CN112558700B - Multi-touch-based exhibition hall touch screen object identification method - Google Patents
Multi-touch-based exhibition hall touch screen object identification method Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000006698 induction Effects 0.000 claims abstract description 32
- 230000035945 sensitivity Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000011426 transformation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
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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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0362—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 1D translations or rotations of an operating part of the device, e.g. scroll wheels, sliders, knobs, rollers or belts
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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
- G06F3/0412—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
- G06F3/044—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
- 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
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04808—Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen
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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)
- Computer Hardware Design (AREA)
- Position Input By Displaying (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention provides a multi-touch-based exhibition hall touch screen object identification method, which comprises the following steps of: the computer comprises a capacitive touch frame, a display, a computer host and a base, wherein the capacitive touch frame is arranged on the display; the base is provided with a plurality of induction modules which are respectively connected with the capacitive touch frame, the display and the computer host in a signal mode, and each induction module is provided with four induction points; different sensing points in the sensing modules are identified through a software system in the object identification method, so that the modules corresponding to the different sensing points can be identified, and corresponding digital contents are displayed on a human-computer interface. The invention is used for solving the technical problem that a user can only touch a designed program button by a finger and can not link a real object or a real object model introduced by images and texts with digital content when the traditional touch screen for the exhibition hall is used.
Description
Technical Field
The invention relates to an object identification method, in particular to a multi-touch-based exhibition hall touch screen object identification method.
Background
The interactive exhibition halls in the exhibition halls mostly use touch screens as man-machine interaction interfaces, the displayed contents mainly comprise graphic data and audio/video playing, a user can only touch a designed program button through fingers, click or slide to check digital content display, and a real object or a real object model of graphic introduction cannot be connected with digital content.
Disclosure of Invention
In view of the above, the invention provides a multi-touch-based object recognition method for a touch screen of an exhibition hall, which is used for solving the technical problem that a user can only touch a designed program button by a finger and click or slide to view digital content display, and cannot link a real object or a real object model introduced by images and texts with digital content when the conventional touch screen for the exhibition hall is used.
For this reason, the invention provides a multi-touch-based exhibition hall touch screen object recognition method, wherein:
The hardware system in the object recognition method comprises the following steps: the touch screen comprises a capacitive touch frame, a display, a computer host and a base, wherein the capacitive touch frame is arranged on the display; the base is provided with a plurality of induction modules which are respectively connected with the capacitive touch frame, the display and the computer host in a signal mode, and each induction module is provided with four induction points; and identifying different induction points in the induction modules through a software system in the object identification method, namely identifying the modules corresponding to the different induction points, and displaying corresponding digital contents on a human-computer interface.
Further, the software system in the object recognition method can recognize six sensing modules, and application scenes corresponding to different modules are different.
Further, the software system in the object recognition method can recognize the angle of each sensing module, and acquire the rotation direction of each sensing module in real time, so as to distinguish the application scene corresponding to the corresponding sensing module.
Further, four supporting legs are arranged on the sensing module, and each supporting leg corresponds to one sensing point.
Further, the four supporting legs take the circle center of the whole induction module as the circle center, two supporting legs and the circle center are on the same straight line, and the other two supporting legs are distributed on two sides of the straight line.
In the object recognition method, the radius of the sensing module and the included angles of the four sensing points are used as characteristic points to mark different sensing modules.
Further, the software system in the object recognition method recognizes the position of the support leg through the capacitive touch frame, compares the diameter calculated by the software system with the diameter of the built-in module by taking any two coordinate points as the diameter, the error is within a certain range, a circle is virtually formed by the circle center of the sensing module, whether the sensing points are positioned on the circle or not is calculated by the circle center of the sensing module, the sensing module conforming to the characteristic value is counted into a recognized sensing module array, the recognition rate is calculated by the radius of the circle and the relative position error of the sensing points, and the recognition rate is stored into the array; and determining the number of the modules identified by the identification software according to the number of the touch points identified by the capacitive touch frame, and selecting identification module data from high to low in the identification rate array to obtain the module position and the rotation angle.
Further, the capacitive touch frame can identify fifty touch points, the software system can identify all the touch points, the detection software can respectively calculate and detect the characteristics by using any four points, and the characteristics are respectively compared, so that all the sensing modules meeting the conditions are calculated, and finally the center position and the rotation angle of each sensing module are returned.
The invention provides a multi-touch-based exhibition hall touch screen object identification method, which comprises the following steps that hardware comprises a capacitive touch frame, a display, a computer host and a base, wherein the capacitive touch frame is arranged on the display, the computer host is electrically connected with the display and the capacitive touch frame, and the display is arranged on the base; the base is provided with a plurality of induction modules which are respectively connected with the capacitive touch frame, the display and the computer host in a signal mode, and each induction module is provided with four induction points; and identifying different induction points in the induction modules through a software system in the object identification method, namely identifying the modules corresponding to the different induction points, and displaying corresponding digital contents on a human-computer interface.
Through the structure, the object identification method for the exhibition hall touch screen based on the multi-point touch has the following advantages compared with the prior art:
1. the module transformation method is simplified, the identification module is simple in structure, not easy to damage, free of complex circuits and light in weight;
2. as the sensitivity of the capacitive touch medium increases, the number of modules supporting recognition at the same time can be increased synchronously:
3. The synchronous support module moves and rotates, mutual operation is not affected, and the operation sensitivity is improved along with the improvement of the capacitive touch resolution sensitivity;
4. The user touches the designed program button by a finger, clicks or slides to view the digital content display, and can link the real object or the real object model introduced by the image and text with the digital content, so that the whole human-computer interface is more vivid and lively.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Also, like reference numerals are used to designate like parts throughout the figures. Specifically, in the drawings:
Fig. 1 is a schematic structural diagram of an induction module in a multi-touch-based object recognition method for a touch screen in an exhibition hall according to an embodiment of the present invention;
fig. 2 is a system structure diagram of a multi-touch-based object recognition method for a touch screen in a exhibition hall according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In describing embodiments of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "inner", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiment one:
Referring to fig. 1 to 2, a multi-touch-based object recognition method for a hall touch screen according to a first embodiment of the present invention is shown, and mainly includes: the hardware system in the object recognition method comprises the following steps: the touch screen comprises a capacitive touch frame, a display, a computer host and a base, wherein the capacitive touch frame is arranged on the display; the base is provided with a plurality of induction modules 1, the induction modules 1 are respectively connected with the capacitive touch frame, the display and the computer host in a signal mode, and each induction module 1 is provided with four induction points; different sensing points in the sensing module 1 are identified through a software system in the object identification method, so that modules corresponding to the different sensing points can be identified, and corresponding digital contents are displayed on a human-computer interface. The software system in the object recognition method can recognize six sensing modules 1, and application scenes corresponding to different modules are different.
The hardware of the method for identifying the object of the exhibition hall touch screen based on the multi-point touch comprises a capacitive touch frame, a display, a computer host and a base, wherein the capacitive touch frame is arranged on the display, the computer host is electrically connected with the display and the capacitive touch frame, and the display is arranged on the base; the base is provided with a plurality of induction modules which are respectively connected with the capacitive touch frame, the display and the computer host in a signal mode, and each induction module is provided with four induction points; and identifying different induction points in the induction modules through a software system in the object identification method, namely identifying the modules corresponding to the different induction points, and displaying corresponding digital contents on a human-computer interface.
Through the structure, the object identification method for the exhibition hall touch screen based on the multi-point touch has the following advantages compared with the prior art:
1. the module transformation method is simplified, the identification module is simple in structure, not easy to damage, free of complex circuits and light in weight;
2. the number of modules supporting identification can be synchronously increased along with the improvement of the sensitivity of the capacitive touch medium;
3. The synchronous support module moves and rotates, mutual operation is not affected, and the operation sensitivity is improved along with the improvement of the capacitive touch resolution sensitivity;
4. The user touches the designed program button by a finger, clicks or slides to view the digital content display, and can link the real object or the real object model introduced by the image and text with the digital content, so that the whole human-computer interface is more vivid and lively.
Embodiment two:
Referring to fig. 1 to 2, a multi-touch-based object recognition method for a touch screen in an exhibition hall according to a second embodiment of the present invention is shown, and the present embodiment further makes the following technical solutions as improvements based on the foregoing embodiments: the software system in the object recognition method can recognize the angle of each sensing module 1, and acquire the rotation direction of each sensing module 1 in real time, so as to distinguish the application scene corresponding to the corresponding sensing module 1; four supporting legs 2 are arranged on the sensing module 1, and each supporting leg 2 corresponds to one sensing point; the four support legs 2 take the circle center of the whole induction module 1 as the circle center, wherein two support legs 2 and the circle center are on the same straight line, and the other two support legs 2 are distributed on two sides of the straight line; in the object recognition method, the radius of the sensing module 1 and the included angles of the four sensing points are used as characteristic points to mark different sensing modules 1. Through the setting of above-mentioned structure, judge corresponding response module 1 rapidly through the position that stabilizer blade 2 corresponds, improve sensitivity to promote user's experience degree.
Embodiment III:
Referring to fig. 1 to 2, a multi-touch-based object recognition method for a touch screen in an exhibition hall according to a third embodiment of the present invention is shown, and the present embodiment further makes the following technical solutions as improvements based on the foregoing embodiments: the software system in the object identification method identifies the position of the support leg 2 through the capacitive touch frame, compares the diameter calculated by the software system with the diameter of the built-in module by taking any two coordinate points as the diameter, the error is within a certain range, virtually calculates a circle by using the circle center of the sensing module 1, calculates whether the sensing points are on the circle at the periphery, counts the sensing module 1 conforming to the characteristic value into an array of the identified sensing module 1, calculates the identification rate by using the radius of the circle and the relative position error of the sensing points, and stores the identification rate into the array of the identification rate; and determining the number of the modules identified by the identification software according to the number of the touch points identified by the capacitive touch frame, and selecting identification module data from high to low in the identification rate array to obtain the module position and the rotation angle. Through the arrangement of the structure, the calculation accuracy can be improved.
Embodiment four:
Referring to fig. 1-2, a multi-touch-based object recognition method for a touch screen in an exhibition hall according to a fourth embodiment of the present invention is shown, and the present embodiment further makes the following technical solutions as improvements based on the foregoing embodiments: the capacitive touch frame can identify fifty touch points, the software system can identify all the touch points, the characteristics of the detection software are respectively calculated and detected by any four points, the characteristics are respectively compared, all the sensing modules 1 meeting the conditions are calculated, and finally the central position and the rotation angle of each sensing module 1 are returned. Through the arrangement of the structure, the recognition rate and the accuracy can be improved.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (1)
1. The object recognition method for the exhibition hall touch screen based on the multi-point touch is characterized in that a hardware system in the object recognition method comprises the following steps: the touch screen comprises a capacitive touch frame, a display, a computer host and a base, wherein the capacitive touch frame is arranged on the display; the base is provided with sensing modules (1), the sensing modules (1) are respectively connected with the capacitive touch frame, the display and the computer host in a signal mode, the sensing modules (1) are arranged in a plurality, and four sensing points are arranged on each sensing module (1); different induction points in the induction module (1) are identified through a software system in the object identification method, so that modules corresponding to the different induction points can be identified, and corresponding digital contents are displayed on a human-computer interface;
the software system in the object recognition method can recognize six sensing modules (1), and application scenes corresponding to different modules are different;
The software system in the object recognition method can recognize the angle of each sensing module (1), and acquire the rotation direction of each sensing module (1) in real time, so as to distinguish the application scene corresponding to the corresponding sensing module (1);
Four supporting legs (2) are arranged on the sensing module (1), and each supporting leg (2) corresponds to one sensing point;
The four support legs (2) take the circle center of the whole induction module (1) as the circle center, wherein two support legs (2) and the circle center are on the same straight line, and the other two support legs (2) are distributed on two sides of the straight line;
In the object recognition method, different sensing modules (1) are marked by taking the radius of the sensing module (1) and the included angles of four sensing points as characteristics;
The software system in the object identification method identifies the position of the supporting leg (2) through the capacitive touch frame, compares the diameter calculated by the software system with the diameter of the built-in module by taking any two coordinate points as the diameter, virtually calculates a circle by the circle center of the sensing module (1) when the error is within a certain range, calculates whether the sensing points are on the circle or not at the periphery, calculates the sensing module (1) conforming to the characteristics into an array of the identified sensing module (1), calculates the identification rate by the radius of the circle and the relative position error of the sensing points, and stores the identification rate into the array of the identification rate; and determining the number of the modules identified by the identification software according to the number of the touch points identified by the capacitive touch frame, and selecting identification module data from high to low in the identification rate array to obtain the module position and the rotation angle.
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| CN114327711A (en) * | 2021-12-23 | 2022-04-12 | 力方数字科技集团有限公司 | Object identification display method and system based on multi-point touch screen |
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| US20120249430A1 (en) * | 2011-03-31 | 2012-10-04 | Oster David Phillip | Multi-Touch Screen Recognition of Interactive Objects, and Application Thereof |
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| KR20150115456A (en) * | 2014-04-04 | 2015-10-14 | 원투씨엠 주식회사 | Capacitive Touch Module |
| KR20190114348A (en) * | 2018-03-29 | 2019-10-10 | 주식회사 네틱스 | Apparatus and method for multi-touch recognition |
| CN210248997U (en) * | 2019-02-27 | 2020-04-07 | 上海艾滴维信息技术有限公司 | Infrared touch frame discernment interactive table |
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