WO2014169567A1 - 误触摸识别方法和装置 - Google Patents
误触摸识别方法和装置 Download PDFInfo
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- 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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- Prior art keywords
- touch
- contour
- touch screen
- determining
- area
- Prior art date
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—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
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- 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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Abstract
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13882411.5A EP2980679B1 (en) | 2013-08-20 | 2013-09-18 | Mis-touch recognition method and device |
US14/890,195 US9910541B2 (en) | 2013-08-20 | 2013-09-18 | Mis-touch recognition method and device |
KR1020157036613A KR20160042824A (ko) | 2013-08-20 | 2013-09-18 | 터치미스 인식 방법 및 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201310364304.1A CN104423656B (zh) | 2013-08-20 | 2013-08-20 | 误触摸识别方法和装置 |
CN201310364304.1 | 2013-08-20 |
Publications (1)
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WO2014169567A1 true WO2014169567A1 (zh) | 2014-10-23 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/CN2013/083806 WO2014169567A1 (zh) | 2013-08-20 | 2013-09-18 | 误触摸识别方法和装置 |
Country Status (5)
Country | Link |
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US (1) | US9910541B2 (zh) |
EP (1) | EP2980679B1 (zh) |
KR (1) | KR20160042824A (zh) |
CN (1) | CN104423656B (zh) |
WO (1) | WO2014169567A1 (zh) |
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US11782554B2 (en) | 2019-06-28 | 2023-10-10 | Huawei Technologies Co., Ltd. | Anti-mistouch method of curved screen and electronic device |
EP3356917B1 (en) * | 2015-09-30 | 2024-05-22 | Elo Touch Solutions, Inc. | Supporting multiple users on a large scale projected capacitive touchscreen |
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CN104020878A (zh) * | 2014-05-22 | 2014-09-03 | 小米科技有限责任公司 | 触摸输入控制方法及装置 |
KR20170062535A (ko) * | 2015-03-31 | 2017-06-07 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 터치 스크린 입력 방법 및 단말 |
CN105094543B (zh) * | 2015-07-09 | 2018-11-02 | 努比亚技术有限公司 | 终端操作指令输入方法及装置 |
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CN113325966A (zh) * | 2020-02-28 | 2021-08-31 | 北京小米移动软件有限公司 | 报点处理方法、报点处理装置及存储介质 |
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US9910541B2 (en) | 2018-03-06 |
KR20160042824A (ko) | 2016-04-20 |
CN104423656B (zh) | 2018-08-17 |
EP2980679B1 (en) | 2023-05-31 |
US20160154526A1 (en) | 2016-06-02 |
CN104423656A (zh) | 2015-03-18 |
EP2980679A1 (en) | 2016-02-03 |
EP2980679A4 (en) | 2016-07-13 |
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