WO2019037348A1 - 书写笔迹圈选方法及装置、触摸设备、可读存储介质 - Google Patents
书写笔迹圈选方法及装置、触摸设备、可读存储介质 Download PDFInfo
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- WO2019037348A1 WO2019037348A1 PCT/CN2017/116310 CN2017116310W WO2019037348A1 WO 2019037348 A1 WO2019037348 A1 WO 2019037348A1 CN 2017116310 W CN2017116310 W CN 2017116310W WO 2019037348 A1 WO2019037348 A1 WO 2019037348A1
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
Definitions
- FIG. 1 A schematic diagram of the selection situation.
- the writing stroke is located inside the circled track, and the user has theoretically selected the writing hand, but if judged according to the above steps 1) to 7), the opposite result is obtained.
- the user may appear Ming has already circled the writing handwriting, but still can not select the phenomenon of writing handwriting, so that the user has difficulty in selecting the writing handwriting, which is easy to bring a bad user experience.
- the embodiment of the invention provides a method and a device for selecting a writing stroke circle, a touch device and a readable storage medium, which can reduce the difficulty of the user to select a writing handwriting in the screen and improve the user experience.
- a method for selecting a writing stroke circle specifically includes: at an electronic device having a touch-sensitive surface:
- the target handwriting is circled.
- the touch points that are detected during the circle selection operation are connected to generate a closed movement track corresponding to the circle selection operation, which specifically includes:
- determining, according to an intersection of a straight line corresponding to each of the handwriting points of the target handwriting and the closed moving track, and a track angle of the closed moving track at each of the intersection points, determining each of the handwriting points Whether it is located inside the closed moving track, for each of the straight lines specifically includes:
- the preset threshold is 90 degrees.
- the embodiment of the present invention further provides a writing stroke circle selection device, which specifically includes:
- the circle selection operation monitoring module is configured to monitor the circle selection operation of the target handwriting located on the display interface
- a closed movement trajectory generating module configured to connect the touch points detected during the circle selection operation to generate a closed movement trajectory corresponding to the circle selection operation
- a handwriting point circle selection judging module configured to determine, according to an intersection of a straight line corresponding to each handwriting point of the target handwriting and the closed moving track, and a track angle of the closed moving track at each of the intersection points Whether the handwriting point is located inside the closed moving track; wherein the straight line corresponding to the handwriting point is a straight line passing through the handwriting point;
- a target handwriting circle selection determining module configured to determine, according to the calculated number of the handwriting points located inside the closed moving track, whether the target handwriting is located inside the closed moving track;
- a second hand point circle selection result determining unit configured to, when, for each side of the handwriting point in the straight line, the two intersection points having the track angle difference value smaller than the preset threshold value, Determining that the handwriting point is located inside the closed moving track;
- FIG. 2 is a schematic flow chart of a preferred embodiment of a writing stroke selection method provided by the present invention
- FIG. 7 is a schematic structural diagram of a preferred embodiment of a touch device provided by the present invention.
- the present invention determines the handwriting by making a straight line through the handwriting point and according to the number of intersections between the straight line and the closed moving track generated by the user's circled operation and the track angle of the closed moving track at each intersection. Whether the point is inside the closed movement track, and further determining whether the target handwriting composed of the handwriting point is inside the closed movement track, thereby determining whether the user's selection operation is selected by the circle selection operation. In the present invention, it is determined whether or not the handwriting point corresponding to the straight line is selected according to the double standard of the number of intersections between the moving trajectory of the straight line and the circle selection operation and the angle of the moving trajectory at the position of the intersection point, thereby determining whether the corresponding correspondence is selected.
- the target handwriting can therefore make up for the logic loopholes of the traditional handwriting circle selection method, reduce the difficulty of the user to select the writing handwriting in the screen, and improve the user experience.
- a schematic flowchart of a preferred embodiment of a writing stroke selection method provided by the present invention includes steps S21 to S25, as follows: at an electronic device having a touch-sensitive surface:
- S24 determining, according to the calculated number of the handwriting points located inside the closed moving track, whether the target handwriting is located inside the closed moving track;
- an electronic device having a touch-sensitive surface, such as a smart phone having a touch surface, a smart tablet, or the like.
- the touch sensitive surface may be a capacitive screen, a resistive screen, an infrared screen or the like for receiving a touch operation of a user.
- the electronic device can also have a display interface for displaying related user interaction information.
- a corresponding circle selection operation is performed on the touch-sensitive surface.
- the electronic device monitors the circle selection operation on the touch-sensitive surface, and acquires the position information of the current location of the touch point at intervals, and the current location of the touched point that is currently monitored is the last time that the touched point is monitored. The location where the touch point is located is connected.
- the end of the circle selection operation is detected (ie, the lifting operation)
- the start point and the end point of the circle selection operation are connected, thereby generating a corresponding closed movement track.
- the trajectory angle is an angle between a trajectory direction of the closed moving trajectory at each intersection and a reference direction of the touch sensitive surface.
- each touch-sensitive surface has a corresponding built-in coordinate system.
- the reference direction of the touch-sensitive surface may be the positive direction of the abscissa axis of the built-in coordinate system, or may be the vertical axis.
- the direction can also be other preset coordinate directions, and the specific settings can be set according to the needs of the actual application scenario.
- determining whether the target handwriting is located inside the closed moving track is The next judgment method:
- the unselected result prompt may also be outputted on the display interface at the same time.
- a line passing through the handwriting point is made to the handwriting point, and the handwriting point is judged to be inside the circled track according to the number of intersections of the line and the user's circled track, according to The trajectory angle of the circled trajectory at each intersection point is further verified by whether the handwriting point is located inside the circled trajectory, that is, by determining whether the handwriting point is located inside the circled trajectory according to the double standard, thereby determining the Whether the target handwriting where the handwriting point is located is located inside the circled track, thereby making up for the logic loophole of the traditional handwriting circle selection method, improving the accuracy of determining whether the target handwriting composed of the handwriting point is inside the circled track, and reducing The user selects the difficulty of writing strokes on the screen to improve the user experience.
- the touch points that are detected during the circle selection operation are connected to generate a closed movement track corresponding to the circle selection operation, which specifically includes:
- the electronic device acquires the position information of the touch point on the touch-sensitive surface every predetermined time period, and the touch point detected this time.
- the position is connected with the position of the touch point detected last time, thereby obtaining a vector line segment including direction information, wherein the position of the touch point detected by the vector line segment is the starting point, and the touch detected this time
- the location of the point is the end point.
- FIG. 3 it is a schematic diagram for generating a vector line segment of the circle selection operation process.
- the touch point of the electronic device on the touch-sensitive surface disappears, that is, when the user's circle-finding operation is detected, the end point of the circle-selection operation is the vector start point, and the start point of the circle-selection operation is the vector end point.
- the termination point and the starting point of the circle selection operation are connected, thereby obtaining corresponding vector line segments, thereby obtaining a closed movement track composed of all the above-mentioned vector line segments.
- FIG. 4 it is a schematic diagram of a closed moving track.
- FIG. 5 a schematic diagram of a line 1 passing through a handwriting point A intersecting a closed moving track.
- the intersections of the straight line 1 and the closed moving track are a, b, c, and d, respectively.
- the writing stroke circle selection method passes the straight line passing through the handwriting point to the handwriting point, and whether the handwriting point is located in the circled trajectory according to the number of intersections of the straight line and the user's circled trajectory While internally judging, according to the trajectory angle of the circled trajectory at each intersection, whether the handwriting point is located inside the circled trajectory is further verified, that is, whether the handwriting point is located in the circle according to the double standard Selecting the inside of the track to determine whether the target handwriting of the handwriting point is located inside the circled track, thereby making up for the logic loophole of the traditional handwriting circle selection method, and improving whether the target handwriting composed of the handwriting point is in the circle Selecting the internal accuracy of the track reduces the difficulty of the user's choice of writing strokes on the screen and improves the user experience.
- the present invention also provides a writing stroke circle selecting device, which can implement the above embodiments. Write all the flow of the stroke selection method.
- FIG. 6 is a schematic structural diagram of a preferred embodiment of a writing stroke sorting device provided by the present invention, as follows:
- the circle selection operation monitoring module 61 is configured to monitor the circle selection operation of the target handwriting located on the display interface;
- a closed movement trajectory generating module 62 configured to connect the touch points detected during the circle selection operation to generate a closed movement trajectory corresponding to the circle selection operation;
- a handwriting point circle selection judging module 63 configured to determine, according to an intersection of a straight line corresponding to each handwriting point of the target handwriting and the closed moving track, and a track angle of the closed moving track at each of the intersection points Whether each of the handwriting points is located inside the closed moving track; wherein the straight line corresponding to the handwriting point is a straight line passing through the handwriting point;
- a closed movement trajectory obtaining unit configured to connect a start point and a end point of the circle selection operation when detecting the end of the circle selection operation, and generate the closed movement trajectory according to all of the vector line segments.
- the handwriting point circle selection determining module specifically includes:
- a first track circle selection result determining unit configured to determine that the handwriting point is located inside the closed moving track when the number of the intersection points on any side of the handwriting point in the straight line is an odd number ;or,
- a second hand point circle selection result determining unit configured to, when, for each side of the handwriting point in the straight line, the two intersection points having the track angle difference value smaller than the preset threshold value, Determining that the handwriting point is located inside the closed moving track;
- a third hand point circle selection result determining unit configured to: when for any side of the handwriting point in the straight line, the track angle difference value between each two of the intersection points is not less than the preset At the threshold, it is determined that the handwriting point is outside the closed moving track.
- the preset threshold is 90 degrees.
- the writing stroke circle selecting device passes the straight line passing through the handwriting point to the handwriting point, and whether the handwriting point is located in the circled trajectory according to the number of intersections of the straight line and the user's circled trajectory While internally judging, according to the trajectory angle of the circled trajectory at each intersection, whether the handwriting point is located inside the circled trajectory is further verified, that is, whether the handwriting point is located in the circle according to the double standard Selecting the inside of the track to determine whether the target handwriting of the handwriting point is located inside the circled track, thereby making up for the logic loophole of the traditional handwriting circle selection method, and improving whether the target handwriting composed of the handwriting point is in the circle Selecting the internal accuracy of the track reduces the difficulty of the user's choice of writing strokes on the screen and improves the user experience.
- FIG. 7 is a schematic structural diagram of a preferred embodiment of a touch device provided by the present invention, specifically including at least one memory 71 and at least one processor 72;
- the memory 71 includes at least one executable program stored therein;
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Abstract
Description
Claims (10)
- 一种书写笔迹圈选方法,其特征在于,包括:在具有触敏表面的电子装置处:监听对位于显示界面上的目标笔迹的圈选操作;将在所述圈选操作过程中检测到的触摸点进行连接,生成与所述圈选操作相对应的闭合移动轨迹;根据与所述目标笔迹的每个笔迹点对应的直线与所述闭合移动轨迹的交点以及所述闭合移动轨迹在每个所述交点处的轨迹角度,判断各个所述笔迹点是否位于所述闭合移动轨迹的内部;其中,所述与所述笔迹点对应的直线为经过该笔迹点的直线;根据计算到的位于所述闭合移动轨迹内部的所述笔迹点的数目判断所述目标笔迹是否位于所述闭合移动轨迹的内部;当确定所述目标笔迹位于所述闭合移动轨迹的内部时,圈选所述目标笔迹。
- 如权利要求1所述的书写笔迹圈选方法,其特征在于,所述将在所述圈选操作过程中检测到的触摸点进行连接,生成与所述圈选操作相对应的闭合移动轨迹,具体包括:在所述圈选操作过程中,每隔预定时间获取在所述触敏表面上的触摸点的位置;对获取到的所述触敏表面上的触摸点依次进行连接,生成对应的矢量线段;当检测到所述圈选操作结束时,连接所述圈选操作的起始点和终止点,并根据所有的所述矢量线段生成所述闭合移动轨迹。
- 如权利要求2所述的书写笔迹圈选方法,其特征在于,所述轨迹角度为对应的所述交点所在的所述矢量线段的方向与所述触敏表面的基准方向之间的角度。
- 如权利要求1所述的书写笔迹圈选方法,其特征在于,所述根据与所述目标笔迹的每个笔迹点对应的直线与所述闭合移动轨迹的交点以及所述闭合移动轨迹在每个所述交点处的轨迹角度,判断各个所述笔迹点是否位于所述闭合移动轨迹的内部,对于每个所述直线,均具体包括:判断所述直线中的位于所述笔迹点的两侧的所述交点的个数是否均为偶数;若否,则确定所述笔迹点位于所述闭合移动轨迹内部;若是,则判断所述直线中的位于所述笔迹点的同一侧的每两个所述交点所对应的所述轨迹角度之间的轨迹角度差值是否小于预设阈值;若对于所述直线中的所述笔迹点的每一侧,均具有所述轨迹角度差值小于所述预设阈值的两个所述交点,则确定所述笔迹点位于所述闭合移动轨迹的内部;若对于所述直线中的所述笔迹点的任意一侧,每两个所述交点之间的所述轨迹角度差值均不小于所述预设阈值,则确定所述笔迹点位于所述闭合移动轨迹的外部。
- 如权利要求4所述的书写笔迹圈选方法,其特征在于,所述预设阈值为90度。
- 一种书写笔迹圈选装置,其特征在于,包括:圈选操作监听模块,用于监听对位于显示界面上的目标笔迹的圈选操作;闭合移动轨迹生成模块,用于将在所述圈选操作过程中检测到的触摸点进行连接,生成与所述圈选操作相对应的闭合移动轨迹;笔迹点圈选判断模块,用于根据与所述目标笔迹的每个笔迹点对应的直线与所述闭合移动轨迹的交点以及所述闭合移动轨迹在每个所述交点处的轨迹角度,判断各个所述笔迹点是否位于所述闭合移动轨迹的内部;其中,所述与所述笔迹点对应的直线为经过该笔迹点的直线;目标笔迹圈选判断模块,用于根据计算到的位于所述闭合移动轨迹内部的 所述笔迹点的数目判断所述目标笔迹是否位于所述闭合移动轨迹的内部;以及,目标笔迹圈选模块,用于当确定所述目标笔迹位于所述闭合移动轨迹的内部时,圈选所述目标笔迹。
- 如权利要求6所述的书写笔迹圈选装置,其特征在于,所述闭合移动轨迹生成模块,具体包括:触摸点位置获取单元,用于在所述圈选操作过程中,每隔预定时间获取在触敏表面上的触摸点的位置;矢量线段生成单元,用于对获取到的所述触敏表面上的触摸点依次进行连接,生成对应的矢量线段;以及,闭合移动轨迹获得单元,用于当检测到所述圈选操作结束时,连接所述圈选操作的起始点和终止点,并根据所有的所述矢量线段生成所述闭合移动轨迹;其中,所述轨迹角度为对应的所述交点所在的所述矢量线段的方向与所述触敏表面的基准方向之间的角度。
- 如权利要求6所述的书写笔迹圈选装置,其特征在于,所述笔迹点圈选判断模块,具体包括:交点个数判断单元,用于判断所述直线中的位于所述笔迹点的两侧的所述交点的个数是否均为偶数;第一笔迹点圈选结果确定单元,用于当所述直线中的位于所述笔迹点的任意一侧的所述交点的个数为奇数时,确定所述笔迹点位于所述闭合移动轨迹内部;或者,轨迹角度差值判断单元,用于当所述直线中的位于所述笔迹点的两侧的所述交点的个数均为偶数时,判断所述直线中的位于所述笔迹点的同一侧的每两个所述交点所对应的所述轨迹角度之间的轨迹角度差值是否小于预设阈值;以及,第二笔迹点圈选结果确定单元,用于当对于所述直线中的所述笔迹点的每 一侧,均具有所述轨迹角度差值小于所述预设阈值的两个所述交点时,确定所述笔迹点位于所述闭合移动轨迹的内部;或者,第三笔迹点圈选结果确定单元,用于当对于所述直线中的所述笔迹点的任意一侧,每两个所述交点之间的所述轨迹角度差值均不小于所述预设阈值时,确定所述笔迹点位于所述闭合移动轨迹的外部。
- 一种触摸设备,其特征在于,包括至少一个存储器以及至少一个处理器;所述存储器,包括存储于其中的至少一个可执行程序;所述可执行程序在由所述处理器执行时,使得所述处理器实现如权利要求1至6中任一项所述的书写笔迹圈选方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质包括存储的计算机程序,其中,在所述计算机程序运行时控制所述计算机可读存储介质所在设备执行如权利要求1至5中任一项所述的书写笔迹圈选方法。
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| CN201710722871.8A CN107632760B (zh) | 2017-08-21 | 2017-08-21 | 书写笔迹圈选方法及装置、触摸设备、可读存储介质 |
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| CN110045909B (zh) * | 2019-04-15 | 2021-01-22 | 广州视源电子科技股份有限公司 | 基于书写轨迹的椭圆处理方法、装置、设备及存储介质 |
| CN111427497B (zh) * | 2019-05-17 | 2021-08-24 | 杭州海康威视数字技术股份有限公司 | 笔迹显示方法及装置 |
| CN111475097B (zh) * | 2020-04-07 | 2021-08-06 | 广州视源电子科技股份有限公司 | 一种笔迹选择方法、装置、计算机设备和存储介质 |
| CN113177076B (zh) * | 2021-04-08 | 2025-05-13 | 中电鹰硕(深圳)智慧互联有限公司 | 一种基于大数据的笔迹数据分发方法及系统 |
| CN116185269A (zh) * | 2021-11-29 | 2023-05-30 | 广州视源电子科技股份有限公司 | 元素选择方法、装置、存储介质以及电子设备 |
| WO2024239323A1 (zh) * | 2023-05-25 | 2024-11-28 | 京东方科技集团股份有限公司 | 圈选操作方法、电子书写装置、存储介质和电子设备 |
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| CN102778968A (zh) * | 2011-05-11 | 2012-11-14 | 深圳富泰宏精密工业有限公司 | 物件选取方法及系统 |
| CN102929503A (zh) * | 2012-10-30 | 2013-02-13 | 华为终端有限公司 | 选择文件的方法和终端 |
| US20150248166A1 (en) * | 2014-01-26 | 2015-09-03 | Shangkar Meitei Mayanglambam | System for spontaneous recognition of continuous gesture input |
| CN104615379A (zh) * | 2015-03-06 | 2015-05-13 | 蔡伟英 | 一种个人桌面应用快捷操作方法及系统 |
| CN105320437A (zh) * | 2015-05-21 | 2016-02-10 | 马兰英 | 选择字符或图像的方法及计算设备 |
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| Publication number | Publication date |
|---|---|
| CN107632760A (zh) | 2018-01-26 |
| CN107632760B (zh) | 2019-12-17 |
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