CN101777132A - System for handwriting recognition based on absolute coordinate location and implementation method thereof - Google Patents
System for handwriting recognition based on absolute coordinate location and implementation method thereof Download PDFInfo
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- CN101777132A CN101777132A CN201010120172A CN201010120172A CN101777132A CN 101777132 A CN101777132 A CN 101777132A CN 201010120172 A CN201010120172 A CN 201010120172A CN 201010120172 A CN201010120172 A CN 201010120172A CN 101777132 A CN101777132 A CN 101777132A
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Abstract
The invention provides a system for handwriting recognition based on absolute coordinate location and an implementation method thereof, belonging to the technical field of handwriting recognition. The system comprises a display device, an absolute coordinate location module, a handwriting recognition module and a handwriting inputting structure. The method comprises the following steps that: (1) a user starts the absolute coordinate location module, and establishes the correspondence of absolute coordinates between a handwriting inputting area and a displaying area; (2) the user inputs the standard handwriting in the handwriting inputting area by the handwriting inputting structure; (3) when the user restarts the system, the system loads the correspondence of the absolute coordinates established in step (1); and (4) the user inputs the handwriting to be recognized, and the system compares the handwriting to be recognized with the standard handwriting stored in the system in step (2) to acquire the recognition result. The system of the invention is capable of establishing the correspondence of the absolute coordinates between the handwriting inputting areas with each coordinate of the displaying area, thereby greatly improving the accuracy of handwriting recognition.
Description
Technical field
The invention belongs to technical field of handwriting recognition, relate to a kind of handwriting recognition system and its implementation based on the absolute coordinates location.
Background technology
Along with the progress and the development of society's science and technology, the raising gradually of people's living standard is in the society that this quantity of information grows with each passing day, people begin to depend on the use electronic product, write down a lot of information as personal terminal, as address list information, social information, even comprise commercial matters information.And some important Hard copy file or article; as design drawing, company contract, famous and precious jewellery etc.; also need to be kept in certain safe space; and the storage security of these information, file, article decisive role sometimes; in this case, safety precautions is ready to appear.
And traditional safety precautions generally all is the mode that is confined to be provided with character password; and this simple guard method is easy to be cracked; and because allegro life and bulky information collision, the user forgets or obscures character password easily, brings the puzzlement of arriving very much to the user.
Person's handwriting identification is an important research content of living things feature recognition, and it is the identification of utilization computer patterns, and methods such as texture analysis by the relatively discriminating between two parts person's handwriting, determine whether it is the technical skill of same people's person's handwriting.Utilize person's handwriting identification as safety precautions, can guarantee the data security of user profile, file and object.
Yet, the electronic equipment that has touch pad that we often use, because touch pad utilization relative coordinate principle positions, the user imports and has set standard handwriting information by the touch pad that does not carry out the absolute coordinates location, when the user carries out person's handwriting identification, when carrying out the input of identical person's handwriting content, may often discern unsuccessful so with standard handwriting by touch pad, after touch pad carries out the absolute coordinates location, will avoid this type of situation to take place.System of the present invention can be with each coordinate points of person's handwriting input area in the touch pad, with each coordinate points in the viewing area in the display device, sets up the absolute coordinates corresponding relation.Thereby the accuracy of person's handwriting identification is greatly improved.
Summary of the invention
The purpose of this invention is to provide a kind of handwriting recognition system and its implementation, in order to a kind of handwriting recognition system and its implementation that is based upon on the absolute coordinates location to be provided based on the absolute coordinates location.
A kind of handwriting recognition system based on the absolute coordinates location, described handwriting recognition system based on the absolute coordinates location includes:
Display device is the structure that is used for explicit user operating process and relevant information;
Handwriting inputting structure is to be used to accept the induction structure that the user imports the person's handwriting checking;
Handwriting recognition module, comprise the standard handwriting submodule that prestores the validated user standard handwriting, in order to storing the person's handwriting submodule to be identified of handwriting information to be identified, and transfer the person's handwriting that the handwriting information in person's handwriting submodule to be identified and the standard handwriting submodule compares and discern and differentiate submodule;
The absolute coordinates locating module is each coordinate points in the person's handwriting input area that is used for handwriting inputting structure is set, and with each coordinate points in the corresponding viewing area of setting in the display device, sets up the structure of absolute coordinates corresponding relation.
Further, described a kind of handwriting recognition system based on the absolute coordinates location also has following technical characterictic:
Described system also includes absolute coordinates and starts module, and it is to be used for starting the absolute coordinates locating module automatically when system start-up person's handwriting recognition function, sets up the structure of above-mentioned handwriting inputting structure and display device corresponding relation.
Described system is provided with absolute coordinates and starts button, and system start-up person's handwriting recognition function starts the absolute coordinates locating module simultaneously when described absolute coordinates startup button is pressed, and sets up the key device of above-mentioned handwriting inputting structure and display device corresponding relation.
Described absolute coordinates locating module, it also is provided with the person's handwriting input area setting module that is used to set the person's handwriting input area, be used to set the viewing area setting module of the viewing area of display device, and be used to set up the zone association respective modules of person's handwriting input area in the viewing area corresponding relation.
Described absolute coordinates locating module, it also is provided with and is used for setting person's handwriting input area initial baseline initial point, and the reference point of the initial baseline corresponding point of viewing area correspondence is set submodule.
Described absolute coordinates locating module is provided with absolute coordinates calibration submodule, and it is to be used for after restarting the absolute coordinates locating module, the structure of the absolute coordinates corresponding relation that detection automatically, error correction, the described absolute coordinates locating module of correction are set up.
A kind of implementation method of the handwriting recognition system based on absolute coordinates location includes following steps:
Step 1, the user starts the absolute coordinates locating module, sets the absolute coordinates corresponding relation of person's handwriting input area and viewing area;
Step 2, the user is by handwriting inputting structure, in the person's handwriting input area with the standard handwriting input system;
Step 3, when the user restarted described handwriting recognition system based on absolute coordinates location, system loads was by the absolute coordinates corresponding relation of setting up in the step 1;
Step 4, the user imports person's handwriting to be identified, and described system compares said system standard handwriting stored in above-mentioned person's handwriting to be identified and the step 2, obtains recognition result.
Further, the implementation method of described a kind of handwriting recognition system based on absolute coordinates location also has following technical characterictic:
In step 3, the described absolute coordinates corresponding relation of system loads is to have system to load automatically, and starts one of the two method of button manual loading by pressing absolute coordinates.
In step 1, the setting of described absolute coordinates corresponding relation comprises:
Step 1.1 sets the person's handwriting of handwriting inputting structure and import the localized area, and the correspondence of display device shows restricted area;
Step 1.2 is set the initial baseline point that person's handwriting described in the step 1.1 is imported the localized area, according to described initial baseline point, sets the described corresponding initial baseline corresponding point corresponding in the localized area that show, sets the reference point corresponding relation;
Step 1.3, based on the reference point corresponding relation of setting up in the step 1.2, with each coordinate points in the person's handwriting input localized area of step 1.1 setting,, set up the absolute coordinates corresponding relation with each coordinate points in the corresponding demonstration restricted area of setting in the display device.
Described handwriting recognition system based on absolute coordinates location have to described absolute coordinates corresponding relation detect, the function of error correction, correction.
The invention has the advantages that:
At present, various electronic products have been dissolved into the every aspect of people's life and work, progress and development along with society's science and technology, the raising gradually of people's living standard, all at the free space of pursuing the individual, require more and more higher to individual privacy, in this case, by privacy material and the file technology of encrypting of individual person's handwriting form to oneself, more and more welcome, but for the electronic equipment that has touch pad that uses around us, for example, products such as notebook computer are because touch pad utilization relative coordinate principle positions, the user imports and has set standard handwriting information by the touch pad that does not carry out the absolute coordinates location, when the user carries out person's handwriting identification, when carrying out the input of identical person's handwriting content, may often discern unsuccessful so with standard handwriting by touch pad, after touch pad carries out the absolute coordinates location, will avoid this type of situation to take place.System of the present invention can pass through the absolute coordinates locating module, with each coordinate points of person's handwriting input area in the touch pad, with each coordinate points in the viewing area in the display device, sets up the absolute coordinates corresponding relation.Thereby the accuracy of person's handwriting identification is greatly improved.
Description of drawings
Fig. 1 is the theory diagram of a kind of handwriting recognition system based on absolute coordinates location of the present invention.
Fig. 2 is the structural representation of a kind of handwriting recognition system based on absolute coordinates location of the present invention.
Fig. 3 is the implementation method process flow diagram of a kind of handwriting recognition system based on absolute coordinates location of the present invention.
Embodiment
Below with reference to accompanying drawing,, the present invention is done more detailed introduction in conjunction with specific embodiment:
The explanation of Fig. 1:
Shown in ginseng Fig. 1, showed the primary structure of this handwriting recognition system 100 based on absolute coordinates location among this figure.Should comprise following structure based on the handwriting recognition system 100 of absolute coordinates location:
Absolute coordinates locating module 230, it is each coordinate points in the person's handwriting input area that is used for handwriting inputting structure 260 is set, with each coordinate points in the corresponding viewing area of setting in the display device 210, set up the construction module of absolute coordinates corresponding relation, the user is by this absolute coordinates locating module 230, when setting up the identification of standard handwriting and person's handwriting, the accuracy of handwriting information input is improved greatly, for example, because touch pad utilization relative coordinate principle positions, the user imports and has set standard handwriting information by the touch pad that does not carry out the absolute coordinates location, so when the user carries out person's handwriting identification, when carrying out the input of identical person's handwriting content with standard handwriting by touch pad, may often discern unsuccessful, after touch pad carries out the absolute coordinates location, will avoid this type of situation to take place.
This module includes person's handwriting input area setting module 231, viewing area setting module 232, zone association respective modules 233, absolute coordinates calibration submodule 234 and reference point and sets submodule 235.
Person's handwriting input area setting module 231 wherein, it is to be used for the user to use writing pencil to set the modular structure of person's handwriting input area on handwriting inputting structure 260, the user can carry out the selection of person's handwriting input area according to personal habits, hobby on handwriting inputting structure 260.
Zone association respective modules 233 wherein, it is to be used for and will to set up the modular structure of corresponding relation between person's handwriting input area setting module 231 and the viewing area setting module 232, for example, when the user sets the person's handwriting input area by writing pencil on handwriting inputting structure 260, can the person's handwriting input area of setting be corresponded in the display device 210 by this zone association respective modules 233, carrying out the setting of viewing area, simultaneously also is to set up absolute coordinates corresponding relation between person's handwriting input area and the viewing area by this module 233.
Viewing area setting module 232 wherein, it is the modular structure that is used for being provided with the viewing area on display device 210, like this, shows in the viewing area that the handwriting information that the user imports on handwriting inputting structure 260 just is merely able to setting.
Reference point is wherein set submodule 235, and it is to be used for setting person's handwriting input area initial baseline initial point, and the modular structure of the initial baseline corresponding point of viewing area correspondence.The user sets the initial baseline initial point by using writing pencil on handwriting inputting structure 260, and by above-mentioned zone association respective modules 233, in the viewing area of display device 210, set up the initial baseline corresponding point, at this moment, will set up the absolute coordinates corresponding relation of person's handwriting input area and viewing area according to this reference point by zone association respective modules 233.At this moment, the handwriting information of importing on handwriting inputting structure 260 will can accurately show according to corresponding coordinate on display device 210 by the corresponding relation of absolute coordinates location.
Absolute coordinates calibration submodule 234 wherein, it is to be used for after restarting absolute coordinates locating module 230, the modular structure of the absolute coordinates corresponding relation that detection automatically, error correction, the described absolute coordinates locating module 230 of correction are set up.When carrying out absolute coordinates location to this system, the user is provided with, when reopening system, just can be by this absolute coordinates calibration submodule 234, and the absolute coordinates location situation of current system is detected correction automatically.
Absolute coordinates starts module 240, and it is to be used for starting absolute coordinates locating module 230 automatically when system start-up person's handwriting recognition function, sets up the modular structure of above-mentioned handwriting inputting structure 260 and display device 210 absolute coordinates corresponding relations.After the user opens system, when selecting person's handwriting identification, system will start the absolute coordinates positioning function automatically by this module, and the absolute coordinates positioning function is by calibration automatically, detect successfully after, the user just can import handwriting information and carry out person's handwriting and discerned.
Absolute coordinates starts button 250, and it is to be used to control the press-button structure whether absolute coordinates locating module 230 starts, and by this button, the user can manually control the open and close of absolute coordinates positioning function.
Person's handwriting submodule 272 to be identified wherein, it is the modular structure that is used to store the handwriting information to be identified of user's input, and the user can be by carrying out the touch pad of absolute coordinates location, and whether legal the input handwriting information carry out user's judgement.
Wherein person's handwriting is differentiated submodule 273, and it is the handwriting information to be identified that is used for person's handwriting submodule 272 users input to be identified, and the standard handwriting information of setting up in advance with the validated user in the standard handwriting submodule 271 compares the modular structure of discriminating.
In addition should be based on the handwriting recognition system 100 of absolute coordinates location, also have following structure: system control unit 200, it is the cellular construction that is used for controlling trouble-free operation between each module of total system terminal.Memory module 220, it is to be used for standard handwriting information in the storage system terminal, and the modular structure of the relative program during system's operation.Writing pencil 150, it is a kind of writing pencil structure that is used for carrying out various feature operations such as zone setting and person's handwriting input on handwriting inputting structure 260.
The explanation of Fig. 2:
Join shown in Figure 2ly, showed in the figure, the structural drawing of this handwriting recognition system 100 based on the absolute coordinates location of the present invention is set the situation of person's handwriting input area and corresponding display for the user.The user starts the absolute coordinates positioning function of button start-up system by absolute coordinates, use writing pencil or other to touch structure, on touch pad 110, set person's handwriting input area 111 by person's handwriting input area setting module, by the zone association respective modules person's handwriting input area 111 that the user sets up is corresponded to display screen 120 with the absolute coordinates Positioning Principle, set up viewing area 121 by the viewing area locating module, promptly, the user is the handwriting information of input in the person's handwriting input area 111 that touch pad 110 sets only, system just can effective recognition, and shows in the viewing area 121 of display screen 120.At this moment, the user can set initial baseline point 112 by setting submodule by the reference point in the absolute coordinates locating module in writing pencil or the person's handwriting input area 111 of other input structure on touch pad 110, set initial baseline corresponding point 122 by the viewing area 121 of the zone association respective modules in the absolute coordinates locating module on display screen 120, at this moment, person's handwriting input area 111 and viewing area 121 will with initial baseline put 112 and initial baseline corresponding point 122 serve as to locate corresponding relation according to the absolute coordinates of setting up the two.That is, other handwriting information of user's input will be a reference point according to this reference point, thereby improve the accuracy of person's handwriting identification.
In addition, in this system, the user can also be provided with initial baseline point 112 and initial baseline corresponding point 122 earlier, is reference value according to the coordinate figure that initial baseline point 112 and initial baseline corresponding point 122 are set then, sets person's handwriting input area 111 and viewing area 121 by the method for coordinate input.Wherein ultimate principle and the foregoing description basically identical.
The explanation of Fig. 3:
Join shown in Figure 3ly, this figure is the implementation method process flow diagram of this handwriting recognition system based on absolute coordinates location.The implementation method of described handwriting recognition system based on absolute coordinates location includes:
Step 1, the user starts the absolute coordinates locating module, sets the absolute coordinates corresponding relation of person's handwriting input area and viewing area;
Step 2, the user is by handwriting inputting structure, in the person's handwriting input area with the standard handwriting input system;
Step 3, when the user restarted described handwriting recognition system based on absolute coordinates location, system loads was by the absolute coordinates corresponding relation of setting up in the step 1;
Step 4, the user imports person's handwriting to be identified, and described system compares said system standard handwriting stored in above-mentioned person's handwriting to be identified and the step 2, obtains recognition result.
Further, the implementation method of described a kind of handwriting recognition system based on absolute coordinates location also has following technical characterictic:
In step 3, the described absolute coordinates corresponding relation of system loads is to have system to load automatically, and starts one of the two method of button manual loading by pressing absolute coordinates.
In step 1, the setting of described absolute coordinates corresponding relation comprises:
Step 1.1 sets the person's handwriting of handwriting inputting structure and import the localized area, and the correspondence of display device 210 shows restricted area;
Step 1.2 is set the initial baseline point that person's handwriting described in the step 1.1 is imported the localized area, according to described initial baseline point, sets the described corresponding initial baseline corresponding point corresponding in the localized area that show, sets the reference point corresponding relation;
Step 1.3, based on the reference point corresponding relation of setting up in the step 1.2, with each coordinate points in the person's handwriting input localized area of step 1.1 setting,, set up the absolute coordinates corresponding relation with each coordinate points in the corresponding demonstration restricted area of setting in the display device.
Described handwriting recognition system based on absolute coordinates location have to described absolute coordinates corresponding relation detect, the function of error correction, correction.
More than be the description of this invention and non-limiting, based on other embodiment of inventive concept, all among protection scope of the present invention.
Claims (10)
1. the handwriting recognition system based on the absolute coordinates location is characterized in that, described handwriting recognition system based on the absolute coordinates location includes:
Display device is the structure that is used for explicit user operating process and relevant information;
Handwriting inputting structure is to be used to accept the induction structure that the user imports the person's handwriting checking;
Handwriting recognition module, comprise the standard handwriting submodule that prestores the validated user standard handwriting, in order to storing the person's handwriting submodule to be identified of handwriting information to be identified, and transfer the person's handwriting that the handwriting information in person's handwriting submodule to be identified and the standard handwriting submodule compares and discern and differentiate submodule;
The absolute coordinates locating module is each coordinate points in the person's handwriting input area that is used for handwriting inputting structure is set, and with each coordinate points in the corresponding viewing area of setting in the display device, sets up the structure of absolute coordinates corresponding relation.
2. according to claim item 1 described a kind of handwriting recognition system based on the absolute coordinates location, it is characterized in that: described system also includes absolute coordinates and starts module, it is to be used for when system start-up person's handwriting recognition function, automatically start the absolute coordinates locating module, set up the structure of above-mentioned handwriting inputting structure and display device corresponding relation.
3. according to claim item 1 described a kind of handwriting recognition system based on the absolute coordinates location, it is characterized in that: described system is provided with absolute coordinates and starts button, system start-up person's handwriting recognition function when described absolute coordinates startup button is pressed, start the absolute coordinates locating module simultaneously, set up the key device of above-mentioned handwriting inputting structure and display device corresponding relation.
4. according to claim item 1 described a kind of handwriting recognition system based on the absolute coordinates location, it is characterized in that: described absolute coordinates locating module, it also is provided with the person's handwriting input area setting module that is used to set the person's handwriting input area, be used to set the viewing area setting module of the viewing area of display device, and be used to set up the zone association respective modules of person's handwriting input area in the viewing area corresponding relation.
5. according to claim item 1 described a kind of handwriting recognition system based on the absolute coordinates location, it is characterized in that: described absolute coordinates locating module, it also is provided with and is used for setting person's handwriting input area initial baseline initial point, and the reference point of the initial baseline corresponding point of viewing area correspondence is set submodule.
6. according to claim item 1 described a kind of handwriting recognition system based on the absolute coordinates location, it is characterized in that: described absolute coordinates locating module is provided with absolute coordinates calibration submodule, it is to be used for after restarting the absolute coordinates locating module, the structure of the absolute coordinates corresponding relation that detection automatically, error correction, the described absolute coordinates locating module of correction are set up.
7. the implementation method based on the handwriting recognition system of absolute coordinates location is characterized in that, the implementation method of described handwriting recognition system based on the absolute coordinates location includes:
Step 1, the user starts the absolute coordinates locating module, sets the absolute coordinates corresponding relation of person's handwriting input area and viewing area;
Step 2, the user is by handwriting inputting structure, in the person's handwriting input area with the standard handwriting input system;
Step 3, when the user restarted described handwriting recognition system based on absolute coordinates location, system loads was by the absolute coordinates corresponding relation of setting up in the step 1;
Step 4, the user imports person's handwriting to be identified, and described system compares said system standard handwriting stored in above-mentioned person's handwriting to be identified and the step 2, obtains recognition result.
8. according to the implementation method of the described a kind of handwriting recognition system based on the absolute coordinates location of claim item 7, it is characterized in that: in step 3, the described absolute coordinates corresponding relation of system loads is to have system to load automatically, and starts one of the two method of button manual loading by pressing absolute coordinates.
9. according to the implementation method of the described a kind of handwriting recognition system based on the absolute coordinates location of claim item 7, it is characterized in that: in step 1, the setting of described absolute coordinates corresponding relation comprises:
Step 1.1 sets the person's handwriting of handwriting inputting structure and import the localized area, and the correspondence of display device shows restricted area;
Step 1.2 is set the initial baseline point that person's handwriting described in the step 1.1 is imported the localized area, according to described initial baseline point, sets the described corresponding initial baseline corresponding point corresponding in the localized area that show, sets the reference point corresponding relation;
Step 1.3, based on the reference point corresponding relation of setting up in the step 1.2, with each coordinate points in the person's handwriting input localized area of step 1.1 setting,, set up the absolute coordinates corresponding relation with each coordinate points in the corresponding demonstration restricted area of setting in the display device.
10. according to the implementation method of the described a kind of handwriting recognition system based on the absolute coordinates location of claim item 7, it is characterized in that: described handwriting recognition system based on the absolute coordinates location have to described absolute coordinates corresponding relation detect, the function of error correction, correction.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104428736A (en) * | 2012-07-13 | 2015-03-18 | 三星电子株式会社 | Portable terminal using touch pen and handwriting input method using same |
| CN103616949B (en) * | 2013-11-21 | 2016-11-30 | 深圳市掌网立体时代视讯技术有限公司 | Digital book paintbrush mark calibration steps and system |
| CN107402665A (en) * | 2016-05-18 | 2017-11-28 | 海德堡印刷机械股份公司 | Multiple point touching controls |
| CN110263519A (en) * | 2019-05-31 | 2019-09-20 | 联想(北京)有限公司 | Information processing method and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104428736A (en) * | 2012-07-13 | 2015-03-18 | 三星电子株式会社 | Portable terminal using touch pen and handwriting input method using same |
| CN104428736B (en) * | 2012-07-13 | 2018-01-16 | 三星电子株式会社 | Using the portable terminal device for touching pen and use its hand-written inputting method |
| US9898186B2 (en) | 2012-07-13 | 2018-02-20 | Samsung Electronics Co., Ltd. | Portable terminal using touch pen and handwriting input method using the same |
| CN103616949A (en) * | 2013-11-21 | 2014-03-05 | 深圳市掌网立体时代视讯技术有限公司 | Digital painting and calligraphy calibrating method and digital painting and calligraphy calibrating system |
| CN103616949B (en) * | 2013-11-21 | 2016-11-30 | 深圳市掌网立体时代视讯技术有限公司 | Digital book paintbrush mark calibration steps and system |
| CN107402665A (en) * | 2016-05-18 | 2017-11-28 | 海德堡印刷机械股份公司 | Multiple point touching controls |
| CN107402665B (en) * | 2016-05-18 | 2022-02-22 | 海德堡印刷机械股份公司 | Multi-touch control |
| CN110263519A (en) * | 2019-05-31 | 2019-09-20 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN110263519B (en) * | 2019-05-31 | 2023-01-17 | 联想(北京)有限公司 | Information processing method and electronic equipment |
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Application publication date: 20100714 |