CN111562855A - Display screen touch point adjustment control method and system - Google Patents
Display screen touch point adjustment control method and system Download PDFInfo
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- CN111562855A CN111562855A CN202010292691.2A CN202010292691A CN111562855A CN 111562855 A CN111562855 A CN 111562855A CN 202010292691 A CN202010292691 A CN 202010292691A CN 111562855 A CN111562855 A CN 111562855A
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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
- 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
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
The invention relates to a method and a system for adjusting and controlling touch points of a display screen, which are characterized in that the direct distance between eyes of a user and a preset reference object, the relative inclination angle and the horizontal distance between the user and the display screen are obtained, the offset distance of the sight of the user, which is influenced by the thickness of a glass panel, is obtained by processing according to the obtained inclination angle and the thickness of the glass panel of the display screen, and then a new position of the touch point, which is adjusted by processing based on the obtained offset distance, is obtained by combining the position of the touch point applied on the display screen by the user, so that the adverse influence of the thickness of the glass panel of the display screen on the touch of the user on the display screen is avoided, the problem of touch dislocation caused by the refraction angle of the user due to the thickness of the glass panel of the display screen is solved.
Description
Technical Field
The invention relates to the field of display screens, in particular to a method and a system for adjusting and controlling touch points of a display screen.
Background
Along with the popularization of artificial intelligence products, more and more devices introduce intelligent screen control, and especially intelligent display screens are installed on a plurality of furniture devices. Since many devices are fixed in a specific position, they cannot be moved as desired as existing mobile phones and tablet computers. Therefore, when the user operates the display screens on these devices at different positions or at different height viewing angles, the operation experience of the user is easily affected due to the problem of the refraction angle of the display screens, and even the user may operate the display screens on the display screens by mistake.
In order to solve the problem, the size of the display screen on the terminal is mostly made larger and larger to improve a larger and wider display interface to the user, so as to hopefully meet the operation requirements of the user at different positions or different height positions. However, since the size of the display screen is enlarged, the cost of the entire terminal product will be increased undoubtedly, and the operation problem of the existing display screen due to the refraction angle cannot be solved fundamentally.
Chinese patent application CN201910368914.6 discloses a screen adaptive adjustment system and method, the screen adaptive adjustment system includes a signal acquisition unit, a signal processing unit and a screen adjustment unit which are connected in sequence. The method comprises the steps of collecting light rays and body postures and sight lines of a driver in real time, processing signals of the light rays, the body postures, the sight lines and the like, obtaining optimal screen brightness, optimal distance, optimal height, optimal inclination angle and optimal deflection angle by adopting a self-preset position self-adaptive adjustment algorithm and a brightness self-adaptive adjustment algorithm, and finally adjusting the state of the vehicle-mounted display at the optimal screen brightness, optimal distance, optimal height, optimal inclination angle and optimal deflection angle according to an adjustment signal of a signal processing unit, so that the driver has optimal viewing experience.
The invention patent application CN201910368914.6 enables the driver to have the best sightseeing experience by adjusting the states of the vehicle-mounted display at the best screen brightness, the best distance, the best height, the best inclination angle and the best deflection angle, however, the invention patent application CN201910368914.6 also has some problems: the self-adaptive screen adjusting method needs to collect light rays of a driver in the environment, the body posture of the driver and the sight line condition of the driver, and needs to accurately adjust the deflection angle of the screen, so that the position adjusting module and the transmission structure are matched more accurately to accurately adjust the deflection angle of the screen, and the method depends on the adjusting precision of the position adjusting module and the transmission effect of the transmission structure to a certain extent.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a method for adjusting and controlling touch points of a display screen in view of the above prior art.
A second technical problem to be solved by the present invention is to provide a display screen touch point adjustment control system for implementing the display screen touch point adjustment control method in view of the above prior art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a method for adjusting and controlling touch points of a display screen is characterized by comprising the following steps:
step 2, acquiring the inclination angle of the top of the head of the user relative to the preset reference object; the inclination angle of the top of the head of the user relative to the preset reference object is marked as theta;
step 3, acquiring the horizontal distance from a user to a display screen; wherein the horizontal distance between the user and the display screen is marked as l;
step 4, obtaining the thickness of a glass panel of the display screen, and obtaining the offset distance of the sight of the user, which is influenced by the thickness of the glass panel, according to the obtained inclination angle and the thickness of the glass panel; wherein the thickness of the glass panel of the display screen is marked as d, and the offset distance is marked as F (x)△,y△)，x△Is the lateral offset, y, of the user's line of sight as influenced by the thickness of the glass panel△The longitudinal offset at which the user's line of sight is affected by the thickness of the glass panel:
step 5, acquiring the position of a touch point applied on the display screen by a user; wherein the touch points arePosition coordinate mark is A (x)A,yA)；
Step 6, obtaining the adjusted position of the touch point according to the offset distance and the position of the touch point; wherein the position coordinate mark of the adjusted touch point is A' (x)A',yA')；
xA'＝xA+x△，yA'＝yA+y△。
According to the method, the direct distance between the eyes of a user and a preset reference object, the relative inclination angle and the horizontal distance between the user and the display screen are obtained, the offset distance of the sight of the user, which is influenced by the thickness of the glass panel, is obtained through processing according to the obtained inclination angle and the thickness of the glass panel of the display screen, and then the new position of the touch point, which is adjusted through processing based on the obtained offset distance, is obtained through combining the position of the touch point, which is applied to the display screen by the user, so that the adverse effect of the thickness of the glass panel of the display screen on the touch of the user on the display screen is avoided, the problem of touch dislocation caused by the refraction angle of the user due to the thickness of the glass panel of the display screen is solved, and the.
Specifically, in the method for adjusting and controlling the touch point of the display screen, the lateral offset x is△And the longitudinal offset y△Calculated as follows:
wherein l1Is a preset first horizontal distance threshold,/2Is a preset second horizontal distance threshold,/1<l2。
Of course, the first horizontal distance threshold/is preferably set here130cm, the second horizontal distance threshold l2＝70cm。
The display screen in the invention is a capacitive touch screen. Of course, the display screen may be other touch-type display screens as the development of future technologies requires.
In a specific implementation process, the preset reference object in the present invention is an image capturing device capable of capturing the linear distance, the inclination angle and the horizontal distance. The image acquisition device is preferably arranged at the upper end of the central axis of the display screen.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the display screen touch point adjustment control system for realizing the display screen touch point adjustment control method is characterized by comprising the following steps of:
a display screen having a controller;
the image acquisition device is positioned in an area between a user and the display screen, is positioned on the same plane with the display screen, and is in communication connection with the controller of the display screen; wherein, the image acquisition device can acquire the image acquisition device of straight line distance, inclination and horizontal distance.
Specifically, in the display screen touch point adjustment control system of the present invention, the image capturing device is disposed at an upper end of the central axis of the display screen. The display screen is a touch display screen installed on the kitchen electrical equipment.
The display screen in the invention is a capacitive touch screen. Of course, the display screen can be other touch display screens according to the development requirements of future technologies
Compared with the prior art, the invention has the advantages that: according to the method, the direct distance between the eyes of a user and a preset reference object, the relative inclination angle and the horizontal distance between the user and the display screen are obtained, the offset distance of the sight of the user, which is influenced by the thickness of the glass panel, is obtained through processing according to the obtained inclination angle and the thickness of the glass panel of the display screen, and then the new position of the touch point, which is adjusted through processing based on the obtained offset distance, is obtained through combining the position of the touch point, which is applied to the display screen by the user, so that the adverse effect of the thickness of the glass panel of the display screen on the touch of the user on the display screen is avoided, the problem of touch dislocation caused by the refraction angle of the user due to the thickness of the glass panel of the display screen is solved, and the.
Drawings
Fig. 1 is a schematic flow chart illustrating a method for adjusting and controlling a touch point of a display screen according to an embodiment of the present invention;
fig. 2 is a schematic view of a touch point adjustment control system of a display screen according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1, the embodiment provides a method for adjusting and controlling a touch point of a display screen, which includes the following steps:
step 2, acquiring the inclination angle of the top of the head of the user relative to the preset reference object; the inclination angle of the top of the head of the user relative to a preset reference object is marked as theta;
step 3, acquiring the horizontal distance from a user to a display screen; wherein the horizontal distance between the user and the display screen is marked as l;
step 4, obtaining the thickness of the glass panel of the display screen, and obtaining the offset distance of the sight of the user, which is influenced by the thickness of the glass panel, according to the obtained inclination angle and the thickness of the glass panel; wherein the thickness of the glass panel of the display screen is marked as d, and the offset distance is marked as F (x)△,y△)，x△Is the lateral offset, y, of the user's line of sight as influenced by the thickness of the glass panel△Is the longitudinal offset of the user's line of sight as influenced by the thickness of the glass panel, wherein, in this embodiment, the lateral offset x△And a longitudinal offset y△Calculated as follows:
wherein l1Is a preset first horizontal distance threshold,/2Is a preset second horizontal distance threshold,/1<l2，l1＝30cm，l2＝70cm；
Step 5, acquiring the position of a touch point applied on the display screen by a user; wherein, the position coordinate of the touch point is marked as A (x)A,yA)；
Step 6, obtaining the adjusted position of the touch point according to the offset distance and the position of the touch point; wherein the position coordinate mark of the adjusted touch point is A' (x)A',yA')；
xA'＝xA+x△，yA'＝yA+y△。
It should be noted that the image capturing device used in this embodiment can capture a linear distance L, an inclination angle θ and a horizontal distance L, and the image capturing device is disposed at an upper end of a central axis of the display screen.
In this embodiment, by using the image capturing device to obtain the direct distance between the eyes of the user and the image capturing device as the preset reference, the relative tilt angle and the horizontal distance from the user to the display screen, and processing to obtain the offset distance of the user sight line influenced by the thickness of the glass panel according to the obtained inclination angle and the thickness of the glass panel of the display screen, then combining the position of the touch point applied on the display screen by the user to obtain a new position of the touch point after being adjusted based on the obtained offset distance, therefore, adverse effects of the thickness of the glass panel of the display screen on the touch control of the user are avoided, the problem of touch dislocation caused by the refraction angle caused by the thickness of the glass panel of the display screen is solved, the display screen can timely and accurately respond to touch control operation actions applied to the display screen by the user, and adjustment and control of touch control points on the display screen are realized.
Referring to fig. 2, the embodiment further provides a display screen touch point adjustment control system for implementing the display screen touch point adjustment control method, where the display screen may be a touch display screen installed on a kitchen electrical device, for example, a capacitive touch screen. Specifically, the display screen touch point adjustment control system includes:
a display screen 1 having a controller;
the image acquisition device 2 is positioned in an area between the user 3 and the display screen 1, the image acquisition device 2 and the display screen 1 are positioned on the same plane, and the image acquisition device 2 is in communication connection with the controller of the display screen 1; wherein, image acquisition device 2 sets up the upper end position at the axis of display screen 1, and this image acquisition device 2 can gather linear distance L, inclination theta and horizontal distance L. Wherein, the controller of the display screen can obtain the offset distance F (x) of the sight line of the user influenced by the thickness of the glass panel according to the inclined angle theta and the thickness d of the glass panel 10 attached on the display screen△,y△) Then according to the offset distance F (x)△,y△) And the position A (x) of the touch point applied on the display screen by the userA,yA) Obtaining the adjusted position A' (x) of the touch pointA',yA')。
Claims (10)
1. A method for adjusting and controlling touch points of a display screen is characterized by comprising the following steps:
step 1, acquiring a linear distance between the eyes of a user and a preset reference object; the preset reference object is positioned in an area between a user and the display screen, and the preset reference object and the display screen are positioned on the same plane; the straight line distance between the eyes of the user and the preset reference object is marked as L;
step 2, acquiring the inclination angle of the top of the head of the user relative to the preset reference object; the inclination angle of the top of the head of the user relative to the preset reference object is marked as theta;
step 3, acquiring the horizontal distance from a user to a display screen; wherein the horizontal distance between the user and the display screen is marked as l;
step 4, obtaining the thickness of a glass panel of the display screen, and obtaining the offset distance of the sight of the user, which is influenced by the thickness of the glass panel, according to the obtained inclination angle and the thickness of the glass panel; wherein the thickness of the glass panel of the display screen is marked as d, and the offset distance is marked as F (x)△,y△)，x△Is the lateral offset, y, of the user's line of sight as influenced by the thickness of the glass panel△The longitudinal offset at which the user's line of sight is affected by the thickness of the glass panel:
step 5, acquiring the position of a touch point applied on the display screen by a user; wherein the position coordinate mark of the touch point is A (x)A,yA)；
Step 6, obtaining the adjusted position of the touch point according to the offset distance and the position of the touch point; wherein the position coordinate mark of the adjusted touch point is A' (x)A',yA')；
xA'＝xA+x△，yA'＝yA+y△。
2. The method for adjusting and controlling the touch point of the display screen according to claim 1, wherein the lateral offset x is△And the longitudinal offset y△Calculated as follows:
wherein l1Is a preset first horizontal distance threshold,/2Is a preset second horizontal distance threshold,/1<l2。
3. The method for adjusting and controlling the touch point of the display screen according to claim 2, wherein the first horizontal distance threshold l130cm, the second horizontal distance threshold l2＝70cm。
4. The method for adjusting and controlling the touch point of the display screen according to claim 1, wherein the display screen is a capacitive touch screen.
5. The method for adjusting and controlling the touch point of the display screen according to any one of claims 1 to 4, wherein the preset reference object is an image acquisition device capable of acquiring the linear distance, the inclination angle and the horizontal distance.
6. The method for adjusting and controlling the touch point of the display screen according to claim 5, wherein the image acquisition device is arranged at the upper end of the central axis of the display screen.
7. The display screen touch point adjustment control system for realizing the display screen touch point adjustment control method according to any one of claims 1 to 6, is characterized by comprising:
a display screen (1) having a controller;
the image acquisition device (2) is positioned in an area between the user (3) and the display screen (1), the image acquisition device (2) and the display screen (1) are positioned on the same plane, and the image acquisition device (2) is in communication connection with the controller of the display screen (1); wherein the image acquisition device (2) can acquire the linear distance, the inclination angle and the horizontal distance.
8. The system for adjusting and controlling the touch point of the display screen according to claim 7, wherein the image acquisition device (2) is arranged at the upper end of the central axis of the display screen (1).
9. The system for adjusting and controlling the touch point of the display screen according to claim 7 or 8, wherein the display screen (1) is a touch display screen installed on a kitchen electrical device.
10. The system for adjusting and controlling the touch point of the display screen according to claim 7 or 8, wherein the display screen (1) is a capacitive touch screen.
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| CN202010292691.2A CN111562855A (en) | 2020-04-15 | 2020-04-15 | Display screen touch point adjustment control method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111459264A (en) * | 2018-09-18 | 2020-07-28 | 阿里巴巴集团控股有限公司 | 3D object interaction system and method and non-transitory computer readable medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012198173A (en) * | 2011-03-23 | 2012-10-18 | Hioki Ee Corp | Measuring apparatus and scroll display method |
| CN102981662A (en) * | 2011-09-05 | 2013-03-20 | 宏碁股份有限公司 | Hand-hold device and method of adjusting position information |
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Application publication date: 20200821 |
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