WO2014169567A1 - 误触摸识别方法和装置 - Google Patents

误触摸识别方法和装置 Download PDF

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Publication number
WO2014169567A1
WO2014169567A1 PCT/CN2013/083806 CN2013083806W WO2014169567A1 WO 2014169567 A1 WO2014169567 A1 WO 2014169567A1 CN 2013083806 W CN2013083806 W CN 2013083806W WO 2014169567 A1 WO2014169567 A1 WO 2014169567A1
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WO
WIPO (PCT)
Prior art keywords
touch
contour
touch screen
determining
area
Prior art date
Application number
PCT/CN2013/083806
Other languages
English (en)
French (fr)
Inventor
郝志坚
万超
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP13882411.5A priority Critical patent/EP2980679B1/en
Priority to US14/890,195 priority patent/US9910541B2/en
Priority to KR1020157036613A priority patent/KR20160042824A/ko
Publication of WO2014169567A1 publication Critical patent/WO2014169567A1/zh

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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
    • G06F3/048—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • G06F3/04186—Touch location disambiguation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger

Definitions

  • TECHNICAL FIELD The present invention relates to the field of communications, and in particular to an error touch recognition method and apparatus.
  • Touch screens currently have the following types: resistive, surface capacitive and inductive capacitive, surface acoustic wave, infrared, and the like.
  • capacitive touch screen applications are more widely used, mainly related to communications and consumer electronics, such as: smart phones, mobile phones, multimedia players, PAD and so on.
  • a capacitive touch screen judges a touch point by sensing a change in capacitance generated by a human touch. It has two sets of signal lines: the drive line and the sense line, the drive line emits a signal, and the sense line detects the change in capacitance value.
  • the finger and the surface of the touch screen form a coupling capacitor.
  • the capacitor is a direct conductor, and the finger sucks a small current from the contact point.
  • the coupling between the two electrodes near the touch point is affected, thereby changing the capacitance between the two electrodes.
  • the electrodes in the direction of the driving line sequentially emit excitation signals, and all the electrodes in the direction of the sensing line receive signals at the same time, so that the capacitance values of all the intersections of the lateral and longitudinal electrodes can be obtained, that is, the two-dimensional plane of the entire touch screen.
  • Capacitor size according to the two-dimensional capacitance change data of the touch screen, the coordinates of each touch point can be calculated, so even if there are multiple touch points on the screen, the true coordinates of each touch point can be calculated.
  • the present invention provides an erroneous touch recognition method and apparatus to at least solve the problem caused by an erroneous touch generated when a touch screen device is held by a hand.
  • a method for identifying an erroneous touch including: determining an outline of the touch according to a touch on the touch screen; determining whether a horizontal coordinate corresponding to a maximum vertical length of the contour is located at the The predetermined position range on the touch screen is included; in the case where it is determined to be within the predetermined position range, the touch corresponding to the contour is recognized as an erroneous touch.
  • the predetermined position range includes: a horizontal coordinate of a point at which a distance from a left edge or a right edge of the touch screen is less than or equal to a predetermined size.
  • determining the contour of the touch comprises: determining a plurality of coordinates on the contour of the touch; determining whether a horizontal coordinate corresponding to the maximum vertical length of the contour is located on the touch screen
  • the predetermined range includes: determining whether a horizontal coordinate of two points having the largest vertical coordinate difference among the plurality of coordinates is within the predetermined range.
  • the method further includes: further determining whether an area of the graphic surrounded by the contour exceeds a predetermined threshold if it is determined not to be within the predetermined position range; and determining that the predetermined threshold is exceeded
  • the predetermined threshold is determined according to a location of an area on the touch screen.
  • an erroneous touch recognition apparatus including: a determining module configured to determine an outline of the touch according to a touch on the touch screen; and a first determining module configured to determine the Whether the corresponding horizontal coordinate at the maximum vertical length of the contour is within a predetermined position range on the touch screen; the first identification module is configured to identify the contour corresponding to the contour if it is determined to be within the predetermined position range Touch is a false touch.
  • the device further includes: a second determining module, configured to further determine, if the determination result of the first determining module is negative, whether an area of the graphic surrounded by the contour exceeds a predetermined threshold;
  • the module is configured to recognize that the touch corresponding to the contour is an erroneous touch when it is determined that the predetermined threshold value is exceeded.
  • the apparatus further comprises: a setting module configured to set the predetermined position range and/or the predetermined threshold according to a user input.
  • determining the contour of the touch according to the touch on the touch screen determining whether the horizontal coordinate corresponding to the maximum vertical length of the contour is within a predetermined position range on the touch screen; and determining that the location is within the predetermined position range;
  • the method of recognizing the touch corresponding to the contour is a wrong touch, solves the problem caused by the wrong touch generated when the touch screen device is held by hand, and prevents the erroneous operation, thereby improving the user experience.
  • FIG. 2 is a structural block diagram of an erroneous touch recognition device according to an embodiment of the present application
  • FIG. 3 is a mistake according to a preferred embodiment of the present application.
  • FIG. 4 is a block diagram showing the structure of an erroneous touch recognition device according to another preferred embodiment of the present application;
  • FIG. 5 is a flow chart showing a method for identifying an erroneous touch according to another preferred embodiment of the present application;
  • FIGS. 7a-7f are schematic views of a handheld touch screen device according to a preferred embodiment of the present application;
  • FIG. 8 is a diagram for determining that a touch action is a normal touch according to a preferred embodiment of the present application.
  • Step S102 According to a touch on a touch screen, Determining the outline of the touch; Step S104, determining whether the corresponding horizontal coordinate at the maximum vertical length of the contour is within a predetermined position range on the touch screen; Step S106, if it is determined to be within the predetermined position range, identifying that the touch corresponding to the contour is an erroneous touch.
  • the touch corresponding to the contour is recognized as a false touch.
  • the predetermined range is set to a certain range of the edge of the touch screen. In this way, the touch operation belonging to the erroneous touch can be identified by the attribute of the touch, the problem caused by the erroneous touch generated when the touch screen device is held by the hand is solved, the erroneous operation is prevented, and the user experience is improved.
  • the predetermined position range may be: a horizontal coordinate of a distance from a left edge or a right edge of the touch screen that is less than or equal to a predetermined size.
  • the above horizontal coordinates are related to the width to the left and right edges of the touch screen. That is, a range of a certain width to the edge of the touch screen is taken as a predetermined position range for the above judgment, and this width can be adjusted according to the setting of the user.
  • any one of the adjacent two sides thereof Can be considered horizontal or vertical.
  • the left and right edges described above can be considered as vertical edges (perpendicular to the horizontal direction).
  • the present embodiment can be applied not only to the identification of the false touches on the left and right edges of the touch screen but also to the identification of the false touches on the upper and lower edges of the touch screen.
  • the mis-touch is identified by touching the corresponding coordinates.
  • the coordinate system of a certain reference frame is first established, for example, the coordinates are established using the horizontal direction and the vertical direction and the center of the touch screen as the origin. system.
  • the position of any point on the touch screen can be uniquely described by the established coordinate system.
  • a plurality of coordinates on the contour of the touch may be first determined; and then it is judged whether or not the horizontal coordinates of the two points having the largest vertical coordinate difference among the plurality of coordinates are within a predetermined range.
  • the maximum vertical coordinate difference described above can be used to indicate the maximum vertical length described above.
  • the predetermined threshold value described above may be determined according to the location of the area on the touch screen.
  • a predetermined threshold of an area near the edge on the touch screen is set to a first predetermined threshold
  • a predetermined threshold of other areas on the touch screen is set to a second predetermined threshold.
  • the first predetermined threshold may be included in the range indicated by the second predetermined threshold, and may of course be equal.
  • the predetermined threshold can be flexibly set so that the manner of determining the false touch by judging the area of the contour is more flexible and practical.
  • the touch is a plurality of touches
  • the false touches among the plurality of touches can be separately identified by the manner described above.
  • the plurality of touches therein refers to a plurality of touches on the touch screen at the same time.
  • a method of setting a predetermined position range and a reservation threshold is also provided.
  • a predetermined position range and/or a predetermined threshold may be set according to a user input.
  • the embodiment further provides an erroneous touch recognition device for implementing the above-mentioned erroneous touch recognition method.
  • the functions of the modules and units involved in the device may be combined with the description and description of the functions corresponding to the above-mentioned erroneous touch recognition method, and will not be described again in this embodiment.
  • 2 is a structural block diagram of an erroneous touch recognition device according to an embodiment of the present application. As shown in FIG. 2, the device may include: a determining module 22, a first determining module 24, and a first identifying module 26, wherein the determining module 22 is configured.
  • the first determining module 24 is coupled to the determining module 22, and is configured to determine whether the horizontal coordinate corresponding to the maximum vertical length of the contour is within a predetermined position range on the touch screen;
  • the identification module 26 is coupled to the first determination module 24, and is configured to recognize that the touch corresponding to the contour is an erroneous touch if the determination by the first determination module 24 is within a predetermined position range.
  • the modules and units involved in this embodiment may be implemented by software or by hardware.
  • the modules and units described in this embodiment may also be disposed in the processor.
  • the processor may include: a processor including a determining module 22, a first determining module 24, and a first identifying module 26.
  • the determination module may also be described as "a module that is set to determine the contour of the touch according to the touch on the touch screen.”
  • the predetermined position range includes: a horizontal coordinate of a point whose distance from the left edge or the right edge of the touch screen is less than or equal to a predetermined size.
  • the determining module 22 is arranged to determine a plurality of coordinates on the contour of the touch; the first determining module 23 is arranged to determine whether the horizontal coordinates of the two points having the largest vertical coordinate difference among the plurality of coordinates are within a predetermined range.
  • the apparatus further includes a second judging module 32 coupled to the first judging module 24, and configured to determine that If it is located within the predetermined position range, it is further determined whether the area of the graphic surrounded by the contour exceeds a predetermined threshold; the second identification module 34 is coupled to the second determining module 32, and is set to be determined by the second determining module 32 to exceed the predetermined value.
  • the threshold the touch corresponding to the recognition contour is an erroneous touch.
  • the predetermined threshold is determined according to the location of the area on the touch screen.
  • the apparatus further comprises a setting module arranged to set the predetermined range of positions and/or the predetermined threshold based on the user's input.
  • the embodiment further provides a terminal including a touch screen and the above-described false touch recognition device.
  • Method 1 A method for identifying an incorrect touch, comprising: determining an outline of the touch according to a touch on the touch screen; The distance along the edge of the line parallel to the edge of the touch screen and having the largest length is within a predetermined range; in the case of being within the predetermined position range, the touch corresponding to the recognized outline is an erroneous touch.
  • the method can be applied to a touch device in which the edge of the touch screen is non-linear.
  • the second method of the erroneous touch recognition method includes: determining the contour of the touch according to the touch on the touch screen; determining whether the position of the point corresponding to the maximum width and the maximum length of the contour on the touch screen is within a predetermined range; In the case of YES, the touch corresponding to the recognition contour is an erroneous touch.
  • the point corresponding to the maximum width and the maximum length refers to the intersection of the line segment of the maximum length in the first direction in the contour of the touch and the line segment of the longest length in the second direction, and the first direction and the second direction may be It is two directions perpendicular to each other.
  • the first direction and the second direction are respectively parallel to the two intersecting and vertical edges of the touch screen.
  • FIG. 4 is a structural block diagram of an erroneous touch recognition device according to another preferred embodiment of the present application. As shown in FIG. 4, the device includes the following modules: Module 402 is a touch screen entity provided on the communication terminal device. The data acquisition module 404 is coupled to the touch screen module 402 and is configured to obtain capacitance change data for each channel of each touch area.
  • the data processing module 406 is coupled to the data acquisition module 404, and configured to calculate a plurality of sampling point coordinates and a touch area corresponding to each touch action according to the data collected by the data acquisition module, and calculate a maximum longitudinal coordinate difference in the same abscissa. , to determine whether it is a false touch.
  • Communication module 408 is coupled to data processing module 406 and is configured to communicate between the touch screen module and the host, such as i2c.
  • the application module 410 is coupled to the communication module 408, and is configured to distribute the touch point information obtained by the host end to the corresponding application module for use.
  • FIG. 5 is a schematic flowchart of a method for identifying an erroneous touch according to another preferred embodiment of the present application. As shown in FIG.
  • the method further includes processing of the recognized erroneous touch.
  • the method includes the following steps: Step S502: Turn on the touch screen device, wake up the touch screen, and touch the screen. Step S504, determining whether the touch is an erroneous touch. Step S506, if the touch action on the screen is an erroneous touch, the touch is invalid, and no point is reported. Step S508, if the touch action on the screen is a normal touch, the touch is valid, and the report point.
  • FIG. 6 is a plan view of a handheld touch screen device in accordance with a preferred embodiment of the present application.
  • the A area (white part) shown in the figure is the normal response area of the touch screen
  • the B area (shaded part) is the false touch area at the both sides of the touch screen
  • the C area (black part) is the non-responsive area of the touch screen
  • L This value is adjustable for the width of the mis-operation area set. Areas A and B are both visible areas, and area C is a non-visible area. The width of this area depends on the actual terminal. For terminals designed with narrow sides, the width of the C area is narrower or even zero.
  • 7a-7f are schematic diagrams of a handheld touch screen device in accordance with a preferred embodiment of the present application. The following description will be combined with these figures. As shown in FIG.
  • the finger 1 touches the edge of the screen lightly, that is, only a single finger touches the B area.
  • the abscissa corresponding to the maximum ordinate difference of the touch area proposed by the preferred embodiment is determined in the false touch area, and the touch is an erroneous touch.
  • FIG. 7b when the touch screen terminal is held, the finger 1 touches the edge of the screen, and is touched by a single finger at the same time.
  • the B area and the C area are determined according to the preferred embodiment, and there is a sampling point in the wrong touch area, and the horizontal coordinate corresponding to the maximum vertical coordinate difference of the touch area is determined in the false touch area, and the touch is an erroneous touch.
  • FIG. 7c when the touch screen terminal is held, the finger 1 and the finger 2 respectively touch the edge of the screen, and the multi-finger touches the B area and the C area at the same time, which is consistent with the sampling point for collecting each touch action proposed by the preferred embodiment.
  • the touches of the finger 1 and the finger 2 are all false touches. As shown in FIG.
  • FIG. 8 is a schematic flowchart of determining whether a touch action is a normal touch or a false touch according to a preferred embodiment of the present application. As shown in FIG.
  • Step S802 waking up the touch screen and touching the screen, which may be a single-finger touch Multi-finger touch, there is no limit to the location of the touch screen.
  • Step S804 collecting data of each touch action separately, and calculating a plurality of sampling point coordinates corresponding to each touch action.
  • Step S806, determining whether any sampling point in each sample point set is located in the wrong touch area.
  • Step S810 determining whether the abscissa corresponding to the maximum ordinate difference value is located in the erroneous touch area.
  • Step S812 if no sampling point in the sampling point set is located in the false touch area or the horizontal coordinate corresponding to the maximum vertical coordinate difference is not located in the false touch area, calculate the maximum touch area of the touch action, and determine whether the area exceeds the threshold, wherein The area threshold corresponding to the edge area and the central area may be different. Step S814, if the abscissa corresponding to the maximum ordinate difference value is located in the false touch area, it is determined that the touch operation is a false touch. Step S816, if the maximum touch area of the touch action is within the set threshold, it is determined that the touch operation is a normal touch, otherwise it is an erroneous touch.
  • the above-mentioned embodiments, preferred embodiments, and preferred embodiments of the present application solve the problems caused by the erroneous touch generated when the touch screen device is held by hand, and prevent erroneous operations, thereby improving the user experience.
  • INDUSTRIAL APPLICABILITY The present invention can be applied to any handheld device having a touch screen by the above-described embodiments, and solves the problem caused by the false touch generated when the touch screen device is held by hand, thereby preventing the erroneous operation and thereby improving the user experience. , has good compatibility, and therefore has good industrial applicability.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

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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)
  • Position Input By Displaying (AREA)

Abstract

本发明公开了一种误操作识别方法和装置，其中，该方法包括：采用根据触摸屏上的触摸，确定触摸的轮廓；判断轮廓的最大竖直长度处对应的水平坐标是否位于触摸屏上的预定位置范围内；在判断为位于预定位置范围内的情况下，识别轮廓对应的触摸为误触摸。通过本发明，解决了手持握触屏设备时产生的误触摸导致的问题，防止了误操作，从而提高了用户的体验。

Description

误触摸识别方法和装置 技术领域 本发明涉及通信领域， 具体而言， 涉及一种误触摸识别方法和装置。 背景技术 触摸屏目前主要有以下几种类型： 电阻式、 表面电容式和感应电容式、 表面声波 式、 红外式等。 其中， 电容式触摸屏应用较为广泛， 主要涉及到通信和电子消费品， 如： 智能手机、 移动电话、 多媒体播放器、 PAD等。 电容式触摸屏是通过感应人体触摸所产生的电容变化而判断触摸点的。 它具有两 组信号线： 驱动线与感应线， 驱动线发射信号， 感应线侦测电容值的变化。 当手指触 摸在金属层上时， 由于人体电场的存在， 手指和触摸屏表面形成一个耦合电容， 对于 高频电流来说， 电容是直接导体， 于是手指从接触点吸走一个很小的电流。 影响了触 摸点附近两个电极之间的耦合， 从而改变了这两个电极之间的电容量。 检测互电容大 小时， 驱动线方向的电极依次发出激励信号， 感应线方向的所有电极同时接收信号， 这样可以得到所有横向和纵向电极交汇点的电容值的变化， 即整个触摸屏的二维平面 的电容大小， 根据触摸屏二维电容变化量数据， 可以计算出每一个触摸点的坐标， 因 此屏上即使有多个触摸点， 也能计算出每个触摸点的真实坐标。 随着手持式触摸屏移动通讯终端技术的进步， 使用手持式触摸屏移动通讯终端的 用户日益增加。 因触摸屏对导体（如手指） 的反应较为敏感， 给用户带来了好的体验。 然而， 当人手在持握触摸屏设备时， 较易在触摸屏的边缘处产生误触摸， 而影响用户 的使用。 尤其是大尺寸或采用窄边设计的触摸屏设备， 当用户单手操作或一手持握一 手操作时， 用于持握的手较容易对触摸屏造成误触摸， 从而会引起触摸屏误报点， 从 而影响用户的操作和体验。 针对相关技术中手持握触屏设备时产生的误触摸导致的问题， 目前尚未提出有效 的解决方案。 发明内容 本发明提供了一种误触摸识别方法和装置， 以至少解决手持握触屏设备时产生的 误触摸导致的问题。 根据本发明实施例的一个方面， 提供了一种误触摸识别方法， 包括： 根据触摸屏 上的触摸， 确定所述触摸的轮廓； 判断所述轮廓的最大竖直长度处对应的水平坐标是 否位于所述触摸屏上的预定位置范围内；在判断为位于所述预定位置范围内的情况下， 识别所述轮廓对应的触摸为误触摸。 优选地， 所述预定位置范围包括： 距离所述触摸屏的左边缘或右边缘的距离小于 或等于预定大小的点的水平坐标。 优选地，确定所述触摸的所述轮廓包括： 确定所述触摸的所述轮廓上的多个坐标; 判断所述轮廓的所述最大竖直长度处对应的水平坐标是否位于所述触摸屏上的预定范 围内包括： 判断所述多个坐标中具有最大竖直坐标差的两个点的水平坐标是否位于所 述预定范围内。 优选地， 所述方法还包括： 在判断为未位于所述预定位置范围内的情况下， 进一 步判断由所述轮廓围成的图形的面积是否超过预定阈值； 在判断为超过预定阈值的情 况下， 识别所述轮廓对应的触摸为误触摸。 优选地， 所述预定阈值根据所述触摸屏上的区域的位置确定。 优选地， 在所述触摸为多个触摸的情况下， 分别识别所述多个触摸中的误触摸。 优选地， 所述方法还包括： 根据用户的输入， 设置所述预定位置范围和 /或预定阈 值。 根据本发明实施例的另一个方面， 还提供了一种误触摸识别装置， 包括： 确定模 块， 设置为根据触摸屏上的触摸， 确定所述触摸的轮廓； 第一判断模块， 设置为判断 所述轮廓的最大竖直长度处对应的水平坐标是否位于所述触摸屏上的预定位置范围 内； 第一识别模块， 设置为在判断为位于所述预定位置范围内的情况下， 识别所述轮 廓对应的触摸为误触摸。 优选地， 所述装置还包括： 第二判断模块， 设置为在第一判断模块的判断结果为 否的情况下， 进一步判断由所述轮廓围成的图形的面积是否超过预定阈值； 第二识别 模块， 设置为在判断为超过预定阈值的情况下， 识别所述轮廓对应的触摸为误触摸。 优选地， 所述装置还包括： 设置模块， 设置为根据用户的输入， 设置所述预定位 置范围和 /或预定阈值。 通过本发明实施例， 采用根据触摸屏上的触摸， 确定触摸的轮廓； 判断轮廓的最 大竖直长度处对应的水平坐标是否位于触摸屏上的预定位置范围内； 在判断为位于预 定位置范围内的情况下， 识别轮廓对应的触摸为误触摸的方式， 解决了手持握触屏设 备时产生的误触摸导致的问题， 防止了误操作， 从而提高了用户的体验。 附图说明 构成本申请的一部分的附图用来提供对本发明的进一步理解， 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： 图 1是根据本申请实施例的误触摸识别方法的流程示意图； 图 2是根据本申请实施例的误触摸识别装置的结构框图； 图 3是根据本申请优选实施例的误触摸识别装置的结构框图； 图 4是根据本申请另一优选实施例的误触摸识别装置的结构框图； 图 5是根据本申请另一优选实施例的误触摸识别方法的流程示意图； 图 6是根据本申请优选实施例的手持触摸屏设备的平面示意图； 图 7a〜图 7f是根据本申请优选实施例的手持触摸屏设备时的示意图； 图 8是根据本申请优选实施例的判断触摸动作是正常触摸还是误触摸的流程示意 图。 具体实施方式 需要说明的是， 在不冲突的情况下， 本申请中的实施例及实施例中的特征可以相 互组合。 下面将参考附图并结合实施例来详细说明本发明。 并且， 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， 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。 本实施例提供了一种误触摸识别方法， 图 1是根据本申请实施例的误触摸识别方 法的流程示意图， 如图 1所示， 该流程包括如下步骤： 步骤 S102， 根据触摸屏上的触摸， 确定触摸的轮廓； 步骤 S104，判断轮廓的最大竖直长度处对应的水平坐标是否位于触摸屏上的预定 位置范围内； 步骤 S106， 在判断为位于预定位置范围内的情况下， 识别该轮廓对应的触摸为误 触摸。 通过上述步骤， 在确定了触摸的轮廓之后， 如果判断到轮廓的最大竖直长度处对 应的水平坐标位于预定范围内， 则识别该轮廓对应的触摸为误触摸。 例如在一个例子 中， 将预定范围设置为该触摸屏边缘的一定范围。 通过这样的方式， 能够通过触摸的 属性识别那些属于误触摸的触摸操作， 解决了手持握触屏设备时产生的误触摸导致的 问题， 防止了误操作， 从而提高了用户的体验。 优选地， 上述的预定位置范围可以是： 距离触摸屏的左边缘或右边缘的距离小于 或等于预定大小的点的水平坐标。 在相邻两边相互垂直的触摸屏中， 上述的水平坐标 与到触摸屏左右边缘的宽度是相关的。 即， 将到触摸屏的边缘一定宽度的范围作为用 于上述判断的预定位置范围， 并且这个宽度可以根据用户的设置进行调整。 另外需要说明的是， 上述的水平和竖直是从用户持握具有触摸屏的设备的角度进 行描述的， 即对于一个相邻两边相互垂直的触摸屏而言， 其相邻的两边中的任何一个 都能被认为是水平的或者竖直的。 上述的左边缘和右边缘可以认为是竖直的边缘 （与 水平方向垂直的）。 通过上述描述可知， 本实施例不仅可以应用于触摸屏左右边缘的误触摸的识别， 还能应用于触摸屏上下边缘的误触摸的识别。 优选地， 在一些实施例中， 是通过触摸对应的坐标来识别误触摸的， 在应用时先 要建立一定参考系的坐标系， 例如使用水平方向和竖直方向以及触摸屏的中心为原点 建立坐标系。 通过建立的坐标系可以唯一地描述触摸屏上的任意一点的位置。 在这种 情况下， 可以首先确定触摸的轮廓上的多个坐标； 然后判断这多个坐标中具有最大竖 直坐标差的两个点的水平坐标是否位于预定范围内。 上述的最大竖直坐标差可以用来 表示上述的最大竖直长度。 优选地， 在判断为未位于预定位置范围内的情况下， 还可以进一步判断由轮廓围 成的图形的面积是否超过预定阈值； 并且在判断为超过预定阈值的情况下， 识别轮廓 对应的触摸为误触摸。 由于一般的触摸都是点触摸方式， 或者是多个点触摸方式， 因 此较大面积的触摸往往属于误触摸。 通过上述的方式可以进一步对这些面积较大的误 触摸进行识别。 优选地， 上述的预定阈值可以根据触摸屏上的区域的位置确定。 例如， 将触摸屏 上靠近边缘的区域的预定阈值设置为第一预定阈值， 将触摸屏上其他的区域的预定阈 值设置为第二预定阈值。 优选地， 第一预定阈值可以包含于第二预定阈值表示的范围 内， 当然也可以是相等的。 通过这样的方式， 可以灵活设置预定阈值， 以使得通过判 断轮廓的面积判断误触摸的方式更灵活和实用。 优选地， 在触摸为多个触摸的情况下， 可以通过上述描述的方式分别识别这些多 个触摸中的误触摸。 优选地， 其中的多个触摸是指同一时间在触摸屏上的多个触摸。 通过这样的方式， 可以对多个触摸同时进行处理， 从而使多个触摸中存在的误触摸被 识别出来。 优选地， 在本实施例中还提供了一种设置预定位置范围及预订阈值的方法， 例如 可以根据用户的输入， 设置预定位置范围和 /或预定阈值。 优选地， 在判断轮廓的最大竖直长度处对应的水平坐标是否位于预定位置范围之 内之前， 还可以先判断该轮廓上的水平坐标是否与该预定位置范围具有交集。 对于不 具有交集的轮廓所对应的触摸可以通过其他方式进行误触摸的识别， 从而进一步优化 了本实施例的流程。 本实施例还提供了一种误触摸识别装置， 用于实现上述误触摸识别方法。 该装置 中涉及的模块和单元的功能可以结合上述误触摸识别方法对应的功能实现进行结合描 述和说明， 在本实施例中将不再赘述。 图 2是根据本申请实施例的误触摸识别装置的结构框图， 如图 2所示， 该装置可 以包括： 确定模块 22、第一判断模块 24和第一识别模块 26， 其中， 确定模块 22设置 为根据触摸屏上的触摸， 确定触摸的轮廓； 第一判断模块 24耦合至上述确定模块 22， 设置为判断轮廓的最大竖直长度处对应的水平坐标是否位于触摸屏上的预定位置范围 内； 第一识别模块 26耦合至上述第一判断模块 24， 设置为在第一判断模块 24的判断 为位于预定位置范围内的情况下， 识别轮廓对应的触摸为误触摸。 本实施例中所涉及到的模块、 单元可以通过软件的方式实现， 也可以通过硬件的 方式来实现。 本实施例中所描述的模块、 单元也可以设置在处理器中， 例如， 可以描 述为： 一种处理器包括确定模块 22、 第一判断模块 24和第一识别模块 26。 其中， 这 些模块的名称在某些情况下并不构成对该模块本身的限定， 例如， 确定模块还可以被 描述为"设置为根据触摸屏上的触摸确定触摸的轮廓的模块"。 优选地， 预定位置范围包括： 距离触摸屏的左边缘或右边缘的距离小于或等于预 定大小的点的水平坐标。 优选地， 确定模块 22设置为确定触摸的轮廓上的多个坐标； 第一判断模块 23设 置为判断多个坐标中具有最大竖直坐标差的两个点的水平坐标是否位于预定范围内。 图 3是根据本申请优选实施例的误触摸识别装置的结构框图， 如图 3所示， 优选 地， 该装置还包括第二判断模块 32耦合至第一判断模块 24， 设置为在判断为未位于 预定位置范围内的情况下， 进一步判断由轮廓围成的图形的面积是否超过预定阈值； 第二识别模块 34耦合至第二判断模块 32， 设置为在第二判断模块 32的判断为超过预 定阈值的情况下， 识别轮廓对应的触摸为误触摸。 优选地， 预定阈值根据触摸屏上的区域的位置确定。 优选地， 在触摸为多个触摸的情况下， 通过上述装置或优选装置分别识别多个触 摸中的误触摸。 优选地， 该装置还包括设置模块， 设置为根据用户的输入设置预定位置范围和 / 或预定阈值。 本实施例还提供了一种终端， 该终端包括触摸屏和上述的误触摸识别装置。 需要说明的是： 上述的误触摸识别方法和装置可以有多种变形形式， 例如以下两 种形式： 方式一 一种误触摸识别方法， 包括： 根据触摸屏上的触摸， 确定该触摸的轮廓； 判断轮 廓上沿平行于触摸屏的边缘且具有最大长度的线距离边缘的距离是否在预定范围之 内； 在位于预定位置范围内的情况下， 识别轮廓对应的触摸为误触摸。 该方法可应用于触摸屏的边缘为非直线型的触摸设备中。 方式二 一种误触摸识别方法， 包括： 根据触摸屏上的触摸， 确定触摸的轮廓； 判断轮廓 的最大宽度和最大长度对应的点的位置在触摸屏上的位置是否在预定范围内； 在判断 结果为是的情况下， 识别轮廓对应的触摸为误触摸。 其中， 上述最大宽度和最大长度对应的点是指在该触摸的轮廓内第一方向上的最 大长度的线段与第二方向上的最长度的线段的交点， 该第一方向和第二方向可以是相 互垂直的两个方向。 优选地， 第一方向和第二方向分别平行于触摸屏的两个相交且垂 直的边缘。 下面结合优选实施例进行描述和说明。 本优选实施例提供了一种防止手持触摸屏设备时易在边缘处产生误触摸的方案。 根据本优选实施例的一个方面， 提供了一个误触摸识别装置， 图 4是根据本申请 另一优选实施例的误触摸识别装置的结构框图， 如图 4所示， 该装置包括以下模块： 触摸屏模块 402， 是通讯终端设备上配备的触摸屏实体。 数据采集模块 404耦合至触摸屏模块 402， 设置为获得每一触摸区域各通道的电 容变化数据。 数据处理模块 406耦合至数据采集模块 404， 设置为根据数据采集模块采集的数 据， 计算出每一触摸动作对应的多个采样点坐标和触摸面积， 并计算同一横坐标下的 最大纵坐标差值， 判断是否为误触摸。 通信模块 408耦合至数据处理模块 406， 设置为触摸屏模块和主机之间的通信， 如 i2c。 应用模块 410耦合至通信模块 408， 设置为将主机端获得的触摸点信息分发给对 应的应用模块使用。 图 5是根据本申请另一优选实施例的误触摸识别方法的流程示意图，如图 5所示， 在该方法中还包括对识别出的误触摸的处理。 该方法包括如下的步骤： 步骤 S502， 开启触摸屏设备， 唤醒触摸屏并触摸屏幕。 步骤 S504， 判断此触摸是否为误触摸。 步骤 S506， 如果屏幕上的触摸动作为误触摸， 则触摸无效， 不报点。 步骤 S508， 如果屏幕上的触摸动作为正常触摸， 则触摸有效， 报点。 通过上述方案， 采用判别边缘位置处每一触摸动作的采样点的最大纵坐标差是否 在误操作区和最大面积是否超过阈值， 可以有效区别在边缘位置的触摸是正常触摸还 是误触摸。 从而可以有效解决用户在手持触摸屏设备时， 手指或手掌容易在屏幕边缘 产生误触摸的问题， 提高了用户的使用体验。 下面将以触摸屏左右两侧边缘的误触摸区为例进行进一步的阐述和说明， 需要说 明的是上下两侧边缘的对应位置处同样适用于本发明实施例。 图 6是根据本申请优选实施例的手持触摸屏设备的平面示意图。 该图中所示的 A 区 （白色部分） 为触摸屏的正常响应区、 B 区 （阴影部分） 为触摸屏两侧边缘处的误 触摸区、 C区 （黑色部分） 为触摸屏的无响应区， L为设置的误操作区宽度， 该值可 调。 A区和 B区均为可视区， C区为非可视区， 该区的宽度根据实际终端而定， 对于 窄边设计的终端， C区的宽度较窄， 甚至为零。 图 7a〜图 7f是根据本申请优选实施例的手持触摸屏设备时的示意图。下面结合这 些图进行说明。 如图 7a所示， 手持触摸屏终端时， 手指 1轻轻触摸到屏幕边缘， 即单手指只触摸 到 B区。 符合本优选实施例提出的触摸区域的最大纵坐标差值对应的横坐标在误触摸 区的判断， 该触摸为误触摸。 如图 7b所示， 手持触摸屏终端时， 手指 1触摸到屏幕边缘， 为单手指同时触摸到
B区和 C区， 符合本优选实施例提出的当误触摸区内有采样点， 且触摸区域的最大纵 坐标差值对应的横坐标在误触摸区内的判断， 该触摸为误触摸。 如图 7c所示， 手持触摸屏终端时， 手指 1和手指 2分别触摸到屏幕边缘， 为多手 指同时触摸到 B区和 C区， 符合本优选实施例提出的采集每一触摸动作的采样点， 当 误触摸区内有采样点，且触摸区域的最大纵坐标差值对应的横坐标在误触摸区的判断， 手指 1和手指 2的触摸均为误触摸。 如图 7d所示， 手持触摸屏终端时， 几乎整个手指 1都触摸到屏幕上， 为单指大面 积触摸， 符合本优选实施例提出的接触面积超过一定面积阈值的判断， 该触摸为误触 摸。 如图 7e所示， 手指 1点击触摸屏， 在 A区主要起作用的同时， 误操作区 B区内 也会有采集点， 但不符合本优选实施例提出的触摸区域的最大纵坐标差值对应的横坐 标在误触摸区的判断， 该触摸动作为正常触摸。 如图 7f所示， 一只手持触摸屏设备的同时操作屏幕， 在本优选实施例提出的方案 内，手掌 2对触摸屏边缘的触摸为误触摸，而手指 1对触摸屏 A区的触摸为正常触摸。 在本优选实施例的方案内， 手掌的误触摸不会产生报点， 从而不会影响手指 1触摸的 正常响应， 提高了客户体验。 图 8是根据本申请优选实施例的判断触摸动作是正常触摸还是误触摸的流程示意 图， 如图 8所示， 该流程包括如下步骤： 步骤 S802， 唤醒触摸屏并触摸屏幕， 可以为单指触摸亦可多指触摸， 触摸屏幕的 位置没有限制。 步骤 S804， 分别采集每一触摸动作的数据， 并计算对应每一触摸动作的多个采样 点坐标。 步骤 S806， 判断每一采样点集合内是否有采样点位于误触摸区内。 步骤 S808， 如果采样点集合内有采样点位于误触摸区， 则计算该多个采样点中同 一横坐标下的最大纵坐标差值。 步骤 S810， 判断最大纵坐标差值对应的横坐标是否位于误触摸区。 步骤 S812，如果采样点集合内没有采样点位于误触摸区或最大纵坐标差值对应的 横坐标没有位于误触摸区， 则计算该触摸动作的最大触摸面积， 并判断该面积是否超 过阈值， 其中， 边缘区和中心区对应的面积阈值可以不同。 步骤 S814， 如果最大纵坐标差值所对应的横坐标位于误触摸区域， 则判定该触摸 操作为误触摸。 步骤 S816， 如果触摸动作的最大触摸面积在设定的阈值以内， 则判定该触摸操作 为正常触摸， 否则为误触摸。 综上所述， 通过本申请的上述实施例、 优选实施例和优选实施方式， 解决了手持 握触屏设备时产生的误触摸导致的问题， 防止了误操作， 从而提高了用户的体验。 工业实用性 本发明通过上述的实施例， 可以应用在任意的具有触摸屏的手持设备上， 解决了 手持握触屏设备时产生的误触摸导致的问题， 防止了误操作， 从而提高了用户的体验， 具有良好的兼容性， 因此具有良好的工业实用性。 显然， 本领域的技术人员应该明白， 上述的本发明的各模块或各步骤可以用通用 的计算装置来实现， 它们可以集中在单个的计算装置上， 或者分布在多个计算装置所 组成的网络上， 可选地， 它们可以用计算装置可执行的程序代码来实现， 从而， 可以 将它们存储在存储装置中由计算装置来执行， 或者将它们分别制作成各个集成电路模 块， 或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。 这样， 本发明 不限制于任何特定的硬件和软件结合。 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。

Claims

权 利 要 求 书
1. 一种误触摸识别方法， 其中， 包括：
根据触摸屏上的触摸， 确定所述触摸的轮廓；
判断所述轮廓的最大竖直长度处对应的水平坐标是否位于所述触摸屏上的 预定位置范围内；
在判断为位于所述预定位置范围内的情况下， 识别所述轮廓对应的触摸为 误触摸。
2. 根据权利要求 1所述的方法， 其中， 所述预定位置范围包括： 距离所述触摸屏 的左边缘或右边缘的距离小于或等于预定大小的点的水平坐标。
3. 根据权利要求 2所述的方法， 其中，
确定所述触摸的所述轮廓包括： 确定所述触摸的所述轮廓上的多个坐标； 判断所述轮廓的所述最大竖直长度处对应的水平坐标是否位于所述触摸屏 上的预定范围内包括： 判断所述多个坐标中具有最大竖直坐标差的两个点的水 平坐标是否位于所述预定范围内。
4. 根据权利要求 1所述的方法， 其中还包括， 在判断为未位于所述预定位置范围 内的情况下，
进一步判断由所述轮廓围成的图形的面积是否超过预定阈值； 在判断为超过预定阈值的情况下， 识别所述轮廓对应的触摸为误触摸。
5. 根据权利要求 4所述的方法， 其中， 所述预定阈值根据所述触摸屏上的区域的 位置确定。
6. 根据权利要求 1至 5中任一项所述的方法， 其中， 在所述触摸为多个触摸的情 况下， 分别识别所述多个触摸中的误触摸。
7. 根据权利要求 1至 5中任一项所述的方法， 其中， 所述方法还包括：
根据用户的输入， 设置所述预定位置范围和 /或预定阈值。
8. 一种误触摸识别装置， 其中， 包括： 确定模块， 设置为根据触摸屏上的触摸， 确定所述触摸的轮廓； 第一判断模块， 设置为判断所述轮廓的最大竖直长度处对应的水平坐标是 否位于所述触摸屏上的预定位置范围内；
第一识别模块， 设置为在判断为位于所述预定位置范围内的情况下， 识别 所述轮廓对应的触摸为误触摸。 根据权利要求 8所述的装置， 其中， 所述装置还包括： 第二判断模块， 设置为在第一判断模块的判断结果为否的情况下， 进一步 判断由所述轮廓围成的图形的面积是否超过预定阈值；
第二识别模块， 设置为在判断为超过预定阈值的情况下， 识别所述轮廓对 应的触摸为误触摸。 根据权利要求 8或 9所述的装置， 其中， 所述装置还包括：
设置模块，设置为根据用户的输入，设置所述预定位置范围和 /或预定阈值。
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