WO2008097024A1 - Procédé et appareil pour l'entrée d'écriture manuscrite et système d'entrée l'utilisant - Google Patents

Procédé et appareil pour l'entrée d'écriture manuscrite et système d'entrée l'utilisant Download PDF

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Publication number
WO2008097024A1
WO2008097024A1 PCT/KR2008/000726 KR2008000726W WO2008097024A1 WO 2008097024 A1 WO2008097024 A1 WO 2008097024A1 KR 2008000726 W KR2008000726 W KR 2008000726W WO 2008097024 A1 WO2008097024 A1 WO 2008097024A1
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WO
WIPO (PCT)
Prior art keywords
data
thickness
handwriting
thickness data
input device
Prior art date
Application number
PCT/KR2008/000726
Other languages
English (en)
Inventor
Do Young Ko
Jae Jun Lee
Original Assignee
Pnf Co., Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pnf Co., Ltd filed Critical Pnf Co., Ltd
Publication of WO2008097024A1 publication Critical patent/WO2008097024A1/fr

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Classifications

    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus
    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • 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

Definitions

  • the present invention relates to a method and an apparatus for inputting handwriting and an input system using the same, and more particularly, to a method and an apparatus for inputting user's handwriting to an electronic apparatus such as a computer through a touch pad, a digitizer, and a pen mouse, and an input system using the same.
  • Background Art
  • a pressure sensor may be additionally provided to the user's input device.
  • a size of the input device is increased due to the additional pressure sensor, it is inconvenient to use the input device.
  • the hardware configuration of the conventional input device should be modified, there is a problem of an increase in cost. Disclosure of Invention
  • the present invention provides a method and an apparatus for providing natural feeling of handwriting by adjusting a thickness of handwriting corresponding to a user's handwriting state when the user inputs user's handwriting to an electronic apparatus using various input devices.
  • a handwriting input apparatus comprising: a coordinates generating unit which receives a signal of measuring a location of an input device moved by a user, and generates coordinates of the input device; a locus data generating unit which generates locus data of the input device based on the coordinates; a speed calculating unit which calculates a moving speed of the input device by using the coordinates sampled at a predetermined time interval; a thickness data generating unit which generates thickness data in accordance with the speed; and a handwriting data generating unit which generates handwriting data by combining the thickness data and the locus data.
  • step (c) comprises steps of:
  • step (b) generates an additional locus data by predetermined distance from the end point of the input device moved by the user, and wherein the step (c) generates predetermined thickness data corresponding to the additional locus data.
  • a method of inputting handwriting comprising steps of: (a) generating coordinates of an input device moved by a user; (b) calculating a moving speed of the input device by generating locus data of the input device by using the coordinates, and by sampling the coordinates of the input device at a predetermined time interval; and (c) generating handwriting data by generating thickness data in accordance with the speed, and by combining the thickness data and the locus data.
  • the thickness data generating unit comprises: a thickness converting unit which generates thickness data based on the speed; a buffering unit which sequentially stores the thickness data sequentially received from the thickness converting unit, and which outputs the thickness data after predetermined time is elapsed; and a thickness adjusting unit which outputs the thickness data, the thickness data being adjusted at a start point and an end point of the input device moved by the user by using the thickness data which is received from the thickness converting unit and thickness data which is stored in the buffering unit.
  • the locus data generating unit outputs an additional locus data by predetermined distance from the end point of the locus of the input device moved by the user, so that the additional locus data is outputted to the handwriting data generating unit, and wherein the thickness data generating unit generates predetermined thickness data corresponding to the additional locus data, so that the predetermined thickness data is outputted to the handwriting data generating unit.
  • a method and an apparatus which generate thickness data of handwriting in accordance with user's handwriting speed, and which generate handwriting data by combining the thickness data and locus data of the user's handwriting. Therefore, the user can input handwriting with natural feeling of handwriting.
  • the thickness data at a start point and an end point of the user's handwriting are adjusted, the user can input handwriting with vibrant and natural feeling of handwriting.
  • FIG. 1 is a diagram illustrating a concept of a method of inputting handwriting according to the present invention.
  • FIG. 2 is a block diagram illustrating a configuration of a handwriting input system for inputting handwriting according to an embodiment of the present invention.
  • FIGS. 3 to 5 are diagrams illustrating implementing examples of an input device according to the present invention.
  • FIG. 6 is a graph conceptually illustrating size of thickness data calculated from 11 sampling intervals of FIG. 1.
  • FIG. 7 is a graph illustrating the size of the thickness data generated at sampling intervals added in the sampling intervals of FIG. 6.
  • FIG. 8 is a diagram illustrating handwriting data according to a second embodiment of the present invention.
  • FIG. 21 FIG.
  • FIG. 9 is a block diagram specifically illustrating configurations of a thickness data generating unit according to a third embodiment of the present invention.
  • FIG. 10 is a diagram illustrating an adjusting operation of thickness data at a start point of handwriting.
  • FIG. 11 is a diagram illustrating an adjusting operation of thickness data at an end point of handwriting.
  • FIG. 12 is a diagram illustrating handwriting data according to the third embodiment of the present invention.
  • FIG. 1 is a diagram illustrating a concept of a method of inputting handwriting according to the present invention.
  • a concept of a method of inputting handwriting will be described with reference to FIG. 1.
  • an input device 300 such as a touch pad, a digitizer, and a pen mouse
  • thickness of handwriting is adjusted by estimating pressure of handwriting in accordance with a moving speed of the input device 300, and then the thickness is inputted.
  • coordinates of the handwriting are inputted through the input device 300 at predetermined time intervals.
  • the speed of the input device 300 is calculated by measuring distances between the sampled coordinates, so that the thickness of the handwriting is adjusted according to the speed of the input device 300.
  • FIG. 1 (b) shows the distances between the sampled coordinates at predetermined time intervals. Since the sampling time periods in FIG. 1 (b) are identical, the distances between the sampled coordinates are corresponding to the speeds between the sampled coordinates.
  • FIG. 2 is a block diagram illustrating a configuration of a handwriting input system according to an embodiment of the present invention.
  • the handwriting input system of the present invention is roughly configured to an input device 300 and a handwriting input apparatus 200.
  • the input device 300 when a user writes a character by moving the input device 300, the input device 300 outputs a signal of measuring a location of the input device 300 to the handwriting input apparatus 200.
  • the input device 300 can be implemented with various devices such as a mouse, a touch panel, and an input pen using an ultrasonic wave.
  • the handwriting input apparatus 200 generates the pressure data by simulating the pressure applied on a pen by the user using the signal received from the input device 300, and inputs user's handwriting in accordance with pressure data and the locus of the pen.
  • the handwriting input apparatus 200 generates coordinates of the input device 300 by using the signal of measuring the location of the input device 300. Then, the handwriting input apparatus 200 generates locus data of the input device 300, which denotes the user's handwriting, by using the coordinates. Then, the handwriting input apparatus 200 calculates speed data of the input device 300. Then, the handwriting input apparatus 200 generates thickness data of the handwriting by simulating the pressure with the speed of the input device 300, which is inversely proportional to the speed data and is proportional to the pressure. Finally, the handwriting input apparatus 200 stores the locus data of the input device 300 and thickness data as handwriting data.
  • the handwriting input apparatus 200 as shown in FIG. 2 may be implemented by software installed in an electronic apparatus such as a computer, as well as by firmware of a separate hardware connected to a computer or a display apparatus through the USB protocol and the like, so that the handwriting data generated in the firmware can be displayed on or stored in the computer 400 and the like.
  • the handwriting input apparatus 200 as shown in FIG. 2 includes a coordinates generating unit 210, a locus data generating unit 220, a handwriting data generating unit 230, a speed calculating unit 240, a thickness data generating unit 250, a display unit 410, a storage unit 420, and an interface unit 260 which communicates with an external apparatus.
  • the coordinates generating unit 210 generates coordinates of the input device 300 by using a signal of measuring a location of the input device 300, so that the coordinates are transferred to the locus data generating unit 220 and the speed calculating unit 240, respectively.
  • the signal of measuring the location of the input device 300 may be varied corresponding to a type of the input device 300.
  • the input device 300 is a touch panel included in a tablet PC
  • the signals measured by sensors in the touch panel are outputted to the coordinates generating unit 210.
  • the coordinates generating unit 210 generates coordinates on locations of an input pen of the touch panel by using the signals.
  • the input device 300 may be exemplified as an input pen 50 which simultaneously emits a reference signal such as infrared rays, a radio frequency (RF), and an electromagnetic induction signal, and an ultrasonic signal; a receiver 40 which receives the reference signal; and two ultrasonic signal receivers 30a and 30b which receive the ultrasonic signal.
  • the coordinates generating unit 210 receives a received time of the reference signal, and received times of the ultrasonic signal which are received by the ultrasonic signal receivers 30a and 30b with a certain isolation distance, as signals on measuring a location.
  • the coordinates generating unit 210 calculates distances a and b between the input pen 50 and the respective ultrasonic signal receivers 30a and 30b by using a time difference between the received times of the reference signal and the ultrasonic signal. Therefore, the coordinates generating unit 210 can generate coordinates (x, y) of the input pen 50 by using the distances a and b and the isolation distance c between the ultrasonic signal receivers 30a and 30b.
  • the input device 300 may be exemplified by a pen mouse. Since a method of generating coordinates of the pen mouse is the same that of the pen mouse of general personal computers (PCs), the detailed description thereof will be omitted.
  • PCs personal computers
  • the locus data generating unit 220 generates the locus data of the input device 300 denoting the user's handwriting by connecting the coordinates from the coordinates generating unit 210, so that the locus data is transferred to the handwriting data generating unit 230.
  • the speed calculating unit 240 samples the coordinates from the coordinates generating unit 210 at predetermined time intervals, and calculates distances between the sampled coordinates. Thus, the speed calculating unit 240 calculates a moving speed between the coordinates of the input device 300, so that the speed is transferred to the thickness data generating unit 250.
  • the speed calculating unit 240 samples the real-time coordinates at predetermined time intervals, and extracts 12 sampled coordinates 101 to 112 (refer to FIG. 1 (b)). Then, the speed calculating unit 240 calculates the speed of the input device 300 in 11 intervals between the respective sampled coordinates by dividing the distances between the respective sampled coordinates by predetermined time intervals. Since the respective sampling time intervals are identical, only the distances between the respective sampled coordinates can be used to compare relative sizes of the speeds between the respective sampled coordinates.
  • the thickness data generating unit 250 which receives the speeds between the respective sampled coordinates from the speed calculating unit 240, generates thickness data which are inversely proportional to the speed.
  • the pressure applied on the input pen is proportional to the thickness of handwriting while the speed of the input pen is inversely proportional to the pressure applied on the input pen.
  • the thickness of the handwriting is inversely proportional to the moving speed of the input pen. Therefore, the thickness data generating unit 250 generates the thickness data between the respective sampled coordinates to inversely proportionate to the speed from the speed calculating unit 240, so that the thickness data is transferred to the handwriting data generating unit 230.
  • the thickness data generating unit 250 can generate the thickness data of the handwriting in the corresponding interval by subtracting the scaled speed from the maximum thickness (reference thickness) scaled at 255.
  • FIG. 6 is a graph conceptually illustrating size of the thickness data calculated from 11 sampling intervals of FIG. 1, according to the described above method. It should be noted that various methods can be applied on generating the thickness data in addition to the above method.
  • the handwriting data generating unit 230 generates the handwriting data by combining the locus data from the locus data generating unit 220 and the thickness data from the thickness data generating unit 250, so that the handwriting data is transferred to the external interface unit 260.
  • the external interface unit 260 transfers the handwriting data to an electronic apparatus such as a computer and a display apparatus (hereinafter, referred to as a computer) through a predetermined protocol such as the universal serial bus (USB) protocol.
  • a predetermined protocol such as the universal serial bus (USB) protocol.
  • the handwriting data transferred to the computer 400 is displayed to the user in real time through the display unit 410.
  • the handwriting data is transferred to the display unit 410, together with the storage unit 420, so that the handwriting data is stored in a storage device such as a memory and a hard disk.
  • the end of the line of the handwriting is processed to be naturally a thin line by extending the line by a predetermined distance from the end of handwriting during predetermined sampling times.
  • the exterior of the handwriting can be seen more natural and good. Since the second embodiment is different from the first embodiment in the subsequent processing of the end of handwriting, only this processing will be described.
  • the locus data generating unit 220 when the user writes with the input device 300 and stops the input device 300 at the end of handwriting (for example, removing a pen tip of a ultrasonic input pen from a surface, removing an input pen from a touch panel, and releasing a left button of a mouse), the locus data generating unit 220 generates additional locus data corresponding to a predetermined distance, so that the locus data is transferred to the handwriting data generating unit 230.
  • the predetermined distance corresponding to the additional locus data may be determined by a setting of the user or a manufacturer, or may be determined in proportion to the length of the line, or may be determined in proportion to the reference thickness (255 in the first embodiment) of the reference thickness.
  • a direction of the additional locus data may be set to a traveling direction of the locus at the end of handwriting, or may be set to a direction of a normal vector, the invention is not limited thereto.
  • the thickness data generating unit 250 when the speed from the speed calculating unit 240 is zero or not transferred any more, the thickness data generating unit 250 generates thickness data which is reduced by a predetermined thickness for predetermined sampling intervals, so that the reduced thickness data is transferred to the handwriting data generating unit 230.
  • the thickness data generating unit 250 when the user draws the line, the thickness data generating unit 250 generates thickness data which is constantly reduced by an absolute size or a thickness rate for additional sampling intervals of a predetermined number (for example, 3) after the last sampling interval 112, so that the thickness data is transferred to the handwriting data generating unit 230.
  • a predetermined number for example, 3
  • FIG. 7 is a graph illustrating the size of the thickness data which is generated for additional sampling intervals. As shown in FIG. 7, the thickness data of the additional sampling intervals 113 to 115 are generated to be reduced from the thickness of the last sampling interval 112 by a constant size at a time. It should be noted that various methods in which the thickness data generating unit 250 determines the thickness for the additional sampling intervals are applied in addition to the above method.
  • the handwriting data generating unit 230 generates handwriting data by combining the additional locus data and the thickness data, so that the handwriting data is transferred to the computer 400 to be stored and displayed for the user.
  • FIG. 8 is a diagram illustrating the user's handwriting data according to the second embodiment
  • FIG. 8 (a) illustrates the handwriting data according to the first embodiment
  • FIG. 8 (b) and (c) illustrate the handwriting data having different additional locus data, respectively, according to the second embodiment.
  • a configuration and performance of the third embodiment is identical with that of the first embodiment.
  • the thickness data generating unit 250 further includes therein a buffering unit 254.
  • the thickness data generating unit 250 further performs an adjusting function of the start point and the end point of the handwriting during predetermined sampling intervals. Therefore, the third embodiment will be described only about configurations of the thickness data generating unit 250 in detail.
  • FIG. 9 is a block diagram illustrating configurations of the thickness data generating unit in detail according to the third embodiment of the present invention.
  • FIG. 10 is a diagram illustrating an adjusting operation of thickness data at a start point of handwriting.
  • FIG. 11 is a diagram illustrating an adjusting operation of thickness data at an end point of handwriting.
  • the thickness data generating unit 250 includes a thickness converting unit 252, a buffering unit 254, and a thickness adjusting unit 256.
  • the thickness converting unit 252 speed data at each sampling interval is received in the same scheme as described above in connection with the first embodiment. In addition, the thickness converting unit 252 converts the speed data into thickness data.
  • the buffering unit 254 when the thickness data for each sampling interval is sequentially received from the thickness converting unit 252 and predetermined sampling intervals are elapsed, the thickness data are outputted to the thickness adjusting unit 256 from the first received thickness data.
  • the buffering unit 254 may be implemented by a shift register.
  • the thickness adjusting unit 256 generates thickness data of a locus of handwriting corresponding to the predetermined sampling intervals from the start point and the end point of the handwriting by using thickness data which is directly received from the thickness converting unit 252 in real-time, and by using thickness data which is received from the buffering unit 254.
  • the thickness adjusting unit 256 may adjust the thickness data through various schemes. The description thereof will be made with reference to FIG. 10.
  • the thickness adjusting unit 256 receives a sequence of thickness data (801) at each sampling interval from the thickness converting unit 252. In addition, after predetermined sampling times (3 sampling times in FIG. 10) are elapsed, the thickness adjusting unit 256 receives a sequence of thickness data (802) from the buffering unit 254 which is the same as thickness data received from the thickness converting unit 252.
  • the thickness adjusting unit 256 When the thickness adjusting unit 256 receives the thickness data (250) from the buffering unit 254, the thickness adjusting unit 256 outputs a thickness data set in advance as the first thickness data of the locus of the handwriting (which is set to 40 in the embodiment) to the handwriting data generating unit 230 as the first thickness data.
  • the thickness adjusting unit 256 calculates a difference between a thickness data (160) which is received from the thickness converting unit 252 and a thickness data (40) which is outputted to the handwriting data generating unit 230. After that, an increased value (40) is calculated by dividing the difference by a predetermined number (delayed sampling interval times for outputting the thickness data in the embodiment). After that, thickness data (80) at a next sampling interval is generated by adding the increased value (40) and a current thickness data (40), so that the thickness data (80) is transferred to the handwriting data generating unit 230.
  • the thickness adjusting unit 256 After that, the thickness adjusting unit 256 generates thickness data (120) at a next sampling interval by adding the thickness data (80) which is transferred to the handwriting data generating unit 230 and the increased value (40). In this scheme, the thickness data generating unit 250 adjusts thickness data at predetermined sampling intervals.
  • the thickness adjusting unit 256 outputs thickness data (160), which is received from the buffering unit 254, to the handwriting data generating unit 230.
  • the thickness adjusting unit 256 calculates a reduced value (40) by dividing a difference between thickness data (160) which is outputted to the handwriting data generating unit 230 at the sampling interval of the completed handwriting and thickness data (40) which is set as the thickness data at the end point of the handwriting by the delayed sampling interval times (3).
  • the thickness adjusting unit 256 generates current thickness data (120) by subtracting the reduced value (40) from thickness data of previous sampling interval, so that the current thickness data (120) is outputted to the handwriting data generating unit 230.
  • the thickness adjusting unit 256 outputs thickness data (80) by subtracting the reduced value (40) from the preceding thickness data (120).
  • the last thickness data is the thickness data (40) which is set in advance.
  • the above method of generating thickness data is only one example.
  • the present invention may be implemented in various schemes.
  • the thickness adjusting unit 256 may output a added value by dividing the difference between the thickness data currently received from the thickness converting unit 252 and the thickness data currently outputted to the handwriting data generating unit 230 by the reminding sampling interval times.
  • the thickness data is outputted in order of 40, 80, 115, and 160.
  • the same scheme may be implemented.
  • FIG. 12 is a diagram illustrating handwriting data according to the third embodiment of the present invention.
  • FIG. 12 (a) illustrates handwriting data according to the first embodiment of the present invention
  • FIG. 12 (b) illustrates handwriting data according to the third embodiment of the present invention.
  • the handwriting data according to the third embodiment is seen with extraordinar and natural feeling of handwriting at the start point and the end point of the handwriting.
  • the thickness may be adjusted only at the start point of the handwriting and not at the end point.
  • the thickness at the start point of the handwriting may be adjusted according to the third embodiment
  • the thickness at the end point of the handwriting may be adjusted according to the second embodiment.
  • the method of the present invention can also be embodied as computer readable codes on a computer readable recording medium.
  • the computer readable recording medium is any data storage device that can store data which can be thereafter read by a computer system. Examples of the computer readable recording medium include readonly memory (ROM), random-access memory (RAM), CD-ROMs, magnetic tapes, floppy disks, optical data storage devices, and carrier waves (such as data transmission through the Internet).
  • ROM readonly memory
  • RAM random-access memory
  • CD-ROMs compact discs
  • magnetic tapes magnetic tapes
  • floppy disks optical data storage devices
  • carrier waves such as data transmission through the Internet

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

Abstract

La présente invention concerne, d'une part un procédé et un appareil pour l'entrée d'écriture manuscrite de l'utilisateur dans un appareil électronique tel qu'un ordinateur par l'intermédiaire du pavé tactile, d'un numériseur, et d'un stylet-souris, et d'autre part un système d'entrée l'utilisant. L'invention concerne plus particulièrement un procédé et un appareil qui produisent des données d'épaisseur de l'écriture manuscrite correspondant à une vitesse d'écriture manuelle de l'utilisateur, et qui génèrent des données d'écriture manuelle en combinant les données d'épaisseur et les données de localisation de l'écriture manuscrite de l'utilisateur. Cela permet à l'utilisateur d'entrer de l'écriture manuscrite avec la sensation naturelle de l'écriture manuscrite. En outre, étant donné que les données d'épaisseur au point de départ et au point d'arrivée de l'écriture manuscrite sont ajustées, l'utilisateur peut utiliser l'écriture manuscrite avec une sensation exquise et naturelle d'écriture manuscrite. En outre, étant donné que cette fonction peut être intégrée dans un dispositif d'entrée, les données peuvent être affichées sur un appareil tel qu'un ordinateur et y être enregistrées sans traitement supplémentaire de données.
PCT/KR2008/000726 2007-02-09 2008-02-05 Procédé et appareil pour l'entrée d'écriture manuscrite et système d'entrée l'utilisant WO2008097024A1 (fr)

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KR20070013655A KR100869712B1 (ko) 2007-02-09 2007-02-09 필기 입력 방법 및 장치와 이를 이용하는 입력 시스템
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US20100281984A1 (en) * 2008-01-15 2010-11-11 Pnf Co., Ltd. Method and apparatus for measuring position of the object using microphone
CN102063238A (zh) * 2010-12-24 2011-05-18 汉王科技股份有限公司 电磁感应信号的处理方法及装置
US20120139863A1 (en) * 2009-07-21 2012-06-07 Penandfree Co., Ltd. Apparatus and method for inputting writing information according to writing pattern
CN102830824A (zh) * 2011-06-13 2012-12-19 崔伟 一种软笔仿真系统及软笔仿真方法
EP2325739A3 (fr) * 2009-11-20 2015-05-20 Sony Corporation Procédé et dispositif de traitement d'informations
WO2016053727A1 (fr) * 2014-09-29 2016-04-07 Microsoft Technology Licensing, Llc Prédicteur d'encre humide
US11934652B2 (en) 2020-10-14 2024-03-19 Samsung Electronics Co., Ltd. Display apparatus and control method thereof

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KR101080254B1 (ko) * 2009-06-02 2011-11-08 (주)펜앤프리 터치스크린을 이용한 필기 입력 방법 및 이를 이용한 필기 입력 장치
KR102240279B1 (ko) 2014-04-21 2021-04-14 삼성전자주식회사 컨텐트 처리 방법 및 그 전자 장치
KR102075424B1 (ko) * 2014-11-28 2020-02-11 삼성전자주식회사 필기 입력 장치 및 그 제어 방법

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