CN106843476B - Method for controlling terminal cursor based on wearable device and wearable device - Google Patents
Method for controlling terminal cursor based on wearable device and wearable device Download PDFInfo
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- CN106843476B CN106843476B CN201710006895.3A CN201710006895A CN106843476B CN 106843476 B CN106843476 B CN 106843476B CN 201710006895 A CN201710006895 A CN 201710006895A CN 106843476 B CN106843476 B CN 106843476B
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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
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/163—Wearable computers, e.g. on a belt
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
Abstract
The invention discloses a method for controlling a terminal cursor based on wearable equipment and the wearable equipment, and relates to the field of intelligent terminals. The method comprises the following steps: establishing communication between the wearable device and the terminal; responding to a first instruction of a user to start a cursor control mode; acquiring the moving speed of the wearable device in different directions; and sending the moving speed to the terminal, and further controlling the cursor displayed by the terminal to move in the corresponding direction. By the mode, the wearable device can be used as a mouse to control the operation terminal, so that the terminal can be operated under the condition that hands do not contact the terminal; and use the wearable equipment as mouse, do not need to purchase mouse equipment specially again, save the resource, convenient to carry.
Description
Technical Field
The invention relates to the field of intelligent terminals, in particular to a method for controlling a terminal cursor based on wearable equipment and the wearable equipment.
Background
At present, intelligent equipment is deeply embedded into various use scenes of a user, a smart phone and a smart watch are visible everywhere in daily life of people, people usually operate the mobile phone on a mobile phone screen through fingers or a pen, the operation is convenient and visual, however, scenes that the fingers are not easy to operate exist, for example, when the user uses VR (virtual reality) for playing, or the user uses a large-screen mobile phone for watching a film, the mobile phone is placed in a position where the user can not reach, and the situation that the user is inconvenient to use can occur at the moment. It would be much more convenient if the mouse could be used to operate as a desktop device.
Disclosure of Invention
The invention mainly solves the technical problem of providing a method for controlling a terminal cursor based on wearable equipment and the wearable equipment, which can conveniently use a mouse to operate a terminal.
In order to solve the technical problems, the invention adopts a technical scheme that: a method for controlling a terminal cursor based on a wearable device is provided, and the method comprises the following steps: establishing communication between the wearable device and the terminal; responding to a first instruction of a user to start a cursor control mode; acquiring the moving speed of the wearable device in different directions; and sending the moving speed to the terminal, and further controlling the cursor displayed by the terminal to move in the corresponding direction.
Wherein, before the step of obtaining the moving direction and the moving speed of the wearable device, further comprising: responding to a second instruction of the user to start a dual-cursor mode; and sending a dual-cursor generation instruction to the terminal so that the terminal respectively displays a cursor in two different display areas.
Wherein, after the step of sending the dual-cursor generation instruction, the method further comprises the following steps: responding to a third instruction of the user to start a distance adjusting mode; and sending a distance adjusting instruction to the terminal according to the operation of the user, and further controlling the terminal to adjust the distance between the cursors in the two different display areas.
Wherein, the step of obtaining the moving direction and the moving speed of wearable equipment includes: detecting accelerations of the wearable device in different moving directions at predetermined time intervals; setting an initial acceleration and an initial speed according to a certain detected acceleration; calculating the speed variation according to the difference value between the subsequently detected acceleration and the initial acceleration and the time interval between the subsequently detected acceleration and the initial acceleration; the initial velocity and the velocity change amount are added to obtain a moving velocity.
Wherein the step of calculating the speed variation according to the difference between the subsequently detected acceleration and the initial acceleration and the time interval therebetween further comprises: the initial acceleration is smoothed by the following formula:
gx1＝gx0×a1+gx×(1-a1)
wherein gx0 is the initial acceleration before the smoothing processing, gx1 is the initial acceleration after the smoothing processing, gx is the acceleration detected subsequently, and a1 is the smoothing coefficient greater than 0 and less than 1.
And calculating the speed variation according to the difference value between the subsequently detected acceleration and the initial acceleration after the smoothing processing and the time interval between the two.
The step of adding the initial speed and the speed change amount as the moving speed further includes: the moving speed is attenuated by the following formula:
vx1＝vx×a2
where vx is the moving speed before the attenuation processing, vx1 is the moving speed after the attenuation processing, and a2 is an attenuation coefficient larger than 0 and smaller than 1.
In order to solve the technical problem, the invention adopts another technical scheme that: provided is a wearable device including: the connection module is used for establishing communication between the wearable device and the terminal; the control module is used for responding to a first instruction of a user to start a cursor control mode; the acquisition module is used for acquiring the moving speed of the wearable device in different directions; and the sending module is used for sending the moving speed to the terminal so as to control the cursor displayed by the terminal to move in the corresponding direction.
The control module is also used for responding to a second instruction of the user to start the dual-cursor mode; the sending module is further used for sending a dual-cursor generation instruction to the terminal so that the terminal can respectively display a cursor in two different display areas.
The control module is further used for responding to a third instruction of the user to start a distance adjusting mode, and the sending module is further used for sending a distance adjusting instruction to the terminal according to the operation of the user, so that the terminal is controlled to adjust the distance between the cursors in the two different display areas.
The acquisition module comprises a detection unit and a calculation unit. The computing unit is used for detecting the acceleration of the wearable device in different moving directions at preset time intervals; an initial acceleration and an initial velocity are set according to a certain acceleration detected.
The calculating unit is used for calculating the speed variation according to the difference value between the subsequently detected acceleration and the initial acceleration and the time interval between the subsequently detected acceleration and the initial acceleration; the initial velocity and the velocity change amount are added to obtain a moving velocity.
Wherein, the calculation unit is used for smoothing the initial acceleration by the following formula:
gx1＝gx0×a1+gx×(1-a1)
wherein gx0 is the initial acceleration before the smoothing processing, gx1 is the initial acceleration after the smoothing processing, gx is the acceleration detected subsequently, and a1 is the smoothing coefficient greater than 0 and less than 1.
And calculating the speed variation according to the difference value between the subsequently detected acceleration and the initial acceleration after the smoothing processing and the time interval between the two.
The calculation unit is also used for carrying out attenuation processing on the moving speed by the following formula:
vx1＝vx×a2
where vx is the moving speed before the attenuation processing, vx1 is the moving speed after the attenuation processing, and a2 is an attenuation coefficient larger than 0 and smaller than 1.
The invention has the beneficial effects that: different from the situation of the prior art, the method provided by the invention starts the cursor control mode after the communication is established between the wearable device and the terminal, obtains the moving speeds of the wearable device in different directions, and sends the moving speeds to the terminal, thereby controlling the cursor displayed by the terminal to move in the corresponding direction. By the mode, the wearable device can be used as a mouse to control the operation terminal, so that the terminal can be operated under the condition that hands do not contact the terminal; and use the wearable equipment as mouse, do not need to purchase mouse equipment specially again, save the resource, convenient to carry.
Drawings
Fig. 1 is a flowchart of an embodiment of a control method of the present invention.
Fig. 2 is a schematic diagram of another embodiment of the control method of the present invention.
Fig. 3 is a schematic diagram of another embodiment of the control method of the present invention.
Fig. 4 is a schematic view of an embodiment of the wearable device of the present invention.
Fig. 5 is a schematic view of another embodiment of the wearable device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a method for controlling a terminal cursor based on wearable equipment, which can realize that the wearable equipment is used as a mouse to control an operation terminal. Wherein wearable equipment can be intelligent wrist-watch, intelligent bracelet etc. and the terminal can be cell-phone, panel computer etc..
Referring to fig. 1, fig. 1 is a flowchart illustrating a control method according to an embodiment of the present invention, which includes the following steps.
S101: communication is established between the wearable device and the terminal.
Specifically, the wearable device can be connected with the terminal in a pairing mode through bluetooth, Wifi and the like, and other wireless or wired connection modes can be selected to be connected in other implementation modes for transmitting related information data.
S102: responding to a first instruction of a user to start a cursor control mode;
specifically, when a user needs to control a terminal cursor by using the wearable device, a cursor control mode is selected to be started after the wearable device is connected with the terminal in a pairing mode, and at the moment, the cursor is displayed on a terminal screen. Optionally, the cursor control mode has a single cursor mode or a dual cursor mode, and the user can select to display several cursors according to the use environment, for example, only one cursor is needed in a normal environment, and two cursors are needed in a VR environment. In other embodiments, more cursor modes may be set depending on the particular application.
When the user selects to open the double-cursor mode, the wearable device sends a double-cursor generation instruction to the terminal, so that the terminal respectively displays a cursor in two different display areas.
At this time, the terminal will read the screen size of the terminal, and divide the screen into two parts (in the case of horizontal screen), if there is only one cursor before and the cursor position is in the left area, then the same cursor will be displayed at the corresponding position on the right side of the screen, conversely, if the cursor before is on the right side, then the same cursor will be displayed on the left side, and the two cursors are symmetrical to each other and the distance is exactly half of the screen width. However, since the screen sizes of different terminals are different, the preset distance between the two cursors cannot be adapted to various terminals, and thus the distance between the two cursors is set to be adjustable to be adapted to various terminals.
When the user selects to start the distance adjusting mode, the wearable device sends a distance adjusting instruction to the terminal according to the operation of the user, and then the terminal is controlled to adjust the distance between the cursors in the two different display areas.
S103: acquiring the moving speed of the wearable device in different directions;
specifically, a gravity sensor is arranged in the wearable device, the gravity sensor can sense the movement of the wearable device and generate related data, and speed data of the wearable device in the x and y directions is calculated according to the related data.
The moving speed of the wearable device can be calculated through an integral method, for a program, the moving speed of the wearable device needs to be calculated between values reported by the gravity sensor every two times, and then the moving speed of the wearable device is obtained through accumulation.
Because the data of the gravity sensor is an acceleration value, if the wearable device does not move, the gravity acceleration of the wearable device in the x and y directions can not change, if the wearable device moves, the acceleration changes at the moving moment, the change value of the acceleration is multiplied by the change time (the time difference of the data reported by the gravity sensor twice) to obtain the change value of the speed in a short time, and all the speed change values are accumulated to obtain the corresponding moving speed of the wearable device.
First, accelerations of the wearable device in different moving directions are detected at predetermined time intervals, and an initial acceleration and an initial velocity are set according to a certain detected acceleration. Namely, whether the gravity sensor data of the wearable device in the x direction and the y direction is stable is judged, if so, the initial accelerations in the two directions are recorded as gx0 and gy0, respectively, wherein gx0 is the initial acceleration in the x direction, and gy0 is the initial acceleration in the y direction. If not, the user is prompted to keep the wearable device fairly stable.
Secondly, calculating the speed variation according to the difference value between the acceleration detected subsequently and the initial acceleration and the time interval between the acceleration and the initial acceleration; namely, the speed change value in the x direction in a short time is calculated by the following formula.
dv_x＝(gx-gx0)×dt
Dv _ x is the speed change value in the x direction in the data time reported by the gravity sensor every two times, gx is the acceleration subsequently detected in the x direction, gx0 is the initial acceleration in the x direction, and dt is the time interval.
Alternatively, since there may be a deviation in the recorded initial acceleration gx0, the initial acceleration is smoothed by the following formula before calculating the velocity change value.
gx1＝gx0×a1+gx×(1-a1)；
Wherein gx0 is the initial acceleration before the smoothing processing, gx1 is the initial acceleration after the smoothing processing, gx is the acceleration detected subsequently, and a1 is the smoothing coefficient greater than 0 and less than 1.
And calculating the speed variation according to the difference value between the subsequently detected acceleration and the initial acceleration after the smoothing processing and the time interval between the two.
And finally, adding the initial speed and the speed variation to obtain the moving speed of the wearable device. The moving speed of the wearable device is calculated through the following formula.
v_x＝v_x0+dv_x
Where v _ x is the moving speed of the wearable device, and v _ x0 is the initial speed value.
Alternatively, since the data of the sensor may have a certain error and fluctuation, even if the user holds the wearable device still, the moving speed calculated by the above formula may not be 0, and the cursor on the corresponding terminal may move randomly, so-called drift phenomenon may occur, and therefore, the calculated data needs to be attenuated to prevent drift. The data is attenuated by the following formula.
vx1＝vx×a2；
Where vx is the moving speed before the attenuation processing, vx1 is the moving speed after the attenuation processing, and a2 is an attenuation coefficient larger than 0 and smaller than 1.
Every time the speed is calculated, the absolute value of the speed is reduced a little bit by performing attenuation processing once.
The moving speed of the wearable device in the y direction is calculated by the same method, and details are not repeated here.
S104: and sending the moving speed to the terminal, and further controlling the cursor displayed by the terminal to move in the corresponding direction.
The processed speed of S103 is sent to the terminal, and the cursor can move on the terminal screen according to the speeds of the x and y directions.
In other embodiments, the up-and-down movement data of the wearable device at the plane angle may be sent to the terminal, that is, the movement data generated when the user performs the operations of pressing, moving and leaving on the surface of the wearable device, and the terminal may complete the click operation after receiving the data.
Referring to fig. 2, fig. 2 is a schematic diagram of another embodiment of the control method according to the present invention.
In one application scenario, the smart watch 20 is utilized to control cursor operation on the smartphone 21. The watch 20 and the mobile phone 21 are connected in a matching mode through Bluetooth, and a cursor control mode is selected to be started, at the moment, a cursor appears on a screen of the mobile phone 21, and a control operation interface is also displayed on the watch 20. The movement of the cursor on the mobile phone 21 can be completed by moving the watch 20 up and down, and the click operation on the mobile phone 21 can be completed by clicking and touching the watch 20.
Specifically, the display area of the watch 20 is divided into a click area and a movement area, and the watch 20 is moved after the movement area is pressed to complete the movement operation of the cursor; clicking or pressing the clicking area can complete the clicking operation of the cursor; holding down the click area while moving the watch 20 can complete the cursor dragging operation. Optionally, the click area may be divided into a left area and a right area, and a left click operation of the cursor may be completed by clicking the left area, and a right click operation of the cursor may be completed by clicking the right area. In addition, when the right area is clicked, unlike the left area, after the first pressing and the leaving, a finger leaving instruction is not sent to the mobile phone 21, after the second pressing, it is regarded as a second finger pressing operation, the movement of the cursor after that is processed as the movement of the second contact point, the first contact point is fixed at the position when the first contact point leaves, and after the second finger leaves, an instruction that both touch points leave is sent. This allows for handling of the two-finger operation in most cases, such as a zoom-in operation, etc.
Referring to fig. 3, fig. 3 is a schematic diagram of a control method according to another embodiment of the invention.
Alternatively, sliding the display interface of the watch 30 left or right can enter a cursor number selection mode, and when the dual cursor mode is turned on, the mobile phone 31 displays a cursor in two different display areas, respectively, and can also adjust the distance between the cursors. After the mode selection of the number of the cursors is finished, returning to the operation interface, and controlling the cursor to move by the same method, which is not described herein. At this time, the two cursors move synchronously, but the clicking events of the cursors are only sent out in the left area, so that it is meaningless to send out clicking operations at the same time on the two sides.
Referring to fig. 4, fig. 4 is a schematic view of a wearable device according to an embodiment of the invention. In this embodiment, the wearable device includes:
and the connection module 41 is used for establishing communication between the wearable device and the terminal.
And the control module 42 is used for responding to a first instruction of a user to start the cursor control mode.
And an obtaining module 43, configured to obtain moving speeds of the wearable device in different directions.
And the sending module 44 is configured to send the moving speed to the terminal, so as to control the cursor displayed by the terminal to move in the corresponding direction.
Wherein, the control module 42 is further configured to turn on the dual-cursor mode in response to a second instruction from the user; the sending module 44 is further configured to send a dual-cursor generating instruction to the terminal, so that the terminal displays a cursor in two different display areas respectively.
The control module 42 is further configured to start a distance adjustment mode in response to a third instruction of the user, and the sending module 44 is further configured to send a distance adjustment instruction to the terminal according to the operation of the user, so as to control the terminal to adjust the distance between the cursors in the two different display areas.
Wherein, the obtaining module 43 includes: a detection unit 431 for detecting accelerations of the wearable device in different moving directions at predetermined time intervals; setting an initial acceleration and an initial speed according to a certain detected acceleration; a calculating unit 432 for calculating a speed variation according to a difference between the subsequently detected acceleration and the initial acceleration and a time interval therebetween; the initial velocity and the velocity change amount are added to obtain a moving velocity.
The calculating unit 432 is further configured to perform a smoothing process on the initial acceleration and perform a damping process on the moving speed.
Each module of the terminal may respectively execute the corresponding steps in the method embodiments, so that details of each module are not described herein, and please refer to the description of the corresponding steps above in detail.
Wearable equipment can be electronic equipment such as intelligent wrist-watch, intelligent bracelet, also can be other electronic equipment that can the induction speed change in other embodiments.
Referring to fig. 5, fig. 5 is a schematic view of another embodiment of the wearable device of the present invention.
In this embodiment, the processing apparatus includes: a processor 51, a memory 52 coupled to the processor 51, a receiver 53 and a transmitter 54.
The memory 52 is used to store an operating system, instructions executed by the processor 51, and the like.
The receiver 53 is for receiving data signals.
The transmitter 54 is used to transmit data signals.
The processor 51 is configured to respond to a user instruction to control the cursor control mode to be opened, acquire moving speeds of the wearable device in different directions, and send the moving speeds to the terminal through the sender 54, so as to control a cursor displayed by the terminal to move in a corresponding direction.
Each processing device of the terminal can respectively execute the corresponding steps in the method embodiments, so that details of each module are not described herein, and please refer to the description of the corresponding steps above in detail.
By the mode, the wearable device can be used as a mouse to control the operation terminal, so that the terminal can be operated under the condition that hands do not contact the terminal; and use the wearable equipment as mouse, do not need to purchase mouse equipment specially again, save the resource, convenient to carry.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A method for controlling a terminal cursor based on wearable equipment is characterized by comprising the following steps:
establishing communication between the wearable device and a terminal;
responding to a first instruction of a user to start a cursor control mode;
acquiring the moving speed of the wearable device in different directions;
sending the moving speed to the terminal, and further controlling a cursor displayed by the terminal to move in a corresponding direction;
the method comprises the steps that a user generates mobile data when pressing, moving and leaving operations are carried out on the surface of the wearable device, and the terminal can complete clicking operations after receiving the mobile data, wherein the mobile data is defined as up-down movement data of the wearable device in a plane angle;
before the step of obtaining the moving direction and the moving speed of the wearable device, the method further comprises:
responding to a second instruction of the user to start a dual-cursor mode;
and sending a dual-cursor generation instruction to the terminal so that the terminal respectively displays a cursor in two different display areas.
2. The method of claim 1, wherein the step of sending a dual-cursor generation instruction is followed by the step of:
responding to a third instruction of the user to start a distance adjusting mode;
and sending a distance adjusting instruction to a terminal according to the operation of the user, and further controlling the terminal to adjust the distance between the cursors in the two different display areas.
3. The method of claim 1, wherein the step of obtaining the moving direction and moving speed of the wearable device comprises:
detecting accelerations of the wearable device in different moving directions at predetermined time intervals;
setting an initial acceleration and an initial speed according to a certain detected acceleration;
calculating the speed variation according to the difference value between the subsequently detected acceleration and the initial acceleration and the time interval between the subsequently detected acceleration and the initial acceleration;
and adding the initial speed and the speed variation to obtain the moving speed.
4. The method of claim 3, wherein the step of calculating the amount of speed change based on the difference between the subsequently detected acceleration and the initial acceleration and the time interval therebetween further comprises:
smoothing the initial acceleration by the following formula:
gx1＝gx0×a1+gx×(1-a1)
wherein gx0 is the initial acceleration before smoothing processing, gx1 is the initial acceleration after smoothing processing, gx is the acceleration detected subsequently, a1 is a smoothing coefficient greater than 0 and less than 1;
calculating speed variation according to the difference value between the subsequently detected acceleration and the initial acceleration after the smoothing processing and the time interval between the subsequently detected acceleration and the initial acceleration;
the step of adding the initial speed and the speed change amount to obtain the moving speed further comprises:
the moving speed is attenuated by the following formula:
vx1＝vx×a2
where vx is the moving speed before the attenuation processing, vx1 is the moving speed after the attenuation processing, and a2 is an attenuation coefficient larger than 0 and smaller than 1.
5. A wearable device, comprising:
the connection module is used for establishing communication between the wearable device and the terminal;
the control module is used for responding to a first instruction of a user to start a cursor control mode; the acquisition module is used for acquiring the moving speed of the wearable device in different directions;
the sending module is used for sending the moving speed to the terminal so as to control a cursor displayed by the terminal to move in a corresponding direction;
the method comprises the steps that a user generates mobile data when pressing, moving and leaving operations are carried out on the surface of the wearable device, and the terminal can complete clicking operations after receiving the mobile data, wherein the mobile data is defined as up-down movement data of the wearable device in a plane angle;
the control module is also used for responding to a second instruction of the user to start the dual-cursor mode;
the sending module is further used for sending a dual-cursor generation instruction to the terminal, so that the terminal can respectively display a cursor in two different display areas.
6. The apparatus of claim 5,
the control module is also used for responding to a third instruction of the user to start a distance adjusting mode;
the sending module is further used for sending a distance adjusting instruction to the terminal according to the operation of the user, and further controlling the terminal to adjust the distance between the cursors in the two different display areas.
7. The apparatus of claim 5, wherein the obtaining module further comprises:
the detection unit is used for detecting the acceleration of the wearable device in different moving directions at preset time intervals;
setting an initial acceleration and an initial speed according to a certain detected acceleration;
the calculating unit is used for calculating the speed variation according to the difference value between the subsequently detected acceleration and the initial acceleration and the time interval between the subsequently detected acceleration and the initial acceleration;
and adding the initial speed and the speed variation to obtain the moving speed.
8. The apparatus of claim 7,
the calculation unit is further configured to perform a smoothing process on the initial acceleration by the following formula:
gx1＝gx0×a1+gx×(1-a1)
wherein gx0 is the initial acceleration before smoothing, gx1 is the initial acceleration after smoothing, gx is the acceleration detected subsequently, a1 is the smoothing coefficient greater than 0 and less than 1;
calculating speed variation according to the difference value between the subsequently detected acceleration and the initial acceleration after the smoothing processing and the time interval between the subsequently detected acceleration and the initial acceleration;
the calculation unit is further configured to perform an attenuation process on the moving speed by the following formula:
vx1＝vx×a2
where vx is the moving speed before the attenuation processing, vx1 is the moving speed after the attenuation processing, and a2 is an attenuation coefficient larger than 0 and smaller than 1.
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| CN105912126A (en) * | 2016-04-26 | 2016-08-31 | 华南理工大学 | Method for adaptively adjusting gain, mapped to interface, of gesture movement |
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