CN106020564A - Method and device for PPG information detection - Google Patents
Method and device for PPG information detection Download PDFInfo
- Publication number
- CN106020564A CN106020564A CN201510110316.0A CN201510110316A CN106020564A CN 106020564 A CN106020564 A CN 106020564A CN 201510110316 A CN201510110316 A CN 201510110316A CN 106020564 A CN106020564 A CN 106020564A
- Authority
- CN
- China
- Prior art keywords
- display screen
- user
- subregion
- optical signal
- target area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Position Input By Displaying (AREA)
Abstract
The invention provides a method and a device for PPG information detection, and relates to the field of electronic devices. The method comprises: responding to that at least a part of a user body contacts a display screen, determining a target region on the display screen, the target region comprising a sending sub-region and a receiving sub-region; controlling the sending sub-region to send a first optical signal; controlling the receiving sub-region to receive a second optical signal which is formed by reflection or transmission of the first optical signal; and according to the second optical signal, determining PPG information of a user. Based on the method and the device, the user can place the detection position of the user body on any position of the display screen. The method and the device can adaptively set the corresponding target region as a detection region, so as to improve detection flexibility and detection efficiency.
Description
Technical field
The application relates to electronic device field, particularly relates to a kind of PPG information detecting method and sets
Standby.
Background technology
Along with the development of electronic equipment and people are for healthy concern, present electronic equipment
More integrated health monitoring modules.Such as, some smart mobile phones and wearable set at present
For being all integrated with PPG detection module, for detecting the PPG information of user.
Fig. 1 illustrates a kind of PPG detection method, and its principle is that the light that sends of illuminating part is at warp
After crossing finger tip reflection, light accepting part detect intensity of reflected light.Owing to light can be had absorption to make by blood
With, the intensity of reflection light can produce change along with heartthrob.By measuring reflection light
Intensity can obtain PPG information.Certainly, at some in other implementation, it is also possible to
PPG information is obtained according to the light intensity after finger tip transmission.
Existing PPG detection method is desirable that user's body, and such as finger is placed into specific
Region just can complete detection, detection process dumb, efficiency is low, poor user experience.
Summary of the invention
The purpose of the application is: provide a kind of PPG information detecting method and equipment, to improve
The motility of detection.
First aspect according at least one embodiment of the application, it is provided that a kind of PPG information inspection
Survey method, described method includes:
In response at least one location contacts one display screen of user's body, at described display screen
On determine a target area, described target area include a transmission subregion and one receive subregion；
Control described transmission subregion and send one first optical signal；
Control described reception subregion receive described first optical signal be reflected or after transmission one
Second optical signal；
The PPG information of described user is determined according to described second optical signal.
In conjunction with any one possible implementation of first aspect, in the realization side that the second is possible
In formula, described at least one location contacts one display screen in response to user's body, described aobvious
Determine on display screen curtain that a target area includes:
In response to display screen described in multiple location contacts of user's body, at described display screen
On determine multiple contact areas that the plurality of position is respectively corresponding；
Area and/or shape according to the plurality of contact area determine described target area.
In conjunction with any one possible implementation of first aspect, in the realization side that the third is possible
In formula, the described area according to the plurality of contact area and/or shape determine described target area
Territory includes:
Using maximum for area in the plurality of contact area one as described target area.
In conjunction with any one possible implementation of first aspect, the 4th kind of possible realization side
In formula, the described area according to the plurality of contact area and/or shape determine described target area
Territory includes:
Using one of corresponding for shape in a plurality of contact area tip shape as described mesh
Mark region.
In conjunction with any one possible implementation of first aspect, the 5th kind of possible realization side
In formula, the described area according to the plurality of contact area and/or shape determine described target area
Territory includes:
By area in the plurality of contact area more than the corresponding finger tip shape of a predetermined value and shape
One of shape, as described target area.
In conjunction with any one possible implementation of first aspect, the 6th kind of possible realization side
In formula, described at least one location contacts one display screen in response to user's body, described aobvious
Determine on display screen curtain that a target area includes:
In response to display screen described at least one location contacts described in user's body and satisfied
Preset trigger condition, determines described target area on described display screen.
In conjunction with any one possible implementation of first aspect, the 7th kind of possible realization side
In formula, described preset trigger condition includes: the fingerprint of described display screen collection belongs to one and makes a reservation for
Fingerprint set.
In conjunction with any one possible implementation of first aspect, the 8th kind of possible realization side
In formula, described target area is identical with the region gathering described fingerprint on described display screen.
In conjunction with any one possible implementation of first aspect, the 9th kind of possible realization side
In formula, described preset trigger condition includes: the foreground of the electronic equipment belonging to described display screen
The application program run belongs to a predetermined application set.
In conjunction with any one possible implementation of first aspect, the tenth kind of possible realization side
In formula, described transmission subregion includes multiple transmitting element, and described reception subregion includes multiple
Receiving unit, the plurality of transmitting element and the plurality of reception unit are interspersed.
In conjunction with any one possible implementation of first aspect, the 11st kind of possible realization
In mode, the intensity of described first optical signal is more than an intensity threshold.
In conjunction with any one possible implementation of first aspect, the 12nd kind of possible realization
In mode, described first optical signal uses green glow.
In conjunction with any one possible implementation of first aspect, the 13rd kind of possible realization
In mode, described display screen is a LED screen.
In conjunction with any one possible implementation of first aspect, the 14th kind of possible realization
In mode, described control described transmission subregion sends one first optical signal and includes:
Add forward voltage by the pixel corresponding to described transmission subregion, control described transmission
Region sends described first optical signal.
In conjunction with any one possible implementation of first aspect, the 15th kind of possible realization
In mode, described control described reception subregion receives described first optical signal and is reflected or transmission
After one second optical signal include:
Add backward voltage by the pixel corresponding to described reception subregion, control described reception
Region receives described second optical signal.
In conjunction with any one possible implementation of first aspect, the 16th kind of possible realization
In mode, described method also includes:
Heart rate information and/or the respiratory frequency information of described user is determined according to described PPG information.
Second aspect according at least one embodiment of the application, it is provided that a kind of PPG information inspection
Measurement equipment, described equipment includes:
One target area determines module, at least one location contacts one in response to user's body
Display screen, determines that on described display screen a target area, described target area include one
Send subregion and and receive subregion；
One control module, is used for controlling described transmission subregion and sends one first optical signal, and
Control described reception subregion receive described first optical signal be reflected or after transmission one second
Optical signal；
One PPG information determination module, for determining described user's according to described second optical signal
PPG information.
In conjunction with any one possible implementation of second aspect, in the realization side that the second is possible
In formula, described target area determines that module includes:
One contact area determines unit, in response to described in multiple location contacts of user's body
Display screen, determines multiple contacts that the plurality of position is the most corresponding on described display screen
Region；
One target area determines unit, for the area according to the plurality of contact area and/or shape
Shape determines described target area.
In conjunction with any one possible implementation of second aspect, in the realization side that the third is possible
In formula, described target area determines unit, for area in the plurality of contact area is maximum
One as described target area.
In conjunction with any one possible implementation of second aspect, the 4th kind of possible realization side
In formula, described target area determines unit, for shape in the plurality of contact area is corresponding
One of one tip shape as described target area.
In conjunction with any one possible implementation of second aspect, the 5th kind of possible realization side
In formula, described target area determines unit, for being more than by area in the plurality of contact area
One of the corresponding tip shape of one predetermined value and shape, as described target area.
In conjunction with any one possible implementation of second aspect, the 6th kind of possible realization side
In formula, described target area determines module, in response to described in user's body at least one
Position contacts described display screen and meets a preset trigger condition, determines on described display screen
Described target area.
In conjunction with any one possible implementation of second aspect, the 7th kind of possible realization side
In formula, described display screen is a LED screen.
In conjunction with any one possible implementation of second aspect, the 8th kind of possible realization side
In formula, described control module, for adding forward by the pixel corresponding to described transmission subregion
Voltage, controls described transmission subregion and sends described first optical signal, and,
Add backward voltage by the pixel corresponding to described reception subregion, control described reception
Region receives described second optical signal.
In conjunction with any one possible implementation of second aspect, the 9th kind of possible realization side
In formula, described equipment also includes:
One the 3rd determines module, for determining the heart rate letter of described user according to described PPG information
Breath and/or respiratory frequency information.
Method and apparatus described in the embodiment of the present application, connects in response at least one position on user's body
Touch a display screen, described display screen determines described target area, described target area
Including described transmission subregion and described reception subregion, and then to described transmission subregion and institute
State reception subregion to carry out sending out, receiving photocontrol, finally determine the PPG information of user, the most just
Being to say, the detection position of user's body can be placed on any position of described display screen by user
Putting, corresponding described target area can adaptive be set to detect region by described method,
Thus improve detection motility and detection efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of PPG infomation detection principle schematic；
Fig. 2 is the flow chart of PPG information detecting method described in one embodiment of the application；
Fig. 3 is the refinement flow chart of step S220 described in one embodiment of the application；
Fig. 4 is difform contact area schematic diagram in one embodiment of the application；
Fig. 5 is to send subregion described in one embodiment of the application and receive the position of subregion
Put relation schematic diagram；
Fig. 6 is to send subregion described in another embodiment of the application and receive subregion
Position relationship schematic diagram；
Fig. 7 is to send subregion described in another embodiment of the application and receive subregion
Position relationship schematic diagram；
Fig. 8 is the flow chart of PPG information detecting method described in another embodiment of the application；
Fig. 9 is the module map of PPG information detecting apparatus described in one embodiment of the application；
Figure 10 is the module map that described in one embodiment of the application, target area determines module；
Figure 11 is the module map of PPG information detecting apparatus described in one embodiment of the application；
Figure 12 is the hardware knot of PPG information detecting apparatus described in one embodiment of the application
Structure schematic diagram.
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, causes existing PPG infomation detection process flexible
Property reason poor, inefficient is, the position of illuminating part and light absorbing part is fixed, and needs user's
Adaptive testing equipment is removed at detection position.Therefore, if can be by the most adaptive detection of testing equipment
Position, then can significantly improve detection motility and detection efficiency.
Fig. 2 is the flow chart of PPG information detecting method, institute described in one embodiment of the application
The method of stating can realize on such as PPG information detecting apparatus.As in figure 2 it is shown, described side
Method includes:
S220: in response at least one location contacts one display screen of user's body, described aobvious
Determine on display screen curtain that a target area, described target area include a transmission subregion and a reception
Subregion；
S240: control described transmission subregion and send one first optical signal；
S260: control described reception subregion described first optical signal of reception and be reflected or after transmission
One second optical signal；
S280: determine the PPG information of described user according to described second optical signal.
Method described in the embodiment of the present application, shows in response at least one location contacts one on user's body
Display screen curtain, determines described target area on described display screen, and described target area includes institute
State transmission subregion and described reception subregion, and then to described transmission subregion and described reception
Subregion carries out sending out, receiving photocontrol, finally determines the PPG information of user, say, that
The detection position of user's body can be placed on the optional position of described display screen, institute by user
Corresponding described target area can adaptive be set to detect region by the method for stating, thus carries
High detection motility and detection efficiency.
Below with reference to detailed description of the invention, describe described step S220, S240, S260 in detail
Function with S280.
S220: in response at least one location contacts one display screen of user's body, described aobvious
Determine on display screen curtain that a target area, described target area include a transmission subregion and a reception
Subregion.
Wherein, at least one position of described user's body can be can be with described display screen phase
Any part of contact, general, it can be the hand of user, such as finger.
Described display screen can be the display screen of the display screen of an electronic equipment, such as mobile phone
Curtain.
Described target area is to be selected on described display screen user is carried out PPG letter
The region of breath detection, it is relevant to the contact area of user's body and described display screen.With
In the case of only one of which position, family contacts with described display screen, can be directly according to described aobvious
Contact area corresponding with this position on display screen curtain determines described target area.Have many user
In the case of individual position contacts with described display screen, in the case of the most corresponding multiple contact areas,
Described target area can be determined according to some preferably contact areas.
Concrete, see Fig. 3, in one embodiment, described step S220 can be wrapped
Include:
S221: in response to display screen described in multiple location contacts of user's body, described aobvious
Multiple contact areas that the plurality of position is the most corresponding are determined on display screen curtain；
S222: area and/or shape according to the plurality of contact area determine described target area
Territory.
Wherein, in described step S221, multiple contact areas that the plurality of position is the most corresponding
Territory, can by the detection such as such as capacitance sensor, optical sensor etc. on described display screen really
Fixed.
In described step S222, the area of the plurality of contact area and shape all can be such as
Change according to the capacitance profile on described display screen determines.
In one embodiment, described step S222 can specifically include:
S222a: using maximum for area in the plurality of contact area one as described target area
Territory.
It is to say, the area of the plurality of contact area can be calculated respectively, then select face
One of long-pending maximum as described target area.General, if user's body and described display
The area of the contact area of screen is too small, and accuracy in detection may be caused poor；Otherwise, more greatly
The contact area of area, can significantly improve accuracy in detection.Therefore, in present embodiment,
By choosing the maximum contact area of area as described target area, detection can be effectively improved
Accuracy.
In another embodiment, described step S222 can specifically include:
S222b: using one of corresponding for shape in a plurality of contact area tip shape as
Described target area.
Multiple different parts of the plurality of contact area correspondence user's body, inventor is in research
During find, the finger position blood capillary of people enrich, be more beneficial for improve PPG information
The accuracy of detection, therefore, it should preferentially using finger as detection position.
See Fig. 4, there is shown two determined on described display screen 400 not similar shape
The contact area of shape: the first contact area 410 and the second contact area 420.Described first connects
Touch region 410 substantially oblong-shaped, be the contact area that index finger tip is corresponding；Described second connects
Tactile region 420, in non-type semilune, is the contact area that palm is corresponding.
Can be by the shape of the plurality of contact area respectively with predetermined in described step S222b
Tip shape calculate similarity, select the highest one of similarity as described target area.
Described tip shape can be such as that the finger tip of the finger of the user that training in advance obtains is with described
The shape of the contact area obtained during display screen contact.
In another embodiment, described step S222 can specifically include:
S222c: by area in the plurality of contact area more than a predetermined value and shape correspondence one
One of tip shape, as described target area.
In present embodiment, consider area and the shape of contact area, to carry as far as possible
High detection accuracy.Wherein, described predetermined value can set according to actually detected effect, such as
Could be arranged to 0.0001 square metre.
In described step S220, described transmission subregion is for the contact site of user's body
Position sends the region of optical signal, and described reception subregion is the region for receiving optical signal.
In one embodiment, send subregion 411 and receive subregion 412 can be as
Two regions adjacent in described target area shown in Fig. 5.
As shown in Figure 6, in one embodiment, on display screen 500, sub-district is sent
Territory includes multiple transmitting element 611, receives subregion and includes multiple reception unit 612, described
Multiple transmitting elements 611 and the plurality of reception unit 612 are interspersed.Wherein, described
Sending unit can be such as described OLED (Organic Light-Emitting Diode, You Jifa
Optical diode) the display pixel being in luminance on screen, described reception unit such as may be used
To be the display pixel being in reception light state on described display screen 600.
As it is shown in fig. 7, in another embodiment, one end of display screen 700 is tubular
Structure, the transmission subregion 710 that described target area includes and receive that subregion 720 is relative divides
Cloth.It is to say, described transmission subregion 710 and described reception subregion 720 can be point
From, and nonessential adjacent.In present embodiment, can be such as aobvious with described by user's body
The contact area of display screen curtain 700 is first defined as the first sub-goal region, then by this contact area
Relative region is defined as the second sub-goal region, described first sub-goal region and described second
Sub-goal region collectively forms described target area.Described first sub-goal region can be further
As described transmission subregion 710, described second sub-goal region can be further used as described
Receive subregion 720；Vice versa.
S240: control described transmission subregion and send one first optical signal.
In one embodiment, as it was noted above, described display screen can be OLED screen
Curtain, described step S240 may include that
S240 ': add forward voltage by the pixel corresponding to described transmission subregion, controls institute
State transmission subregion and send described first optical signal.It will be appreciated by those skilled in the art that right
When certain pixel of OLED display screen applies forward voltage, this pixel is in luminance.
Inventor finds in research process, accurate in order to improve the detection of described PPG information
Degree, can improve the intensity of described first optical signal, i.e. ensure the intensity of described first optical signal
More than an intensity threshold, described intensity threshold can arrange according to reality application, such as can set
It is set to 390cd/.
Further, since the hemoglobin in blood is best for the assimilation effect of green glow, therefore,
In order to improve accuracy in detection, described first optical signal can use green glow.
S260: control described reception subregion described first optical signal of reception and be reflected or after transmission
One second optical signal.
In one embodiment, described display screen can be LED screen (OLED screen
Curtain or LED array screen), described step S260 may include that
S260 ': add backward voltage by the pixel corresponding to described reception subregion, controls institute
State reception subregion and receive described second optical signal.It will be appreciated by those skilled in the art that right
When certain pixel of OLED display screen applies backward voltage, this pixel is in reception light state.
It addition, it will be appreciated by those skilled in the art that at described display screen be not LED screen
In the case of, by arranging optical sensor on described display screen, to receive described second light letter
Number, it is also possible to realize the present invention program.
Reflection mode and transmission mode are two kinds of basic modes of detection PPG information, use not
With implementation, can be to described display screen, and to described transmission subregion with described connect
The position relationship receiving subregion produces different requirements.
In one embodiment, described second optical signal is that described first optical signal is through user's body
Obtaining after the contact site reflection of body, this situation goes for more display screen,
It can be such as any one display screen of Fig. 5, Fig. 6, Fig. 7.Further, in this case,
Described transmission subregion and described reception subregion both can be disposed adjacent as Fig. 5 or Fig. 6,
Can also be separately positioned, simply when separately positioned, the normal of described transmission subregion and described
Receive the angle between the normal of subregion and should meet the requirement of light line reflection, can be such as
45°。
In another embodiment, described second optical signal is that described first optical signal is through user
Obtain after the transmission of health, need described display screen to have certain bending merit in this case
Can, can be such as the display screen shown in Fig. 7, general, the most described display
Screen can use flexible display material, in order to the shape of described display screen can need with user
Ask change.Accordingly, in this case, described transmission subregion and described reception subregion one
As can be the most separately positioned, and both place planes are parallel to each other (or close to mutually
Parallel).
S280: determine the PPG information of described user according to described second optical signal.
Wherein, due to the periodic pulses of heart, the blood flow detecting position can be caused to produce
Periodically change, and then the absorbtivity that impact is to described first optical signal, thus cause described
The intensity of the second optical signal produces periodically change.Therefore, according to described second received
The intensity of optical signal, i.e. may determine that described PPG information.
In addition, it is necessary to explanation, in order to improve the accuracy of PPG infomation detection further,
In the case of user's body and described display screen have multiple contact position, it is also possible to determine
Multiple (comprising two) target area, performs said method respectively, obtains two group of second light letter
Number, then PPG information described in COMPREHENSIVE CALCULATING.
Seeing Fig. 8, in one embodiment, described method can also include:
S290: determine the heart rate information of described user according to described PPG information and/or breathe frequency
Rate information.
Wherein, heart rate is one of four big vital signs of human body, and whether stablizing of heart rate is the most anti-
Reflect the quality of cardiac function.Respiratory frequency is the handicapped sensitive indicator of acute respiration, also
It is to weigh cardiac function quality and the most normal important indicator of gas exchange.People in the art
Member understands, uses digital filtering, Wavelet Transform and power spectrum method etc., can be from described
PPG information calculates heart rate information and/or respiratory frequency information.Thus, according to the application
Described method can obtain the important physical signs such as the heart rate of user, respiratory frequency, the most right
The health status of user is effectively monitored.Further, these health status can be correlated with
Information is sent to the kith and kin of user or user, healthy with call user's attention.
In another embodiment, described step S220 can be further:
S220 ': in response to display screen described at least one location contacts described in user's body and
Meet a preset trigger condition, described display screen determines described target area.
It is to say, according to user's request, this Shen can be limited by described preset trigger condition
Please described method the most just perform.
In one embodiment, described preset trigger condition includes: described display screen collection
Fingerprint belong to a predetermined fingerprint set.Wherein, described predetermined fingerprint set can include
It is previously obtained the fingerprint of the user of mandate, such as, is a smart mobile phone at described display screen
In the case of display screen, described predetermined fingerprint set can include joining of owner and owner
Even fingerprint.
In one embodiment, user for convenience, described target area and described display screen
The region gathering described fingerprint on curtain is identical.Such as, described display screen can be by user in institute
State contact area on display screen as fingerprint collecting region, if the fingerprint gathered belongs to institute
State predetermined fingerprint set, the most described contact area is defined as described target area, so
Rear execution described PPG information detecting method.
In another embodiment, described preset trigger condition includes: described display screen institute
The application program of the front stage operation of the electronic equipment belonged to belongs to a predetermined application set.
Described predetermined application set includes that some suitably detect answering of the PPG information of user
Use program.In other words, at these application programs in the case of front stage operation, user's body
Contact with described display screen is relative stable.Such as, can in described predetermined application set
To include: voice procedure, e-book program, video reproduction program etc..By this restriction,
Can be during user normally use electronic equipment, in the detection of efficiently and accurately accidentally
The PPG information of user.
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. 2 illustrated embodiment
Step S220 of method, the operation of S240, S260 and S280.
To sum up, method described in the embodiment of the present application, can normally use electronic equipment user
During, the PPG information determining user is detected by the display screen of electronic equipment, and can
To further determine that the health and fitness informations such as the heart rate of user, respiratory frequency, such that it is able to flexibly, high
Imitate PPG infomation detection, and the health status to user easily and effectively has been monitored.
Fig. 9 is that described in one embodiment of the application, the modular structure of PPG information detecting apparatus is shown
Being intended to, described equipment can be the independent equipment for detecting user's PPG information,
It is of course also possible to integrally disposed in such as smart mobile phone as a functional module, wait one any
In other electronic equipments.Seeing Fig. 9, described equipment 900 may include that
One target area determines module 910, connects at least one position in response to user's body
Touching a display screen, determine a target area on described display screen, described target area is wrapped
Include a transmission subregion and and receive subregion；
One control module 920, is used for controlling described transmission subregion and sends one first optical signal,
And control described reception subregion receive described first optical signal be reflected or after transmission one
Second optical signal；
One PPG information determination module 930, for determining described use according to described second optical signal
The PPG information at family.
Equipment described in the embodiment of the present application, shows in response at least one location contacts one on user's body
Display screen curtain, determines described target area on described display screen, and described target area includes institute
State transmission subregion and described reception subregion, and then to described transmission subregion and described reception
Subregion carries out sending out, receiving photocontrol, finally determines the PPG information of user, say, that
The detection position of user's body can be placed on the optional position of described display screen, institute by user
Corresponding described target area can adaptive be set to detect region by the equipment of stating, thus carries
High detection motility and detection efficiency.
Below with reference to detailed description of the invention, describe in detail described target area determine module 910,
Described control module 920 and the function of described PPG information determination module 930.
Described target area determines module 910, at least one position in response to user's body
Contact a display screen, described display screen determines a target area, described target area
Subregion is received including a transmission subregion and one.
Wherein, at least one position of described user's body can be can be with described display screen phase
Any part of contact, general, it can be the hand of user, such as finger.
Described display screen can be the display screen of described equipment 900, the most described equipment
900 is a mobile phone, and described display screen is the display screen of this mobile phone.
Described target area is to be selected on described display screen user is carried out PPG letter
The region of breath detection, it is relevant to the contact area of user's body and described display screen.With
In the case of only one of which position, family contacts with described display screen, can be directly according to described aobvious
Contact area corresponding with this position on display screen curtain determines described target area.Have many user
In the case of individual position contacts with described display screen, in the case of the most corresponding multiple contact areas,
Described target area can be determined according to some preferably contact areas.
Concrete, see Figure 10, in one embodiment, described target area determines module
910 may include that
One contact area determines unit 911, for the multiple location contacts in response to user's body
Described display screen, determines the multiple of the plurality of position correspondence respectively on described display screen
Contact area；
One target area determines unit 912, for according to the area of the plurality of contact area and/
Or shape determines described target area.
Wherein, described contact area determines unit 911, can be by described display screen
The such as detection such as capacitance sensor, optical sensor determines the plurality of contact area.
Described target area determines unit 912, can be such as according to the electricity on described display screen
The change holding distribution determines area and the shape of the plurality of contact area.
In one embodiment, described target area determines unit 912, for by described many
One that in individual contact area, area is maximum as described target area.Maximum by choosing area
Contact area as described target area, accuracy in detection can be effectively improved.
In another embodiment, described target area determines unit 912, for by described
In multiple contact areas one of the corresponding tip shape of shape as described target area.
Inventor finds in research process, and the finger position blood capillary of people enriches, more favorably
In the accuracy improving PPG infomation detection.In present embodiment, described target area determines
Unit 912, can by the shape of the plurality of contact area respectively with predetermined tip shape meter
Calculate similarity, select the highest one of similarity as described target area.Described tip shape
Can be such as that the finger tip of the finger of the user that training in advance obtains contacts with described display screen
Time the shape of contact area that obtains.
In another embodiment, described target area determines unit 912, for by described
In multiple contact areas, area is more than one of the corresponding tip shape of a predetermined value and shape, makees
For described target area.
Described transmission subregion is the district for sending optical signal to the contact site of user's body
Territory, described reception subregion is the region for receiving optical signal.Described transmission subregion and institute
State receive subregion position relationship can have multiple situation, include but not limited to Fig. 5, Fig. 6,
Position relationship shown in Fig. 7.
Described control module 920, is used for controlling described transmission subregion and sends one first optical signal,
And control described reception subregion receive described first optical signal be reflected or after transmission one
Second optical signal.
In one embodiment, described display screen can be LED screen (OLED screen curtain
Or LED array screen), described control module 920, may be used for by sending son to described
Pixel corresponding to region adds forward voltage, controls described transmission subregion and sends described first light letter
Number, and, add backward voltage by the pixel corresponding to described reception subregion, control described
Receive subregion and receive described second optical signal.
It will be appreciated by those skilled in the art that at certain pixel applying forward to LED display curtain
During voltage, this pixel is in luminance；In certain pixel applying to LED display curtain
During backward voltage, this pixel is in reception light state.
Inventor finds in research process, accurate in order to improve the detection of described PPG information
Degree, can improve the intensity of described first optical signal, i.e. ensure the intensity of described first optical signal
More than an intensity threshold, described intensity threshold can arrange according to reality application, such as can set
It is set to 390cd/.
Further, since the hemoglobin in blood is best for the assimilation effect of green glow, therefore,
In order to improve accuracy in detection, described first optical signal can use green glow.
Reflection mode and transmission mode are two kinds of basic modes of detection PPG information, use not
With implementation, can be to described display screen, and to described transmission subregion with described connect
The position relationship receiving subregion produces different requirements.
In one embodiment, described second optical signal is that described first optical signal is through user's body
Obtaining after the contact site reflection of body, this situation goes for more display screen,
It can be such as any one display screen of Fig. 5, Fig. 6, Fig. 7.Further, in this case,
Described transmission subregion and described reception subregion both can be disposed adjacent as Fig. 5 or Fig. 6,
Can also be separately positioned, simply when separately positioned, the normal of described transmission subregion and described
The angle received between the normal of subregion should be acute angle or right angle, such as can be 45 °.
In another embodiment, described second optical signal is that described first optical signal is through user
Obtain after the transmission of health, need described display screen to have certain bending merit in this case
Can, can be such as the display screen shown in Fig. 7, general, the most described display
Screen can use flexible display material, in order to the shape of described display screen can need with user
Ask change.Accordingly, in this case, described transmission subregion and described reception subregion one
As can be the most separately positioned, and both place planes are parallel to each other (or close to mutually
Parallel).
Described PPG information determination module 930, described for determining according to described second optical signal
The PPG information of user.
It will be appreciated by those skilled in the art that the intensity according to described second optical signal received, i.e.
May determine that described PPG information.
Seeing Figure 11, in one embodiment, described equipment 900 also includes:
One the 3rd determines module 940, for determining the heart of described user according to described PPG information
Rate information and/or respiratory frequency information.
It will be appreciated by those skilled in the art that employing digital filtering, Wavelet Transform and power spectrum method
Deng, heart rate information and/or respiratory frequency information can be calculated from described PPG information.From
And, the important physiology such as the heart rate of user, respiratory frequency can be obtained according to herein described equipment
Index, is conducive to effectively monitoring the health status of user.Further, can be by this
A little health status relevant informations are sent to the kith and kin of user or user, are good for call user's attention
Health.
In another embodiment, described target area determines module 910, in response to
Display screen described in described at least one location contacts of user's body and a satisfied predetermined trigger bar
Part, determines described target area on described display screen.
It is to say, according to user's request, this Shen can be limited by described preset trigger condition
Please the most just start PPG detection function by described equipment.
In one embodiment, described preset trigger condition includes: described display screen collection
Fingerprint belong to a predetermined fingerprint set.Wherein, described predetermined fingerprint set can include
It is previously obtained the fingerprint of the user of mandate, such as, is a smart mobile phone at described display screen
In the case of display screen, described predetermined fingerprint set can include joining of owner and owner
Even fingerprint.
In another embodiment, described preset trigger condition includes: described display screen institute
The application program of the front stage operation of the electronic equipment belonged to belongs to a predetermined application set.
Described predetermined application set includes that some suitably detect answering of the PPG information of user
Use program.In other words, at these application programs in the case of front stage operation, user's body
Contact with described display screen is relative stable.Such as, can in described predetermined application set
To include: voice procedure, e-book program, video reproduction program etc..By this restriction,
Can be during user normally use electronic equipment, in the detection of efficiently and accurately accidentally
Determine the PPG information of user.
One application scenarios of PPG information detecting method described in the embodiment of the present application and equipment can
With as follows: user uses a smart mobile phone to make a phone call, this smart mobile phone includes two display screens:
Front screen and reverse side screen, two screens are all OLED screen curtains；User manipulates front screen
On application icon start voice procedure, reverse side screen is in screen lock state；When the hand-held electricity of user
Words are near in one's ear time, and front screen is dimmed, to prevent maloperation；Meanwhile, reverse side screen is lighted,
And detect in the middle part of the forefinger contact screen of user, contact area is defined as target by smart mobile phone
Region, and target area is divided into transmission subregion and receives subregion；Then, control to send out
Sending the pixel emission green glow in subregion, the pixel controlling to receive in subregion receives the anti-of finger
Penetrate light；Determine the PPG information of user finally according to reflection light, and then be calculated user's
Health and fitness information, and export to user.
Hardware configuration such as Figure 12 of PPG information detecting apparatus described in another embodiment of the application
Shown in.Described PPG information detecting apparatus is not implemented by the application specific embodiment
Limiting, 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:
In response at least one location contacts one display screen of user's body, at described display screen
On determine a target area, described target area include a transmission subregion and one receive subregion；
Control described transmission subregion and send one first optical signal；
Control described reception subregion receive described first optical signal be reflected or after transmission one
Second optical signal；
The PPG information of described user is determined according to described second optical signal.
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.
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. a photoplethysmographic PPG information detecting method, it is characterised in that described
Method includes:
In response at least one location contacts one display screen of user's body, at described display screen
On determine a target area, described target area include a transmission subregion and one receive subregion；
Control described transmission subregion and send one first optical signal；
Control described reception subregion receive described first optical signal be reflected or after transmission one
Second optical signal；
The PPG information of described user is determined according to described second optical signal.
2. the method for claim 1, it is characterised in that described in response to user's body
At least one location contacts one display screen of body, determines a target area on described display screen
Including:
In response to display screen described in multiple location contacts of user's body, at described display screen
On determine multiple contact areas that the plurality of position is respectively corresponding；
Area and/or shape according to the plurality of contact area determine described target area.
3. the method for claim 1, it is characterised in that described in response to user's body
At least one location contacts one display screen of body, determines a target area on described display screen
Including:
In response to display screen described at least one location contacts described in user's body and satisfied
Preset trigger condition, determines described target area on described display screen.
4. the method for claim 1, it is characterised in that described transmission subregion bag
Including multiple transmitting element, described reception subregion includes multiple reception unit, the plurality of transmission
Unit and the plurality of reception unit are interspersed.
5. the method for claim 1, it is characterised in that described first optical signal
Intensity is more than an intensity threshold.
6. the method for claim 1, it is characterised in that described first optical signal is adopted
Use green glow.
7. the method for claim 1, it is characterised in that described display screen is
LED screen.
8. the method as described in any one of claim 1 to 7, it is characterised in that described side
Method also includes:
Heart rate information and/or the respiratory frequency information of described user is determined according to described PPG information.
9. a PPG information detecting apparatus, it is characterised in that described equipment includes:
One target area determines module, at least one location contacts one in response to user's body
Display screen, determines that on described display screen a target area, described target area include one
Send subregion and and receive subregion；
One control module, is used for controlling described transmission subregion and sends one first optical signal, and
Control described reception subregion receive described first optical signal be reflected or after transmission one second
Optical signal；
One PPG information determination module, for determining described user's according to described second optical signal
PPG information.
10. an electronic equipment, it is characterised in that described electronic equipment includes claim 9
Described PPG information detecting apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110316.0A CN106020564B (en) | 2015-03-13 | 2015-03-13 | PPG information detecting method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510110316.0A CN106020564B (en) | 2015-03-13 | 2015-03-13 | PPG information detecting method and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106020564A true CN106020564A (en) | 2016-10-12 |
| CN106020564B CN106020564B (en) | 2018-12-25 |
Family
ID=57082373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510110316.0A Active CN106020564B (en) | 2015-03-13 | 2015-03-13 | PPG information detecting method and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106020564B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958145A (en) * | 2016-11-03 | 2018-04-24 | 深圳信炜科技有限公司 | Display device and electronic device |
| CN108021854A (en) * | 2016-11-03 | 2018-05-11 | 深圳信炜科技有限公司 | Biological identification device and electronic device |
| CN110141197A (en) * | 2019-06-15 | 2019-08-20 | 出门问问信息科技有限公司 | Electronic equipment with display screen |
| CN111248889A (en) * | 2020-01-19 | 2020-06-09 | 浙江大学 | Pulse wave measuring device and method based on LED diode and LED display matrix |
| CN112294274A (en) * | 2020-05-29 | 2021-02-02 | 北京沃东天骏信息技术有限公司 | Detection method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080249382A1 (en) * | 2007-04-04 | 2008-10-09 | Lg Electronics Inc. | Blood pressure monitoring apparatus and method |
| US20090203998A1 (en) * | 2008-02-13 | 2009-08-13 | Gunnar Klinghult | Heart rate counter, portable apparatus, method, and computer program for heart rate counting |
| CN202364268U (en) * | 2011-11-24 | 2012-08-01 | 东莞宇龙通信科技有限公司 | Flip phone with blood flow detection |
| CN103228205A (en) * | 2011-01-20 | 2013-07-31 | 日东电工株式会社 | Devices and methods for photoplethysmographic measurements |
| CN104049803A (en) * | 2014-06-16 | 2014-09-17 | 深圳市汇顶科技股份有限公司 | Mobile terminal |
-
2015
- 2015-03-13 CN CN201510110316.0A patent/CN106020564B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080249382A1 (en) * | 2007-04-04 | 2008-10-09 | Lg Electronics Inc. | Blood pressure monitoring apparatus and method |
| US20090203998A1 (en) * | 2008-02-13 | 2009-08-13 | Gunnar Klinghult | Heart rate counter, portable apparatus, method, and computer program for heart rate counting |
| CN103228205A (en) * | 2011-01-20 | 2013-07-31 | 日东电工株式会社 | Devices and methods for photoplethysmographic measurements |
| CN202364268U (en) * | 2011-11-24 | 2012-08-01 | 东莞宇龙通信科技有限公司 | Flip phone with blood flow detection |
| CN104049803A (en) * | 2014-06-16 | 2014-09-17 | 深圳市汇顶科技股份有限公司 | Mobile terminal |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958145A (en) * | 2016-11-03 | 2018-04-24 | 深圳信炜科技有限公司 | Display device and electronic device |
| CN108021854A (en) * | 2016-11-03 | 2018-05-11 | 深圳信炜科技有限公司 | Biological identification device and electronic device |
| CN110141197A (en) * | 2019-06-15 | 2019-08-20 | 出门问问信息科技有限公司 | Electronic equipment with display screen |
| CN110141197B (en) * | 2019-06-15 | 2022-04-12 | 出门问问信息科技有限公司 | Electronic equipment with display screen |
| CN111248889A (en) * | 2020-01-19 | 2020-06-09 | 浙江大学 | Pulse wave measuring device and method based on LED diode and LED display matrix |
| CN111248889B (en) * | 2020-01-19 | 2021-10-08 | 浙江大学 | A pulse wave measuring device and method based on LED diode and LED display matrix |
| CN112294274A (en) * | 2020-05-29 | 2021-02-02 | 北京沃东天骏信息技术有限公司 | Detection method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106020564B (en) | 2018-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106020564A (en) | Method and device for PPG information detection | |
| CN109544590A (en) | A kind of method for tracking target and calculate equipment | |
| CN204965329U (en) | Portable electronic equipment and motion and gesture detection system | |
| CN106031632A (en) | Method and device for PPG information detection | |
| CN105425905B (en) | A kind of information processing method and electronic equipment | |
| CN106999106A (en) | The system and method for generating health data for the measurement result using wearable device | |
| CN110045819A (en) | A kind of gesture processing method and equipment | |
| KR102254164B1 (en) | Wearable device and user terminal device connectable with wearable device | |
| CN103941874B (en) | Recognition methodss and equipment | |
| ATE425488T1 (en) | INFORMATION PROCESSING DEVICE WITH A SENSOR FOR DETERMINING COORDINATE VALUES AND CHANGES OF A NUMEROUS POINTS ON A SCREEN | |
| CN104656896A (en) | Method and device for confirming input information | |
| CN104699242A (en) | Method and device for determining action and/or action part | |
| CN109145809A (en) | A kind of note spectrum processing method and device and computer readable storage medium | |
| CN106705989A (en) | Step counting method, equipment and terminal | |
| CN104656895A (en) | Method and device for confirming input information | |
| CN106095293A (en) | A kind of application operating method and apparatus of mobile device | |
| CN104123072A (en) | Method and device for providing virtual keyboard in mobile device | |
| CN104224118B (en) | Outside recognition methods and equipment in limbs | |
| CN104224121B (en) | Outside recognition methods and equipment in limbs | |
| CN204158980U (en) | There is the tennis racket of heart rate detecting function | |
| CN106227664A (en) | A kind of method and device testing application program | |
| CN106137217A (en) | Blood oxygenation information detection method and equipment | |
| CN104224122B (en) | Outside recognition methods and equipment in limbs | |
| CN107562303A (en) | Element motion control method and device in display interface | |
| CN106137215A (en) | Blood oxygenation information detection method and equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |