WO2009146597A1 - 手写输入处理装置和方法 - Google Patents

手写输入处理装置和方法 Download PDF

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Publication number
WO2009146597A1
WO2009146597A1 PCT/CN2008/073852 CN2008073852W WO2009146597A1 WO 2009146597 A1 WO2009146597 A1 WO 2009146597A1 CN 2008073852 W CN2008073852 W CN 2008073852W WO 2009146597 A1 WO2009146597 A1 WO 2009146597A1
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Prior art keywords
touch screen
coordinate point
parameter
module
user
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PCT/CN2008/073852
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English (en)
French (fr)
Inventor
张晓勇
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中兴通讯股份有限公司
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40065529&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009146597(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to JP2011501088A priority Critical patent/JP2011516946A/ja
Priority to EP08874523A priority patent/EP2254029A4/en
Priority to US12/918,976 priority patent/US20110063258A1/en
Publication of WO2009146597A1 publication Critical patent/WO2009146597A1/zh

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/04166Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers
    • G06F3/0418Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487Interaction 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
    • G06F3/0488Interaction 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
    • G06F3/04883Interaction 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 the field of communications, and in particular, to a handwriting input processing apparatus and method.
  • BACKGROUND With the continuous development of mobile communication technologies, mobile communication terminals have gradually become personal information processing platforms. Among them, one of the basic interfaces and methods for human-machine information interaction is the mobile phone input method, but due to the size of the mobile phone keyboard hardware and human fingers The physiological size of the fingertip is limited. Although the keyboard input method is widely used, the input efficiency is relatively low. At present, there is a method of handwriting input for such problems.
  • the handwriting input method is a fusion technology based on touch screen technology, trajectory recognition technology, and graphic application development technology.
  • the touch screen When the user uses the handwriting input method, the touch screen is given a certain pressure via the touch pen, and the user clicks or slides the touch pen, and the touch screen driver converts the sampled voltage into coordinate points on the corresponding screen, and is adapted to the input adaptation layer ( Input Adaptation Layer (referred to as IAL) uses pixels and messages.
  • the IAL layer converts touch messages and touch coordinates to user device interface / user graphics interface
  • GDI/Graphics User Interface (Graphics Device Interface, referred to as GDI/Graphics User Interface, for short) is the message required. If touch calibration is required, the data is calibrated first, and then sent to GDI/GUL GDI/GUI to differentiate the message reported at the bottom layer into Touch the pen's point, lift, and move operations, and attach the corresponding coordinate data to these messages. Using the handwriting input program, the resulting coordinates and messages are drawn on the screen, and the complete handwriting is handed over to the input method recognition engine. In the process of processing, in the case that the hardware processing capability of the mobile terminal itself is constant, the execution efficiency of the program is relatively high. Currently, the handwriting input method can improve input efficiency by extending interface graphic elements.
  • the recognition rate of the grass body is low, the handwriting is hard when handwriting, and the user experience is not high.
  • the feel of the user when writing is related to the coefficient of friction between the stylus and the touch screen, but mainly depends on the efficiency of the global program operation.
  • the research on handwriting input mainly focuses on the touch screen driver.
  • the present invention has been made in view of the problem of low efficiency. To this end, it is a primary object of the present invention to provide an improved handwriting input processing scheme to solve at least one of the above problems.
  • a handwriting input processing apparatus is provided.
  • the handwriting input processing apparatus includes: a touch adaptation module, configured to receive configuration parameters from a user, and transmit the configuration parameters to a parameter configuration file storage module; a parameter configuration file storage module, configured to store the configuration The parameter, and the stored configuration parameter according to the configuration parameter from the feel adaptation module; the touch screen coordinate point sampling parameter control module, configured to determine the time efficiency and space efficiency of the coordinate point sampling according to the configuration parameter currently stored in the parameter configuration file storage module
  • the touch screen coordinate point calibration parameter control module is configured to determine whether the coordinate point calibration needs to be performed on the touch screen according to the configuration parameter currently stored in the parameter configuration file storage module;
  • the handwriting track identification parameter control module is configured to The stored configuration parameters determine the time interval between strokes written by the user, the time interval between words, and identify the user's input.
  • the device may further include: a touch screen coordinate point sampling module, configured to sample the operation of the user on the touch screen according to the time efficiency and space efficiency determined by the touch screen coordinate point sampling parameter control module, and coordinate points operated by the user Reported.
  • the device may further include: a handwriting track recognition module, configured to receive the coordinate points reported by the touch screen coordinate point sampling module, and identify the user's operation according to the received coordinate points.
  • the foregoing apparatus may further include: a touch screen coordinate point calibration module, configured to calibrate the touch screen under the control of the touch screen coordinate point calibration parameter control module.
  • the touch screen coordinate point calibration parameter control module is configured with a plurality of calibration rules having different running speeds and/or running precisions, and the touch screen coordinate point calibration parameter control module is further configured to perform the touch screen coordinate point calibration module according to the calibration rule. Touch screen calibration for control.
  • the parameter configuration file storage module includes a default configuration parameter, where the touch screen coordinate point sampling parameter control module, the touch screen coordinate point calibration parameter control module, and the handwriting are not received by the user input parameter.
  • the track identification parameter control module performs respective processing according to default configuration parameters. According to another aspect of the present invention, a handwriting input processing method is provided.
  • a handwriting input processing method includes: determining a time efficiency and a space efficiency of sampling a coordinate point of a touch screen according to a pre-stored configuration parameter; determining a time interval between words written by the user according to the configuration parameter, and a word The time interval between the two is based on the time interval between the strokes, the time interval between words, the time efficiency, and the space efficiency to sample and identify the user's operation on the touch screen.
  • the method further includes: receiving configuration parameters from the user, and updating the stored configuration parameters with the received configuration parameters.
  • the time interval between the strokes written by the user and the time interval between the words are determined according to the configuration parameters, and the time interval between the strokes and the time interval between the words are determined according to the determined parameters.
  • Figure la is a block diagram showing the structure of a handwriting input processing device according to an embodiment of the device of the present invention
  • Figure 1b is a block diagram showing a preferred structure of a handwriting input processing device according to an embodiment of the device of the present invention
  • FIG. 3 is a flow chart of a handwriting input processing method in accordance with an embodiment of the method of the present invention. Detailed description of the function
  • the embodiment of the present invention provides an improved handwriting input processing solution.
  • the time interval between the strokes written by the user and the time interval between words can be determined according to the configuration parameters. Then, according to the determined time interval between the strokes, the time interval between words, the time efficiency, and the space efficiency, the user's operation on the touch screen is sampled and recognized, and the overall optimization effect of the handwriting input can be obtained.
  • the embodiments of the present invention are described in detail below with reference to the accompanying drawings. The features of the embodiments of the present invention and the embodiments may be combined with each other if they do not conflict. Apparatus Embodiment In this embodiment, a handwriting input processing apparatus is provided.
  • FIG. 1 is a block diagram showing the structure of a handwriting input processing apparatus according to an embodiment of the apparatus of the present invention.
  • the device includes: a touch sensing module 10 , a parameter configuration file storage module 12 , a touch screen coordinate point sampling parameter control module 14 , a touch screen coordinate point calibration parameter control module 16 , and a handwritten track recognition parameter control module 18 .
  • the sensor adaptation module 10 is configured to receive configuration parameters from the user, form the configuration parameter into a parameter configuration file, and transmit the parameter configuration file to the parameter configuration file storage module 12 for saving; Adjusting the feel provided to the user to meet the different preferences of different users.
  • the module can record the user-recognized soft feeling of the hand as a configuration parameter in the configuration file and take effect immediately.
  • the parameter configuration file storage module 12 is connected to the touch sensing module 10, the touch screen coordinate point sampling parameter control module 14, the touch screen coordinate point calibration parameter control module 16, and the handwritten track identification parameter control module 18 for storing configuration parameters (ie, parameters)
  • the configuration file ), and the stored configuration parameters are updated according to the configuration parameters from the touch adaptation module 10, and in order to prevent the saved parameters from being lost when the mobile phone is powered off, or in order to prevent the user from resetting the parameters each time after powering on
  • the parameter configuration file can be read by the touch screen coordinate point sampling parameter control module 14, the touch screen coordinate point calibration parameter control module 16, and the handwritten track identification parameter control module 18, and can also be read and written by the user hand sensing module 10.
  • the parameter configuration file storage module 12 includes default configuration parameters.
  • the touch adaptation module 10 does not receive the parameter input by the user, the touch screen coordinate point sampling parameter control module 14 and the touch screen coordinate point calibration parameter control module 16 And the handwritten track recognition parameter control module 18 performs respective processing according to the default configuration parameters.
  • the touch screen coordinate point sampling parameter control module 14 is connected to the parameter configuration file storage module 12 for determining the time efficiency and space efficiency of the coordinate point sampling according to the configuration parameters currently stored in the parameter configuration file storage module 12; wherein, in the program control structure Under the premise of fixed and correct, the change of time efficiency is mainly to adjust the occupation/sleep time of the thread.
  • the change of space efficiency is mainly achieved by adjusting the size of the buffer.
  • the touch screen coordinate point calibration parameter control module 16 is connected to the parameter configuration file storage module 12 for determining whether coordinate point calibration needs to be performed on the touch screen according to the configuration parameters currently stored in the parameter configuration file storage module 12.
  • the handwriting trajectory identification parameter control module 18 is connected to the parameter configuration file storage module 12 for determining the time interval between the strokes written by the user and the time interval between words according to the configuration parameters currently stored in the parameter configuration file storage module 12.
  • FIG. 1b shows a preferred structure of the handwriting input processing apparatus according to the apparatus embodiment of the present invention.
  • the preferred structure of the handwriting input processing apparatus according to the apparatus embodiment of the present invention includes: touch screen coordinates The point sampling module 11, the handwriting track recognition module 13, and the touch screen coordinate point calibration module 15. The functions of these modules are described below.
  • the touch screen coordinate point sampling module 11 is preferably coupled to the touch screen coordinate point sampling parameter control module 14 for sampling the user's operation on the touch screen according to the time efficiency and space efficiency determined by the touch screen coordinate point sampling parameter control module 14 and 4 ⁇ on the coordinate point of the user operation.
  • This module creates the necessary threads and registers the corresponding interrupts. When a user physically clicks on the touch screen, a touch interrupt will be generated. When the touch interrupt occurs, the sampled voltage will be generated. This module converts the voltage generated by the touch into screen coordinates. , and store the coordinate value in the memory space specified by IAL. IAL accesses this memory space to obtain data.
  • the handwriting track recognition module 13 is preferably connected to the touch screen coordinate point sampling module 11 for receiving the coordinate points reported by the touch screen coordinate point sampling module 11 and identifying the user's operation according to the received coordinate points.
  • the handwriting track recognition module 13 records a series of coordinate points reported by the bottom layer in the memory, and passes the coordinate points to the recognition engine for processing.
  • the handwritten track recognition module 13 converts the code into GB2312 code or other code according to the requirements of the calling program, and returns it to the calling program.
  • the touch screen coordinate point calibration module 15 is located at the IAL layer, and its function is to coordinate the position of the touch screen coordinate point sampling module 11 when the touch screen device and the LCD device are physically displaced or deflected during the pasting process, or when the touch screen device is aged. Make corrections.
  • the touch screen coordinate point calibration parameter control module 16 is configured with a plurality of calibration rules having different running speeds and/or running precisions, and the touch screen coordinate point calibration parameter control module 16 is further configured to perform a touch screen coordinate point calibration module according to the calibration rule. 15 performed touch screen calibration for control.
  • the configuration parameter can be configured according to the configuration parameter. Determining the time interval between the strokes written by the user, the time interval between words, and determining the time interval between the strokes, the time interval between words, the time efficiency, and the space efficiency on the user's touch screen. The operation performs sampling and recognition, so that the overall optimization of the handwriting input can be obtained.
  • the use process of the above device will be further described in detail below.
  • the user judges whether the hand feels according to his own habits by testing the handwriting; if it does not match, it goes to the second step, and if it does, it goes to the third step; in the second step, the user calls the user feel adaptation module 10, and then According to the prompt of the mobile terminal interface, whether the touch is hard or the touch is soft; the user feel adaptation module 10 generates a series of configuration data, and stores it in the parameter configuration file storage module 12; the process goes to the first step; The user officially starts handwriting; the fourth step is to generate a touch voltage; in the fifth step, the touch screen coordinate point sampling module 11 calls the interface provided by the touch screen coordinate point sampling parameter control module 14; the sixth step, the touch screen coordinate point sampling parameter control module 14 The parameter configuration file storage module 12 reads the configuration file, and returns the legal parameter value to the touch screen coordinate point sampling module 11; in the seventh step, the touch screen coordinate point sampling module 11 adjusts the thread
  • Step 8 Touch screen coordinate points
  • the sampling module 11 stores the screen coordinate point obtained by the voltage conversion in the buffer, and controls the duration of the thread sleep parameter of the thread; in the ninth step, after receiving the data transmitted by the touch screen coordinate point sampling module 11, the IAL layer enters the touch screen coordinates.
  • Point calibration module 15; Step 10 the touch screen coordinate point calibration module 15 calls the interface provided by the touch screen coordinate point calibration parameter control module 10;
  • the touch screen coordinate point calibration module parameter control module 16 reads the configuration file, and the legal parameters are The value is returned to the touch screen coordinate point calibration module 15;
  • the touch screen coordinate point calibration module 15 determines whether to perform calibration according to the parameter, and if the calibration is performed, proceeds to the thirteenth step, otherwise, the uncalibrated data is transmitted. Go to the handwriting track recognition module 13 and proceed to the fourteenth step;
  • the touch screen coordinate point calibration module 15 performs an efficient branch or a common branch according to the parameter, and transmits the calibrated data to the handwritten trajectory recognition module 13; in the fourteenth step, the handwritten trajectory recognition module 13 calls the handwritten trajectory identification parameter.
  • FIG. 1 is a schematic diagram of a structural example 1 of a handwriting input processing apparatus according to an embodiment of the apparatus of the present invention. As shown in FIG.
  • the apparatus includes: a touch screen coordinate point sampling module 201, a touch screen coordinate point calibration module 202, and handwriting.
  • the touch screen coordinate point sampling module 201 is connected to two modules, that is, the touch screen coordinate point sampling parameter control module 205 and the touch screen coordinate point calibration module 202 for responding to external input.
  • the module When the touch screen is physically touched or swiped, the module is called up, the module calls the interface provided by the touch screen coordinate point sampling parameter control module 205, and adjusts its thread occupancy/sleep time according to the parameters returned by the interface. And the size of the buffer.
  • the touch screen coordinate point sampling module 201 converts the sampled voltage into screen coordinates, and stores the screen coordinate values in a buffer, which is processed by the touch screen coordinate point calibration module 202.
  • the touch screen coordinate point calibration module 202 is connected to the two modules, that is, the touch screen coordinate point calibration parameter control module 206 and the handwritten track recognition module 203.
  • the touch screen coordinate point calibration module 202 begins execution.
  • the execution path of the touch screen coordinate point calibration module 202 is also controlled by parameters. This parameter is derived from the return value of the touch screen coordinate point calibration parameter control module 206. These return values, i.e., control parameters, determine whether the touch screen coordinate point calibration module 202 is executed or in which path.
  • the data transmitted by the touch screen coordinate point sampling module 201 is processed by the touch screen coordinate point calibration module 202 and transmitted to the handwritten track recognition module 203.
  • the handwriting track recognition module 203 is connected to the two modules and sends the processing result to an external program, which are a handwritten track recognition parameter control module 207 and a touch screen coordinate point calibration module 202, respectively.
  • the handwriting track recognition module 203 calls the interface provided by the handwritten track recognition parameter control module 207, and determines the time interval between the strokes, the time interval between the words, and the coordinate point recording frequency under the control of the parameters returned by the interface.
  • the handwritten track recognition module 203 transmits the recognized character inner code to the external program.
  • the user feel adaptation module 204 is executed by the user to convert the user-accepted hand into a series of parameters required by the touch screen coordinate point sampling parameter control module 205, the touch screen coordinate point calibration parameter control module 206, and the handwritten track recognition parameter control module 207. And save the parameter in parameter configuration file 208.
  • the touch screen coordinate point sampling parameter control module 205 is preferably coupled to the read parameter configuration file 208 and communicates the relevant data in the parameter configuration file 208 to the touch screen coordinate point sampling module 201. At the same time, when the parameter configuration file 208 is abnormally destroyed or the related data in the parameter configuration file 208 is illegal, the module transmits the correct data to the touch screen coordinate point sampling module 201 to complete effective control thereof.
  • the touch screen coordinate point calibration parameter control module 206 preferably coupled to the read parameter configuration file 208, is used to read the parameter configuration file 208 and communicate the relevant data in the parameter configuration file 208 to the touch screen coordinate point calibration module 202.
  • the module completes the correct data transmission to the touch screen coordinate point calibration module 202 when the parameter configuration file 208 is abnormally destroyed or the related data in the parameter configuration file 208 is illegal, to complete effective control thereof.
  • the handwritten trajectory identification parameter control module 207 preferably coupled to the read parameter configuration file 208, is used to read the parameter configuration file 208 and communicate the relevant data in the parameter configuration file 208 to the handwritten trajectory identification module 203.
  • the module transmits the correct data to the handwritten track recognition module 203 to complete effective control thereof.
  • a handwriting input processing method is provided.
  • the handwriting input processing method provided in the embodiment is implemented by using the handwriting input processing device provided in the device embodiment.
  • the steps shown in the flowchart of the accompanying drawings may be executed in a computer system such as a set of computer executable instructions, and, although the logical order is shown in the flowchart, in some cases, The steps shown or described may be performed in an order different than that herein.
  • 3 is a flow chart of a handwriting input processing method in accordance with an embodiment of the method of the present invention. As shown in FIG.
  • the handwriting input processing method includes the following steps (step S302 to step S304): Step S302, determining time efficiency of sampling coordinate points of the touch screen according to pre-stored configuration parameters. And space efficiency;
  • Step S302 determining time efficiency of sampling coordinate points of the touch screen according to pre-stored configuration parameters.
  • space efficiency Preferably, the configuration parameters from the user may be received first, and the stored configuration parameters are updated with the received configuration parameters, and then the above operations are performed according to the updated configuration parameters.
  • This preferred operation can be accomplished by the feel adaptation module 10, the parameter profile storage module 12, as shown in FIG.
  • step S302 can be completed by the touch screen coordinate point sampling parameter control module 14 as shown in FIG.
  • Step S303 determining whether coordinate point calibration needs to be performed on the touch screen according to the configuration parameter, and if the determination is yes, calibrating the touch screen according to a predetermined calibration rule.
  • step S303 can be completed by the touch screen coordinate point calibration parameter control module 16 as shown in FIG.
  • Step S304 determining the time interval between the strokes written by the user and the time interval between the words according to the configuration parameter, and determining the time interval between the strokes, the time interval between the words, the time efficiency, and Space efficiency samples and identifies the user's operation on the touch screen.
  • step S304 can be completed by the handwritten trajectory identification parameter control module 18 as shown in FIG.

Description

手写输入处理装置和方法
技术领域 本发明涉及通信领域,并且特别地,涉及一种手写输入处理装置和方法。 背景技术 随着移动通信技术的不断发展,移动通信终端逐渐成为个人信息处理平 台, 其中, 人机信息交互的基本接口和方法之一就是手机输入法, 但是, 由 于受到手机键盘硬件大小和人体手指指尖生理大小的限制, 键盘输入法虽然 应用广泛, 但是, 输入效率比较低。 目前, 针对此类问题, 出现了手写输入 的方法, 手写输入法是一种基于触摸屏技术、 轨迹识别技术、 和图形应用开 发技术的融合技术。 在用户使用手写输入法时, 经由触摸笔给予触摸屏一定的压力, 用户通 过点击或滑动触摸笔, 触摸屏驱动将采样得到的电压转换为相应屏幕上的坐 标点, 并适配为输入适配层( Input Adaptation Layer , 简称为 IAL )使用的像 素点和消息。 IAL 层将触摸消息和触摸坐标转换为用户设备接口 /用户图形接口
( Graphics Device Interface,简称为 GDI/Graphics User Interface,简称为 GUI ) 所需要的消息,如果需要触摸校准,则将数据先校准,之后再发送到 GDI/GUL GDI/GUI将底层上报的消息分化为触摸笔的点下、 抬起、 和移动三种操作, 并将相应的坐标数据附加于这些消息上。 利用手写输入法程序, 将得到的坐标和消息在屏幕上进行绘制, 并将完 整的字迹交由输入法识别引擎处理。 在其处理过程中, 在移动终端本身硬件 处理能力一定的情况下, 对于程序的执行效率的要求较高。 目前, 手写输入法通过扩展界面图形元素, 可以提高输入效率。 但是, 在采用手写输入法时, 草行体识别率低、 手写时笔迹生硬, 用户体验不高。 用户手写时的手感, 与手写笔和触摸屏之间的摩擦系数有关, 但是, 主要还 是取决于全局程序运行的效率。 除此之外, 在相关技术中, 对于手写输入的研究主要集中在触摸屏驱动
1 P23894 的坐标采样方法上, 这种方法着眼于采样坐标点与屏幕坐标之间精准的对应 关系, 而非手写输入方案的整体优化, 仍然存在移动终端的功耗较大、 执行 效率不高和手写时的手感较差的问题。 发明内容
效率低的问题而做出本发明, 为此, 本发明的主要目的在于提供一种改进的 手写输入处理方案, 以解决上述问题至少之一。 为达到上述目的, 才艮据本发明的一个方面, 提供了一种手写输入处理装 置。 才艮据本发明实施例的手写输入处理装置包括: 手感适配模块, 用于接收 来自用户的配置参数, 并将配置参数传输至参数配置文件存储模块; 参数配 置文件存储模块, 用于存储配置参数, 以及根据来自手感适配模块的配置参 数更新存储的配置参数; 触摸屏坐标点采样参数控制模块, 用于根据参数配 置文件存储模块中当前存储的配置参数确定坐标点采样的时间效率和空间效 率; 触摸屏坐标点校准参数控制模块, 用于根据参数配置文件存储模块中当 前存储的配置参数确定是否需要对触摸屏进行坐标点校准; 手写轨迹识别参 数控制模块, 用于根据参数配置文件存储模块中当前存储的配置参数确定用 户执行写入的笔画间的时间间隔、 字之间的时间间隔, 并识别用户的输入。 此外, 在上述装置中可以进一步包括: 触摸屏坐标点采样模块, 用于根 据触摸屏坐标点采样参数控制模块确定的时间效率和空间效率对用户在触摸 屏上的操作进行采样, 并将用户操作的坐标点上报。 此外, 在上述装置中还可以进一步包括: 手写轨迹识别模块, 用于接收 由触摸屏坐标点采样模块上报的坐标点, 并根据接收的坐标点识别用户的操 作。 另外, 在上述装置中还可以进一步包括: 触摸屏坐标点校准模块, 用于 在触摸屏坐标点校准参数控制模块的控制下对触摸屏进行校准。 优选地,上述触摸屏坐标点校准参数控制模块中配置有多种具有不同运 行速度和 /或运行精度的校准规则,触摸屏坐标点校准参数控制模块还用于根 据校准规则对触摸屏坐标点校准模块执行的触摸屏校准进行控制。
2 P23894 优选地, 上述参数配置文件存储模块中包含默认配置参数, 在手感适配 模块未接收到由用户输入的参数的情况下,触摸屏坐标点采样参数控制模块、 触摸屏坐标点校准参数控制模块、 和手写轨迹识别参数控制模块根据默认配 置参数进行各自处理。 才艮据本发明的另一个方面, 提供了一种手写输入处理方法。 根据本发明实施例的手写输入处理方法包括:根据预先存储的配置参数 确定对触摸屏的坐标点进行采样的时间效率和空间效率; 根据配置参数确定 用户执行写入的笔画间的时间间隔、 字之间的时间间隔, 并才艮据确定的笔画 间的时间间隔、 字之间的时间间隔、 时间效率、 和空间效率对用户在触摸屏 上的操作进行采样和识别。 此外, 在确定时间效率和空间效率之前, 进一步包括: 接收来自用户的 配置参数, 并用接收的配置参数更新存储的配置参数。 此外, 在进行采样和识别之前进一步包括: 根据配置参数确定是否需要 对触摸屏进行坐标点校准, 并在判断为是的情况下根据预定的校准规则对触 摸屏进行校准。 通过本发明的上述技术方案,才艮据配置参数确定用户执行写入的笔画间 的时间间隔、 字之间的时间间隔, 并才艮据确定的笔画间的时间间隔、 字之间 的时间间隔、 时间效率、 和空间效率对用户在触摸屏上的操作进行采样和识 另1 J , 从而能够解决相关技术中使用移动终端手写输入时用户手感生硬、 输入 效率低的问题, 能够取得手写输入时整体优化的效果, 并且, 还能够适应不 同用户的不同手写感受需求。 本发明的其它特征和优点将在随后的说明书中阐述, 并且, 部分地从说 明书中变得显而易见, 或者通过实施本发明而了解。 本发明的目的和其他优 点可通过在所写的说明书、 权利要求书、 以及附图中所特别指出的结构来实 现和获得。 附图说明 此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部 分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的 不当限定。 在附图中:
3 P23894 图 la是才艮据本发明装置实施例的手写输入处理装置的结构框图; 图 lb是才艮据本发明装置实施例的手写输入处理装置的优选结构框图; 图 2是才艮据本发明装置实施例的实例 1的示意图; 以及 图 3是才艮据本发明方法实施例的手写输入处理方法的流程图。 具体实施方式 功能相克述
效率低的问题, 本发明实施例提供了一种改进的手写输入处理方案, 通过本 发明实施例, 能够才艮据配置参数确定用户执行写入的笔画间的时间间隔、 字 之间的时间间隔, 并才艮据确定的笔画间的时间间隔、 字之间的时间间隔、 时 间效率、 和空间效率对用户在触摸屏上的操作进行采样和识别, 能够取得手 写输入整体优化的效果。 下面将结合附图详细描述本发明的实施例, 应当理解, 此处所描述的优 选实施例仅用于说明和解释本发明, 并不用于限定本发明。 如果不沖突, 本 发明实施例以及实施例中的特征可以相互组合。 装置实施例 在本实施例中, 提供了一种手写输入处理装置。 图 1是才艮据本发明装置 实施例的手写输入处理装置的结构框图。 如图 1 所示, 该装置包括: 手感适配模块 10、 参数配置文件存储模块 12、 触摸屏坐标点采样参数控制模块 14、 触摸屏坐标点校准参数控制模块 16、 手写轨迹识别参数控制模块 18。 下面详细说明上述模块的功能。 手感适配模块 10 , 用于接收来自用户的配置参数, 将得到的配置参数 形成参数配置文件, 并将该参数配置文件传输至参数配置文件存储模块 12 中进行保存; 才艮据配置参数, 可以调节提供给用户的手感, 以满足不同用户 的不同喜好, 例如, 该模块可将用户认可的手感柔度感受作为配置参数记录 于配置文件, 并即时生效。
4 P23894 参数配置文件存储模块 12, 连接至手感适配模块 10、 触摸屏坐标点采 样参数控制模块 14、 触摸屏坐标点校准参数控制模块 16、 手写轨迹识别参 数控制模块 18, 用于存储配置参数(即, 参数配置文件), 以及才艮据来自手 感适配模块 10 的配置参数更新存储的配置参数, 并且, 为了防止手机断电 的时候丢失保存的参数, 或者, 为了避免用户每次在开机后重设参数, 参数 配置文件可被触摸屏坐标点采样参数控制模块 14、触摸屏坐标点校准参数控 制模块 16、 手写轨迹识别参数控制模块 18读取, 同时, 还可被用户手感适 配模块 10读写。 优选地, 参数配置文件存储模块 12中包含默认配置参数, 在手感适配模块 10 未接收到由用户输入的参数的情况下, 触摸屏坐标点采 样参数控制模块 14、 触摸屏坐标点校准参数控制模块 16、 和手写轨迹识别 参数控制模块 18才艮据默认配置参数进行各自处理。 触摸屏坐标点采样参数控制模块 14 ,连接至参数配置文件存储模块 12, 用于根据参数配置文件存储模块 12 中当前存储的配置参数确定坐标点采样 的时间效率和空间效率; 其中, 在程序控制结构固定、 正确的前提下, 时间 效率的改变主要是调整线程的占用 /休眠时间, 空间效率的改变主要是通过调 节緩沖区的大小来实现。 并且特别地, 在配置文件出现异常时, 如文件损坏、 参数值非法, 本模块能够提供正确的参数。 触摸屏坐标点校准参数控制模块 16,连接至参数配置文件存储模块 12, 用于根据参数配置文件存储模块 12 中当前存储的配置参数来确定是否需要 对触摸屏进行坐标点校准。 在配置文件出现异常时, 如文件损坏、 参数值非 法, 本模块能够提供正确的参数。 手写轨迹识别参数控制模块 18, 连接至参数配置文件存储模块 12, 用 于根据参数配置文件存储模块 12 中当前存储的配置参数确定用户执行写入 的笔画间的时间间隔、 字之间的时间间隔, 并识别用户的输入; 该模块还可 以通过相关的其他参数, 来决定坐标点的记录频率; 在配置文件出现异常时, 如文件损坏、 参数值非法, 本模块能够提供正确的参数。 此外, 图 lb示出了才艮据本发明装置实施例的手写输入处理装置的优选 结构, 如图 lb 所示, 才艮据本发明装置实施例的手写输入处理装置的优选结 构包括: 触摸屏坐标点采样模块 11、 手写轨迹识别模块 13、 触摸屏坐标点校 准模块 15。 下面对这些模块的功能进行描述。
5 P23894 触摸屏坐标点采样模块 11 , 优选地连接至触摸屏坐标点采样参数控制 模块 14, 用于根据触摸屏坐标点采样参数控制模块 14确定的时间效率和空 间效率对用户在触摸屏上的操作进行采样, 并将用户操作的坐标点上 4艮。 本 模块创建必要的线程、 注册相应的中断, 当物理上有用户点击触摸屏时, 将 产生触摸中断, 触摸中断发生时, 会带有采样得到的电压, 本模块将触摸产 生的电压转换为屏幕坐标, 并将坐标值存储于 IAL指定的内存空间中, IAL 访问这个内存空间获得数据。 若系统使用触摸屏坐标点校准模块 15, 那么还有其他的参数决定触摸 屏坐标点校准模块 11的内部流程是使用高速分支、还是普通分支; 高速分支 的代码经过优化, 运行速度高, 但校准精度差; 普通分支的代码未经优化, 运行速度较慢, 但精度高。 手写轨迹识别模块 13 , 优选地连接触摸屏坐标点采样模块 11 , 用于接 收由触摸屏坐标点采样模块 11上报的坐标点,并根据接收的坐标点识别用户 的操作。 手写轨迹识别模块 13 将底层上报的一系列坐标点记录在内存中, 并将这些坐标点交由识别引擎处理, 识别引擎处理后, 将识别结果, 即, 汉 字、 英文字母等的内码返回, 手写轨迹识别模块 13 根据调用程序的要求, 将编码转换为 GB2312编码或者其他编码, 返回给调用程序。 触摸屏坐标点校准模块 15, 优选地连接至触摸屏坐标点校准参数控制 模块 16和触摸屏坐标点采样模块 11 , 用于在触摸屏坐标点校准参数控制模 块 16的控制下对触摸屏进行校准。 触摸屏坐标点校准模块 15位于 IAL层, 其功能是当触摸屏器件与 LCD 器件在贴模过程中物理上位置发生平移或者 偏转, 或触摸屏器件发生老化时, 对触摸屏坐标点采样模块 11上报的坐标点 进行校正。 优选地, 上述触摸屏坐标点校准参数控制模块 16 中配置有多种 具有不同运行速度和 /或运行精度的校准规则,触摸屏坐标点校准参数控制模 块 16还用于根据校准规则对触摸屏坐标点校准模块 15执行的触摸屏校准进 行控制。 通过本实施例提供的装置, 通过设置手感适配模块、 参数配置文件存储 模块、 触摸屏坐标点采样参数控制模块、 触摸屏坐标点校准参数控制模块、 手写轨迹识别参数控制模块, 能够才艮据配置参数确定用户执行写入的笔画间 的时间间隔、 字之间的时间间隔, 并才艮据确定的笔画间的时间间隔、 字之间 的时间间隔、 时间效率、 和空间效率对用户在触摸屏上的操作进行采样和识 别, 从而能够取得手写输入整体优化的效果。
6 P23894 基于以上的描述, 下面进一步对上述的装置的使用过程进行详细说明。 第一步, 用户通过测试手写判断手感是否符合自己的习惯感受; 如果不 符合则进行到第二步, 符合则进行到第三步; 第二步, 用户调用用户手感适配模块 10 , 并才艮据移动终端界面的提示, 选择手感偏硬还是手感偏软; 用户手感适配模块 10生成一系列的配置数据, 并存储于参数配置文件存储模块 12; 处理转到第一步; 第三步, 用户正式开始手写; 第四步, 产生触摸电压; 第五步, 触摸屏坐标点采样模块 11调用触摸屏坐标点采样参数控制模 块 14提供的接口; 第六步, 触摸屏坐标点采样参数控制模块 14从参数配置文件存储模块 12中读取配置文件, 将合法参数值返回到触摸屏坐标点采样模块 11; 第七步, 触摸屏坐标点采样模块 11根据参数, 通过调整线程占用 /休眠 时间、 緩沖区大小, 决定本模块运行的时间效率和空间效率; 第八步, 触摸屏坐标点采样模块 11将电压转换得到的屏幕坐标点存储 在緩沖区内, 并控制自身的线程休眠参数的时长; 第九步, IAL层接收到触摸屏坐标点采样模块 11传递来的数据后, 进 入触摸屏坐标点校准模块 15; 第十步, 触摸屏坐标点校准模块 15调用触摸屏坐标点校准参数控制模 块 10提供的接口; 第十一步, 触摸屏坐标点校准模块参数控制模块 16读取配置文件, 将 合法参数值返回到触摸屏坐标点校准模块 15; 第十二步, 触摸屏坐标点校准模块 15根据参数, 决定是否执行校准, 如果执行校准, 则进行到第十三步, 否则, 将未经校准的数据传递到手写轨 迹识别模块 13 , 并进行到第十四步;
P23894 第十三步, 触摸屏坐标点校准模块 15根据参数, 执行高效分支或普通 分支, 并将校准后的数据传递到手写轨迹识别模块 13; 第十四步, 手写轨迹识别模块 13 调用手写轨迹识别参数控制模块 18 提供的接口; 第十五步, 手写轨迹识别参数控制模块 18读取配置文件, 并将合法参 数返回到手写轨迹识别模块 13; 第十六步, 手写轨迹识别模块 13根据参数, 设定笔划时间间隔定时器、 字间隔定时器、 坐标点记录频率; 第十七步, 手写轨迹识别模块 13记录一个字的完整轨迹; 第十八步, 手写轨迹识别模块 13根据轨迹进行识别, 给手写输入法的 调用程序返回汉字、 英文字母等的内部编码。 下面, 结合附图, 对上才艮据本发明装置实施例的手写输入处理装置的具 体实施的实例进行说明。 实例 1 图 2是才艮据本发明装置实施例的手写输入处理装置的结构实例 1的示意 图, 如图 2所示, 该装置包括: 触摸屏坐标点采样模块 201、 触摸屏坐标点 校准模块 202、 手写轨迹识别模块 203、 用户手感适配模块 204、 触摸屏坐标 点采样参数控制模块 205、 触摸屏坐标点校准参数控制模块 206、 手写轨迹 识别参数控制模块 207、 以及读取参数配置文件 208。 触摸屏坐标点采样模块 201 , 与两个模块相连接, 即, 触摸屏坐标点采 样参数控制模块 205和触摸屏坐标点校准模块 202, 用于响应外部输入。 当 物理上对触摸屏进行点触或者划动时, 该模块被调起, 该模块会调用触摸屏 坐标点采样参数控制模块 205提供的接口, 并根据接口返回的参数, 调整自 身的线程占用 /休眠时间以及緩沖区的大小。触摸屏坐标点采样模块 201将采 样得到的电压转换为屏幕坐标, 并将屏幕坐标值存储于緩沖区, 由触摸屏坐 标点校准模块 202处理。 触摸屏坐标点校准模块 202 , 与两个模块相连接, 即, 触摸屏坐标点校 准参数控制模块 206和手写轨迹识别模块 203。当触摸屏坐标点采样模块 201
8 P23894 把数据放入緩沖区后, 触摸屏坐标点校准模块 202开始执行。 触摸屏坐标点 校准模块 202的执行路径也受参数控制。 该参数来自于触摸屏坐标点校准参 数控制模块 206的返回值。 这些返回值, 即控制参数, 决定了触摸屏坐标点 校准模块 202是否被执行, 或者按照哪个路径执行。 最终, 由触摸屏坐标点 采样模块 201传递来的数据, 经触摸屏坐标点校准模块 202处理后, 传递给 手写轨迹识别模块 203。 手写轨迹识别模块 203 , 与两个模块相连接, 并且将处理结果发送至外 部程序, 这两个模块分别是手写轨迹识别参数控制模块 207和触摸屏坐标点 校准模块 202。手写轨迹识别模块 203会调用手写轨迹识别参数控制模块 207 提供的接口, 在接口返回的参数控制下, 决定笔划之间的时间间隔、 字之间 的时间间隔以及坐标点记录频率。 手写轨迹识别模块 203会将识别得到的字 符内码发送给外部程序。 用户手感适配模块 204, 被用户调用执行, 将用户认可的手感转换为触 摸屏坐标点采样参数控制模块 205、 触摸屏坐标点校准参数控制模块 206、 手写轨迹识别参数控制模块 207所需要的一系列参数, 并将该参数保存在参 数配置文件 208中。 触摸屏坐标点采样参数控制模块 205, 优选地连接至读取参数配置文件 208,并将参数配置文件 208中的相关数据传递给触摸屏坐标点采样模块 201。 同时, 该模块完成在参数配置文件 208被异常破坏、 或者参数配置文件 208 内相关数据非法时, 将正确的数据传递给触摸屏坐标点采样模块 201 , 以完 成对其的有效控制。 触摸屏坐标点校准参数控制模块 206, 优选地连接至读取参数配置文件 208, 用于读取参数配置文件 208, 并将参数配置文件 208中的相关数据传递 给触摸屏坐标点校准模块 202。 同时, 该模块完成在参数配置文件 208被异 常破坏、 或者参数配置文件 208内相关数据非法时, 将正确的数据传递给触 摸屏坐标点校准模块 202, 以完成对其的有效控制。 手写轨迹识别参数控制模块 207,优选地连接至读取参数配置文件 208, 用于读取参数配置文件 208, 并将参数配置文件 208 中的相关数据传递给手 写轨迹识别模块 203。 同时, 该模块完成在参数配置文件 208被异常破坏、 或者参数配置文件 208内相关数据非法时, 将正确的数据传递给手写轨迹识 别模块 203 , 以完成对其的有效控制。
9 P23894 通过如图 2所示的装置, 能够实现对用户手写输入的整体优化。 方法实施例 在本实施例中, 提供了一种手写输入处理方法, 优选地, 可以采用装置 实施例中提供的手写输入处理装置来实现本实施例中提供的手写输入处理方 法。 需要说明的是,在附图的流程图示出的步骤可以在诸如一组计算机可执 行指令的计算机系统中执行, 并且, 虽然在流程图中示出了逻辑顺序, 但是 在某些情况下, 可以以不同于此处的顺序执行所示出或描述的步骤。 图 3 是才艮据本发明方法实施例的手写输入处理方法的流程图。 如图 3 所示, 才艮据本发明方法实施例的手写输入处理方法包括以下步骤(步骤 S302 至步骤 S304 ): 步骤 S302, 根据预先存储的配置参数确定对触摸屏的坐标点进行采样 的时间效率和空间效率; 优选地, 可以首先接收来自用户的配置参数, 并用 接收的配置参数更新存储的配置参数, 之后, 根据更新后的配置参数来执行 上述操作。 该优选操作可以由如图 la所示的手感适配模块 10、 参数配置文 件存储模块 12来完成。 优选地,可以由如图 la所示的触摸屏坐标点采样参数控制模块 14来完 成步骤 S302。 步骤 S303 , 根据配置参数确定是否需要对触摸屏进行坐标点校准, 并 在判断为是的情况下, 根据预定的校准规则对触摸屏进行校准。 优选地,可以由如图 la所示的触摸屏坐标点校准参数控制模块 16来完 成步骤 S303。 步骤 S304, 才艮据配置参数确定用户执行写入的笔画间的时间间隔、 字 之间的时间间隔, 并才艮据确定的笔画间的时间间隔、 字之间的时间间隔、 时 间效率、 和空间效率对用户在触摸屏上的操作进行采样和识别。 优选地,可以由如图 la所示的手写轨迹识别参数控制模块 18来完成步 骤 S304。
10 P23894 综上所述, 借助于上述技术方案, 取得了手写输入时整体的优化效果, 并且, 适应不同用户的不同手写感受需求, 带来更好的手写体验的同时节省 移动终端整体运行时间、 提高多任务并发能力。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本 领域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和 原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护 范围之内。
11 P23894

Claims

权 利 要 求 书
1. 一种手写输入处理装置, 其特征在于, 包括:
手感适配模块, 用于接收并传输来自用户的配置参数; 所述参数配置文件存储模块, 用于存储配置参数, 以及才艮据来自所 述手感适配模块的配置参数更新存储的所述配置参数;
触摸屏坐标点采样参数控制模块,用于根据所述参数配置文件存储 模块中当前存储的配置参数确定坐标点采样的时间效率和空间效率; 触摸屏坐标点校准参数控制模块,用于根据所述参数配置文件存储 模块中当前存储的配置参数确定是否需要对触摸屏进行坐标点校准; 手写轨迹识别参数控制模块,用于根据所述参数配置文件存储模块 中当前存储的配置参数确定用户写入的笔画间的时间间隔、 字之间的时 间间隔, 并识别用户的输入。
2. 根据权利要求 1所述的装置, 其特征在于, 进一步包括:
触摸屏坐标点采样模块,用于根据所述触摸屏坐标点采样参数控制 模块确定的所述时间效率和空间效率, 对所述用户在所述触摸屏上的操 作进行采样得到用户操作的坐标点, 并将所述坐标点上报。
3. 根据权利要求 2所述的装置, 其特征在于, 进一步包括:
手写轨迹识别模块,用于接收由所述触摸屏坐标点采样模块上报的 所述坐标点, 并根据接收的所述坐标点识别所述用户的操作。
4. 根据权利要求 1所述的装置, 其特征在于, 进一步包括:
触摸屏坐标点校准模块,用于在所述触摸屏坐标点校准参数控制模 块的控制下对所述触摸屏进行校准。
5. 根据权利要求 4所述的装置, 其特征在于, 所述触摸屏坐标点校准参数 控制模块中配置有多种具有不同运行速度和 /或运行精度的校准规则, 触 摸屏坐标点校准参数控制模块还用于根据所述校准规则对所述触摸屏坐 标点校准模块执行的触摸屏校准进行控制。
12 P23894
6. 根据权利要求 1所述的装置, 其特征在于, 所述参数配置文件存储模块 中包含默认配置参数, 在所述手感适配模块未接收到由所述用户输入的 参数的情况下, 所述触摸屏坐标点采样参数控制模块、 所述触摸屏坐标 点校准参数控制模块、 和所述手写轨迹识别参数控制模块根据所述默认 配置参数进行各自处理。
7. 一种手写输入处理方法, 其特征在于, 包括:
根据预先存储的配置参数确定对触摸屏的坐标点进行采样的时间 效率和空间效率;
根据所述配置参数确定用户写入的笔画间的时间间隔、字之间的时 间间隔, 并才艮据确定的所述笔画间的时间间隔、 字之间的时间间隔、 所 述时间效率、和空间效率对用户在所述触摸屏上的操作进行采样和识别。
8. 才艮据权利要求 1所述的方法, 其特征在于, 在确定所述时间效率和所述 空间效率之前, 进一步包括:
接收来自用户的配置参数,并用接收的所述配置参数更新存储的所 述配置参数。
9. 根据权利要求 1所述的方法, 其特征在于, 在进行采样和识别之前进一 步包括:
才艮据所述配置参数确定是否需要对所述触摸屏进行坐标点校准,并 在判断为是的情况下, 根据预定的校准规则对所述触摸屏进行校准。
13 P23894
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EP2254029A1 (en) 2010-11-24
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