CN106249848A - Exchange method and equipment - Google Patents
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- CN106249848A CN106249848A CN201510463018.XA CN201510463018A CN106249848A CN 106249848 A CN106249848 A CN 106249848A CN 201510463018 A CN201510463018 A CN 201510463018A CN 106249848 A CN106249848 A CN 106249848A
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Abstract
This application provides a kind of exchange method and equipment, relate to Wearable device field.Described method includes: the finger in response to user performs a contact action to an object, obtains the photoplethysmographic PPG information of described finger；In described PPG information, determine that range value is less than the first point of first threshold, and range value is higher than the second point of Second Threshold；According at least to the time interval between described and described second point, determine the type of action of described contact action at first.Described method and apparatus, it is provided that new departure of a kind of type of action identification, is conducive to improving the interaction capabilities of Wearable.
Description
Technical field
The application relates to Wearable device field, particularly relates to a kind of exchange method and equipment.
Background technology
Along with the universal of electronic equipment and development, present electronic equipment is more and more intelligent.Its
In, electronic equipment is one of its intelligentized developing direction to the identification of user action.
Such as, by image recognition technology, some game stations can identify that user's is fairly simple
Gesture motion；The Wearable such as some intelligence rings can be identified by acceleration transducer
Whether user is currently walking about, it is possible to realize note step function.
Summary of the invention
The purpose of the application is: provide a kind of exchange method and equipment.
First aspect according at least one embodiment of the application, it is provided that a kind of exchange method,
Described method includes:
A finger in response to user performs a contact action to an object, obtains described finger
Photoplethysmographic PPG information；
In described PPG information, determine that range value is less than the first point of first threshold, and amplitude
Value is higher than the second point of Second Threshold；
According at least to the time interval between described first and described second point, determine described in connect
Touch the type of action made.
In conjunction with any one possible implementation of first aspect, in the realization side that the second is possible
In formula, described second point is that range value is higher than at least one point of described Second Threshold, is positioned at
The point that time interval after described first and with described first is minimum.
In conjunction with any one possible implementation of first aspect, in the realization side that the third is possible
In formula, described according at least to the time interval between described first and described second point, determine
The type of action of described contact action includes:
In response to described time interval less than one first with reference to interval, determine described contact action
Type of action be short by.
In conjunction with any one possible implementation of first aspect, the 4th kind of possible realization side
In formula, described method also includes:
In response to described type of action be short by, and before described contact action another contact
The type of action of action is also pressed for short, determine described contact action and another contact action described it
Between the second time interval；
Determine whether user performs according to described second time interval once to double-click.
In conjunction with any one possible implementation of first aspect, the 5th kind of possible realization side
In formula, described according at least to the time interval between described first and described second point, determine
The type of action of described contact action includes:
In response to described time interval more than one second with reference to interval, determine described contact action
Type of action is long contact.
In conjunction with any one possible implementation of first aspect, the 6th kind of possible realization side
In formula, described according at least to the time interval between described first and described second point, determine
The type of action of described contact action includes:
In response to described time interval more than one second with reference to interval, according to described first and institute
The PPG information stated between second point determines a heart rate value；
Belong to a target heart rate scope in response to described heart rate value, determine the dynamic of described contact action
Make type for long by.
In conjunction with any one possible implementation of first aspect, the 7th kind of possible realization side
In formula, described according at least to the time interval between described first and described second point, determine
The type of action of described contact action also includes:
It is not belonging to described target heart rate scope in response to described heart rate value, determines described contact action
Type of action for slide.
In conjunction with any one possible implementation of first aspect, the 8th kind of possible realization side
In formula, described target heart rate scope is 60-100 beat/min.
In conjunction with any one possible implementation of first aspect, the 9th kind of possible realization side
In formula, described method also includes:
Determine the input information that described type of action is corresponding.
In conjunction with any one possible implementation of first aspect, the tenth kind of possible realization side
In formula, described Second Threshold is higher than described first threshold.
Second aspect according at least one embodiment of the application, it is provided that a kind of exchange method,
Described method includes:
A finger in response to user performs a contact action to an object, obtains described finger
PPG information；
In described PPG information, determine that range value is less than the first point of first threshold, and amplitude
Value is higher than the second point of Second Threshold；
According at least to the time interval between described first and described second point, determine described in connect
Touch the duration made.
In conjunction with any one possible implementation of second aspect, in the realization side that the second is possible
In formula, described second point is that range value is higher than at least one point of described Second Threshold, is positioned at
The point that time interval after described first and with described first is minimum.
In conjunction with any one possible implementation of second aspect, in the realization side that the third is possible
In formula, the duration of described contact action is equal to described time interval.
In conjunction with any one possible implementation of second aspect, the 4th kind of possible realization side
In formula, described method also comprises determining that the input information that described duration is corresponding.
The third aspect according at least one embodiment of the application, it is provided that a kind of interactive device,
Described equipment includes:
One acquisition module, performs a contact action for the finger in response to user to an object,
Obtain the PPG information of described finger；
One first determines module, for determining that range value is less than the first threshold in described PPG information
First point of value, and range value is higher than the second point of Second Threshold；
One second determines module, for according at least between described first and described second point
Time interval, determines the type of action of described contact action.
In conjunction with any one possible implementation of the third aspect, in the realization side that the second is possible
In formula, described second determines module, for being less than one first reference in response to described time interval
Interval, determine the type of action of described contact action be short by.
In conjunction with any one possible implementation of the third aspect, in the realization side that the third is possible
In formula, described equipment also includes:
One the 3rd determines module, in response to described type of action be short by, and described in connect
The type of action touching another contact action before making also is pressed for short, determines described contact action
And the second time interval between described another contact action；
One the 4th determines module, for determining whether user performs according to described second time interval
Once double-click.
In conjunction with any one possible implementation of the third aspect, the 4th kind of possible realization side
In formula, described second determines module, is additionally operable in response to described time interval more than one second ginseng
Examine interval, determine that the type of action of described contact action is long contact.
In conjunction with any one possible implementation of the third aspect, the 5th kind of possible realization side
In formula, described second determines that module includes:
One heart rate value determines unit, between in response to described time interval more than one second reference
Every, determine a heart rate value according to the PPG information between described and described second point at first；
One type determining units, for belonging to a target heart rate scope in response to described heart rate value,
Determine the type of action of described contact action for long by.
In conjunction with any one possible implementation of the third aspect, the 6th kind of possible realization side
In formula, described type determining units, it is additionally operable to be not belonging to described making a reservation in response to described heart rate value
Heart rate range, determines that the type of action of described contact action is for sliding.
In conjunction with any one possible implementation of the third aspect, the 7th kind of possible realization side
In formula, described equipment also includes:
One the 5th determines module, for determining the input information that described type of action is corresponding.
Fourth aspect according at least one embodiment of the application, it is provided that a kind of interactive device,
Described equipment includes:
One acquisition module, performs a contact action for the finger in response to user to an object,
Obtain the PPG information of described finger；
One first determines module, for determining that range value is less than the first threshold in described PPG information
First point of value, and range value is higher than the second point of Second Threshold；
One second determines module, for according at least between described first and described second point
Time interval, determines the duration of described contact action.
In conjunction with any one possible implementation of fourth aspect, in the realization side that the second is possible
In formula, described equipment also includes:
One the 3rd determines module, for determining the input information that described duration is corresponding.
The 5th aspect according at least one embodiment of the application, it is provided that a kind of subscriber equipment,
Described equipment includes:
One memorizer, is used for storing instruction；
One processor, for performing the instruction of described memorizer storage, described instruction makes described
Processor operates below performing:
A finger in response to user performs a contact action to an object, obtains described finger
Photoplethysmographic PPG information；
In described PPG information, determine that range value is less than the first point of first threshold, and amplitude
Value is higher than the second point of Second Threshold；
According at least to the time interval between described first and described second point, determine described in connect
Touch the type of action made.
The 6th aspect according at least one embodiment of the application, it is provided that a kind of subscriber equipment,
Described equipment includes:
One memorizer, is used for storing instruction；
One processor, for performing the instruction of described memorizer storage, described instruction makes described
Processor operates below performing:
A finger in response to user performs a contact action to an object, obtains described finger
PPG information；
In described PPG information, determine that range value is less than the first point of first threshold, and amplitude
Value is higher than the second point of Second Threshold；
According at least to the time interval between described first and described second point, determine described in connect
Touch the duration made.
Exchange method described in the embodiment of the present application and equipment, in response to the finger of user to a pair
As performing a contact action, obtain the PPG information of described finger, in described PPG information
Determine that range value is less than the first point of first threshold, and range value is higher than the second of Second Threshold
Point, then according at least to the time interval between described and described second point, determines institute at first
State the type of action of contact action.Thus provide one and determine that contact is dynamic according to PPG information
The method of the type of action made, described method can sense with the PPG in multiplexing Wearable
Device, and be conducive to improving the interaction capabilities of Wearable.
Accompanying drawing explanation
Fig. 1 is the flow chart of exchange method described in one embodiment of the application；
Fig. 2 is the short PPG oscillogram on time of forefinger in one embodiment of the application；
Fig. 3 is forefinger length PPG oscillogram on time in one embodiment of the application；
PPG oscillogram when Fig. 4 is that in one embodiment of the application, forefinger slides；
Fig. 5 is the flow chart of exchange method described in another embodiment of the application；
Fig. 6 is the module map of interactive device described in one embodiment of the application；
Fig. 7 is the module map of interactive device described in one embodiment of the application；
Fig. 8 is the second module map determining module described in one embodiment of the application；
Fig. 9 is the module map of interactive device described in another embodiment of the application；
Figure 10 is the module map of interactive device described in another embodiment of the application；
Figure 11 is the module map of interactive device described in another embodiment of the application；
Figure 12 is the hardware architecture diagram of interactive device described in one embodiment of the application；
Figure 13 is the hardware architecture diagram of interactive device described in another embodiment of the application.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the application is made the most in detail
Explanation.Following example are used for illustrating the application, but are not limited to scope of the present application.
It will be appreciated by those skilled in the art that in embodiments herein, the sequence number of following each step
Size be not meant to the priority of execution sequence, the execution sequence of each step should with its function and
Internal logic determine, and the implementation process of the embodiment of the present application should not constituted any restriction.
Inventor finds in research process, when the finger of user perform such as to press, slip etc.
During action, can cause at this finger position gather PPG (photoplethysmographic,
PhotoPlethysmoGraphy) signal produces the change of obvious waveform.Based on this, the application
Described method can be according to the PPG information gathered at the finger action relevant information to finger
It is identified.
Fig. 1 is the flow chart of exchange method described in one embodiment of the application, and described method is permissible
Such as one interactive device realizes.As it is shown in figure 1, described method includes:
S120: the finger in response to user performs a contact action to an object, obtains described
The PPG information of finger；
S140: determine that in described PPG information range value is less than the first point of first threshold, with
And range value is higher than the second point of Second Threshold；
S160: according at least to the time interval between described first and described second point, determine
The type of action of described contact action.
Method described in the embodiment of the present application, an object execution one is connect by the finger in response to user
Touch and make, obtain the PPG information of described finger, in described PPG information, determine range value
Less than the first point of first threshold, and range value is higher than the second point of Second Threshold, the most extremely
Few according to the time interval between described first and described second point, determine described contact action
Type of action.Thus provide a kind of action class determining contact action according to PPG information
The method of type, described method can be with the PPG sensor in multiplexing Wearable, and favorably
In the interaction capabilities improving Wearable.
Below with reference to detailed description of the invention, describe described step S120, S140 and S160 in detail
Function.
S120: the finger in response to user performs a contact action to an object, obtains described
The PPG information of finger.
Wherein, described finger can be arbitrary finger of user, such as forefinger, thumb etc..Institute
Stating object can be an arbitrary interface contacted, and can be such as display screen, any material
Desktop, the back side of mobile phone, the surface etc. of glass.Described contact action can be such as pressing,
Slide.
Fig. 2 be in one embodiment of the application forefinger short by an object time collect PPG letter
The oscillogram of breath, wherein the waveform in dashed rectangle is corresponding short by the waveform of action, can see
Arrive, when user is short on time, the range value of PPG waveform can be caused to reduce, when being reduced to a ripple
It is gradually increasing again after paddy, declines again after rising to a typical peak point, then recover to not pressing
Waveform during pressure.PPG ripple when the range value of described typical peak point is substantially equal to not press
The range value of the crest of shape.
Fig. 3 be in one embodiment of the application forefinger length by an object time collect PPG letter
The oscillogram of breath, wherein the waveform in dashed rectangle is corresponding long by the waveform of action, can see
Arrive, when a user long presses, the range value of PPG waveform can be caused to reduce, when being reduced to a ripple
It is gradually increasing again after paddy, declines again after rising to a sub-peak point, rise to the next one the most again
Sub-peak point declines again, so repeats, during until forefinger leaves described object, and described PPG
Waveform can rise to a typical peak point, then recovers to waveform when not pressing.Described
Sub-peak point is the crest that range value is less than typical peak point.
Fig. 4 is that in one embodiment of the application, forefinger collects when sliding on an object
The oscillogram of PPG information, wherein the waveform in dashed rectangle is the waveform of corresponding sliding action,
It will be seen that when starting to press described object before user slides, PPG waveform can be caused
Range value reduces, and is gradually increasing again, when rising to a standard valley point after being reduced to a trough
Time, along with the slip of forefinger, its range value substantially maintains near described standard valley point, slightly
Having fluctuation, its waveform is without evident regularity, during until forefinger leaves described object, and described PPG
Waveform can rise to a typical peak point, then recovers to waveform when not pressing.Described
The range value of the trough of PPG waveform when the range value of standard valley point is substantially equal to not press.
It will be seen that when user performs in above-mentioned different course of action, obtained PPG letter
The waveform of breath has significantly difference, and the application is based on this principle and realizes user action class
The identification of type.
S140: determine that in described PPG information range value is less than the first point of first threshold, with
And range value is higher than the second point of Second Threshold.
Wherein, described first threshold the most substantially drops for the range value detecting described PPG information
Low, it can determine according to the trough range value of PPG waveform when not pressing, i.e. described
First threshold is significantly lower than described trough range value, such as by PPG waveform when not pressing
Trough range value deduct the amplitude that the peak amplitude of PPG waveform when not pressing is worth to
Value is as described first threshold.Described Second Threshold is for detecting the amplitude of described PPG information
Value the most substantially rises after substantially reducing, and it can be according to PPG waveform when not pressing
Peak amplitude value determine, such as by the peak amplitude value of PPG waveform when not pressing
80% is defined as described Second Threshold.
It will be appreciated by those skilled in the art that described Second Threshold should be higher than described first threshold.
It addition, it will be appreciated by those skilled in the art that and may obtain multiple according to described first threshold
Meet the first point of condition, such as, Fig. 2 assuming, described first threshold is th1, the most permissible
The point obtained between d1 to d2 is satisfied by condition, according to the above-mentioned any point meeting condition
Realize herein described method.But, in order to improve the arithmetic speed of described method, the most also
In order to improve the real-time process performance of described method, may further require that be low at described first
In first sampled point of described first threshold, may thereby determine that in Fig. 2 below d1 point
First sampled point is described first point.
The more second point meeting condition may be obtained according to described Second Threshold, such as scheme
In 2, it is assumed that described Second Threshold is th2, then can obtain multiple interval: between u1 to u2,
Between u3 to u4, between u5 to u6 etc., the point in the plurality of interval is satisfied by condition, root
Herein described method all can be realized according to the above-mentioned any point meeting condition.Described step S140
Can select from multiple second points meeting condition in some interval according to a pre-defined rule
One.Such as, in order to simplify the amount of calculation of described method and improve real-time process performance, permissible
Between u1 to u2, select first point higher than described Second Threshold after described first
As described second point, the most described second point is that range value is higher than at least the one of described Second Threshold
In individual point, it is positioned at the point that the time interval after described first and with described first is minimum.
In this case, as a example by Fig. 2, it may be determined that first sampled point above u1 point in figure
For described second point.
It will be appreciated by those skilled in the art that described pre-defined rule can also be select between u3 to u4,
Between u5 to u6 or more posteriorly any is as described second point, in this case, in fact
Be equivalent to move several PPG cycles, to select u3 in Fig. 2 after on the basis of afore-mentioned
As a example by first sampled point above Dian, it is equivalent to first sampled point above u1 point
Move 1 PPG cycle after on the basis of.
S160: according at least to the time interval between described first and described second point, determine
The type of action of described contact action.
In the application, described type of action can include short contacting by with long.Described short press press
The pressure time can be less than a predetermined value, such as 1 second；Accordingly, during the contact that described length contacts
Between can be more than a predetermined value, can also be such as 1 second.It addition, described long contact can be entered
One step is divided into be grown by and slides.
In one embodiment, described step S160 may include that
S161: in response to described time interval less than one first with reference to interval, determine described contact
The type of action of action be short by.
Wherein, described first is the reference for distinguishing described contact action type with reference to interval
Time value, it can be configured according to the use habit of user, such as could be arranged to 1 second.
As a example by waveform shown in Fig. 2, it is assumed that by calculating the time found between and second point at first
It is spaced apart 0.5 second, less than described first with reference to being spaced 1 second, such that it is able to judge described contact
The type of action of action be short by.
For the sake of Jian Dan, described first in the application is all to be u1 with described second point with reference to interval
It is configured premised on point between u2.It will be appreciated by those skilled in the art that when selecting u3 to arrive
Point between u4, between u5 to u6 or more posteriorly is as described second point, described first ginseng
Examining interval can be by increasing several PPG cycle to be adjusted, such as, it is assumed that select
In Fig. 2, the point between u3 to u4 is second point, and the most described first can be by increasing with reference to interval
Adding 1 PPG cycle is adjusted.It will be appreciated by those skilled in the art that user is passing through action
Carry out in interactive process, also frequently use double-click, double-click and in fact can be divided into continuously
Press for short twice.Therefore, in one embodiment, described method can also include:
S170: be short by, and another before described contact action in response to described type of action
The type of action of one contact action is also pressed for short, determines that described contact action contacts with described another
The second time interval between action；
S180: determine whether user performs according to described second time interval and once double-click.
Wherein, the type of action of another contact action described can be according to identifying described contact action
The identical mode of type of action complete.During it is to say, described method can remember the last period
Interior type of action recognition result, for the user action that comprehensive descision is current.
In described step S180, described second time interval and one can be double-clicked interval and carry out
Relatively, so judge short twice of user by whether being continuous action, i.e. double-click.Described double-click
Interval can be configured according to the use habit of user, such as could be arranged to 0.5 second, from
And if described second time interval is less than described interval of double-clicking, then can identify that user performs
Once double-click, otherwise, can identify that user performs short twice respectively and presses.
In one embodiment, described step S160 can also include:
S162: in response to described time interval more than one second with reference to interval, determine described contact
The type of action of action is long contact.
Wherein, described second with reference to interval can and described first identical, or also with reference to interval
Can be more than described first with reference to interval.For the sake of Jian Dan, between described second reference in the application
It is configured premised on being also the point between described second point u1 to u2.Art technology
Personnel understand, when selecting some conduct between u3 to u4, between u5 to u6 or more posteriorly
Described second point, described second with reference to interval can also by increase several PPG cycle with
It is adjusted.
Described long contact refers to be more than the contact action at described second reference interval time of contact, than
As can be long by or slide.As a example by Fig. 3 and Fig. 4, it can be seen that when user performs
When length is pressed or slides, described time interval can be longer than short time interval on time.
In some cases, described method can directly according to the determination result of described step S162,
Input the input information that described long contact is corresponding；In other cases, described method is also possible to
Need to further discriminate between described length to contact, such as determine whether to grow by or slide.
In one embodiment, described step S160 can also include:
S1621: in response to described time interval more than described second with reference to interval, according to described
PPG information between first and described second point determines a heart rate value；
S1622: belong to a target heart rate scope in response to described heart rate value, determine described contact
The type of action of action is pressed for long.
As a example by Fig. 3, the PPG information between described first and described second point can be corresponding
PPG waveform between v point and p point in Fig. 3, it can be seen that this portion waveshape is mainly
The range value of crest reduces, and the most still shows obvious periodic regularity, and it is periodically advised
Rule has obvious concordance with the periodic regularity of PPG information when not pressing.Inventor
Research finds, according to the calculated heart rate value of this portion waveshape in normal heart rate interval,
Such as, the heart rate value obtained according to PPG waveshape between v point and p point in Fig. 3 is
89.Meanwhile, comparison diagram 4, it can be seen that PPG waveform between v point and p point in Fig. 4,
Peak amplitude value is also obviously reduced, and waveform is mixed and disorderly.Inventor studies discovery, according to this portion
The calculated heart rate value of partial wave shape is not in normal heart rate interval, such as, according in Fig. 4
The heart rate value that PPG waveshape between v point and p point obtains is 201.Based on above-mentioned principle,
It is to grow by or slide that described method can distinguish the type of action of described contact action.
In described step S1621, institute can be calculated according to any one existing PPG algorithm of heart rate
State heart rate value, such as, the PPG letter between described and described second point can be inputted at first
Breath, utilizes summit to find function and finds out the crest summit of effective PPG information, then calculate
Going out the time difference that unit is the second of adjacent vertex, the inverse obtaining difference afterwards is multiplied by 60 i.e.
The heart rate value of user can be drawn.
In described step S1622, described target heart rate scope can be carried out according to the state of user
Arranging, the most in most of the cases, i.e. user is static or described pre-in the case of experiencing small oscillating movements
Centering rate may range from 60-100 beat/min；And after user strenuous exercise, such as run
Later, described target heart rate may range from 100-180 beat/min.
In another embodiment, described step S160 can also include:
S1623: be not belonging to described target heart rate scope in response to described heart rate value, determines described
The type of action of contact action is for sliding.
In another embodiment, described method can also include:
S190: determine the input information that described type of action is corresponding.
Wherein, the corresponding relation between described type of action and described input information can be in advance
Determining, its corresponding relation can be as shown in table 1.Assume intelligence ring and an intelligent glasses
Communicating, intelligence ring obtains the type of action of user and then controls described intelligent glasses, in intelligence
Can ring recognize one long by the case of, it can control intelligent glasses and open APP (application)
Select menu；In the case of bracelet recognizes a sliding action of user, intelligent glasses performs
One page turn over operation, i.e. shows next APP in its display window；When bracelet recognizes user's
One short by action in the case of, currently displaying APP is selected.Relation table shown in table 1
Can be stored in advance in as inside the described intelligence Wearable such as ring, and say in its use
Bright book can provide such relation table, in order to instruct and train user by similar table 1
Action executing order input accordingly.
Table 1
| Type of action | Input information |
| Short press | Choose order |
| Length is pressed | Open menu |
| Slide | Page turning |
Additionally, the embodiment of the present application also provides for a kind of computer-readable medium, it is included in and is performed
The computer-readable instruction of below Shi Jinhang operation: perform in above-mentioned Fig. 1 illustrated embodiment
Step S120 of method, the operation of S140 and S160.
To sum up, method described in the embodiment of the present application, can believe according to the PPG at user's finger
Breath identifies the type of action of described finger, and then can set to corresponding electronics according to recognition result
Standby input information, such that it is able to defeated to corresponding electronic equipment using user's body as inputting interface
Enter information, improve the input capability of Wearable etc., improve Consumer's Experience.
Fig. 5 is the flow chart of exchange method described in another embodiment of the application, and described method can
To realize on such as another interactive device.As it is shown in figure 5, described method includes:
S520: the finger in response to user performs a contact action to an object, obtains described
The PPG information of finger；
S540: determine that in described PPG information range value is less than the first point of first threshold, with
And range value is higher than the second point of Second Threshold；
S560: according at least to the time interval between described first and described second point, determine
The duration of described contact action.
Method described in the embodiment of the present application, an object execution one is connect by the finger in response to user
Touch and make, obtain the photoplethysmographic PPG information of described finger, believe at described PPG
Breath determining, range value is less than the first point of first threshold, and range value is higher than Second Threshold
Second point, then according at least to the time interval between described first and described second point, really
The duration of fixed described contact action.Thus provide one and determine that contact is dynamic according to PPG information
The method of duration made, described method can with the PPG sensor in multiplexing Wearable,
And be conducive to improving the interaction capabilities of Wearable.
The principle that realizes of described step S520 and S540 can be with step described in a upper embodiment
S120 with S140 to realize principle identical, here is omitted.
In described step S540, in one embodiment, described second point is that range value is high
In at least one point of described Second Threshold, after being positioned at described first and with described first
The point that the time interval of point is minimum.In such a case, it is possible to directly determine described contact action
Duration equal to described time interval.
Of coursing, in order to improve the enforcement process performance of described method, described first can be
Range value is less than first sampled point of first threshold, and described second point can be that range value is higher than
In at least one point of described Second Threshold, it is positioned at first employing point after described first.
Be similar to an embodiment, described second point can also be such as in Fig. 2 u3 to u4 it
Between or u5 to u6 between point, when taking these, in fact at described contact action
Several PPG cycles are added, therefore, as long as described obtained on the basis of duration
Time interval a little and between described second point deducts the PPG cycle of respective numbers,
Such as assume that described second point takes in Fig. 2 point between u3 to u4, then can be by described first point
With the time interval between described second point deducts 1 PPG cycle, to determine described contact
The duration of action.
In another embodiment, described method can also include:
S570: determine the input information that described duration is corresponding.
Wherein, the corresponding relation between described duration and described input information can be predetermined
, such as, when described duration was less than 1 second, input a control command；Grow up when described
In 1 second, input another control command.
It addition, in actual applications, described duration can also combine with type of action, with group
Close out more input information.Such as, as a example by sliding, when slip duration is more than within 1 second, being less than
When 1.5 seconds, page 1 order is turned in input；When slip duration was more than 1.5 seconds, page 2 are turned in input
Order.
Additionally, the embodiment of the present application also provides for a kind of computer-readable medium, it is included in and is performed
The computer-readable instruction of below Shi Jinhang operation: perform in above-mentioned Fig. 5 illustrated embodiment
Step S520 of method, the operation of S540 and S560.
To sum up, method described in the embodiment of the present application, can believe according to the PPG at user's finger
Breath identifies the action duration of described finger, and then can set to corresponding electronics according to recognition result
Standby input information, such that it is able to defeated to corresponding electronic equipment using user's body as inputting interface
Enter information, improve the input capability of Wearable etc., improve Consumer's Experience.
Fig. 6 is the modular structure schematic diagram of interactive device described in one embodiment of the invention, described
Interactive device can be arranged at as a functional module in the Wearable device such as intelligence ring,
Certainly also can be as an independent Wearable device for user.As shown in Figure 6, institute
State equipment 600 may include that
One acquisition module 610, contacts for one object being performed one in response to a finger of user
Action, obtains the PPG information of described finger；
One first determines module 620, for determining that in described PPG information range value is less than the
First point of one threshold value, and range value is higher than the second point of Second Threshold；
One second determines module 630, for according at least to described first and described second point it
Between time interval, determine the type of action of described contact action.
Equipment described in the embodiment of the present application, an object execution one is connect by the finger in response to user
Touch and make, obtain the PPG information of described finger, in described PPG information, determine range value
Less than the first point of first threshold, and range value is higher than the second point of Second Threshold, the most extremely
Few according to the time interval between described first and described second point, determine described contact action
Type of action.Thus provide a kind of action class determining contact action according to PPG information
The equipment of type, described equipment can be with the PPG sensor in multiplexing Wearable, and favorably
In the interaction capabilities improving Wearable.
Below with reference to detailed description of the invention, describe in detail described acquisition module 610, described
One determines that module 620 and described second determines the function of module 630.
Described acquisition module 610, connects for one object being performed one in response to a finger of user
Touch and make, obtain the PPG information of described finger.
Wherein, described finger can be arbitrary finger of user, such as forefinger, thumb etc..Institute
Stating object can be an arbitrary interface contacted, and can be such as display screen, any material
Desktop, the back side of mobile phone, the surface etc. of glass.Described contact action can be such as pressing,
Slide.
Described first determines module 620, for determining that range value is less than in described PPG information
First point of first threshold, and range value is higher than the second point of Second Threshold.
Wherein, described first threshold the most substantially drops for the range value detecting described PPG information
Low, it can determine according to the trough range value of PPG waveform when not pressing, i.e. described
First threshold is significantly lower than described trough range value, such as by PPG waveform when not pressing
Trough range value deduct the amplitude that the peak amplitude of PPG waveform when not pressing is worth to
Value is as described first threshold.
Described Second Threshold for detecting the range value of described PPG information is after substantially reducing
No obvious rising, it can determine according to the peak amplitude value of PPG waveform when not pressing,
Such as it is defined as described second by the 80% of the peak amplitude value of PPG waveform when not pressing
Threshold value.
It will be appreciated by those skilled in the art that described Second Threshold should be higher than described first threshold.
It addition, it will be appreciated by those skilled in the art that and may obtain multiple according to described first threshold
Meet the first point of condition, such as, Fig. 2 assuming, described first threshold is th1, the most permissible
The point obtained between d1 to d2 is satisfied by condition, according to the above-mentioned any point meeting condition
Realize herein described equipment.But, in order to improve the calculating speed of described equipment, the most also
Be conducive to improving the real-time process performance of described equipment, may further require that be at described first
First sampled point less than described first threshold.
The more second point meeting condition may be obtained according to described Second Threshold, such as scheme
In 2, it is assumed that described Second Threshold is th2, then can obtain between u1 to u2, u3 to u4
Between, point etc. between u5 to u6 be satisfied by condition, according to the above-mentioned any point meeting condition
All can realize herein described equipment.But, in order to improve described equipment arithmetic speed and
In real time process performance, can select after described first first higher than described Second Threshold
Point is as described second point, and the most described second point is that range value is higher than described Second Threshold at least
In one point, it is positioned at the point that the time interval after described first and with described first is minimum.
It will be appreciated by those skilled in the art that described equipment can also select between u3 to u4, u5 arrives
Point between u6 or more posteriorly, as described second point, in this case, is equivalent in fact
Move several PPG cycles after on the basis of afore-mentioned, to select in Fig. 2 as a example by p ' point,
It is equivalent to move 1 PPG cycle after on the basis of p point.
Described second determines module 630, for according at least to described first and described second point
Between time interval, determine the type of action of described contact action.
In the application, described type of action can include short contacting by with long.Described short press press
The pressure time can be less than a predetermined value, such as 1 second；Accordingly, during the contact that described length contacts
Between can be more than a predetermined value, can also be such as 1 second.It addition, described long contact can be entered
One step is divided into be grown by and slides.
In one embodiment, described second determines module 630, in response to time described
Between interval less than one first with reference to interval, determine the type of action of described contact action be short by.
Wherein, described first is the reference for distinguishing described contact action type with reference to interval
Time value, it can be configured according to the use habit of user, such as could be arranged to 1 second.
As a example by waveform shown in Fig. 2, it is assumed that find between first v and second point p by calculating
Time interval is 0.5 second, less than described first with reference to being spaced 1 second, such that it is able to judge described
The type of action of contact action be short by.
For the sake of Jian Dan, described first in the application is all to be u1 with described second point with reference to interval
It is configured premised on point between u2.It will be appreciated by those skilled in the art that when selecting u3 to arrive
Point between u4, between u5 to u6 or more posteriorly is as described second point, between described reference
Every can be by increasing several PPG cycle to be adjusted.
It will be appreciated by those skilled in the art that user is carrying out in interactive process by action, also
Often use double-click, double-click in fact can be divided into short twice of continuous print by.Therefore, one
Planting in embodiment, see Fig. 7, described equipment 600 also includes:
One the 3rd determines module 640, for being short by, and institute in response to described type of action
The type of action of another contact action before stating contact action also for short by, determine described contact
The second time interval between action and another contact action described；
One the 4th determines module 650, for whether determining user according to described second time interval
Perform and once double-click.
Wherein, the type of action of another contact action described can be according to identifying described contact action
The identical mode of type of action complete.During it is to say, described method can remember the last period
Interior type of action recognition result, for the user action that comprehensive descision is current.
Described 4th determines module 650, described second time interval and one can be double-clicked interval
Compare, so judge short twice of user by whether being continuous action, i.e. double-click.Described
Double-click interval to be configured according to the use habit of user, such as could be arranged to 0.5 second,
If thus described second time interval double-clicks interval less than described, then can identify that user performs
Once double-click, otherwise, can identify that user performs short twice respectively and presses.
In one embodiment, described second determines module 630, is additionally operable in response to described
Time interval with reference to interval, determines that the type of action of described contact action connects for long more than one second
Touch.
Wherein, described long contact refers to that being more than described second time of contact moves with reference to the contact being spaced
Make, can be such as to grow by or slide.As a example by Fig. 3 and Fig. 4, it can be seen that when with
When family executive chairman presses or slides, described time interval can be significantly than short time interval on time
Long.
In some cases, described equipment directly can determine module 630 really according to described second
Determine result, input the input information that described long contact is corresponding；In other cases, set described in
Standby it may also be desirable to further discriminates between described long contact, such as determine whether long by or sliding
Dynamic.Therefore, in one embodiment, seeing Fig. 8, described second determines that module 630 is wrapped
Include:
One heart rate value determines unit 6321, for being more than described second in response to described time interval
With reference to interval, determine wholeheartedly according to the PPG information between described first and described second point
Rate value；
One type determining units 6322, for belonging to a target heart rate model in response to described heart rate value
Enclose, determine the type of action of described contact action for long by.
Described heart rate value determines in unit 6321, can be according to any one existing PPG heart rate
Algorithm calculates described heart rate value, such as, can input between described first and described second point
PPG information, utilize summit to find function and find out the crest summit of effective PPG information,
Then calculating the time difference that unit is the second of adjacent vertex, the inverse obtaining difference afterwards is taken advantage of
With 60 heart rate values that can draw user.
In described type determining units 6322, described target heart rate scope can be according to user's
State is configured, and the most in most of the cases, i.e. user is static or experiencing small oscillating movements situation
Under described target heart rate may range from 60-100 beat/min；And after user strenuous exercise,
After such as running, described target heart rate may range from 100-180 beat/min.
In another embodiment, described type determining units 6322, it is additionally operable in response to institute
State heart rate value and be not belonging to described target heart rate scope, determine that the type of action of described contact action is
Slide.
In another embodiment, seeing Fig. 9, described equipment 600 also includes:
One the 5th determines module 660, for determining the input information that described type of action is corresponding.
Wherein, the corresponding relation between described type of action and described input information can be in advance
Determining, its corresponding relation can be as shown in table 1.
Figure 10 is the modular structure schematic diagram of interactive device described in another embodiment of the present invention,
Described interactive device can be arranged at as a functional module that intelligence ring etc. is wearable to be set
In Bei, the most also can be as an independent Wearable device for user.Such as Figure 10
Shown in, described equipment 1000 may include that
One acquisition module 1010, contacts for one object being performed one in response to a finger of user
Action, obtains the PPG information of described finger；
One first determines module 1020, for determining that range value is less than in described PPG information
First point of first threshold, and range value is higher than the second point of Second Threshold；
One second determines module 1030, for according at least to described first and described second point it
Between time interval, determine the duration of described contact action.
Equipment described in the embodiment of the present application, an object execution one is connect by the finger in response to user
Touch and make, obtain the photoplethysmographic PPG information of described finger, believe at described PPG
Breath determining, range value is less than the first point of first threshold, and range value is higher than Second Threshold
Second point, then according at least to the time interval between described first and described second point, really
The duration of fixed described contact action.Thus provide one and determine that contact is dynamic according to PPG information
The equipment of duration made, described equipment can with the PPG sensor in multiplexing Wearable,
And be conducive to improving the interaction capabilities of Wearable.
Described acquisition module 1010 and described first determines that the principle that realizes of module 1020 can be with
Described in a upper embodiment, first determines that module 520 and described first determines the realization of module 520
Principle is identical, and here is omitted.
Described second determines in module 1030, and in one embodiment, described second point is
Range value higher than at least one point of described Second Threshold, be positioned at described after first and with
The point that the time interval of described first is minimum.In such a case, it is possible to directly determine described
The duration of contact action is equal to described time interval.
Be similar to an embodiment, described second point can also be such as in Fig. 2 u3 to u4 it
Between or u5 to u6 between point, when taking these, in fact at described contact action
Several PPG cycles are added, therefore, as long as described obtained on the basis of duration
Time interval a little and between described second point deducts the PPG cycle of respective numbers,
Such as assume that described second point takes p ' point in Fig. 2, then can be by described first and described second
Time interval between point deducts 1 PPG cycle, to determine the duration of described contact action.
In one embodiment, seeing Figure 11, described equipment 1000 also includes:
One the 3rd determines module 1040, for determining the input information that described duration is corresponding.
Wherein, the corresponding relation between described duration and described input information can be predetermined
, such as, when described duration was less than 1 second, input a control command；Grow up when described
In 1 second, input another control command.
It addition, in actual applications, described duration can also combine with type of action, with group
Close out more input information.Such as, as a example by sliding, when slip duration is more than within 1 second, being less than
When 1.5 seconds, page 1 order is turned in input；When slip duration was more than 1.5 seconds, page 2 are turned in input
Order.
The hardware configuration of interactive device described in one embodiment of the application is as shown in figure 12.This Shen
Described interactive device please not implemented and limits by specific embodiment, see Figure 12,
Described equipment 1200 may include that
Processor (processor) 1210, communication interface (Communications Interface) 1220,
Memorizer (memory) 1230, and communication bus 1240.Wherein:
Processor 1210, communication interface 1220, and memorizer 1230 passes through communication bus
1240 complete mutual communication.
Communication interface 1220, is used for and other net element communications.
Processor 1210, is used for the program that performs 1232, specifically can perform shown in above-mentioned Fig. 1
Embodiment of the method in correlation step.
Specifically, program 1232 can include that program code, described program code include calculating
Machine operational order.
Processor 1210 is probably a central processor CPU, or specific integrated circuit
ASIC (Application Specific Integrated Circuit), or be configured to implement
One or more integrated circuits of the embodiment of the present application.
Memorizer 1230, is used for program of depositing 1232.Memorizer 1230 may comprise at a high speed
RAM memory, it is also possible to also include nonvolatile memory (non-volatile memory),
For example, at least one disk memory.Program 1232 specifically can perform following steps:
A finger in response to user performs a contact action to an object, obtains described finger
Photoplethysmographic PPG information；
In described PPG information, determine that range value is less than the first point of first threshold, and amplitude
Value is higher than the second point of Second Threshold；
According at least to the time interval between described first and described second point, determine described in connect
Touch the type of action made.
In program 1232, each step implements the corresponding step that may refer in above-described embodiment
Rapid or module, is not repeated herein.Those skilled in the art it can be understood that arrive, for
The convenience that describes and succinct, the equipment of foregoing description and the specific works process of module, Ke Yican
State the corresponding process in embodiment of the method before examination to describe, do not repeat them here.
The hardware configuration of interactive device described in another embodiment of the application is as shown in figure 13.This
Described interactive device is not implemented and limits by application specific embodiment, sees Figure 13,
Described equipment 1300 may include that
Processor (processor) 1310, communication interface (Communications Interface) 1320,
Memorizer (memory) 1330, and communication bus 1340.Wherein:
Processor 1310, communication interface 1320, and memorizer 1330 passes through communication bus
1340 complete mutual communication.
Communication interface 1320, is used for and other net element communications.
Processor 1310, is used for the program that performs 1332, specifically can perform shown in above-mentioned Fig. 1
Embodiment of the method in correlation step.
Specifically, program 1332 can include that program code, described program code include calculating
Machine operational order.
Processor 1310 is probably a central processor CPU, or specific integrated circuit
ASIC (Application Specific Integrated Circuit), or be configured to implement
One or more integrated circuits of the embodiment of the present application.
Memorizer 1330, is used for program of depositing 1332.Memorizer 1330 may comprise at a high speed
RAM memory, it is also possible to also include nonvolatile memory (non-volatile memory),
For example, at least one disk memory.Program 1332 specifically can perform following steps:
A finger in response to user performs a contact action to an object, obtains described finger
PPG information；
In described PPG information, determine that range value is less than the first point of first threshold, and amplitude
Value is higher than the second point of Second Threshold；
According at least to the time interval between described first and described second point, determine described in connect
Touch the duration made.
In program 1332, each step implements the corresponding step that may refer in above-described embodiment
Rapid or module, is not repeated herein.Those skilled in the art it can be understood that arrive, for
The convenience that describes and succinct, the equipment of foregoing description and the specific works process of module, Ke Yican
State the corresponding process in embodiment of the method before examination to describe, do not repeat them here.
Those of ordinary skill in the art are it is to be appreciated that combine the embodiments described herein and retouch
The unit of each example stated and method step, it is possible to electronic hardware or computer software and
Being implemented in combination in of electronic hardware.These functions perform with hardware or software mode actually,
Depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can be to often
Individual specifically should being used for uses different methods to realize described function, but this realization is not
It is considered as beyond scope of the present application.
If described function realizes and as independent product pin using the form of SFU software functional unit
When selling or use, can be stored in a computer read/write memory medium.Based on such
Understand, part that prior art is contributed by the technical scheme of the application the most in other words or
The part of this technical scheme of person can embody with the form of software product, this computer software
Product is stored in a storage medium, including some instructions with so that a computer equipment
(can be personal computer, controller, or the network equipment etc.) performs the application, and each is real
Execute all or part of step of method described in example.And aforesaid storage medium includes: USB flash disk, shifting
Dynamic hard disk, read only memory (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
Embodiment of above is merely to illustrate the application, and not restriction to the application, relevant
The those of ordinary skill of technical field, in the case of without departing from spirit and scope,
Can also make a variety of changes and modification, the technical scheme of the most all equivalents falls within the application
Category, the scope of patent protection of the application should be defined by the claims.
Claims (10)
1. an exchange method, it is characterised in that described method includes:
A finger in response to user performs a contact action to an object, obtains described finger
Photoplethysmographic PPG information；
In described PPG information, determine that range value is less than the first point of first threshold, and amplitude
Value is higher than the second point of Second Threshold；
According at least to the time interval between described first and described second point, determine described in connect
Touch the type of action made.
2. the method for claim 1, it is characterised in that described second point is amplitude
Value is higher than at least one point of described Second Threshold, after being positioned at described first and with described
The point that the time interval of first is minimum.
3. an exchange method, it is characterised in that described method includes:
A finger in response to user performs a contact action to an object, obtains described finger
PPG information；
In described PPG information, determine that range value is less than the first point of first threshold, and amplitude
Value is higher than the second point of Second Threshold；
According at least to the time interval between described first and described second point, determine described in connect
Touch the duration made.
4. method as claimed in claim 3, it is characterised in that described second point is amplitude
Value is higher than at least one point of described Second Threshold, after being positioned at described first and with described
The point that the time interval of first is minimum.
5. an interactive device, it is characterised in that described equipment includes:
One acquisition module, performs a contact action for the finger in response to user to an object,
Obtain the PPG information of described finger；
One first determines module, for determining that range value is less than the first threshold in described PPG information
First point of value, and range value is higher than the second point of Second Threshold；
One second determines module, for according at least between described first and described second point
Time interval, determines the type of action of described contact action.
6. equipment as claimed in claim 5, it is characterised in that described second determines module,
For being spaced less than one first reference in response to described time interval, determine described contact action
Type of action be short by.
7. an interactive device, it is characterised in that described equipment includes:
One acquisition module, performs a contact action for the finger in response to user to an object,
Obtain the PPG information of described finger；
One first determines module, for determining that range value is less than the first threshold in described PPG information
First point of value, and range value is higher than the second point of Second Threshold；
One second determines module, for according at least between described first and described second point
Time interval, determines the duration of described contact action.
8. a Wearable device, it is characterised in that described Wearable device includes power
Profit requires the interactive device described in 5 to 7 any one.
9. a subscriber equipment, it is characterised in that described subscriber equipment includes:
One memorizer, is used for storing instruction；
One processor, for performing the instruction of described memorizer storage, described instruction makes described
Processor operates below performing:
A finger in response to user performs a contact action to an object, obtains described finger
Photoplethysmographic PPG information；
In described PPG information, determine that range value is less than the first point of first threshold, and amplitude
Value is higher than the second point of Second Threshold；
According at least to the time interval between described first and described second point, determine described in connect
Touch the type of action made.
10. a subscriber equipment, it is characterised in that described subscriber equipment includes:
One memorizer, is used for storing instruction；
One processor, for performing the instruction of described memorizer storage, described instruction makes described
Processor operates below performing:
A finger in response to user performs a contact action to an object, obtains described finger
PPG information；
In described PPG information, determine that range value is less than the first point of first threshold, and amplitude
Value is higher than the second point of Second Threshold；
According at least to the time interval between described first and described second point, determine described in connect
Touch the duration made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510463018.XA CN106249848B (en) | 2015-07-31 | 2015-07-31 | Exchange method and equipment |
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|---|---|---|---|
| CN201510463018.XA CN106249848B (en) | 2015-07-31 | 2015-07-31 | Exchange method and equipment |
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| CN114112134A (en) * | 2021-11-26 | 2022-03-01 | 歌尔光学科技有限公司 | Pressure detection method, electronic device and computer-readable storage medium |
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| CN106249848B (en) | 2019-02-19 |
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