CN109933276A - A kind of determination method accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting - Google Patents
A kind of determination method accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting Download PDFInfo
- Publication number
- CN109933276A CN109933276A CN201910156645.7A CN201910156645A CN109933276A CN 109933276 A CN109933276 A CN 109933276A CN 201910156645 A CN201910156645 A CN 201910156645A CN 109933276 A CN109933276 A CN 109933276A
- Authority
- CN
- China
- Prior art keywords
- touch
- hand sleeve
- hand
- sleeve
- accidentally
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
- Position Input By Displaying (AREA)
- Facsimiles In General (AREA)
Abstract
The invention discloses a kind of determination methods accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting, the specific steps are as follows: by analyzing largely true handwriting data, hand sleeve misses touching data and obtains decision model.A kind of determination method accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting of the present invention, it supports to refer to zoom and movement under the writing state of touch screen more, without switch mode, the direction of motion of two touch points is inconsistent when scaling, hand sleeve and true touch-control write picture point and have identical direction and speed from the point of view of dynamic, the area of two touch points is comparable when mobile, gap very little, identification is sold to tuck inside the sleeve and accidentally be touched in the writing process of touch screen, direct decision bits hand sleeve accidentally touches if the touch-control area of currently input touch point is greater than hand sleeve area, avoid generating accidentally stylus mark, interfere normal person's handwriting, it tucks inside the sleeve accidentally to touch in decision process in hand and does not influence current writing speed, bring better prospect of the application.
Description
Technical field
The present invention relates to the fields, in particular to one such as image procossing, handwriting recognition, electronic whiteboard and education electronic information
Kind misses the determination method of touching based on hand sleeve in large-size screen monitors electronic whiteboard handwriting is touched.
Background technique
It is all 10 touch-controls that current hand-written touch large-size screen monitors are most of, and teacher needs in electronic whiteboard such as under scene of imparting knowledge to students
In largely write writing on the blackboard, be particularly susceptible triggering hand sleeve accidentally touch because current touch large-size screen monitors are largely all based on infrared induction system
System, as long as any object will be identified as newly-increased contact into induction region to generate stroke, such accidentally touching can be interfered
To the normal writing of user；
The electronic whiteboard that major part touches large-size screen monitors currently on the market does not have opponent's sleeve, and accidentally touching is handled, many manufacturers' supports
Multiple spot is write and depicts person's handwriting to directly result in hand sleeve mistake contact and write, and such user experience is very bad, and there are also part factories
The electronic whiteboard of quotient is only supported to write in single-point, and movement is only zoomed in and out under non-writing mode, is equally to sacrifice user's body
The property tested and got around hand sleeve accidentally touching this problem, for this purpose, it is proposed that a kind of based on touching in large-size screen monitors electronic whiteboard handwriting
The determination method that hand sleeve accidentally touches.
Summary of the invention
Touching is missed based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting the main purpose of the present invention is to provide a kind of
Determination method can effectively solve the problems in background technique.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of determination method accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting, the specific steps are as follows:
(1) by a large amount of true handwriting data of analysis, accidentally touching data obtain decision model to hand sleeve: system first passes through in advance
Many experiments obtain characteristic of the user under hand-written touch large-size screen monitors under true hand-written scene, obtain Universal Die by analysis
Type especially analyzes the data characteristics that hand sleeve accidentally touches, these characteristic values are used for hand sleeve and are missed in the judgement of touching；
(2) user's stroke writing in touch screen inputs touch point information；
(3) enter delay gesture determination module, determine gesture-type, including scaling, movement, hand sleeve, singly refer to writing；
(4) determine successfully, according to result feeding execution module is determined, carry out corresponding operating.
Preferably, accidentally touching data judging is as follows for the hand sleeve that many experiments receipt obtains in the step (1):
(1) area of hand sleeve and the area of finger writing are that there is a big difference, and the area of hand sleeve is finger writing area
3-4 times；
(2) finger is first fallen and hand sleeve is then fallen, and it is poor to have the regular hour；
(3) total touch point is all greater than 2 when there is the case where hand sleeve accidentally touches.
Preferably, touch screen is one outline border of installation before display in the step (2), and design has electricity in outline border
Road plate arranges transmitting infrared tube with reception infrared tube on four side of touch screen, and one-to-one correspondence forms the infrared ray matrix intersected anyhow.
When there is touch, finger or other objects will block the vertical and horizontal infrared ray by the position, and touch screen is sent out when scanning
Now and after having firmly believed that an infrared ray is obstructed, red light is bright, indicates that infrared ray is obstructed, and may have touch, while changing at once another
One coordinate scans again, if finding that an other axis also has an infrared ray to be obstructed again, amber light is bright, indicates that discovery touches, and by two
The infrared tube position of a discovery barrier is reported to host, judges position and touch surface of the touch point in screen by calculating
Product.
Infrared touch large-size screen monitors working principle is that infrared touch panel is densely covered X, the infrared ray square in Y-direction before being close to screen
Battle array, by ceaselessly scanning the touch for whether thering is infrared ray to be blocked by the body detection and positioning user.
Preferably, delay gesture determination module was used within one section of delay time in the step (3), collected Current electronic
All touch point information in blank, lasting determine, finally obtains judgement conclusion.
Preferably, delay gesture determination module contains many empirical parameters in the step (3), these parameter values are logical
It crosses what a large amount of true writing data analyses obtained, there is versatility and representativeness.
Preferably, it needs to accumulate data delay decision when singly referring to writing in the step (3), is moved within the delay decision time
Dynamic distance and mobile time reach decision threshold.
Preferably, in the step (3) when scaling the direction of motion of two touch points be it is inconsistent, dynamically from the point of view of hand
Sleeve and true touch-control write picture point and have identical direction and speed.
Preferably, the area of two touch points is comparable, gap very little when moving in the step (3), dynamic next
See that hand sleeve and true touch-control write picture point and have identical direction and speed, but the area of touch point is different.
Compared with prior art, the invention has the following beneficial effects:
1, it supports to refer to zoom and movement under the writing state of touch screen, without switch mode, two when scaling more
The direction of motion of touch point be it is inconsistent, dynamically from the point of view of hand sleeve and true touch-control write picture point and have identical direction and speed
Degree, the area of two touch points is comparable, gap very little when mobile, dynamically from the point of view of hand sleeve and true touch-control write picture point and have
The area of identical direction and speed but touch point is different；
2, identify that sleeve of selling accidentally touches in the writing process of touch screen, if the touch-control area for currently inputting touch point is greater than
Hand is tucked inside the sleeve, and then direct decision bits hand sleeve misses touching to area, avoids generating accidentally stylus mark, interferes normal person's handwriting, tucks inside the sleeve to miss in hand and touch decision process
In do not influence current writing speed.
Detailed description of the invention
Fig. 1 is a kind of method for the determination method that touching is missed based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting of the present invention
Flow chart；
Fig. 2 is that the present invention is a kind of to be shown based on the structure for touching the touch screen that hand sleeve misses touching in large-size screen monitors electronic whiteboard handwriting
It is intended to.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1
(1) by a large amount of true handwriting data of analysis, accidentally touching data obtain decision model to hand sleeve: system first passes through in advance
Many experiments obtain characteristic of the user under hand-written touch large-size screen monitors under true hand-written scene, obtain Universal Die by analysis
Type especially analyzes the data characteristics that hand sleeve accidentally touches, these characteristic values are used for hand sleeve and are missed in the judgement of touching；Many experiments receipt
Accidentally touching data judging is as follows for the hand sleeve of acquisition:
The area of hand sleeve and the area of finger writing are that there is a big difference, and the area of hand sleeve is the 3- of finger writing area
4 times；
Finger is first fallen and hand sleeve is then fallen, and it is poor to have the regular hour；
Total touch point is all greater than 2 when there is the case where hand sleeve accidentally touches.
(2) user's stroke writing in touch screen inputs touch point information, and touch screen is that one is installed before display
A outline border, design has circuit board in outline border, arranges on four side of touch screen and transmitting infrared tube and receives infrared tube, corresponds and formed
Anyhow the infrared ray matrix intersected.
When there is touch, finger or other objects will block the vertical and horizontal infrared ray by the position, and touch screen is sent out when scanning
Now and after having firmly believed that an infrared ray is obstructed, red light is bright, indicates that infrared ray is obstructed, and may have touch, while changing at once another
One coordinate scans again, if finding that an other axis also has an infrared ray to be obstructed again, amber light is bright, indicates that discovery touches, and by two
The infrared tube position of a discovery barrier is reported to host, judges position and touch surface of the touch point in screen by calculating
Product.
Infrared touch large-size screen monitors working principle is that infrared touch panel is densely covered X, the infrared ray square in Y-direction before being close to screen
Battle array, by ceaselessly scanning the touch for whether thering is infrared ray to be blocked by the body detection and positioning user；
(3) enter delay gesture determination module, determine gesture-type, including scaling, movement, hand sleeve, singly refer to writing, prolong
Slow gesture determination module was used within one section of delay time, collected all touch point information in Current electronic blank, lasting
Determined, finally obtain judgement conclusion, delay gesture determination module contains many empirical parameters, these parameter values are to pass through
What a large amount of true writing data analyses obtained, there is versatility and representativeness；
It needs to accumulate data delay decision when singly referring to writing, the distance moved within the delay decision time and mobile time
Reach decision threshold；
The direction of motion of two touch points is inconsistent when scaling, dynamically from the point of view of hand sleeve and true touch-control write picture point tool
Standby identical direction and speed；
The area of two touch points is comparable, gap very little when mobile, dynamically from the point of view of hand sleeve and true touch-control write picture
Point has identical direction and speed, but the area of touch point is different；
(4) determine successfully, according to result feeding execution module is determined, carry out corresponding operating.
Embodiment 2
Direct decision bits hand sleeve accidentally touches if the touch-control area of currently input touch point is greater than hand sleeve area；
Embodiment 3
If current touch points for 1 namely only one finger writing when, need to accumulate data delay decision,
It is judged to singly referring to writing if mobile distance and mobile time reach decision threshold within the delay decision time；
Embodiment 4
If current touch point has identical direction and speed but the area of touch point is different, the face of two touch points
Product be it is comparable, gap very little is then judged to moving；
Embodiment 5
If current touch points are 2, finding storage point area to be less than the point of hand sleeve decision threshold is touch point, if two
The threshold value that a area is all larger than then continues to collect data delay decision；Above step is repeated, until determining successfully, release is prolonged later
The data point accumulated during determining late；Because the frequency that operating system acquires data point is about 15ms, the hangover is sentenced
Temporarily Closed UI flush mechanism is needed during the data point accumulated between periodically, prevents too fast refreshing from causing cpu surging and causing
Write picture Caton.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of determination method accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting, it is characterised in that: specific to walk
It is rapid as follows:
(1) by a large amount of true handwriting data of analysis, accidentally touching data obtain decision model to hand sleeve: system first passes through largely in advance
Experiment obtains characteristic of the user under hand-written touch large-size screen monitors under true hand-written scene, obtains universal model by analysis, especially
It analyzes the data characteristics that hand sleeve accidentally touches, these characteristic values are used for hand sleeve and are missed in the judgement of touching；
(2) user's stroke writing in touch screen inputs touch point information；
(3) enter delay gesture determination module, determine gesture-type, including scaling, movement, hand sleeve, singly refer to writing；
(4) determine successfully, according to result feeding execution module is determined, carry out corresponding operating.
2. a kind of judgement side accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting according to claim 1
Method, it is characterised in that: accidentally touching data judging is as follows for the hand sleeve that many experiments receipt obtains in the step (1):
(1) area of hand sleeve and the area of finger writing are that there is a big difference, and the area of hand sleeve is the 3-4 of finger writing area
Times；
(2) finger is first fallen and hand sleeve is then fallen, and it is poor to have the regular hour；
(3) total touch point is all greater than 2 when there is the case where hand sleeve accidentally touches.
3. a kind of judgement side accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting according to claim 1
Method, it is characterised in that: touch screen is one outline border of installation before display in the step (2), and design has electricity in outline border
Road plate arranges transmitting infrared tube with reception infrared tube on four side of touch screen, and one-to-one correspondence forms the infrared ray matrix intersected anyhow.
When there is touch, finger or other objects will block the vertical and horizontal infrared ray by the position, find simultaneously when touch screen scans
After having firmly believed that an infrared ray is obstructed, red light is bright, indicates that infrared ray is obstructed, and may have touch, while changing to another seat at once
Mark scans again, if finding that an other axis also has an infrared ray to be obstructed again, amber light is bright, indicates that discovery touches, and two are sent out
The infrared tube position now obstructed is reported to host, is judged touch point in the position of screen by calculating and is touched area.
Infrared touch large-size screen monitors working principle is that infrared touch panel is densely covered X, the infrared ray matrix in Y-direction before being close to screen,
By ceaselessly scanning the touch for whether thering is infrared ray to be blocked by the body detection and positioning user.
4. a kind of judgement side accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting according to claim 1
Method, it is characterised in that: delay gesture determination module was used within one section of delay time in the step (3), collected Current electronic
All touch point information in blank, lasting determine, finally obtains judgement conclusion.
5. a kind of judgement side accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting according to claim 1
Method, it is characterised in that: delay gesture determination module contains many empirical parameters in the step (3), these parameter values are logical
It crosses what a large amount of true writing data analyses obtained, there is versatility and representativeness.
6. a kind of judgement side accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting according to claim 5
Method, it is characterised in that: need to accumulate data delay decision when singly referring to writing in the step (3), moved within the delay decision time
Dynamic distance and mobile time reach decision threshold.
7. a kind of judgement side accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting according to claim 5
Method, it is characterised in that: in the step (3) when scaling the direction of motion of two touch points be it is inconsistent, dynamically from the point of view of hand
Sleeve and true touch-control write picture point and have identical direction and speed.
8. a kind of judgement accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting according to claim 1 or 5
Method, it is characterised in that: the area of two touch points is comparable, gap very little when moving in the step (3), dynamic next
See that hand sleeve and true touch-control write picture point and have identical direction and speed, but the area of touch point is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156645.7A CN109933276B (en) | 2019-03-01 | 2019-03-01 | Method for judging false hand-sleeve touch in handwriting of large-screen electronic whiteboard based on touch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156645.7A CN109933276B (en) | 2019-03-01 | 2019-03-01 | Method for judging false hand-sleeve touch in handwriting of large-screen electronic whiteboard based on touch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109933276A true CN109933276A (en) | 2019-06-25 |
| CN109933276B CN109933276B (en) | 2022-04-22 |
Family
ID=66986315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910156645.7A Withdrawn - After Issue CN109933276B (en) | 2019-03-01 | 2019-03-01 | Method for judging false hand-sleeve touch in handwriting of large-screen electronic whiteboard based on touch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109933276B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111488076A (en) * | 2020-04-03 | 2020-08-04 | 合肥讯飞读写科技有限公司 | False touch prevention method, device, equipment and storage medium |
| CN115220638A (en) * | 2022-06-29 | 2022-10-21 | 长沙朗源电子科技有限公司 | Method, device, equipment and storage medium for separating hand and pen of electronic whiteboard |
| WO2023056839A1 (en) * | 2021-10-09 | 2023-04-13 | 华为技术有限公司 | Method and apparatus for displaying operation track |
| CN117032500A (en) * | 2023-10-08 | 2023-11-10 | 广州众远智慧科技有限公司 | Touch recognition method and device for infrared touch equipment, storage medium and equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012225980A (en) * | 2011-04-15 | 2012-11-15 | Benesse Corporation | Character learning machine |
| CN103049198A (en) * | 2012-12-14 | 2013-04-17 | 鸿富锦精密工业（深圳）有限公司 | Handwriting input recognition system and method |
| CN104182068A (en) * | 2013-05-24 | 2014-12-03 | 宏碁股份有限公司 | Error touch identifying method and device |
| CN105573658A (en) * | 2016-02-01 | 2016-05-11 | 西安睿尚信息科技有限公司 | Method and system for switching input, page moving and page scaling on basis of handwriting |
| CN106506825A (en) * | 2016-10-26 | 2017-03-15 | 广东欧珀移动通信有限公司 | A kind of control method of touch-screen, device and mobile terminal |
-
2019
- 2019-03-01 CN CN201910156645.7A patent/CN109933276B/en not_active Withdrawn - After Issue
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012225980A (en) * | 2011-04-15 | 2012-11-15 | Benesse Corporation | Character learning machine |
| CN103049198A (en) * | 2012-12-14 | 2013-04-17 | 鸿富锦精密工业（深圳）有限公司 | Handwriting input recognition system and method |
| CN104182068A (en) * | 2013-05-24 | 2014-12-03 | 宏碁股份有限公司 | Error touch identifying method and device |
| CN105573658A (en) * | 2016-02-01 | 2016-05-11 | 西安睿尚信息科技有限公司 | Method and system for switching input, page moving and page scaling on basis of handwriting |
| CN106506825A (en) * | 2016-10-26 | 2017-03-15 | 广东欧珀移动通信有限公司 | A kind of control method of touch-screen, device and mobile terminal |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111488076A (en) * | 2020-04-03 | 2020-08-04 | 合肥讯飞读写科技有限公司 | False touch prevention method, device, equipment and storage medium |
| CN111488076B (en) * | 2020-04-03 | 2024-06-04 | 合肥讯飞读写科技有限公司 | False touch prevention method, device, equipment and storage medium |
| WO2023056839A1 (en) * | 2021-10-09 | 2023-04-13 | 华为技术有限公司 | Method and apparatus for displaying operation track |
| CN115220638A (en) * | 2022-06-29 | 2022-10-21 | 长沙朗源电子科技有限公司 | Method, device, equipment and storage medium for separating hand and pen of electronic whiteboard |
| CN117032500A (en) * | 2023-10-08 | 2023-11-10 | 广州众远智慧科技有限公司 | Touch recognition method and device for infrared touch equipment, storage medium and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109933276B (en) | 2022-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109933276A (en) | A kind of determination method accidentally touched based on hand sleeve in touch large-size screen monitors electronic whiteboard handwriting | |
| Kjeldsen et al. | Toward the use of gesture in traditional user interfaces | |
| CN100594475C (en) | Projection type capacitance touch control device and method for recognizing different contact position | |
| US7411575B2 (en) | Gesture recognition method and touch system incorporating the same | |
| CN103294401A (en) | Icon processing method and device for electronic instrument with touch screen | |
| CN103226411B (en) | A kind of interactive projection system and touch-control exchange method thereof | |
| US20120326995A1 (en) | Virtual touch panel system and interactive mode auto-switching method | |
| CN102419663B (en) | A kind of infrared touch screen multi-point recognition method and system | |
| TWI581171B (en) | Method and device for identifying multipoint gestures | |
| US20140160054A1 (en) | Anchor-drag touch symbol recognition | |
| CN102768595B (en) | A kind of method and device identifying touch control operation instruction on touch-screen | |
| CN103902105B (en) | Touch recognition method and touch recognition system for infrared touch screen | |
| CN103389876A (en) | Function switching method based on touch display equipment and touch display equipment | |
| CN102109927A (en) | Infrared touch frame control method and system and touch screen equipment | |
| WO2013016995A1 (en) | Multipoint recognition method and system of infrared touch screen | |
| CN106598351A (en) | Touch point processing method and equipment | |
| CN103123555A (en) | Method and device for image identification and based on infrared touch screen and infrared touch screen | |
| CN111488897B (en) | Method and device for detecting and identifying touch object | |
| CN106843599A (en) | A kind of infrared touch identifying system | |
| CN113126795A (en) | Touch identification method of touch display device and related equipment | |
| CN102253747B (en) | Method for identifying surface touch by touch screen | |
| CN110597405A (en) | Touch control identification method | |
| CN104123026A (en) | Method for recognizing motion direction of touch track on touch screen | |
| CN105528059B (en) | A kind of gesture operation in three-dimensional space method and system | |
| CN202404557U (en) | Virtual touch screen system based on image processing technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210630 Address after: 230088 501, C1 building, Huayi Science Park, No.71, Tianda Road, high tech Zone, Hefei City, Anhui Province Applicant after: Mukun Technology Co.,Ltd. Address before: 230000 building 501, C1, Huayi Science Park, 71 Tianda Road, Shushan District, Hefei City, Anhui Province Applicant before: ANHUI DAITE EDUCATION TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20220422 Effective date of abandoning: 20230821 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20220422 Effective date of abandoning: 20230821 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |