CN111736731A - Handwriting obtaining method and system - Google Patents
Handwriting obtaining method and system Download PDFInfo
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- CN111736731A CN111736731A CN202010354341.4A CN202010354341A CN111736731A CN 111736731 A CN111736731 A CN 111736731A CN 202010354341 A CN202010354341 A CN 202010354341A CN 111736731 A CN111736731 A CN 111736731A
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- writing
- handwriting
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
-
- 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
- G06F3/04883—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 for inputting data by handwriting, e.g. gesture or text
Abstract
A handwriting obtaining method and system relate to the technical field of informatization. The intelligent pen is connected with the client through Bluetooth, and the client is connected with the content processing server through a network. The method can be applied to various scenes such as test paper, teaching assistance, copybooks, wrong-answer books, new words, classroom notebooks, business notebooks, sticky notes and the like, the writing habit of a user on paper is not changed, the original handwriting of writing can be obtained on an electronic screen, and the handwriting can be recognized and converted into an electronic document to be modified and edited.
Description
Technical Field
The invention relates to a method and a system for acquiring handwriting, and relates to the technical field of informatization.
Background
Many electronic products on the market have a handwriting input function, most of the electronic products perform touch writing on an electronic screen, and then convert the written font into a standard font through an internal recognition system to be displayed, however, the writing of the electronic products lacks the personal characteristics of the original handwriting.
The known original handwriting writing implementation mode is that a region with handwriting is generally intercepted and stored as a picture, then the picture is compressed to the size of characters and then is arranged and displayed, the proportion of the compressed pictures is different due to the difference of the sizes of the regions of the handwriting, and the thickness of the finally displayed characters is different, so that the font is distorted and distorted, and the whole beauty of the handwritten font is not available; in addition, the screen writing product has poor writing hand feeling due to smooth screen, so that the user experience effect is poor.
Disclosure of Invention
The invention aims to provide a method and a system for acquiring handwriting, aiming at the defects and shortcomings of the prior art, and the method and the system can be applied to various scenes such as test paper, teaching assistance, copybooks, error-problem books, raw notebooks, classroom notebooks, business notebooks, sticky notes and the like, can acquire original handwriting of writing on an electronic screen without changing the writing habit of a user on paper, and can be identified and converted into an electronic document for modification and editing.
In order to achieve the purpose, the invention adopts the following technical scheme: a handwriting obtaining method and a handwriting obtaining system comprise paper with point codes, an intelligent pen, a client and a content processing server, wherein the intelligent pen writes on the paper with the point codes, the intelligent pen is connected with the client through Bluetooth, and the client is connected with the content processing server through a network.
Furthermore, the intelligent pen is used for writing and storing written data on the paper with the point codes and transmitting the written data to the client.
Furthermore, the client is used for establishing personal information, receiving data written by the intelligent pen and automatically transmitting the written data to the content processing server.
Further, the content processing server is used for receiving the writing data, restoring the writing handwriting of the user through an algorithm, and storing the writing handwriting.
Further, the process of the paper with point code is as follows:
step 1, generating and downloading an execution operation of an instruction by an operation background, and transmitting the instruction to a content processing server;
step 2, selecting the size of paper to be laid in an operation background;
step 3, selecting the quantity of paper to be laid in an operation background;
step 4, transmitting the selected parameters and the generation instruction to a content processing server;
step 5, downloading the generated point code file in an operation background;
step 6, the content processing server receives an operation background instruction, generates and stores a point code;
step 7, generating a point code file according to the received information, and transmitting the point code file to an operation background;
step 8, storing the generated point code information;
step 9, printing a layer of invisible dot code pattern on the page of the common paper by adopting carbon-containing ink, wherein the dot code pattern is formed by arranging a plurality of basic square matrixes, the basic square matrixes are 36 dots, the average distance between the two dots is 0.3mm, and the size of each basic square matrix is 1.8mm by 1.8 mm; each point code represents special coordinate position information through special code arrangement, and is used for collecting the point codes when the intelligent pen writes on the point code paper, and then decoding the point codes into data to collect handwriting data.
Further, the flow of the information acquisition method of the smart pen is as follows:
step 1, writing on paper with point codes by a refill, connecting the refill with a writing detector, and automatically turning on a power switch when the refill touches the writing detector to enable an intelligent pen to be in a working state, wherein the refill can be replaced by an oil-based and neutral ball pen or a water pen;
step 2, the power supply supplies electric energy to the whole intelligent pen, and the power supply can be turned on and off manually;
step 3, detecting whether the intelligent pen is in a starting writing state by a writing detector, judging whether the intelligent pen is in the starting writing state or not according to one of the two indexes by the writing detector through detecting the pressure of a pen point on a paper surface and the retention of notes, recording a pressure value for writing the coordinate point and transmitting the pressure value to a processing chip;
step 4, the high-speed camera is opened when the writing detector judges that the intelligent pen is in a starting writing state, continuous scanning recording is carried out on the point code coordinate at the pen point, writing track data is formed, the high-speed camera scans for more than 50 times per second, and information such as the point code coordinate, the handwriting sequence, the movement speed, the pen transporting time and the like is transmitted to the processing chip;
step 5, the processing chip decodes English and digital data of the writing track information collected by the writing detector and the high-speed camera, wherein the writing track information comprises information such as paper type, page number, position, handwriting coordinate, motion track, pen point pressure value, stroke sequence, pen moving time, pen moving speed and the like;
step 6, when the intelligent pen is not connected with the client, the memory temporarily stores writing track information, and after the writing track information is uploaded to the client, the information is automatically deleted;
and 7, carrying out Bluetooth connection on the communication module and the client, opening the Bluetooth of the mobile phone to be connected with the smart pen through Bluetooth, and uploading the data decoded by the processing chip to the mobile phone through the Bluetooth.
Further, the client process and functions include:
step 1, a user needs to complete registration at a client, and a personal file is stored in a content processing server;
step 2, binding the personal file with the used intelligent pen, arranging a unique identification number in the intelligent pen, and processing the data written by the intelligent pen according to the number by the system;
and 3, the client receives the data uploaded by the intelligent pen and uploads the data to the content processing server for processing through the network.
Further, the process of restoring the handwriting in the content processing server is as follows:
step 1, calculating a track by a formula according to the coordinates of each point code in time sequence by a content processing server, restoring the thickness of a line according to the calculated track and the pressure of each coordinate point, and returning the restored handwriting to a client for display;
and 2, storing the restored handwriting.
Further, the content processing server uses a calculation formula as follows:
B(f)＝P0(1-f)3+3P1f(1-f)2+3P2f2(1-f)+P3f3，f∈[0，1]。
after the technical scheme is adopted, the invention has the beneficial effects that: the original handwriting of writing can be obtained on the electronic screen without changing the writing habit of a user on paper, and the original handwriting can be identified and converted into an electronic document to be modified and edited.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a system framework diagram of the present invention;
FIG. 2 is a flow chart of the point code paper of the present invention;
FIG. 3 is a flow chart of a method of information collection for the smart pen of the present invention;
FIG. 4 is a flow diagram of a client process and function of the present invention;
FIG. 5 is a flow chart of handwriting reduction in the present invention.
Detailed Description
Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: a handwriting acquisition method and a handwriting acquisition system are composed of paper with point codes, an intelligent pen, a client and a content processing server, wherein the intelligent pen writes on the paper with the point codes, the intelligent pen is connected with the client through Bluetooth, and the client is connected with the content processing server through a network.
Furthermore, the intelligent pen is used for writing and storing written data on the paper with the point codes and transmitting the written data to the client.
Furthermore, the client is used for establishing personal information, receiving data written by the intelligent pen and automatically transmitting the written data to the content processing server.
Further, the content processing server is used for receiving the writing data, restoring the writing handwriting of the user through an algorithm, and storing the writing handwriting.
Further, the process of the paper with point code is as follows:
step 1, generating and downloading an execution operation of an instruction by an operation background, and transmitting the instruction to a content processing server;
step 2, selecting the size of paper to be laid in an operation background;
step 3, selecting the quantity of paper to be laid in an operation background;
step 4, transmitting the selected parameters and the generation instruction to a content processing server;
step 5, downloading the generated point code file in an operation background;
step 6, the content processing server receives an operation background instruction, generates and stores a point code;
step 7, generating a point code file according to the received information, and transmitting the point code file to an operation background;
step 8, storing the generated point code information;
step 9, printing a layer of invisible dot code pattern on the page of the common paper by adopting carbon-containing ink, wherein the dot code pattern is formed by arranging a plurality of basic square matrixes, the basic square matrixes are 36 dots, the average distance between the two dots is 0.3mm, and the size of each basic square matrix is 1.8mm by 1.8 mm; each point code represents special coordinate position information through special code arrangement, and is used for collecting the point codes when the intelligent pen writes on the point code paper, and then decoding the point codes into data to collect handwriting data.
Further, the flow of the information acquisition method of the smart pen is as follows:
step 1, writing on paper with point codes by a refill, connecting the refill with a writing detector, and automatically turning on a power switch when the refill touches the writing detector to enable an intelligent pen to be in a working state, wherein the refill can be replaced by an oil-based and neutral ball pen or a water pen;
step 2, the power supply supplies electric energy to the whole intelligent pen, and the power supply can be turned on and off manually;
step 3, detecting whether the intelligent pen is in a starting writing state by a writing detector, judging whether the intelligent pen is in the starting writing state or not according to one of the two indexes by the writing detector through detecting the pressure of a pen point on a paper surface and the retention of notes, recording a pressure value for writing the coordinate point and transmitting the pressure value to a processing chip;
step 4, the high-speed camera is opened when the writing detector judges that the intelligent pen is in a starting writing state, continuous scanning recording is carried out on the point code coordinate at the pen point, writing track data is formed, the high-speed camera scans for more than 50 times per second, and information such as the point code coordinate, the handwriting sequence, the movement speed, the pen transporting time and the like is transmitted to the processing chip;
step 5, the processing chip decodes English and digital data of the writing track information collected by the writing detector and the high-speed camera, wherein the writing track information comprises information such as paper type, page number, position, handwriting coordinate, motion track, pen point pressure value, stroke sequence, pen moving time, pen moving speed and the like;
step 6, when the intelligent pen is not connected with the client, the memory temporarily stores writing track information, and after the writing track information is uploaded to the client, the information is automatically deleted;
and 7, carrying out Bluetooth connection on the communication module and the client, opening the Bluetooth of the mobile phone to be connected with the smart pen through Bluetooth, and uploading the data decoded by the processing chip to the mobile phone through the Bluetooth.
Further, the client process and functions include:
step 1, a user needs to complete registration at a client, and a personal file is stored in a content processing server;
step 2, binding the personal file with the used intelligent pen, arranging a unique identification number in the intelligent pen, and processing the data written by the intelligent pen according to the number by the system;
and 3, the client receives the data uploaded by the intelligent pen and uploads the data to the content processing server for processing through the network.
Further, the process of restoring the handwriting in the content processing server is as follows:
step 1, calculating a track by a formula according to the coordinates of each point code in time sequence by a content processing server, restoring the thickness of a line according to the calculated track and the pressure of each coordinate point, and returning the restored handwriting to a client for display;
and 2, storing the restored handwriting.
Further, the content processing server uses a calculation formula as follows:
B(f)＝P0(1-f)3+3P1t(1-f)2+3P2f2(1-f)+P3t3，t∈[0，1]。
after the technical scheme is adopted, the invention has the beneficial effects that: the original handwriting of writing can be obtained on the electronic screen without changing the writing habit of a user on paper, and the original handwriting can be identified and converted into an electronic document to be modified and edited.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A handwriting obtaining method and system are characterized in that: the intelligent pen is connected with the client through Bluetooth, and the client is connected with the content processing server through a network.
2. The handwriting obtaining method and system according to claim 1, characterized in that: the intelligent pen is used for writing and storing written data on the paper with the point codes and transmitting the written data to the client.
3. The handwriting obtaining method and system according to claim 1, characterized in that: the client is used for establishing personal information, receiving data written by the intelligent pen and automatically transmitting the written data to the content processing server.
4. The handwriting obtaining method and system according to claim 1, characterized in that: the content processing server is used for receiving the writing data, restoring the writing handwriting of the user through an algorithm and storing the writing handwriting.
5. The handwriting obtaining method and system according to claim 1, characterized in that: the manufacturing method of the paper with the point code comprises the following processes:
step 1, generating and downloading an execution operation of an instruction by an operation background, and transmitting the instruction to a content processing server;
step 2, selecting the size of paper to be laid in an operation background;
step 3, selecting the quantity of paper to be laid in an operation background;
step 4, transmitting the selected parameters and the generation instruction to a content processing server;
step 5, downloading the generated point code file in an operation background;
step 6, the content processing server receives an operation background instruction, generates and stores a point code;
step 7, generating a point code file according to the received information, and transmitting the point code file to an operation background;
step 8, storing the generated point code information;
step 9, printing a layer of invisible dot code pattern on the page of the common paper by adopting carbon-containing ink, wherein the dot code pattern is formed by arranging a plurality of basic square matrixes, the basic square matrixes are 36 dots, the average distance between the two dots is 0.3mm, and the size of each basic square matrix is 1.8mm by 1.8 mm; each point code represents special coordinate position information through special code arrangement, and is used for collecting the point codes when the intelligent pen writes on the point code paper, and then decoding the point codes into data to collect handwriting data.
6. The handwriting obtaining method and system according to claim 1, characterized in that: the information acquisition method of the intelligent pen comprises the following steps:
step 1, writing on paper with point codes by a refill, connecting the refill with a writing detector, and automatically turning on a power switch when the refill touches the writing detector to enable an intelligent pen to be in a working state, wherein the refill can be replaced by an oil-based and neutral ball pen or a water pen;
step 2, the power supply supplies electric energy to the whole intelligent pen, and the power supply can be turned on and off manually;
step 3, detecting whether the intelligent pen is in a starting writing state by a writing detector, judging whether the intelligent pen is in the starting writing state or not according to one of the two indexes by the writing detector through detecting the pressure of a pen point on a paper surface and the retention of notes, recording a pressure value for writing the coordinate point and transmitting the pressure value to a processing chip;
step 4, the high-speed camera is opened when the writing detector judges that the intelligent pen is in a starting writing state, continuous scanning recording is carried out on the point code coordinate at the pen point, writing track data is formed, the high-speed camera scans for more than 50 times per second, and information such as the point code coordinate, the handwriting sequence, the movement speed, the pen transporting time and the like is transmitted to the processing chip;
step 5, the processing chip decodes English and digital data of the writing track information collected by the writing detector and the high-speed camera, wherein the writing track information comprises information such as paper type, page number, position, handwriting coordinate, motion track, pen point pressure value, stroke sequence, pen moving time, pen moving speed and the like;
step 6, when the intelligent pen is not connected with the client, the memory temporarily stores writing track information, and after the writing track information is uploaded to the client, the information is automatically deleted;
and 7, carrying out Bluetooth connection on the communication module and the client, opening the Bluetooth of the mobile phone to be connected with the smart pen through Bluetooth, and uploading the data decoded by the processing chip to the mobile phone through the Bluetooth.
7. The handwriting obtaining method and system according to claim 1, characterized in that: the client process and functions include:
step 1, a user needs to complete registration at a client, and a personal file is stored in a content processing server;
step 2, binding the personal file with the used intelligent pen, arranging a unique identification number in the intelligent pen, and processing the data written by the intelligent pen according to the number by the system;
and 3, the client receives the data uploaded by the intelligent pen and uploads the data to the content processing server for processing through the network.
8. The handwriting obtaining method and system according to claim 1, characterized in that: the process of restoring the handwriting in the content processing server comprises the following steps:
step 1, calculating a track by a formula according to the coordinates of each point code in time sequence by a content processing server, restoring the thickness of a line according to the calculated track and the pressure of each coordinate point, and returning the restored handwriting to a client for display;
and 2, storing the restored handwriting.
9. The handwriting acquisition method and system according to claim 8, characterized in that: the calculation formula used by the content processing server is as follows:
B(t)＝p0(1-t)3+3P1t(1-t)2+3P2t2(1-t)+P3t3，t∈[0，1]。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010354341.4A CN111736731A (en) | 2020-04-29 | 2020-04-29 | Handwriting obtaining method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010354341.4A CN111736731A (en) | 2020-04-29 | 2020-04-29 | Handwriting obtaining method and system |
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| Publication Number | Publication Date |
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| CN111736731A true CN111736731A (en) | 2020-10-02 |
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| CN202010354341.4A Withdrawn CN111736731A (en) | 2020-04-29 | 2020-04-29 | Handwriting obtaining method and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112487875A (en) * | 2020-11-11 | 2021-03-12 | 深圳市鹰硕教育服务有限公司 | Handwriting graphical method and device and electronic equipment |
| CN112486338A (en) * | 2020-11-23 | 2021-03-12 | 深圳市鹰硕教育服务有限公司 | Medical information processing method and device and electronic equipment |
| CN112486337A (en) * | 2020-11-17 | 2021-03-12 | 深圳市鹰硕教育服务有限公司 | Handwriting graph analysis method and device and electronic equipment |
| CN113407048A (en) * | 2021-06-29 | 2021-09-17 | 广州宏途教育网络科技有限公司 | Handwriting processing method |
-
2020
- 2020-04-29 CN CN202010354341.4A patent/CN111736731A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112487875A (en) * | 2020-11-11 | 2021-03-12 | 深圳市鹰硕教育服务有限公司 | Handwriting graphical method and device and electronic equipment |
| WO2022099870A1 (en) * | 2020-11-11 | 2022-05-19 | 深圳市鹰硕教育服务有限公司 | Handwriting graphing method, apparatus, and electronic device |
| CN112486337A (en) * | 2020-11-17 | 2021-03-12 | 深圳市鹰硕教育服务有限公司 | Handwriting graph analysis method and device and electronic equipment |
| CN112486337B (en) * | 2020-11-17 | 2023-11-24 | 深圳市鹰硕技术有限公司 | Handwriting graph analysis method and device and electronic equipment |
| CN112486338A (en) * | 2020-11-23 | 2021-03-12 | 深圳市鹰硕教育服务有限公司 | Medical information processing method and device and electronic equipment |
| CN113407048A (en) * | 2021-06-29 | 2021-09-17 | 广州宏途教育网络科技有限公司 | Handwriting processing method |
| CN113407048B (en) * | 2021-06-29 | 2023-03-03 | 广州宏途数字科技有限公司 | Handwriting processing method |
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Application publication date: 20201002 |
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