writing handwriting coordinate set and a longitudinal blackboard writing handwriting coordinate set;
the fixed point module 203 is configured to determine, for each sampling point, a left neighborhood point, a right neighborhood point, an upper neighborhood point, and a lower neighborhood point corresponding to the sampling point according to the handwriting coordinates corresponding to the sampling point;
the longitudinal positioning module 204 is used for determining longitudinal blackboard writing handwriting of the blackboard writing handwriting according to a left neighborhood point and a right neighborhood point of the sampling points in the longitudinal blackboard writing handwriting coordinate set;
the transverse positioning module 205 is configured to determine a transverse blackboard writing handwriting of the blackboard writing handwriting according to an upper neighborhood point and a lower neighborhood point of the sampling points in the transverse blackboard writing handwriting coordinate set;
and the synchronous display module 206 is used for determining the synchronous display handwriting of the writing on the basis of the longitudinal writing on the blackboard and the transverse writing on the blackboard.
In some embodiments of the invention, the writing coordinates of the blackboard writing are expressed as (x) i ,y i ) Wherein x is i 、y i Respectively representing the abscissa and the ordinate of the blackboard writing handwriting corresponding to the ith sampling point;
the pointing module 203 may be used to: for the writing coordinates (x i ,y i ) Will beLeft neighbor point as the i-th sampling point, will +.>Right neighborhood point as i-th sampling point, will +.>As the lower neighborhood point of the ith sample point, will +.>An upper neighborhood point serving as an ith sampling point; wherein w is a first preset neighborhood positive value, and h is a second preset neighborhood positive value.
In some embodiments of the present invention, the longitudinal positioning module 204 may be configured to connect the left neighboring points of every arbitrary two sampling points adjacent in time sequence in the longitudinal blackboard-writing handwriting coordinate set by using a bezier curve, and connect the right neighboring points of the arbitrary two sampling points adjacent in time sequence, so as to obtain the longitudinal blackboard-writing handwriting of the blackboard-writing handwriting.
In some embodiments of the present invention, before connecting the left neighboring points of every arbitrary two sampling points adjacent in time sequence in the longitudinal blackboard-writing handwriting coordinate set by using the bezier curve and connecting the right neighboring points of the arbitrary two sampling points adjacent in time sequence, the apparatus 20 for synchronously displaying a board book in a display screen may further include:
the first judging module is used for judging whether any two sampling points in the longitudinal blackboard writing handwriting coordinate set are adjacent or not; if the absolute value of the time sequence difference of the two sampling points is smaller than or equal to a first preset threshold value, judging that the two sampling points are adjacent.
In some embodiments of the present invention, the lateral positioning module 205 may be configured to connect the upper neighboring points of every arbitrary two sampling points in the coordinate set of the lateral blackboard writing handwriting and connect the lower neighboring points of the arbitrary two sampling points that are adjacent in time sequence by using a bezier curve, so as to obtain the lateral blackboard writing handwriting of the blackboard writing handwriting.
In some embodiments of the present invention, before connecting the upper neighboring points of every arbitrary two sampling points adjacent in time sequence in the horizontal blackboard writing handwriting coordinate set by using the bezier curve and connecting the lower neighboring points of the arbitrary two sampling points adjacent in time sequence, the apparatus 20 for synchronously displaying a board book in a display screen may further include:
the second judging module is used for judging whether any two sampling points in the transverse blackboard writing handwriting coordinate set are adjacent or not; and if the absolute value of the time sequence difference of the two sampling points is smaller than or equal to a second preset threshold value, judging that the two sampling points are adjacent.
In some embodiments of the present invention, the synchronization display module 206 may include:
the selecting unit is used for determining a first sampling point and a last sampling point of the blackboard writing handwriting according to the time sequences corresponding to the sampling points;
the first generation unit is used for generating a first semi-closed area according to the left neighborhood point and the right neighborhood point of the first sampling point; the first semi-closed area is used for representing a pen starting area of a starting point of the blackboard writing handwriting;
the second generation unit is used for generating a second semi-closed area according to the left neighborhood point and the right neighborhood point of the last sampling point; the second semi-closed area is used for representing a stroke end area of an end point of the blackboard writing handwriting;
the third generation unit is used for generating a closed handwriting area of the blackboard writing handwriting based on the first semi-closed area and the second semi-closed area and combining the longitudinal blackboard writing handwriting and the transverse blackboard writing handwriting;
and the display unit is used for filling the closed handwriting area to obtain synchronous display handwriting of the on-board handwriting.
Fig. 7 is a schematic diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 7, the terminal device 30 of this embodiment includes: a processor 300, a memory 301 and a computer program 302 stored in the memory 301 and executable on the processor 300. The processor 300, when executing the computer program 302, implements the steps in the above-described embodiments of the method for synchronously displaying books in the respective display screens, such as S101 to S106 shown in fig. 2. Alternatively, the processor 300, when executing the computer program 302, performs the functions of the modules/units in the above-described apparatus embodiments, such as the functions of the modules/units 201 to 206 shown in fig. 6.
By way of example, the computer program 302 may be partitioned into one or more modules/units, which are stored in the memory 301 and executed by the processor 300 to accomplish the present invention. One or more of the modules/units may be a series of computer program instruction segments capable of performing a specific function for describing the execution of the computer program 302 in the terminal device 30. For example, the computer program 302 may be partitioned into modules/units 201 to 206 shown in fig. 6.
The terminal device 30 may be a desktop computer, a handwriting book, a palm computer, a cloud server, or a display screen. Terminal device 30 may include, but is not limited to, a processor 300, a memory 301. It will be appreciated by those skilled in the art that fig. 7 is merely an example of the terminal device 30 and is not meant to be limiting as the terminal device 30, may include more or fewer components than shown, or may combine certain components, or different components, e.g., the terminal device may further include an input-output device, a network access device, a bus, etc.
The processor 300 may be a central processing unit (Central Processing Unit, CPU), but may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 301 may be an internal storage unit of the terminal device 30, such as a hard disk or a memory of the terminal device 30. The memory 301 may also be an external storage device of the terminal device 30, such as a plug-in hard disk provided on the terminal device 30, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), or the like. Further, the memory 301 may also include both an internal storage unit and an external storage device of the terminal device 30. The memory 301 is used to store computer programs and other programs and data required for the terminal device. The memory 301 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiment may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit, where the integrated units may be implemented in a form of hardware or a form of a software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working process of the units and modules in the above system may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other manners. For example, the apparatus/terminal device embodiments described above are merely illustrative, e.g., the division of modules or units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via interfaces, devices or units, which may be in electrical, mechanical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the present invention may implement all or part of the procedures in the methods of the above embodiments, or may be implemented by a computer program for instructing related hardware, where the computer program may be stored in a computer readable storage medium, and the computer program, when executed by a processor, may implement the steps of the embodiments of the methods of book synchronization display in the respective display screens. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, executable files or in some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the content of the computer readable medium can be appropriately increased or decreased according to the requirements of the jurisdiction's jurisdiction and the patent practice, for example, in some jurisdictions, the computer readable medium does not include electrical carrier signals and telecommunication signals according to the jurisdiction and the patent practice.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention.
Claims (8)
1. A method for synchronously displaying books in a display screen, comprising the steps of:
acquiring the handwriting coordinates of a plurality of sampling points with time sequence relations corresponding to the handwriting;
dividing the sampling points according to the handwriting coordinates of the board writing corresponding to the sampling points to obtain a transverse board writing coordinate set and a longitudinal board writing coordinate set; wherein the set of transverse writing handwriting coordinates comprises zero or at least one transverse writing handwriting coordinate, and the set of longitudinal writing handwriting coordinates comprises zero or at least one longitudinal writing handwriting coordinate;
for each sampling point, determining a left neighborhood point, a right neighborhood point, an upper neighborhood point and a lower neighborhood point corresponding to the sampling point according to the handwriting coordinates corresponding to the sampling point;
determining longitudinal blackboard writing handwriting of the blackboard writing handwriting according to a left neighborhood point and a right neighborhood point of the sampling point in the longitudinal blackboard writing handwriting coordinate set;
determining the transverse blackboard writing handwriting of the blackboard writing handwriting according to an upper neighborhood point and a lower neighborhood point of the sampling point in the transverse blackboard writing handwriting coordinate set;
determining synchronous display handwriting of the blackboard writing handwriting according to the longitudinal blackboard writing handwriting and the transverse blackboard writing handwriting;
the writing handwriting coordinates are expressed as (x) i ,y i ) Wherein x is i 、y i Respectively representing the abscissa and the ordinate of the blackboard writing handwriting corresponding to the ith sampling point;
the determining the left neighborhood point, the right neighborhood point, the upper neighborhood point and the lower neighborhood point corresponding to the sampling point according to the handwriting coordinates corresponding to the sampling point comprises the following steps:
for the writing coordinates (x i ,y i ) Will beLeft neighbor point as the i-th sampling point, will +.>Right neighborhood point as i-th sampling point, will +.>As the lower neighborhood point of the ith sample point, will +.>An upper neighborhood point serving as an ith sampling point; wherein w is a first preset neighborhood positive value, and h is a second preset neighborhood positive value;
the step of determining the synchronous display handwriting of the blackboard writing handwriting according to the longitudinal blackboard writing handwriting and the transverse blackboard writing handwriting comprises the following steps:
determining a first sampling point and a last sampling point of the blackboard writing handwriting according to the time sequences corresponding to the sampling points;
generating a first semi-closed area according to the left neighborhood point and the right neighborhood point of the first sampling point; the first semi-closed area is used for representing a pen starting area of a starting point of the blackboard writing handwriting;
generating a second semi-closed area according to the left neighborhood point and the right neighborhood point of the last sampling point; the second semi-closed area is used for representing a writing front area of an end point of the blackboard writing handwriting;
generating a closed handwriting area of the blackboard writing handwriting by combining the longitudinal blackboard writing handwriting and the transverse blackboard writing handwriting based on the first semi-closed area and the second semi-closed area;
and filling the closed handwriting area to obtain the synchronous display handwriting of the on-board handwriting.
2. The method for synchronously displaying the blackboard-writing on the display screen according to claim 1, wherein the determining the longitudinal blackboard-writing script of the blackboard-writing script according to the left neighborhood point and the right neighborhood point of the sampling point in the longitudinal blackboard-writing script coordinate set includes:
and connecting left neighborhood points of every arbitrary two sampling points adjacent to each other in the longitudinal blackboard writing handwriting coordinate set by utilizing a Bezier curve, and connecting right neighborhood points of the arbitrary two sampling points adjacent to each other in the time sequence to obtain the longitudinal blackboard writing handwriting of the blackboard writing handwriting.
3. The method for synchronously displaying a board book on a display screen according to claim 2, wherein before the connecting the left neighborhood point of every arbitrary two time-series adjacent sampling points in the vertical board writing coordinate set by using the bezier curve and connecting the right neighborhood points of the arbitrary two time-series adjacent sampling points, the method further comprises:
judging whether any two sampling points in the longitudinal blackboard writing handwriting coordinate set are adjacent or not;
if the absolute value of the time sequence difference of the two sampling points is smaller than or equal to a first preset threshold value, judging that the two sampling points are adjacent.
4. The method for synchronously displaying the blackboard writing on the display screen according to claim 1, wherein the determining the transverse blackboard writing on the blackboard according to the upper neighborhood point and the lower neighborhood point of the sampling point in the transverse blackboard writing on the blackboard writing coordinate set comprises:
and connecting the upper neighborhood points of every arbitrary two sampling points in the transverse blackboard-writing handwriting coordinate set by utilizing a Bezier curve, and connecting the lower neighborhood points of the arbitrary two sampling points adjacent in time sequence to obtain the transverse blackboard-writing handwriting of the blackboard-writing handwriting.
5. The method for synchronously displaying a board book on a display screen according to claim 4, wherein before connecting the upper neighborhood points of every arbitrary two time-sequentially adjacent sampling points in the set of coordinates of the horizontal board book handwriting by using a bezier curve and connecting the lower neighborhood points of the arbitrary two time-sequentially adjacent sampling points, the method further comprises:
judging whether any two sampling points in the transverse blackboard writing handwriting coordinate set are adjacent or not;
and if the absolute value of the time sequence difference of the two sampling points is smaller than or equal to a second preset threshold value, judging that the two sampling points are adjacent.
6. A device for synchronously displaying books in a display screen, comprising:
the acquisition module is used for acquiring the handwriting coordinates of a plurality of sampling points with a time sequence relationship;
the dividing module is used for dividing the sampling points according to the blackboard writing handwriting coordinates corresponding to the sampling points to obtain a transverse blackboard writing handwriting coordinate set and a longitudinal blackboard writing handwriting coordinate set;
the fixed point module is used for determining a left neighborhood point, a right neighborhood point, an upper neighborhood point and a lower neighborhood point corresponding to each sampling point according to the handwriting coordinates corresponding to the sampling point;
the longitudinal positioning module is used for determining longitudinal blackboard writing handwriting of the blackboard writing handwriting according to a left neighborhood point and a right neighborhood point of the sampling points in the longitudinal blackboard writing handwriting coordinate set;
the transverse positioning module is used for determining the transverse blackboard writing handwriting of the blackboard writing handwriting according to the upper neighborhood point and the lower neighborhood point of the sampling points in the transverse blackboard writing handwriting coordinate set;
the synchronous display module is used for determining synchronous display handwriting of the blackboard writing handwriting according to the longitudinal blackboard writing handwriting and the transverse blackboard writing handwriting;
the writing handwriting coordinates are expressed as (x) i ,y i ) Wherein x is i 、y i Respectively representing the abscissa and the ordinate of the blackboard writing handwriting corresponding to the ith sampling point;
the determining the left neighborhood point, the right neighborhood point, the upper neighborhood point and the lower neighborhood point corresponding to the sampling point according to the handwriting coordinates corresponding to the sampling point comprises the following steps:
for the writing coordinates (x i ,y i ) Will beLeft neighbor point as the i-th sampling point, will +.>Right neighborhood point as i-th sampling point, will +.>As the lower neighborhood point of the ith sample point, will +.>An upper neighborhood point serving as an ith sampling point; wherein w is a first preset neighborhood positive value, and h is a second preset neighborhood positive value;
the synchronous display module includes:
the selecting unit is used for determining a first sampling point and a last sampling point of the blackboard writing handwriting according to the time sequences corresponding to the sampling points;
the first generation unit is used for generating a first semi-closed area according to the left neighborhood point and the right neighborhood point of the first sampling point; the first semi-closed area is used for representing a pen starting area of a starting point of the blackboard writing handwriting;
the second generation unit is used for generating a second semi-closed area according to the left neighborhood point and the right neighborhood point of the last sampling point; the second semi-closed area is used for representing a writing front area of an end point of the blackboard writing handwriting;
the third generation unit is used for generating a closed handwriting area of the blackboard writing handwriting by combining the longitudinal blackboard writing handwriting and the transverse blackboard writing handwriting based on the first semi-closed area and the second semi-closed area;
and the display unit is used for filling the closed handwriting area to obtain the synchronous display handwriting of the blackboard writing handwriting.
7. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor, when executing the computer program, realizes the steps of the method of book synchronous display in a display screen according to any of the preceding claims 1 to 5.
8. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method of book synchronous display in a display screen according to any of the preceding claims 1 to 5.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377856A (en) * | 2008-10-07 | 2009-03-04 | 广东威创视讯科技股份有限公司 | Handwriting writing method and apparatus |
| CN105046730A (en) * | 2015-07-09 | 2015-11-11 | 北京盛世宣合信息科技有限公司 | Writing trace demonstration method and apparatus applied to writing brush |
| CN105405159A (en) * | 2015-10-27 | 2016-03-16 | 深圳市东向同人科技有限公司 | Handwriting display method and device |
| CN107481299A (en) * | 2017-06-27 | 2017-12-15 | 北京新国人智慧科技股份有限公司 | A kind of written handwriting display methods and system, intelligent terminal and intelligent writing system |
| CN110263636A (en) * | 2019-05-15 | 2019-09-20 | 赞同科技股份有限公司 | A kind of lossless person's handwriting restoring method and system |
| CN111381754A (en) * | 2020-04-30 | 2020-07-07 | 京东方科技集团股份有限公司 | Handwriting processing method, equipment and medium |
| CN111427499A (en) * | 2020-03-19 | 2020-07-17 | 广州视源电子科技股份有限公司 | Handwriting drawing method, device, equipment and storage medium |
| CN112541377A (en) * | 2019-09-20 | 2021-03-23 | 北京万维智能技术有限公司 | Handwriting restoration method |
| CN113448486A (en) * | 2021-09-01 | 2021-09-28 | 广州朗国电子科技股份有限公司 | Method and device for realizing pen point of electronic whiteboard, storage medium and electronic whiteboard |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8036465B2 (en) * | 2003-09-26 | 2011-10-11 | Khomo Malome T | Method of text interaction using chirographic techniques |
| JP6212938B2 (en) * | 2013-05-10 | 2017-10-18 | 富士通株式会社 | Display processing apparatus, system, and display processing program |
-
2021
- 2021-10-19 CN CN202111216670.3A patent/CN113934395B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377856A (en) * | 2008-10-07 | 2009-03-04 | 广东威创视讯科技股份有限公司 | Handwriting writing method and apparatus |
| CN105046730A (en) * | 2015-07-09 | 2015-11-11 | 北京盛世宣合信息科技有限公司 | Writing trace demonstration method and apparatus applied to writing brush |
| CN105405159A (en) * | 2015-10-27 | 2016-03-16 | 深圳市东向同人科技有限公司 | Handwriting display method and device |
| CN107481299A (en) * | 2017-06-27 | 2017-12-15 | 北京新国人智慧科技股份有限公司 | A kind of written handwriting display methods and system, intelligent terminal and intelligent writing system |
| CN110263636A (en) * | 2019-05-15 | 2019-09-20 | 赞同科技股份有限公司 | A kind of lossless person's handwriting restoring method and system |
| CN112541377A (en) * | 2019-09-20 | 2021-03-23 | 北京万维智能技术有限公司 | Handwriting restoration method |
| CN111427499A (en) * | 2020-03-19 | 2020-07-17 | 广州视源电子科技股份有限公司 | Handwriting drawing method, device, equipment and storage medium |
| CN111381754A (en) * | 2020-04-30 | 2020-07-07 | 京东方科技集团股份有限公司 | Handwriting processing method, equipment and medium |
| CN113448486A (en) * | 2021-09-01 | 2021-09-28 | 广州朗国电子科技股份有限公司 | Method and device for realizing pen point of electronic whiteboard, storage medium and electronic whiteboard |
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|---|---|
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