CN108803898B - Combined intelligent wireless finger input device, system and control method thereof - Google Patents
Combined intelligent wireless finger input device, system and control method thereof Download PDFInfo
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- CN108803898B CN108803898B CN201710317255.4A CN201710317255A CN108803898B CN 108803898 B CN108803898 B CN 108803898B CN 201710317255 A CN201710317255 A CN 201710317255A CN 108803898 B CN108803898 B CN 108803898B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03543—Mice or pucks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0362—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 1D translations or rotations of an operating part of the device, e.g. scroll wheels, sliders, knobs, rollers or belts
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- Position Input By Displaying (AREA)
Abstract
The invention discloses a combined intelligent wireless finger input device, a system and a control method thereof. The finger end equipment is worn on the finger ends, the number of the finger end equipment is 3-5, the action signals of the finger ends are obtained in a photoelectric sensing mode, and the action signals are transmitted to a host computer end in a wireless mode after being converted; the host computer end receives the action information of all the finger end devices through the host computer wireless interface, then completes the sliding track tracking and click action identification of the finger end devices, namely the finger ends, through the action identification expert system, and realizes the operation functions and switching control of 3 types of modes, namely a mouse mode, a handwriting mode and a free mode, through information combination and processing. The invention has more convenient use and carrying, small volume and complete functions.
Description
Technical Field
The invention relates to the technical field of remote control, in particular to a combined intelligent wireless finger input device, a system and a control method thereof.
Background
The mouse is an input device of the computer and is also a pointer for the vertical and horizontal coordinate positioning of the computer display system. The mouse is used for enabling the operation of the computer to be simpler, more convenient and faster, and replacing the complicated instructions of the keyboard. The mouse or mouse replacing technology in the current market mainly comprises 4 types of optical mice, touch pads, touch screens and writing boards.
1) An optical mouse: by emitting infrared scattering light spots, the photoelectric sensor is irradiated to form a pulse signal representing the track movement. The wireless optical mouse can be upgraded to a wireless optical mouse by further combining with a wireless transmission technology. The photoelectric sensor of the photoelectric mouse replaces the traditional rolling ball. Such sensors need to be used with a specially made pad with a stripe or dot pattern.
2) Touch panel: the technology is applied and popularized along with the popularization of the notebook computer, the mouse can be moved, but the left key and the right key can be realized by adding the keys, and the volume of the notebook computer is invisibly increased.
3) A touch screen: the technology is limited to a computer with a touch screen, can identify a plurality of finger tip touch tracks and click actions, and abandons functions of left and right keys and the like.
4) A writing board: in China, the writing board can be used for writing and inputting Chinese characters, which overcomes a great obstacle to using a computer for most people. It is inconvenient to carry, is bulky and has limited popularity.
Therefore, there is a need for an input device and method for controlling the input device that is more convenient to use and carry, small in size, and fully functional.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a combined intelligent wireless finger input device, a system and a control method thereof, which are more convenient to use and carry, small in size and complete in function.
The technical scheme of the invention is as follows:
a combined intelligent wireless finger tip input device, comprising: 3 to 5 fingertips devices; 3 to 5 finger tip devices are respectively worn on each finger tip of an operator; each finger-end device comprises a photoelectric sensing module, a terminal processor and a terminal wireless communication module;
the photoelectric sensing module is responsible for sending/receiving infrared or laser signals; when the finger end equipment moves (slides, lifts or presses) along with the finger, the strength and the existence of the photoelectric sensing signal and the characteristic point of the signal can be changed along with the finger;
the terminal processor is responsible for coordinating and controlling the photoelectric sensing module, the terminal wireless communication module and the host end;
the terminal wireless communication module provides an interface for establishing wireless connection between the finger end equipment and the host end;
the photoelectric sensing module acquires a motion signal of the finger, and the motion signal is converted and processed by the terminal processor and then is sent to the host through the terminal wireless communication module.
Furthermore, each finger end device is provided with a number, and the number of each finger end device corresponds to the worn finger (thumb, index finger, middle finger, ring finger and little finger); numbering 3 finger tip devices corresponding to the thumb, the index finger and the middle finger as basic combined devices; the other numbered 2 finger-end devices are reserved expansion devices; wherein the basic combination device is the lowest equipment to implement the operation; and reserving the expansion equipment to share part of functions of the basic combined equipment according to the personalized requirements of the user, or serving as a self-defined equipment foundation.
Furthermore, the terminal wireless communication module is a near field wireless communication module such as Bluetooth, zigbee and wifi.
A combined intelligent wireless finger input system comprises the combined intelligent wireless finger input device and a host computer end in wireless communication connection with finger equipment;
a host wireless communication module is configured at the host end; a wireless network between a host terminal and finger-end equipment is constructed by a host wireless communication module and a terminal wireless communication module; the host side exchanges information such as operation, control and the like with the finger end equipment through the host wireless communication module;
an action recognition expert system is installed in the host computer end; the motion recognition expert system takes the matched software of the host end as a realization carrier, is used for tracking and recognizing the motion of each finger, and carrying out information combination and processing, thereby realizing the operation functions and switching control of different modes (3 types such as a mouse mode, a handwriting mode, a free mode and the like).
A control method of a combined intelligent wireless finger-end input system adopts the following steps to identify actions:
step 1, a terminal processor of each finger end device acquires a synchronization time mark t from a host end to ensure that clocks of all finger end devices and the host end are kept synchronous, and system misjudgment caused by time asynchronism is avoided; and generating motion information (delta x) according to the finger motion signal acquired by the photoelectric sensing modulei(t),Δyi(t),zi(t) }, in which Δ xi(t) and Δ yi(t) respectively representing the position increment (including the moving direction and the distance) of the pointing device relative to the X axis and the Y axis of the previous time at the time t; z is a radical ofi(t) represents the lifting degree of the finger-end equipment at the time t, the value is between 0 and 1, 1 corresponds to complete falling, and 0 corresponds to complete lifting; subscript i represents the number of the finger end device;
step 2, the finger end equipment uploads the generated action information to a host end through a wireless network, and the action information is collected to form original data of an action information set;
and 3, reasoning and judging by using human expert prior knowledge describing finger action characteristics and combination modes through a reasoning machine of an expert system according to the original data of the action information set uploaded by the plurality of finger-end equipment, and recognizing the action signals of the fingers.
The control method of the combined intelligent wireless finger input system comprises the steps of firstly operating through the combined intelligent wireless finger input device, then identifying action signals of fingers by adopting the method, and finally realizing operation functions and switching control of corresponding modes.
Further, the modes include a mouse mode, a handwriting mode, and a free mode class 3 mode;
in the mouse mode, the clicking and sliding of the thumb, the index finger and the middle finger are used for simulating the operations of left key action, right key action, roller action, mouse sliding, mouse dragging, two-finger zooming, three-finger zooming and the like, and other multi-finger combination self-defining operations; the mouse sliding is equivalent to that when the existing mouse has no clicking action, the displayed cursor moves along with the mouse; the mouse dragging is equivalent to that when a certain file is selected by the existing mouse clicking, the clicking state is kept so that the file moves along with the mouse (for example, one file is copied from a folder where the file is located to another target folder in a computer, and the file can be dragged to the target folder through the mouse;
the handwriting mode is a function of simulating pen-holding handwriting by using synchronous tracks of a thumb, an index finger and a middle finger;
the free mode is to exit the handwriting mode and the mouse mode, that is, although the finger end device moves along with the finger, such as the action of knocking the keyboard, the operation instruction of mouse, handwriting and the like is not generated.
Has the advantages that:
the invention discloses a combined intelligent wireless finger input device, a system and a control method thereof. The finger end equipment is worn on the finger ends, the number of the finger end equipment is 3-5, motion signals (including sliding and clicking signals) of the finger ends are obtained in a photoelectric sensing mode, and the motion signals are transmitted to a host computer end in a wireless mode after being converted; the host computer end receives the action information of all the finger end devices through the host computer wireless interface, then completes the sliding track tracking and click action identification of the finger end devices, namely the finger ends, through the action identification expert system, and realizes the operation functions and switching control of 3 types of modes, namely a mouse mode, a handwriting mode and a free mode, through information combination and processing.
Compared with the prior art, the invention has the advantages of the traditional mouse, the traditional touch pad, the traditional touch screen computer and the traditional writing board, overcomes the defects of the traditional mouse, the traditional touch pad, the traditional touch screen computer and the traditional writing board, has the functions of wireless and finger action combined operation, writing input and the like, is more convenient to use and carry, does not depend on a specific use environment, can realize operation on any plane, and has small volume and complete functions.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a flow chart of the fingered device movement identification of the present invention.
Fig. 3 is a flow chart of the finger tip device lift and press recognition of the present invention.
FIG. 4 is a flow chart of the present invention pointing device click, continuous click recognition.
FIG. 5 is a flow chart of the present invention for simultaneous click recognition of two or more fingered devices.
Fig. 6 is a flow chart of mode switch recognition of the present invention.
Description of reference numerals:
wherein 100 is a host end, 101 is a host wireless communication module, and 102 is matched software; 200 is a finger terminal device, 201 is a terminal wireless communication module, 202 is a terminal processor, and 203 is a photoelectric sensing module.
Detailed Description
The invention will be described in further detail below with reference to the attached drawing figures: it should be understood that the following examples are only illustrative and explanatory of some of the present invention, and should not be construed as limiting the scope of the present invention.
Fig. 1 is a schematic block diagram of the present invention, which includes two major entities, namely a finger end device 200, a host end 100, and a motion recognition expert system implemented in the form of supporting software 102. The host end 100 specifically includes a host wireless communication module 101 and supporting software 102; the pointing device 200 specifically includes a terminal wireless communication module 201, a terminal processor 202 and a photoelectric sensing module 203.
Under the operation of the finger tip device 200, the photoelectric sensing module 203 can pick up signals.
The signal is processed by the terminal processor 202 and then transmitted to the terminal wireless communication module 201.
The information is transmitted to the host wireless communication module 101 by wireless communication.
The combined action pattern recognition expert system in the companion software 102 performs the recognition of the information.
The host end outputs a control command.
FIG. 2 is a flowchart of the operation of the motion recognition expert system for finger tip device movement recognition; motion information [ Delta x ] generated at the fingerend devicei(t)，Δyi(t)，zi(t) } when z isi(t) is greater than the set contact threshold zir, the mouse position increment Δ xi(t) and Δ yiAnd (t) if the mouse is valid, namely the pointer device moves, the original mouse position coordinate and the mouse position increment are superposed to generate a new mouse position coordinate. The contact threshold zir is set to be 0.5, which is between 0 and 1, and can be adjusted according to the personal habit of the user.
Fig. 3 to 5 are flowcharts illustrating a work flow of mouse click recognition performed by the action recognition expert system, where the click of the recognition pointing device includes:
as shown in FIG. 3, if zi(t) greater than a set contact threshold zir, determining that the finger tip is pressed; otherwise, judging that the finger tip is lifted.
Clicking as shown in FIG. 4 if zi(t) the variation forms a click pulse signal,i.e. zi(t) after the rising edge crossing the contact threshold once occurs and the falling edge crossing the contact threshold once again occurs within a click time threshold td, it is determined that a click action has occurred. The click time threshold td is generally 0.4 second and can be properly adjusted according to personal habits of the user.
If a click action occurs, within the continuous click time threshold tdd, according to zi(t) if it is judged that the click action occurs again, it is judged that the continuous click has occurred. The click time threshold tdd is generally 0.6 second and can be properly adjusted according to personal habits of the user, but the value of tdd is larger than td.
If two or more fingers are actuated, i.e. more than one z, as shown in FIG. 5i(t) a click pulse signal occurs, and z is differenti(t) rising and falling edges are nearly synchronous, i.e. more than two zi(t) if the time difference of occurrence of the click pulse signal is within the simultaneous click time difference threshold tt, it is determined that a simultaneous click has occurred. The click time difference threshold tt is generally set to be 0.2 seconds and can be properly adjusted according to personal habits of users, but the value of tt is smaller than td.
FIG. 6 is a workflow diagram of the action recognition expert system performing different modes of operation and switching recognition; the modes comprise 3 modes of a mouse mode, a handwriting mode and a free mode;
the free mode is an initial state, whether three fingers (thumb, middle finger and index finger) are clicked at the same time is judged, and if yes, the mouse mode is entered; otherwise, the free mode is kept;
in the mouse mode, two fingers zoom, that is, two fingers press to move in an opening and closing manner, that is, the duration of time that zi (t) is greater than the contact threshold value in the motion information generated by the finger end device on any two fingers exceeds t1 (generally 0.2s), and other fingers do not press or move, then two zi (t) correspond to the mouse position increment Δ xi(t) and Δ yi(t) effective, zooming in and out along the connecting line direction of the two fingers;
in the mouse mode, three fingers zoom, namely three fingers are subjected to convergence sliding, namely the duration that zi (t) in the action information generated by the finger end equipment on any three fingers is greater than a contact threshold exceeds t1, and other fingers are not pressed or moved, the mass center of the three fingers is calculated according to the mouse position information of the three fingers, and the three fingers are used as the center to zoom in and zoom out;
and under the mouse mode, judging whether the moving tracks of the three fingers (thumb, middle finger and index finger) are consistent, namely whether the distance between the sliding tracks of the three fingers is changed, if not, entering the handwriting mode, otherwise, keeping the mouse mode.
In the mouse mode, the index finger or middle finger is moved by pressing down, i.e. only the duration of time that zi (t) is greater than the contact threshold value in the action information generated by the finger-end device on the index finger or middle finger exceeds t1, and the other fingers are not pressed down or moved, zi (t) is corresponding to the mouse position increment delta xi(t) and Δ yi(t) valid, mouse slip occurs.
In the mouse mode, when the thumb is pressed and slid by a single finger, namely the duration of the action information generated by the thumb end device, namely zi (t), which is greater than the contact threshold value exceeds t1, and other fingers are not pressed or moved, zi (t) is corresponding to the mouse position increment delta xi(t) active, roller action occurs.
In the mouse mode, when two fingers are pressed to slide synchronously, namely the duration that zi (t) in the action information generated by the finger-end equipment on the finger and the middle finger is simultaneously larger than the contact threshold value exceeds t1, and other fingers are not pressed or do not move, the corresponding mouse position increment delta x of zi (t)i(t) and Δ yi(t) active, mouse drag.
In handwriting mode, when ziAnd (t) when the value is between 0.5 and 1, displaying the difference of the stroke weight according to the value size. When z isiAnd (t) when the value is taken from 0.2 to 0.5, the system judges that the pen is in the pen lifting state in the writing process.
In the handwriting mode, if the sliding tracks of the three fingers (thumb, middle finger and index finger) are not consistent any more and the time of the inconsistent sliding tracks exceeds the handwriting unlocking time threshold txz, the handwriting mode is exited and the mouse mode is entered. The handwriting unlocking time threshold txz is generally set to 0.5 second and can be properly adjusted according to personal habits of the user;
in the mouse mode, if all the pointing devices are in the lifted state and all the pointing devices are in the lifted state, which exceeds the mouse unlocking time threshold tsz, the mouse mode exits and the free mode enters. The mouse unlock time threshold tsz is generally set to 1 second and can be adjusted according to the personal habits of the user.
It will be understood that the invention is not limited to the embodiments described above and shown in the drawings, but that various modifications and changes may be made without departing from the essential scope of the invention.
Claims (6)
1. The utility model provides a modular wireless finger end input device of intelligence which characterized in that includes: 3 to 5 fingertips devices; 3 to 5 finger tip devices are respectively worn on each finger tip of an operator; each finger-end device comprises a photoelectric sensing module, a terminal processor and a terminal wireless communication module;
the photoelectric sensing module acquires a motion signal of a finger, and the motion signal is converted and processed by the terminal processor and then is sent to the host end through the terminal wireless communication module;
the terminal processor generates motion information (delta x) according to the finger motion signal acquired by the photoelectric sensing modulei(t),Δyi(t),zi(t) }, in which Δ xi(t) and Δ yi(t) respectively representing the position increment of the pointing device on the X-axis and the Y-axis relative to the previous moment at the moment t; z is a radical ofi(t) represents the lifting degree of the finger-end equipment at the time t, the value is between 0 and 1, 1 corresponds to complete falling, and 0 corresponds to complete lifting; subscript i represents the number of the finger end device;
the combined intelligent wireless finger input device comprises a mouse mode, a handwriting mode and a free mode 3 type mode;
in the mouse mode, clicking and sliding of a thumb, an index finger and a middle finger are used for simulating left key action, right key action, roller action, mouse sliding, mouse dragging, two-finger zooming and three-finger zooming;
the handwriting mode is a function of simulating pen-holding handwriting by using synchronous tracks of a thumb, an index finger and a middle finger;
the free mode is to exit the handwriting mode and the mouse mode, that is, although the finger end device moves along with the finger, no mouse or handwriting operation instruction is generated.
2. The combined intelligent wireless finger input device according to claim 1, wherein each finger device is provided with a number, and the numbers of the finger devices correspond to the worn fingers respectively, wherein the fingers comprise a thumb, an index finger, a middle finger, a ring finger and a little finger; numbering 3 finger tip devices corresponding to the thumb, the index finger and the middle finger as basic combined devices; the other numbered 2 finger-end devices are reserved expansion devices; wherein the basic combination device is the lowest equipment to implement the operation; and reserving the expansion equipment to share part of functions of the basic combined equipment or serve as a self-defined equipment base according to the personalized requirements of the user.
3. The device of claim 2, wherein the terminal wireless communication module is a bluetooth, zigbee or wifi short-range wireless communication module.
4. A combined intelligent wireless finger-end input system is characterized by comprising the device of any one of claims 1-3 and a host end connected with finger-end equipment in a wireless communication manner;
a host wireless communication module is configured at the host end; the host end exchanges operation and control information with the finger end equipment through the host wireless communication module;
and the host end is internally provided with an action recognition expert system which is used for tracking and recognizing the action of each finger, combining and processing information and realizing the operation function and switching control of different modes, wherein the different modes comprise a mouse mode, a handwriting mode and a free mode.
5. A control method of a combined intelligent wireless finger input system is characterized in that firstly, the combined intelligent wireless finger input device of any one of claims 1-3 is used for operation, then action signals of fingers are recognized, and finally operation functions and switching control of corresponding modes are realized; the method comprises the following steps of:
step 1, a terminal processor of each finger end device acquires a synchronization time mark t from a host end to ensure that clocks of all finger end devices and the host end are kept synchronous; and generating motion information (delta x) according to the finger motion signal acquired by the photoelectric sensing modulei(t),Δyi(t),zi(t) }, in which Δ xi(t) and Δ yi(t) respectively representing the position increment of the pointing device on the X-axis and the Y-axis relative to the previous moment at the moment t; z is a radical ofi(t) represents the lifting degree of the finger-end equipment at the time t, the value is between 0 and 1, 1 corresponds to complete falling, and 0 corresponds to complete lifting; subscript i represents the number of the finger end device;
step 2, the finger end equipment uploads the generated action information to a host end through a wireless network, and the action information is collected to form original data of an action information set;
and 3, reasoning and judging by using human expert prior knowledge describing finger action characteristics and combination modes through a reasoning machine of an expert system according to the original data of the action information set uploaded by the plurality of finger-end equipment, and recognizing the action signals of the fingers.
6. The control method of the combined intelligent wireless finger-tip input system according to claim 5, wherein the modes include a mouse mode, a handwriting mode, and a free mode class 3 mode;
in the mouse mode, clicking and sliding of a thumb, an index finger and a middle finger are used for simulating left key action, right key action, roller action, mouse sliding, mouse dragging, two-finger zooming and three-finger zooming;
the handwriting mode is a function of simulating pen-holding handwriting by using synchronous tracks of a thumb, an index finger and a middle finger;
the free mode is to exit the handwriting mode and the mouse mode, that is, although the finger end device moves along with the finger, no mouse or handwriting operation instruction is generated.
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