CN105975091A - Virtual keyboard human-computer interaction technology based on inertial sensor - Google Patents
Virtual keyboard human-computer interaction technology based on inertial sensor Download PDFInfo
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- CN105975091A CN105975091A CN201610526346.4A CN201610526346A CN105975091A CN 105975091 A CN105975091 A CN 105975091A CN 201610526346 A CN201610526346 A CN 201610526346A CN 105975091 A CN105975091 A CN 105975091A
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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
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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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
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/014—Hand-worn input/output arrangements, e.g. data gloves
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- General Engineering & Computer Science (AREA)
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- User Interface Of Digital Computer (AREA)
Abstract
The invention provides a virtual keyboard human-computer interaction technology based on an inertial sensor. An intelligent wearable device periodically sends gyroscope data and acceleration sensor data to a controlled object; after the controlled object receives the data, text inputting of a keyboard is completed through a knocking time recognition module, a motion pattern recognition module and a knocked key recognition module. The knocking time recognition module is used for judging the knocking time; the motion pattern recognition module is used for setting a mobile mark value and determining a motion pattern; the knocked key recognition module is used for judging knocked keys and generating corresponding computer inputting command content to control computer keyboard text inputting according to the mobile mark value of the knocking time. Compared with a traditional man-computer interaction technology of a keyboard, a virtual laser projection keyboard, a touch screen virtual keyboard and the like, the human-computer interaction technology has the advantages that the inputting mode is freer and more flexible, and the human-computer interaction experience of the virtual keyboard is improved.
Description
Technical field
The present invention relates to human-computer interaction technique field, inertial sensor technical field and wireless sensor network technology field.
Background technology
So-called man-machine interaction (Human-Computer Interaction, HCI), refers to about design, evaluates and realize people
The interactive computer system used, and the subject studied is carried out around relevant principal phenomena.It with cognitive psychology, man-machine
Engineering, multimedia technology, virtual reality technology etc. are closely related.Wherein, cognitive psychology and ergonomics are man-machine friendships
The theoretical basis of technology mutually, and multimedia technology, virtual reality technology and man-machine interaction intersect and permeate.Man-machine friendship
Technology mainly studies the information exchange between people and computer mutually, and it mainly includes that people arrives computer and the computer information to people
Exchange two parts.
In existing man-machine interaction method, text entry method mainly includes that conventional keyboard input, virtual laser projected keyboard are defeated
Enter, touch screen input, Wireless Keyboard input, Intelligent worn device input etc..
1. conventional keyboard input
What people was initial with machine originates from typewriter alternately, and keyboard the earliest is exactly to apply at the most overripened typewriter of these technology
On.Within 1868, American Valentin Etistov Larsen Xiao Ersi obtains typewriter model patent and obtains power of management operation, design
Go out " QWERTY " keyboard used till today.Although computer has been brought into the character user interface epoch by the appearance of keyboard, but pass
System keyboard is the most bulky, inconvenient to carry, it is impossible to meet the mobile terminal demand to input equipment.
2. virtual laser projected keyboard input
Along with the development of computer technology, the input mode of traditional mechanical keyboard can not meet the demand of user, virtual sharp
Optical projection keyboard is as a kind of new text input mode, mainly by keyboard image projection module, infrared image acquisition module and red
Outer laser orientation system three part is constituted, and can go out the wheel of QWERTY keyboard in any surface projection with built-in red laser emitter
Exterior feature, is then followed the tracks of the action of finger, determines key commands, complete the input of text, although functionally by infrared technology
With conventional keyboard is consistent, but this keyboard needs a specific plane as projection carrying medium, is easily subject to external interference.
3. touch screen input
The interactive mode of keyboard, from the PC epoch continue up to Internet era, there is no the biggest change, until the nineties in 20th century
Just, the appearance of touch screen technology, bring a new round to field of human-computer interaction and change, revolutionize the life style of people.
At present, the touch screen kind on market mainly includes following several: resistance-type, condenser type, In-cell structural formula and On-cell
Structural formula etc., and different types of touch screen has different transmittance characteristics, touches resolution character and durability characteristics.
Touch screen technology is widely used on smart mobile phone (such as iPhone) and panel computer (such as Surface Pro) at present,
Forming a dummy keyboard during use on the touchscreen, user only need to click above, just can complete the input of text, uses
The experience at family is more brisk, smooth, accurate.Desktop computer, owing to being not equipped with touch screen, is also using traditional keyboard to complete literary composition
This input, input mode is more single.
4. Wireless Keyboard input
Development along with computer networking technology, it is possible to use technology of wireless sensing network, departs from keyboard with computer and comes, carry
The convenient usability of high computer.Such as, the k230 Wireless Keyboard of Logitech Company, it uses 2.4Ghz Radio Transmission Technology,
Although not having any difference with common wireline keyboard in terms of using impression, the phenomenon of any delay is not had to occur, but the most logical
Letter scope is restricted；Remote Mouse keyboard emulation technology, becomes smart mobile phone or panel computer into Wireless Keyboard, far
Process control PC completes text input, and shortcoming is to be limited to the dummy keyboard input of touch screen.
5. Intelligent worn device input
Within 2015, a team from Texas, USA Austin is proposed the wearable device of a entitled Gest.This
Money equipment is equipped with accelerator, gyroscope and magnetometer, and these sensors can be accurately positioned the position of finger, and is led to
Cross Bluetooth technology and be transferred to computer or mobile device, bring new man-machine interaction experience.During Gest simulating keyboard, finger
Can not move by left and right four direction forwards, backwards, can only tap in original place.
Summary of the invention
In order to solve the bulky not Portable belt of prior art (such as conventional keyboard), need a specific plane as projection matchmaker
It is situated between (such as virtual laser projected keyboard), is confined to input (the such as Remote Mouse keyboard control of remote touch screen dummy keyboard
System), can not move forward and backward to the left and right can only original place tap input (such as Gest Keyboard Control) problem, the present invention proposes one
Plant dummy keyboard human-computer interaction technology based on inertial sensor.
The problem existed for prior art, the technical scheme that the present invention provides is as follows:
Intelligent worn device (being integrated with acceleration transducer and gyroscope) periodically sends sensing data to control object,
Described data include Z-direction gyro data, X-direction acceleration transducer data and Y direction acceleration transducer number
According to, after control object receives data, by tapping moment identification module, recognizing model of movement module and key tap identification mould
Block realizes the input of button.The concrete technical scheme that described 3 modules use is as follows.
1. tap moment identification module
After control object receives the gyro data that Intelligent worn device transmission comes, first carry out Kalman filtering process, eliminate
Noise, smooth gyro data so that after the feature of Wave crest and wave trough becomes apparent from, then carry out real-time valley detection and (detect former
Reason for minimal principle, ignores the trough that absolute value is less during detection), and judge that moment that trough occurs is as the percussion moment.
2. recognizing model of movement module
After control object receives the acceleration information that Intelligent worn device transmission comes, carry out paired Wave crest and wave trough detection (inspection respectively
Surveying principle is maximum minimal principle, ignores the Wave crest and wave trough that absolute value is less during detection), and the Wave crest and wave trough that will detect
It is added sequentially in corresponding buffer.Described buffer includes two, stores the acceleration transducer ripple of two degree of freedom respectively
Spike paddy data.
If the Wave crest and wave trough buffer of X/Y direction of principal axis acceleration transducer data has two caching elements, then judge,
If the two element is crest and trough respectively, the right side/reach value of statistical indicant is set to 1, it is determined that to the right/front movement；If these are two years old
Individual element is trough and crest respectively, then a left side/rear value of statistical indicant that moves is set to 1, it is determined that to the left/move afterwards.Proceed detection,
If right/reach value of statistical indicant is 1 and trough and crest detected, then the right side/reach value of statistical indicant is set to 0, it is determined that to the right/reach
It is returned to initial position after Dong, empties buffer；If left/rear shifting value of statistical indicant is 1 and crest and trough is detected, then by a left side
/ rear the value of statistical indicant that moves is set to 0, it is determined that is returned to initial position after to the left/rear movement, empties buffer.
Described motor pattern include static, move to a direction, after a direction moves, be returned to initial position, described certain
One direction includes to the right, to the left, forwardly and rearwardly.The differentiation original place that is disposed to of described Mobile sign value taps or mobile
Tap.Described mobile percussion includes tapping to the right, taps to the left, taps forward and tap backward.
3. key tap identification module
Tapping the moment, there are five kinds of situations in Mobile sign value.The first situation is that to move to right value of statistical indicant be 1, it is determined that for striking to the right
Hit button；The second situation is that to move to left value of statistical indicant be 1, it is determined that for key tap to the left；The third situation is front mobile value of statistical indicant
It is 1, it is determined that for key tap forward；4th kind of situation be rear Mobile sign value be 1, then be judged to key tap backward；5th
The situation of kind is that 4 Mobile sign values are 0, it is determined that for original place key tap；After having judged key tap, generate corresponding
Computer input instructs, and controls input through keyboard.
The Intelligent worn device that described technical scheme comprises can recognize that 5 buttons, and the Intelligent worn device described no less than 6 is i.e.
Recognizable 26 buttons, can realize full English alphabet and cover input.Use this technical scheme, with conventional keyboard, virtual swash
Light touch keyboard is compared with human-computer interaction technologies such as touch screen dummy keyboards, and input mode more freedom and flexibility improve keyboard people
The experience that machine is mutual.
Accompanying drawing explanation
A kind of dummy keyboard human-computer interaction technology schematic diagram based on inertial sensor of Fig. 1
Fig. 2 taps moment identification module schematic diagram
Fig. 3 X-direction recognizing model of movement module diagram
Fig. 4 key tap identification module schematic diagram
Gyro data schematic diagram after Fig. 5 Kalman filtering
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is described in further detail.Such as Fig. 1, Intelligent worn device cycle
Property ground send gyro data and acceleration transducer data to control object, control object receives Intelligent worn device and sends out
After the acceleration information sent here, realize input through keyboard by 3 modules.3 described modules such as Fig. 2, Fig. 3 and Fig. 4
Shown in, specific implementation process is as follows.
1. tap moment identification module to implement
After control object receives the gyro data that Intelligent worn device transmission comes, first carry out Kalman filtering process, with laggard
The real-time valley detection of row, and judge that moment that trough occurs is as the percussion moment.
2. recognizing model of movement module is implemented
After control object receives the acceleration information that Intelligent worn device transmission comes, carry out paired Wave crest and wave trough detection respectively, and
The Wave crest and wave trough detected is added sequentially in corresponding buffer.
As a example by X-direction acceleration transducer, if be detected that buffer has two caching elements, then judge,
If the two element is crest and trough respectively, value of statistical indicant will be moved to right and be set to 1, it is determined that dextrad will move；If the two is first
Element is trough and crest respectively, will move to left value of statistical indicant and be set to 1, it is determined that left-hand moves.Proceed detection, if moving to right mark
Will value is 1, and trough and crest detected, then will move to right value of statistical indicant and be set to 0, it is determined that dextrad is returned to initial bit after moving
Put, empty buffer；If moving to left value of statistical indicant is 1, and crest and trough detected, then will move to left value of statistical indicant and be set to 0,
Judge that left-hand is returned to initial position after moving, empty buffer.
3. key tap identification module
Tapping the moment, there are five kinds of situations according to Mobile sign value and carry out key tap identification.The first situation is to move to right mark
Value is 1, it is determined that for key tap to the right；The second situation is that to move to left value of statistical indicant be 1, it is determined that for key tap to the left；The third
Situation be front mobile value of statistical indicant be 1, it is determined that for key tap forward；4th kind of situation be rear Mobile sign value be 1, then be judged to
Key tap backward；5th kind of situation is that 4 Mobile sign values are 0, it is determined that for original place key tap；Judge that percussion is pressed
After key, generate the instruction of corresponding computer input, control input through keyboard.
Below by specific embodiment, i.e. simulation taps f key, g key, d key, r key and the embodiment of v key, to the present invention
Technical scheme and interaction effect be described: described embodiment use Intelligent worn device be integrated with 3-axis acceleration sensor
Module and three-axis gyroscope module, its sample frequency is 50Hz.Intelligent worn device sent one every 0.02 second to control object
Secondary X-axis velocity sensor data, Y-axis velocity sensor data and Z axis gyro data.After control object receives data,
Input through keyboard is realized by tapping moment identification module, recognizing model of movement module and key tap identification module.Kalman filtering
After gyro data as it is shown in figure 5, demonstrate obvious trough feature；The Mobile sign value such as form 1 that the percussion moment is corresponding
Shown in, result display Intelligent worn device controls keyboard exactly and have input 4 r, 4 v, 4 f, 4 g and 4 d.
Form 1
Claims (5)
1. a dummy keyboard human-computer interaction technology based on inertial sensor, it is characterised in that:
S1: tap the identification in moment；
The identification of S2: motor pattern；
S3: the identification of struck button.
A kind of dummy keyboard human-computer interaction technology based on inertial sensor, described step S1 is entered
One step includes: after control object receives the gyro data that Intelligent worn device transmission comes, first carry out Kalman filtering process,
Then carry out real-time valley detection (Cleaning Principle is minimal principle, ignores the trough that absolute value is less during detection), and sentence
The moment that standing wave paddy occurs is for tapping the moment.
A kind of dummy keyboard human-computer interaction technology based on inertial sensor, described step S2 is entered
One step includes: after control object receives the acceleration transducer data that Intelligent worn device transmission comes, carry out paired crest respectively
Valley detection (Cleaning Principle is maximum minimal principle, ignores the Wave crest and wave trough that absolute value is less during detection), and will detection
To Wave crest and wave trough be added sequentially in corresponding buffer.
A kind of dummy keyboard human-computer interaction technology based on inertial sensor, described step S2 is entered
One step includes:
If the Wave crest and wave trough buffer of X/Y direction of principal axis acceleration transducer data has two caching elements, then judge,
If the two element is crest and trough respectively, the right side/reach value of statistical indicant is set to 1, it is determined that to the right/front movement；If these are two years old
Individual element is trough and crest respectively, then a left side/rear value of statistical indicant that moves is set to 1, it is determined that to the left/move afterwards.Proceed detection,
If right/reach value of statistical indicant is 1 and trough and crest detected, then the right side/reach value of statistical indicant is set to 0, it is determined that to the right/reach
It is returned to initial position after Dong, empties buffer；If left/rear shifting value of statistical indicant is 1 and crest and trough is detected, then by a left side
/ rear the value of statistical indicant that moves is set to 0, it is determined that is returned to initial position after to the left/rear movement, empties buffer.
A kind of dummy keyboard human-computer interaction technology based on inertial sensor, described step S3 is entered
One step includes:
Tap the moment, judge the button tapped according to Mobile sign value.If moving to right value of statistical indicant is 1, then it is judged to strike to the right
Hit the button of correspondence；If moving to left value of statistical indicant is 1, then it is judged to tap to the left the button of correspondence；If front mobile value of statistical indicant is 1,
Then it is judged to tap forward the button of correspondence；If rear Mobile sign value is 1, then it is judged to tap backward the button of correspondence；As
Really 4 Mobile sign values are 0, then be judged to that original place taps corresponding button.After judging the good button tapped, generate corresponding
Computer input command content control input through keyboard.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873762A (en) * | 2016-12-23 | 2017-06-20 | 南京理工大学 | A kind of man-machine interaction input technology based on inertial sensor |
| CN107336233A (en) * | 2017-06-02 | 2017-11-10 | 南京邮电大学 | Based on the dynamic robot people's actual situation intersection control routine caught of inertia |
| CN107465814A (en) * | 2017-07-17 | 2017-12-12 | 长沙学院 | A kind of user's input recognition method based on mobile phone inertial sensor |
| CN107562205A (en) * | 2017-09-15 | 2018-01-09 | 上海展扬通信技术有限公司 | A kind of projected keyboard of intelligent terminal and the operating method of the projected keyboard |
| CN109814707A (en) * | 2018-12-19 | 2019-05-28 | 东北大学秦皇岛分校 | A kind of virtual input method and system based on intelligent finger ring |
| CN111880655A (en) * | 2020-07-28 | 2020-11-03 | 拉扎斯网络科技（上海）有限公司 | Detection device and method for positioning knocking area |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005088522A1 (en) * | 2004-03-11 | 2005-09-22 | Michael Goodgoll | System and method for text entry |
| CN101086867A (en) * | 2006-06-05 | 2007-12-12 | 联发科技股份有限公司 | Apparatus and method of detecting a target peak value and a target bottom value of an input signal |
| CN101498747A (en) * | 2008-12-25 | 2009-08-05 | 四川登巅微电子有限公司 | Wave crest and wave trough detection method and circuit |
| US20100103104A1 (en) * | 2008-10-29 | 2010-04-29 | Electronics And Telecommunications Research Institute | Apparatus for user interface based on wearable computing environment and method thereof |
| CN102063183A (en) * | 2011-02-12 | 2011-05-18 | 深圳市亿思达显示科技有限公司 | Virtual input device of grove type |
| US20120319940A1 (en) * | 2011-06-16 | 2012-12-20 | Daniel Bress | Wearable Digital Input Device for Multipoint Free Space Data Collection and Analysis |
| CN104200234A (en) * | 2014-07-11 | 2014-12-10 | 杭州微纳科技有限公司 | Human body action modeling and recognizing method |
| CN104615248A (en) * | 2015-02-10 | 2015-05-13 | 北京智谷睿拓技术服务有限公司 | Method and device for determining input information |
| CN104834372A (en) * | 2015-04-15 | 2015-08-12 | 程锦发 | Multifunctional wearable human-computer interaction input equipment based on MEMS (Micro Electro Mechanical Systems) acceleration sensor |
| CN105511615A (en) * | 2015-12-04 | 2016-04-20 | 深圳大学 | Wearable text input system and method based on EMG |
-
2016
- 2016-07-05 CN CN201610526346.4A patent/CN105975091A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005088522A1 (en) * | 2004-03-11 | 2005-09-22 | Michael Goodgoll | System and method for text entry |
| CN101086867A (en) * | 2006-06-05 | 2007-12-12 | 联发科技股份有限公司 | Apparatus and method of detecting a target peak value and a target bottom value of an input signal |
| US20100103104A1 (en) * | 2008-10-29 | 2010-04-29 | Electronics And Telecommunications Research Institute | Apparatus for user interface based on wearable computing environment and method thereof |
| CN101498747A (en) * | 2008-12-25 | 2009-08-05 | 四川登巅微电子有限公司 | Wave crest and wave trough detection method and circuit |
| CN102063183A (en) * | 2011-02-12 | 2011-05-18 | 深圳市亿思达显示科技有限公司 | Virtual input device of grove type |
| US20120319940A1 (en) * | 2011-06-16 | 2012-12-20 | Daniel Bress | Wearable Digital Input Device for Multipoint Free Space Data Collection and Analysis |
| CN104200234A (en) * | 2014-07-11 | 2014-12-10 | 杭州微纳科技有限公司 | Human body action modeling and recognizing method |
| CN104615248A (en) * | 2015-02-10 | 2015-05-13 | 北京智谷睿拓技术服务有限公司 | Method and device for determining input information |
| CN104834372A (en) * | 2015-04-15 | 2015-08-12 | 程锦发 | Multifunctional wearable human-computer interaction input equipment based on MEMS (Micro Electro Mechanical Systems) acceleration sensor |
| CN105511615A (en) * | 2015-12-04 | 2016-04-20 | 深圳大学 | Wearable text input system and method based on EMG |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873762A (en) * | 2016-12-23 | 2017-06-20 | 南京理工大学 | A kind of man-machine interaction input technology based on inertial sensor |
| CN107336233A (en) * | 2017-06-02 | 2017-11-10 | 南京邮电大学 | Based on the dynamic robot people's actual situation intersection control routine caught of inertia |
| CN107336233B (en) * | 2017-06-02 | 2020-10-09 | 南京邮电大学 | Inertial-kinetic-capture-based human-robot virtual-real interaction control system |
| CN107465814A (en) * | 2017-07-17 | 2017-12-12 | 长沙学院 | A kind of user's input recognition method based on mobile phone inertial sensor |
| CN107465814B (en) * | 2017-07-17 | 2019-11-22 | 长沙学院 | A kind of user's input recognition method based on mobile phone inertial sensor |
| CN107562205A (en) * | 2017-09-15 | 2018-01-09 | 上海展扬通信技术有限公司 | A kind of projected keyboard of intelligent terminal and the operating method of the projected keyboard |
| CN109814707A (en) * | 2018-12-19 | 2019-05-28 | 东北大学秦皇岛分校 | A kind of virtual input method and system based on intelligent finger ring |
| CN111880655A (en) * | 2020-07-28 | 2020-11-03 | 拉扎斯网络科技（上海）有限公司 | Detection device and method for positioning knocking area |
| CN111880655B (en) * | 2020-07-28 | 2024-05-17 | 拉扎斯网络科技（上海）有限公司 | Detection device and method for positioning knocking area |
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