CN102566804B - The track compensation method of touch-control input device and system - Google Patents
The track compensation method of touch-control input device and system Download PDFInfo
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- CN102566804B CN102566804B CN201010609251.1A CN201010609251A CN102566804B CN 102566804 B CN102566804 B CN 102566804B CN 201010609251 A CN201010609251 A CN 201010609251A CN 102566804 B CN102566804 B CN 102566804B
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Abstract
The invention provides a kind of track compensation method and system of touch-control input device.First, a contact trace of a corresponding input tool on the touch-control device detecting an electronic installation.Then, at least one movement posture information of corresponding touch-control device is obtained.Afterwards, according at least one this contact trace of movement posture information compensation of corresponding touch-control device.
Description
Technical field
The invention relates to a kind of track compensation method and system of touch-control input device, and be particularly to one can for input contact trace compensate, to remove the method and system of vibration influence.
Background technology
Along with electronic installation, universal as computing machine and portable apparatus, increasing application makes to operate these devices with technology also mutually competing exploitation and becomes more convenient.
In general, portable apparatus can possess related input device, carries out correlated inputs to provide user.For example, portable apparatus can configure a touch-controlling interface and/or a touch-display unit to the selection providing user and carry out related data and input.Through handwriting identification mechanism, user can be convenient and complete correlated inputs rapidly.
Because portable apparatus is not always placed in fixing desktop, therefore, portable apparatus often may be subjected to extraneous vibration influence.For example, because the vibrations of hand are so cause portable apparatus to shake, or because the vibrations of the vehicles taken of user, portable apparatus is caused to shake.In some cases, when user utilizes the touch-control device of portable apparatus to carry out correlated inputs, and when vibrations occur portable apparatus, the data of user's input will produce the situation generation of error or mistake.
At present, related management is carried out in the input that any mechanism does not occur when shaking for portable apparatus.User only can cancel the input completed, then re-executes correlated inputs operation.Very inconvenient for user.The operation of process correlated inputs also needs the ample resources expending portable apparatus, as electric energy etc.
Summary of the invention
The object of the present invention is to provide a kind of track compensation method and system of touch-control input device.
The track compensation method of a kind of touch-control input device of the embodiment of the present invention.First, a contact trace of a corresponding input tool on the touch-control device detecting an electronic installation.Then, at least one movement posture information of corresponding touch-control device is obtained.Afterwards, according at least one this contact trace of movement posture information compensation of corresponding touch-control device, this step comprises: calculating according to this at least one movement posture information mutually should a space vibration vector of touch-control device; This space vibration vector is converted to a two-dimensional migration vector according to a coordinate conversion matrix; And according to this this contact trace of two-dimensional migration vector compensation, wherein, this contact trace compensates according to following formula:
CL
n＝L
n-P[n]+e，
Wherein, CL
nthis contact trace after compensating,
Be this contact trace instantly on this touch-control device, e is a margin of error, and P [n] is this two-dimensional migration vector.
The track bucking-out system of a kind of touch-control input device of the embodiment of the present invention comprises a touch-control device, a sensing cell and a processing unit.A contact trace of a corresponding input tool on touch-control device detecting touch-control device.Sensing cell detects at least one movement posture information of corresponding touch-control device.Processing unit is according at least one movement posture information compensation contact trace of corresponding touch-control device, wherein, this processing unit is that calculate according to this at least one movement posture information mutually should a space vibration vector of touch-control device, this space vibration vector is converted to a two-dimensional migration vector according to a coordinate conversion matrix, and according to this this contact trace of two-dimensional migration vector compensation, wherein, this contact trace compensates according to following formula:
CL
n＝L
n-P[n]+e，
Wherein, CL
nthis contact trace after compensating,
Be this contact trace instantly on this touch-control device, e is a margin of error, and P [n] is this two-dimensional migration vector.
In certain embodiments, can judge whether touch-control device one disturbing phenomenon occurs according at least one movement posture information of corresponding touch-control device, and when touch-control device generation disturbing phenomenon, according at least one movement posture information compensation contact trace of corresponding touch-control device.
In certain embodiments, judge that the method whether touch-control device disturbing phenomenon occurs is the shock momentum calculating corresponding touch-control device according at least one movement posture information, and judge whether shock momentum is greater than a set threshold value.When shock momentum is greater than set threshold value, judge touch-control device generation disturbing phenomenon.In certain embodiments, set threshold value decides according to an average shock momentum of corresponding touch-control device in a predetermined time period.In certain embodiments, set threshold value can be gone back according to a people because resize ratio determines.
In certain embodiments, can judge whether shock momentum is greater than a both fixed-ratio of set threshold value.When shock momentum is greater than both fixed-ratios of set threshold value, cancel the compensation of corresponding contact track.
In certain embodiments, a space vibration vector of corresponding touch-control device can be calculated according at least one movement posture information.Afterwards, space vibration vector is converted to a two-dimensional migration vector according to a coordinate conversion matrix, and according to two-dimensional migration vector compensation contact trace.
Said method can exist through program code means.When program code to be loaded by computing machine and performs, computing machine becomes the device carrying out above-described embodiment.
Therefore, through track compensation method and the system of the touch-control input device of embodiment, can compensate for input contact trace according to the movement posture information of touch-control device, and then remove the impact shaking and contact trace is caused.
For making above-mentioned feature become apparent, special embodiment below, and coordinate appended accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is a schematic diagram is the track bucking-out system of display according to the touch-control input device of an embodiment;
Fig. 2 is a process flow diagram is the track compensation method of display according to the touch-control input device of an embodiment;
Fig. 3 is a process flow diagram is the track compensation method of display according to the touch-control input device of another embodiment;
According to an embodiment, Fig. 4 to be a process flow diagram be display judges whether touch-control device the method for disturbing phenomenon occurs.
[primary clustering symbol description]
The track bucking-out system of 100 ~ touch-control input device;
110 ~ touch-control device;
120 ~ sensing cell;
130 ~ display unit;
140 ~ processing unit;
S210, S220, S230 ~ step;
S310, S320, S330, S340 ~ step;
S410, S420, S430, S440, S450 ~ step.
Embodiment
Fig. 1 shows the track bucking-out system of the touch-control input device of an embodiment.The track bucking-out system 100 of the touch-control input device of this embodiment can be the electronic installation based on processor, as computing machine, with portable apparatus etc.
The track bucking-out system 100 of touch-control input device according to an embodiment can at least comprise touch-control device 110, sensing cell 120, display unit 130, with a processing unit 140.Touch-control device 110 has the touch surface comprising at least one inductor, in order to detect input tool, as the contact in its surface of finger or pointer etc. and movement.Sensing cell 120 can detect the movement posture information of touch-control device 110.Remind, the movement posture information of corresponding touch-control device 110 can be the volume coordinate of a three-dimensional.Display unit 130 can show contact, the movement and/or contact trace etc. of the corresponding input tool that touch-control device 110 detects.In addition, display unit 130 can also show related data and/or relevant icon and interface etc.It should be noted that in certain embodiments, touch-control device 110 and display unit 130 can be combined into a touch display unit.In other words, user can utilize touch display unit to input data, and inspects related data through touch display unit.Processing unit 140 is the track compensation methodes performing touch-control input device, its details will in after be described.
Fig. 2 shows the track compensation method of the touch-control input device of an embodiment.Track compensation method according to the touch-control input device of this embodiment goes for the electronic installation based on processor, as computing machine, with portable apparatus etc.
First, as step S210, a contact trace of a corresponding input tool on detecting touch-control device 110.As step S220, obtain at least one movement posture information of corresponding touch-control device 110 through sensing cell 120.As previously mentioned, the movement posture information of corresponding touch-control device 110 can be the volume coordinate of a three-dimensional.After obtaining the movement posture information of contact trace on touch-control device 110 and corresponding touch-control device 110, as step S230, according at least one movement posture information compensation contact trace of corresponding touch-control device 110.In certain embodiments, the contact trace after compensation can show by transmission display unit 130.
It should be noted that in certain embodiments, contact trace compensates according to following formula:
CL
n＝L
n-P[n]+e，
Wherein, CL
nthe contact trace after compensating,
And be contact trace instantly on touch-control device 110, wherein one of (x, y) be contacted with the coordinate on touch-control device 110, e is a margin of error, and it can adjust according to different requirement and application,
wherein,
And be the two-dimensional migration vector of the vibrations of corresponding touch-control device 110,
the coordinate conversion matrix that three-dimensional coordinate turns two-dimensional coordinate,
And be the space vibration amount of corresponding touch-control device 110 at time step n-1 to time step n, wherein (u, v, w) is a coordinate being contacted with a space.
In other words, the movement posture information (as time step n and the movement posture information of time step n-1) of continuous twice steps of corresponding touch-control device 110 first can be used for calculating the space vibration vector M [n] of corresponding touch-control device 110.Space vibration vector M [n] can according to coordinate conversion matrix
be converted to two-dimensional migration vector P [n].Finally, current on touch-control device 110 contact trace L [n] can compensate according to two-dimensional migration vector P [n] becomes CL
n.
Remind, mathematical expression mentioned in the present embodiment is that continuous signal is via the digital signal expression obtained after sampling.In addition, aforementioned formula is only the example of the present embodiment, and this case is not limited thereto.
Fig. 3 shows the track compensation method of the touch-control input device according to the embodiment of the present invention.The track compensation method of touch-control input device according to the embodiment of the present invention goes for the electronic installation based on processor, as computing machine, with portable apparatus etc.
First, as step S310, a contact trace of a corresponding input tool on detecting touch-control device 110.As step S320, obtain at least one movement posture information of corresponding touch-control device 110 through sensing cell 120.As previously mentioned, the movement posture information of corresponding touch-control device 110 can be the volume coordinate of a three-dimensional.As step S330, the movement posture information according to touch-control device 110 judges whether touch-control device 110 a specific disturbing phenomenon occurs.Remind, in certain embodiments, specific disturbing phenomenon refers to the disturbing phenomenon being greater than one first given degree.For example, slight disturbance (as being less than the disturbing phenomenon of the first given degree) can't cause this specific disturbing phenomenon.In addition, in certain embodiments, specific disturbing phenomenon is the disturbing phenomenon being less than one second given degree.For example, excessive disturbance (as being greater than the disturbing phenomenon of the second given degree) can't cause this specific disturbing phenomenon.
Fig. 4 show according to the embodiment of the present invention judge whether touch-control device the method for specific disturbing phenomenon occurs.As step S410, the movement posture information according to touch-control device 110 calculates a shock momentum of corresponding touch-control device 110.In certain embodiments, the movement posture information (as time step n and the movement posture information of time step n-1) of continuous twice steps of corresponding touch-control device 110 first can be used for calculating the space vibration vector M [n] of corresponding touch-control device 110.Space vibration vector M [n] according to corresponding touch-control device 110 can utilize following formula to be converted to shock momentum:
V [n]=M
t[n] M [n], wherein, V [n] is the shock momentum of corresponding touch-control device 110.As step S420, judge whether the shock momentum of corresponding touch-control device 110 is greater than a set threshold value.It should be noted that in certain embodiments, set threshold value can be a fixed value.In certain embodiments, set threshold value can decide according to the average shock momentum of of touch-control device 110 corresponding in a predetermined time period.In addition, in certain embodiments, set threshold value can simultaneously according to an average shock momentum of corresponding touch-control device 110 in a predetermined time period and a people because resize ratio determines according to following formula:
V
threshold=V
mean× (1+S
t), wherein V
thresholdset threshold value,
and be the average shock momentum of corresponding touch-control device 110 in predetermined time period, wherein can obtain (k+1) individual shock momentum in predetermined time period, and S
tbe people because of resize ratio, it can adjust according to different requirement and application.
If the shock momentum of corresponding touch-control device 110 is not greater than set threshold value (step S420's is no), as step S430, judge that specific disturbing phenomenon does not occur touch-control device 110.Remind, in some cases, may there is small disturbing phenomenon in touch-control device 110, but its degree is not enough to the action affecting user's input, therefore, judge that specific disturbing phenomenon does not occur this touch-control device 110, and need not operation be compensated.If the shock momentum of corresponding touch-control device 110 is greater than set threshold value (step S420 is), as step S440, judge whether the shock momentum of corresponding touch-control device 110 is greater than a both fixed-ratio of set threshold value, allows rate as set threshold value is multiplied by a maximum vibration compensation.Remind, maximum vibration compensation allows that rate can carry out setting and adjustment according to different requirement and application.When the shock momentum of corresponding touch-control device 110 is greater than both fixed-ratios of set threshold value (step S440 is), judge that specific disturbing phenomenon does not occur touch-control device 110.Remind, in some cases, may there is very serious disturbing phenomenon in touch-control device 110.Degree due to this disturbing phenomenon may have a strong impact on the action of user's input, and exceeds the scope that can compensate, and therefore, judges that specific disturbing phenomenon does not occur this touch-control device 110, and need not compensate operation.It should be noted that in certain embodiments, (deletion) this contact trace can be cancelled when the shock momentum of corresponding touch-control device 110 is greater than both fixed-ratios of set threshold value.Just input can be re-started when user does not inspect contact trace.When the shock momentum of corresponding touch-control device 110 is not greater than both fixed-ratios of set threshold value (step S440's is no), as step S450, judge that specific disturbing phenomenon occurs touch-control device 110.It should be noted that in certain embodiments, step S440 can omit.
Please again with reference to figure 3, when there is not specific disturbing phenomenon in touch-control device 110 (step S330's is no), process ends.When specific disturbing phenomenon occurs touch-control device 110 (step S330 is), as step S340, according to the movement posture information compensation contact trace of corresponding touch-control device.In certain embodiments, the contact trace after compensation can show by transmission display unit 130.
Similarly, in certain embodiments, contact trace compensates according to following formula:
CL
n＝L
n-P[n]+e，
Wherein, CL
nthe contact trace after compensating,
be contact trace instantly on touch-control device 110, wherein (x, y) is a coordinate being contacted with on touch-control device 110, and e is a margin of error, and it can adjust according to different requirement and application,
wherein,
And be the two-dimensional migration vector of the vibrations of corresponding touch-control device 110,
the coordinate conversion matrix that three-dimensional coordinate turns two-dimensional coordinate,
And be the space vibration amount of corresponding touch-control device 110 at time step n-1 to time step n, wherein (u, v, w) is a coordinate being contacted with a space.
Therefore, through track compensation method and the system of the touch-control input device of embodiment, can compensate for input contact trace according to the movement posture information of touch-control device, and then remove the impact shaking and contact trace is caused.
Method in embodiment, or specific kenel or its part, can exist with the kenel of program code.Program code can be contained in tangible media, as floppy disk, disc, hard disk or other machine-readable any (as embodied on computer readable) Storage Media, also or be not limited to the computer program of external form, wherein, when program code is by machine, as computing machine load and perform time, this machine becomes the device participating in an embodiment.Program code also can through some transfer mediums, as electric wire or cable, optical fiber or any transmission kenel transmit, wherein, when program code is by machine, as computing machine receive, load and perform time, this machine becomes the device participating in an embodiment.When general service processing unit implementation, program code provides a class of operation to be similar to the unique apparatus of application particular logic circuit in conjunction with processing unit.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention; any those who are familiar with this art; without departing from the spirit and scope of the present invention; when doing a little change and retouching, the scope that therefore protection scope of the present invention ought define depending on appending claims is as the criterion.
Claims (14)
1. a track compensation method for touch-control input device, is characterized in that, be applicable to an electronic installation with a touch-control device, the method comprises the following steps:
Detect a contact trace of a corresponding input tool on this touch-control device;
Obtaining mutually should at least one movement posture information of touch-control device; And
According to mutually should this at least one this contact trace of movement posture information compensation of touch-control device, this step comprises:
Calculating according to this at least one movement posture information mutually should a space vibration vector of touch-control device;
This space vibration vector is converted to a two-dimensional migration vector according to a coordinate conversion matrix; And
According to this this contact trace of two-dimensional migration vector compensation, wherein, this contact trace compensates according to following formula:
CL
n＝L
n-P[n]+e，
Wherein, CL
nthis contact trace after compensating,
That this touch-control device is taken in
Under this contact trace, e is a margin of error, and P [n] is this two-dimensional migration vector, and n is time step
Rank, x [n] is one coordinate being contacted with touch-control device x-axis direction when time step n, and y [n] is
When time step n, this is contacted with the coordinate in touch-control device y-axis direction.
2. the track compensation method of touch-control input device according to claim 1, is characterized in that, also comprise the following steps:
Judge whether this touch-control device one disturbing phenomenon occurs according to this at least one movement posture information; And
When this disturbing phenomenon occurs this touch-control device, according to mutually should this at least one this contact trace of movement posture information compensation of touch-control device.
3. the track compensation method of touch-control input device according to claim 2, is characterized in that, judges that the method whether this touch-control device this disturbing phenomenon occurs comprises the following steps:
Calculating according to this at least one movement posture information mutually should a shock momentum of touch-control device;
Judge whether this shock momentum is greater than a set threshold value; And
When this shock momentum is greater than this set threshold value, judge that this disturbing phenomenon occurs this touch-control device.
4. the track compensation method of touch-control input device according to claim 3, is characterized in that, this set threshold value should an average shock momentum of touch-control device decide mutually according in a predetermined time period.
5. the track compensation method of touch-control input device according to claim 4, is characterized in that, this set threshold value also determines because of resize ratio according to a people.
6. the track compensation method of touch-control input device according to claim 3, is characterized in that, also comprise the following steps:
Judge whether this shock momentum is greater than a both fixed-ratio of this set threshold value; And
Be greater than this set threshold value when this shock momentum this both fixed-ratio time, cancelling mutually should the compensation of contact trace.
7. the track compensation method of touch-control input device according to claim 1, is characterized in that, also comprises this contact trace after by compensation and shows.
8. a track bucking-out system for touch-control input device, is characterized in that, at least comprise:
One touch-control device, in order to detect a contact trace of a corresponding input tool on this touch-control device;
One sensing cell, mutually should at least one movement posture information of touch-control device in order to detecting; And
One processing unit, in order to according to mutually should this at least one this contact trace of movement posture information compensation of touch-control device, wherein, this processing unit is that calculate according to this at least one movement posture information mutually should a space vibration vector of touch-control device, this space vibration vector is converted to a two-dimensional migration vector according to a coordinate conversion matrix, and according to this this contact trace of two-dimensional migration vector compensation, wherein, this contact trace compensates according to following formula:
CL
n＝L
n-P[n]+e，
Wherein, CL
nthis contact trace after compensating,
It is this contact trace instantly on this touch-control device, e is a margin of error, and P [n] is this two-dimensional migration vector, n is time step, x [n] is one coordinate being contacted with touch-control device x-axis direction when time step n, and y [n] is the coordinate that this is contacted with touch-control device y-axis direction when time step n.
9. the track bucking-out system of touch-control input device according to claim 8, it is characterized in that, according to this at least one movement posture information, this processing unit also judges whether this touch-control device one disturbing phenomenon occurs, and when this disturbing phenomenon occurs this touch-control device, this processing unit is according to mutually should this at least one this contact trace of movement posture information compensation of touch-control device.
10. the track bucking-out system of touch-control input device according to claim 9, it is characterized in that, this processing unit is that calculate according to this at least one movement posture information mutually should a shock momentum of touch-control device, judge whether this shock momentum is greater than a set threshold value, and when this shock momentum is greater than this set threshold value, this processing unit judges that this disturbing phenomenon occurs this touch-control device.
The track bucking-out system of 11. touch-control input devices according to claim 10, is characterized in that, this set threshold value should an average shock momentum of touch-control device decide mutually according in a predetermined time period.
The track bucking-out system of 12. touch-control input devices according to claim 11, is characterized in that, this set threshold value also determines because of resize ratio according to a people.
The track bucking-out system of 13. touch-control input devices according to claim 10, it is characterized in that, this processing unit also judges whether this shock momentum is greater than a both fixed-ratio of this set threshold value, and be greater than this set threshold value when this shock momentum this both fixed-ratio time, this processing unit is cancelled mutually should the compensation of contact trace.
The track bucking-out system of 14. touch-control input devices according to claim 8, is characterized in that, also comprises a display unit, and this contact trace after compensation also shows through this display unit by this processing unit.
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Effective date of registration: 20220408 Address after: 26, 1 song Chi Road, Xinyi District, Taipei, Taiwan, China Patentee after: HANNSTAR DISPLAY Corp. Address before: Hsinchu County, Taiwan, China Patentee before: Industrial Technology Research Institute |