CN108968972A - Flexible fatigue detection device and information processing method and device - Google Patents
Flexible fatigue detection device and information processing method and device Download PDFInfo
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1103—Detecting eye twinkling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1118—Determining activity level
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- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
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- A61B5/6821—Eye
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6832—Means for maintaining contact with the body using adhesives
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Abstract
This disclosure relates to a kind of flexibility fatigue detection device and information processing method and device, including flexible sensor, the first area of the skin surface of measurand eye circumference is fitted in, the first and second signals are obtained according to the deformation of first area；Signal processing module is respectively processed the first and second signals to obtain the third and fourth signal；Third and fourth signal is sent to terminal by signal emission module, so that terminal determines the degree of fatigue testing result of measurand according to the third and fourth signal；Flexible substrates carry signal processing module and signal emission module and fit in the second area of the skin surface of measurand, and flexible sensor, signal processing module, signal emission module and flexible substrates are fabricated from a flexible material.The device of the disclosure can make measurand receive prolonged eye monitoring, it is possible thereby to obtain the detection data of real-time abundance, and then obtain more accurate degree of fatigue testing result.
Description
Technical field
This disclosure relates to technical field of semiconductors more particularly to a kind of flexible fatigue detection device and information processing method
And device.
Background technique
Eye-movement measurement is the movement for monitoring eyeball, has a wide range of applications space, such as driver in daily life
Fatigue monitoring.Image method is most importantly to the mode of eye movement monitoring in the related technology, is shot using video camera in face eye
The position of eyeball shoots oculomotor image, and the position for positioning eyeball otherwise is known by feature, tracks eye movement situation,
The direction of motion, speed, time etc. of eyeball are analyzed, and fatigue state relevant to eye movement is calculated by algorithm.
There is a problem of at present by the method that image mode detects eye movement following: (1) the camera body that image capture method needs
Product is larger, and needs to install and be placed on the position not far from human eye, or be worn over the crown by tools such as caps, and pass through finger
First hangs camera before eyes, not applicable for the user of non-fixed position and inconvenient for use；(2) visible image capturing
Machine can only use under bright and clear environment, and the accuracy rate and effect that the variation of environmental light intensity can cause characteristics of image to identify
Rate reduces, and actively emits infrared radiation eyeball for the thermal camera needs under night and low light situation, is used for a long time
It can cause ocular trauma visual impairment；(3) image that video camera is shot needs to carry out by complicated image processing algorithm
Feature identification, needs the cooperation of software and hardware, this will cause, and instrument manufacturing is at high cost, time-consuming for calculation process, energy consumption is big, no
It is suitable for quickly motion-captured and is used for a long time；(4) video camera can shoot to be flat two-dimensional images, be eye movement
In the projection of imaging plane, and the movement of eyeball is complicated three-dimensional motion, and flat image analysis eye movement can reduce movement
The accuracy of situation detection.
Summary of the invention
In view of this, the present disclosure proposes a kind of flexible fatigue detection device and information processing methods and device.
According to the one side of the disclosure, a kind of flexible fatigue detection device is provided, comprising:
Flexible sensor fits in the first area of the skin surface of measurand eye circumference, for according to firstth area
The deformation in domain obtains the first signal and the second signal；
Signal processing module, for being respectively processed to obtain third signal to first signal and the second signal
And fourth signal；
Signal emission module sends the third signal and the fourth signal for being communicated with terminal device
To the terminal device, so that the terminal device determines the measurand according to the third signal and the fourth signal
Degree of fatigue testing result；
Flexible substrates for carrying the signal processing module and the signal emission module, and fit in described tested
The second area of the skin surface of object,
Wherein, the flexible sensor, the signal processing module, the signal emission module and the flexible substrates are equal
It is fabricated from a flexible material.
In one possible implementation, the flexible sensor includes:
Strain sensing devices, for obtaining the first signal according to the deformation of the first area；
Optical sensor device, for obtaining second signal according to the deformation of the second area；
Flexible substrate for carrying the strain sensing devices and the optical sensor device, and can fit in described
First area.
In one possible implementation, the strain sensing devices include multiple strain detecting portions, are respectively used to examine
The strain of different directions is surveyed, the multiple strain detecting portion is bar structure；
The optical sensor device further includes multiple optical waveguides, and the orthogonal thereto distribution of the multiple optical waveguide.
In one possible implementation, the strain sensing devices further include respectively with the multiple strain detecting portion
The a plurality of flexible lead wire of connection, a plurality of flexible lead wire are serpentine configuration.
In one possible implementation, the strain sensing devices further include:
Sensor circuit is strained, the strain sensor circuit is connect with each flexible lead wire respectively, for answering according to
The deformation for becoming test section generates first signal.
According to another aspect of the present disclosure, a kind of information processing method is provided, the method is applied in terminal device,
The described method includes:
In the third signal and fourth signal for receiving flexible fatigue detection device, the third signal and described is determined
The signal characteristic of fourth signal；
According to the signal characteristic, first number blinking in section between determining the measurand when detecting and in institute
State the average duration of first to blink every time in detection time section；
According to first number and the described first average duration and second number and the second average duration, it is determining described in
The fatigue detection result of measurand,
Wherein, second number be the measurand under energetic state isometric with the detection time section
Period in blink number, what a length of measurand of the second mean time was blinked every time under energetic state
Average duration.
In one possible implementation, according to first number and the described first average duration and second number
With the second average duration, the fatigue detection result of the measurand is determined, comprising:
It is averaged in first number increment several relative to second time more than or equal to first threshold and/or described first
When duration is greater than or equal to second threshold relative to the increment of the second average duration, the fatigue detecting knot of the measurand is determined
Fruit is slight fatigue state.
In one possible implementation, according to first number and the described first average duration and second number
With the second average duration, the fatigue detection result of the measurand is determined, comprising:
It is opposite in first number in the case where the fatigue detection result of the measurand is slight fatigue state
It is greater than first threshold in second several increment and the long increment relative to the second average duration of first mean time is less than the
When two threshold values, determine that the fatigue detection result of the measurand is major fatigue state.
In one possible implementation, according to first number and the described first average duration and second number
With the second average duration, the fatigue detection result of the measurand is determined, comprising:
It is less than first threshold and/or the first mean time appearance in first number increment several relative to second time
When the increment of duration average for second is less than second threshold, determine that the fatigue detection result of the measurand is energetic
State.
According to another aspect of the present disclosure, a kind of information processing unit is provided, described device is applied in terminal device,
Described device includes:
First determining module, if receiving third signal and the 4th in object time section for section between when detecting
Signal signal of blinking feature corresponding with blink matches, it is determined that eye movement of the measurand in the object time section be
Blink；
Second determining module, for determining first number and the institute of the eye movement for being confirmed as blink in the detection time section
State the first average duration of the eye movement for being confirmed as blink in detection time section；
Third determining module, for average according to first number, the first average duration, second number and second
Duration determines the fatigue detection result of the measurand, wherein second number is that the measurand is heartily
In the case of the number blinked within the period isometric with the detection time section, a length of described tested pair of second mean time
As the average duration blinked in the case where energetic.
According to another aspect of the present disclosure, a kind of information processing unit is provided, comprising: processor；It is handled for storage
The memory of device executable instruction；Wherein, the processor is configured to executing the above method.
According to another aspect of the present disclosure, a kind of non-volatile computer readable storage medium storing program for executing is provided, is stored thereon with
Computer program instructions, wherein the computer program instructions realize the above method when being executed by processor.
Flexible sensor in flexible fatigue detection device is coated on the skin surface of measurand eye circumference by the disclosure
First area, it is possible thereby to obtain the real-time deformed state of measurand eye circumference by the detection mode that directly contacts, it is less by
It is influenced to external environment, can more directly, accurately reflect the eye activity of measurand.In addition, the flexibility fatigue of the disclosure
The third signal of the reflection first area deformation and fourth signal can be sent to terminal device by detection device, so that described
Terminal device determines the testing result of the measurand, the work of less limitation measurand according to third signal and fourth signal
It is dynamic, and since flexible fatigue detection device has the characteristics that more frivolous more comfortable, the foreign matter of measurand can be effectively reduced
Sense reduces influence of the contact type measurement to measurand to greatest extent, more will not generate injury to measurand, be conducive to be tested
Object receives prolonged eye monitoring, it is possible thereby to obtain sufficient detection data, and then obtains more accurate tired journey
Spend testing result.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the other feature and aspect of the disclosure will become
It is clear.
Detailed description of the invention
Comprising in the description and constituting the attached drawing of part of specification and specification together illustrates the disclosure
Exemplary embodiment, feature and aspect, and for explaining the principles of this disclosure.
Fig. 1 is a kind of structural schematic diagram of flexible fatigue detection device shown according to an exemplary embodiment.
Fig. 2 is a kind of structural schematic diagram of flexible sensor shown according to an exemplary embodiment.
Fig. 3 is a kind of structural schematic diagram of flexible sensor shown according to an exemplary embodiment.
Fig. 4 is a kind of flow chart of information processing method shown according to an exemplary embodiment.
Fig. 5 is the schematic diagram according to the use state of the exemplary flexible fatigue detection device of an application.
Fig. 6 is a kind of block diagram of information processing unit shown according to an exemplary embodiment.
Fig. 7 is a kind of block diagram of information processing unit shown according to an exemplary embodiment.
Fig. 8 is a kind of block diagram of information processing unit shown according to an exemplary embodiment.
Specific embodiment
Various exemplary embodiments, feature and the aspect of the disclosure are described in detail below with reference to attached drawing.It is identical in attached drawing
Appended drawing reference indicate element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings, remove
It non-specifically points out, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, giving numerous details in specific embodiment below to better illustrate the disclosure.
It will be appreciated by those skilled in the art that without certain details, the disclosure equally be can be implemented.In some instances, for
Method, means, element and circuit well known to those skilled in the art are not described in detail, in order to highlight the purport of the disclosure.
Fig. 1 is a kind of structural schematic diagram of flexible fatigue detection device shown according to an exemplary embodiment.Such as Fig. 1 institute
Show, which includes:
Flexible sensor 100 fits in the first area of the skin surface of measurand eye circumference, for according to described first
The deformation in region obtains the first signal and the second signal；
Signal processing module 200, for being respectively processed to obtain third to first signal and the second signal
Signal and fourth signal；
Signal emission module 300 sends out the third signal and the fourth signal for being communicated with terminal device
It send to terminal device, so that the terminal device determines the measurand according to the third signal and the fourth signal
Degree of fatigue testing result；
Flexible substrates 400 for carrying the signal processing module 200 and the signal emission module 200, and fit in
The second area of the skin surface of the measurand,
Wherein, the flexible sensor, the signal processing module, the signal emission module and the flexible substrates are equal
It is fabricated from a flexible material.
In one possible implementation, the signal emission module 300 of the disclosure can be using bluetooth
(Bluetooth), infrared IrDA (Infrared Data Association, infrared ray connection), Wi-Fi (Wireless-
Fidelity, Wireless Fidelity) or the wireless communication standards such as mobile communications network carried out wireless communication with terminal device, do not do herein
It limits.
In alternatively possible implementation, the signal emission module 300 of the disclosure can also pass through wire communication
Mode is communicated with terminal device, it is not limited here.
In one possible implementation, the terminal device of the disclosure may include smart phone, tablet computer, notes
The terminal devices such as this computer and desktop computer, it is not limited here.
In one possible implementation, the material of the flexible substrates 400 of the disclosure may include bio-compatible film,
For carrying the signal processing module 200 and signal emission module 300.Meanwhile the lower surface of flexible substrates 400 has bonding
Layer.Adhesive layer can be used highly viscous biogum and be made, and can be directly Nian Jie well with skin surface and will not cause skin
The allergic reaction of skin.So that signal processing module 200 and signal emission module 300 are fitted in the table of the detected part of test object
On face.
Flexible sensor in flexible fatigue detection device is coated on the skin surface of measurand eye circumference by the disclosure
First area, it is possible thereby to obtain the real-time deformed state of measurand eye circumference, Neng Gougeng by the detection mode directly contacted
Adding this, directly, accurately the eye of reflection measurand is movable.In addition, the flexible fatigue detection device of the disclosure can will reflect
The third signal of one regional deformation and the fourth signal are sent to terminal device, so that the terminal device is according to third signal
Determine the testing result of the measurand with fourth signal, the activity of less limitation measurand, and due to flexible fatigue
Detection device has the characteristics that more frivolous more comfortable, can effectively reduce the foreign body sensation of measurand, reduces contact to greatest extent
Formula measures the influence to measurand, is conducive to measurand and receives prolonged eye monitoring, it is possible thereby to obtain abundance
Detection data, and then obtain more accurate detection result.
As an example of the present embodiment, signal processing module 200 may include signal compensation circuit and analog-to-digital conversion
Circuit.Flexible sensor 100 may include strain sensing devices and optical sensor device, wherein strain sensing devices can be with
Including strain detecting portion, flexible lead wire and strain sensor circuit.Strain detecting portion can pass through flexible lead wire and strain induced electricity
Road connection, strain sensor circuit can generate the first signal according to the deformation in strain detecting portion.Signal compensation circuit can with answer
Become sensor circuit connection, the first signal generated for receiving strain sensor circuit, and signal compensation is carried out to the first signal and is obtained
Obtain compensated first signal.For example, the signal compensation circuit can be temperature measurement circuit and the analysis including temperature detecting resistance
Circuit can exclude the change in resistance as caused by temperature by analysis circuit according to the resistance value of the temperature detecting resistance, and then prevent ring
The detection data bring signal drift of border temperature pair of strain sensors part further increases the detection essence of strain sensing devices
Degree.
As an example of the present embodiment, analog to digital conversion circuit can be multipath A/D converter, analog-to-digital conversion electricity
Road is connect with strain sensor circuit and optical sensor device respectively, can carry out mould to compensated first signal (analog signal)
Number conversion is formed third signal (digital signal), and carries out modulus to the second signal (analog signal) that optical sensor device generates
Conversion forms fourth signal (digital signal).
Signal emission module 300 can be connect with analog to digital conversion circuit, be believed the third by signal emission module 300
Number and the fourth signal be sent to the terminal device so that the terminal device is according to the third signal and the described 4th
Signal determines the degree of fatigue testing result of the measurand.
As another example of the present embodiment, the signal processing module 200 can also include: filter circuit and signal
Enhance circuit.
Filter circuit can be multi-channel filter circuit, and filter circuit can be connect with analog to digital conversion circuit, for filtering out
The third signal and the noise of the fourth signal are to obtain filtered third signal and filtered fourth signal.Thus
Ambient noise is excluded, the deformed state on reflection detected part surface that can be more accurate.
Signal intensifier circuit can be connect with filter circuit, for enhancing filtered third signal and the filtered 4th
The signal strength of signal obtains enhanced third signal and enhanced fourth signal, is conducive to the transmitting and reception of signal.
Signal emission module 300 can be radio transmitter, and signal emission module 300 can be connect with filter circuit,
Enhanced third signal and enhanced fourth signal are sent to the terminal device by signal emission module 300, with
Terminal device is set to determine the shape of the measurand periocular area according to enhanced third signal and enhanced fourth signal
Become feature.
Fig. 2 is a kind of structural schematic diagram of flexible sensor shown according to an exemplary embodiment.As shown in Fig. 2, soft
Property sensor 100 includes:
Strain sensing devices 101, for obtaining the first signal according to the deformation of the first area；
Optical sensor device 102, for obtaining second signal according to the deformation of the first area；
Flexible substrate 103 for carrying the strain sensing devices and the optical sensor device, and can fit in institute
State first area.
In one possible implementation, the first signal can be used to reflect the of the skin surface of measurand eye circumference
The variable condition of the strain in one region.Second signal can be used to reflect the first area of the skin surface of measurand eye circumference
Curvature varying state.
As an example of the present embodiment, as shown in Fig. 2, the strain sensing devices 101 may include multiple strains
Test section 1011 is respectively used to the strain of detection different directions, expands the detection range of strain sensing devices 101.Each answer
Becoming test section 1011 can be the bar structure of similar foil gage (a kind of thin metal foil grid).Since flexible substrate can be with
The surface of various complexity is adapted to, is formed and is attached completely, and the thickness very little in strain detecting portion 1011, the miniature deformation of detected part
Can causing the bar structure in strain detecting portion 1011, deformation occurs, so that the resistance in strain detecting portion 1011 becomes
Change.Under normal conditions, the resistance variations in the more big then strain detecting portion 1011 of 1011 deformation of strain detecting portion are bigger, strain detecting portion
The strain value of the relative changing value of 1011 resistance and detected part can be to be positively correlated, such as the relative changing value of resistance and to be measured
The strain value at position is directly proportional.Strain sensing devices 101 can have highly sensitive, high linearity as a result, when extremely short response
Between the features such as.
As another example of the present embodiment, the strain sensing devices can also include: strain sensor circuit, strain
Sensor circuit is connect with each flexible lead wire respectively, for generating the first signal according to the deformation in the strain detecting portion.Make
For another example of the present embodiment, as shown in Fig. 2, the strain sensing devices 101 can also include respectively with it is the multiple
The a plurality of flexible lead wire 1012 that strain detecting portion 1011 connects, a plurality of flexible lead wire 1012 are serpentine configuration.It in this way can be with
Make flexible lead wire 1012 that not only there is ductility, but also strain sensing devices caused by 1012 partial deformation of flexible lead wire can be prevented
101 signal intensity further increases the detection accuracy of strain sensing devices 101.
Strain detecting portion and flexible lead wire can pass through photoetching and quarter by metallic film in one possible implementation
Erosion is integrally formed (for example, the material of metallic film can be gold, copper or other alloys, it is not limited here).
As an example of the present embodiment, the optical sensor device 102 may include multiple optical waveguides 1021, and institute
State the orthogonal thereto distribution of multiple optical waveguides 1021.In addition, the optical sensor can also include that laser emitter 1022 and photoelectricity are visited
Survey device 1023.For example, as shown in Fig. 2, optical sensor device 102 may include two mutually perpendicular optical waveguides 1021.This swashs
The section that optical transmitting set 1022 can distinguish one end of two optical waveguides 1021 of face respectively emits beam of laser ray.In face two
The photodetector of each integrated reception and the processing for optical signal in the position in the section of a 1021 other end of optical waveguide
1023.In this way, laser emitter 1022, optical waveguide 1021 and photodetector 1023 constitute optical sensor device 102.
Generally, since the light that laser emitter issues can form total reflection in optical waveguide, work as optical sensor
When deformation occurs on the surface that part is attached, optical waveguide curvature is constant, and the light that laser emitter issues will be completely reflected out light
The section of the waveguide other end, the maximum intensity of the received light of photodetector；When the surface that optical sensor device is attached occurs
When deformation, the curvature of optical waveguide generates variation therewith, and a part of light that laser emitter issues will be on the ground of Optical Waveguide Bending
Side transmits optical waveguide, and remaining another part light is totally reflected out another section of section, the light intensity that photodetector receives
Degree will reduce.The deformation on the surface that optical sensor device is attached is bigger, and the Curvature varying of optical waveguide is bigger, then photodetection
The luminous intensity that device receives will be smaller, and then the luminous intensity that can be received by photodetector produces reflection optics and passes
The second signal of the Curvature varying on the surface that inductor component is attached
In one possible implementation, the material of the optical waveguide may include: SU-8.SU-8 in the disclosure was both
It can be used as black light negative photoresist, can also be used as fiber optic materials.
Strain sensing devices, the optical sensor device of the disclosure use the structure of dual layer arrangement, avoid between signal
It interferes with each other, while the structure saves space, improving integrated level in the face of flexible sensor.
As an example of the present embodiment, the material of flexible substrate 103 may include bio-compatible film, for carrying
The strain sensing devices 101 and the optical sensor device 102.Meanwhile the lower surface of flexible substrate 103 has adhesive layer.
Adhesive layer can be used highly viscous biogum and be made, and can be directly Nian Jie well with skin surface and will not cause skin
Allergic reaction.In this way, flexible substrate 103 closely can generate deformation with the deformation of detected part, it effectively will be to be measured right
As the strain on the surface of eye circumference is transferred to strain sensing devices 101 and optical sensor device 102, so that strain sensing devices 101
The first signal and the second signal are respectively obtained according to the deformation of detected part with optical sensor device 102.
Fig. 3 is a kind of structural schematic diagram of flexible sensor shown according to an exemplary embodiment.As shown in figure 3, soft
Property sensor 100 further include: flexible encapsulating film 104, for encapsulating the strain sensing devices 101 and the optical sensor device
102.Wherein, the material of flexible encapsulating film 104 may include bio-compatibility film, and flexible encapsulating film 104 plays packaging film
Effect, flexible sensor 100 is wrapped up, the electronic component of flexible sensor 100 is protected not influenced by extraneous factor, is prevented
Water is dust-proof, can also reduce the influence of ess-strain suffered by the function element of flexible sensor 100 under Bending Deformation load.
Fig. 4 is a kind of flow chart of information processing method shown according to an exemplary embodiment.As shown in figure 4, the party
Method includes:
Step 400, in the third signal and fourth signal for receiving flexible fatigue detection device, the third letter is determined
Number and the fourth signal signal characteristic.
Step 401, according to the signal characteristic, first number blinked in section between determining the measurand when detecting
And in the detection between the first average duration for being blinked in section every time.
Step 402, it is averaged duration according to first number and the described first average duration and second number and second,
Determine the fatigue detection result of the measurand, wherein second number is the measurand in energetic state
Under the number blinked within the period isometric with the detection time section, a length of measurand of the second mean time exists
The average duration blinked every time under energetic state.
Generally, measurand can cause strain detecting portion to generate in a short time significantly in blink
Deformation, so that strain sensing devices generate multiple third signals changed greatly in a short time.The target letter then blinked
Number feature can indicate are as follows: the variation characteristic of the deformation data of third signal.For example, when determining acquisition in object time section
When the deformation data variation characteristic that third signal includes the signal characteristic that meets blink, then measurand can be determined in target
Eye movement in time interval is blink.At this point it is possible to determine the secondary blink according to the third signal that the object time section obtains
Duration used.
One detection time section may include multiple object time sections, in the eye movement class for being directed to each object time section
When type judgement finishes, it can determine that measurand is confirmed as first number of blink, and detection in the detection time section
The average duration of first to blink every time in period.
In one possible implementation, measurand can be obtained in the state that measurand is energetic in advance
Second number of the blink in when detecting and the second average duration blinked every time.Wherein it is possible to according to the life of measurand
Reason index such as blood pressure, heartbeat and brain wave etc. determine whether measurand is in heartily state.
In one possible implementation, several in first number and the absolute value of second several difference and second time
Ratio is greater than or equal to first threshold (such as can be 0.05), also, in the difference of the first average duration and the second average duration
When the absolute value of value and the ratio of the second average duration are greater than or equal to second threshold (such as can be 0.6), the quilt is determined
The fatigue detection result for surveying object is slight fatigue state.
In alternatively possible implementation, in first several absolute value and second number with second several difference
Ratio be greater than or equal to first threshold (such as can be 0.05), alternatively, in the first average duration and the second average duration
When the absolute value of difference and the ratio of the second average duration are greater than or equal to second threshold (such as can be 0.6), described in determination
The fatigue detection result of measurand is slight fatigue state.
As an example of the present embodiment, according to first number and the described first average duration and second number
With the second average duration, determines the fatigue detection result of the measurand, can also include: the fatigue in the measurand
In the case that testing result is slight fatigue state, it is greater than first threshold in first number increment several relative to second time
And first mean time is grown when being less than second threshold relative to the increment of the second average duration, determines the tired of the measurand
Labor testing result is major fatigue state.
For example, it is generally the case that if measurand has been in the state of slight fatigue, and obtain not yet
Rest in time, then due to the relaxation of eye muscle, blink can become frequently, but the duration blinked is compared to energetic situation
It not will increase.Based on this, it is greater than in first number with the absolute value of second several difference and second several ratio or far
Much larger than first threshold (such as can be 0.05), also, the first average duration with second be averaged duration difference it is absolute
When the ratio of value and the second average duration is less than second threshold (such as can be 0.6), the fatigue inspection of the measurand is determined
Survey result is severe fatigue state.
As an example of the present embodiment, according to first number and the described first average duration and second number
With the second average duration, the fatigue detection result of the measurand is determined, may include: in first number relative to the
Two several increments are less than first threshold and/or the long increment relative to the second average duration of first mean time less than second
When threshold value, determine that the fatigue detection result of the measurand is energetic state.
In one possible implementation, several in first number and the absolute value of second several difference and second time
Ratio is less than first threshold (such as can be 0.05), also, the first average duration with second be averaged duration difference it is exhausted
When being less than second threshold (such as can be 0.6) to the ratio of value and the second average duration, the fatigue of the measurand is determined
Testing result is energetic state.
In alternatively possible implementation, in first several absolute value and second number with second several difference
Ratio be less than first threshold (such as can be 0.05), alternatively, in the first average duration and the difference of the second average duration
When absolute value and the ratio of the second average duration are less than second threshold (such as can be 0.6), the tired of the measurand is determined
Labor testing result is energetic state.
In this way, the disclosure can determine measurand according to the real-time deformed state on measurand periocualr skin surface
Eye movement characteristics, and then determine according to the eye movement characteristics fatigue state of measurand, complicated detection device was not both needed, not yet
Injury can be generated to human body, be conducive to quick, real-time, the accurate testing result for obtaining and surveying the fatigue state of object.
Fig. 5 is the schematic diagram according to the use state of the exemplary flexible fatigue detection device of an application.As shown in figure 5,
In a kind of application example, which may include three flexible sensors 100, wherein flexible sensor 100
The middle position (example of first area) of the eyebrow of measurand can be fitted in.Signal processing module 200 and signal transmitting
Module 300 can be fitted in the chest and upper abdomen (second area of measurand by flexible substrates (not shown) respectively
Example).Signal processing module 200 is separately connected with three flexible sensors 100, in the eye activity of measurand, letter
Number processing module 200 can receive the first signal that flexible sensor 100 is generated corresponding to the tested deformation to object eye circumference and
Second signal, and the first signal and the second signal are respectively processed to obtain third signal and fourth signal.Signal transmitting
Module 300 is connect with signal processing module, and is communicated with terminal device, and third signal and fourth signal are sent to terminal
Equipment, so that the terminal device determines the testing result of the measurand according to third signal and fourth signal.
In one possible implementation, before being detected using flexible fatigue detection device to measurand,
Digital Image Correlation Method can be used, the strain regime of measurand eye circumference is measured, and selects the strain of measurand eye circumference most
Big position attaches flexible sensor as first area.Can flexible sensor more fully be reflected in this way
The deformation of the eye circumference of the measurand, it is possible thereby to obtain more accurate detection data.
Using flexible fatigue detection device, when carrying out fatigue detecting, user is first being recorded in the full situation of the state of mind
Under (example of detection time section) per minute blink number (second several example), and blink (second is flat duration
The example of equal duration), it is used as benchmark according to this, the number of winks per minute to user counts.
Under normal conditions, the duration and number that common people blink when energetic are relatively fixed, the duration
Average value is, for example, 0.231 second, and the number of blink is, for example, 10 to 20 times.And when people initially experiences fatigue, people's blink is held
The continuous time can constantly extend, and later since blink behavior itself has the function of antifatigue, rapid eye movements can allow people awake, therefore
After some fatigues reache a certain level, the blink duration can decline instead.In addition, people is in continuous driving time mistake
When long or sleep insufficiency, eye muscle relaxation, therefore Rotation of eyeball is reduced, and is blinked frequently, so the frequency of blink is also one anti-
Reflect the index of degree of fatigue.
For the degree of fatigue for characterizing measurand, its blink number per minute can be recorded when measurand is energetic
H0With single blink average duration t0, dynamic later just to blink averagely to the blink number H and single of user every few minutes
Used time t is detected and is recorded, and determination is worked asAnd/orWherein, A can be with value with value 0.05, B
0.6, then illustrate that user may fall into slight fatigue state, appropriate to user's progress can remind at this time (such as language
Sound, which is informed, should not carry out driving or the movement of high intensity etc.), in addition, the value range of A can be in (0,0.05), the value model of B
Enclosing can be in (0.6,2).The activity that the individual difference and user that specific value depends between user are carried out, such as drives this kind of
The higher activity of risk, corresponding A, B value should be lower than the lower activity of risk.In user's slight fatigue
Afterwards, start continuously to monitor its eye movement situation, over time, regain one's vigor if user rests in time,WithValue can begin to decline, judge that the fatigue state of user has released accordingly.And if user does not obtain
In time in the case where rest, due to the relaxation of eye muscle, blink can become frequently, what device detection obtainedTrend meeting
It is lasting to rise, andTrend then because antifatigue effect slowly reduce, this then illustrates that user has tired out, then can be right
Object to be measured is further reminded, and prevents object to be measured from occurring unexpected.
Fig. 6 is a kind of block diagram of information processing unit shown according to an exemplary embodiment.The device is applied to terminal
In equipment, as shown in fig. 6, the device includes:
First determining module 41, if receiving third signal and in object time section for section between when detecting
Four signals signal of blinking feature corresponding with blink matches, it is determined that eye movement of the measurand in the object time section
For blink；
Second determining module 42, for determine first number of the eye movement for being confirmed as blink in the detection time section with
It is confirmed as the first average duration of the eye movement of blink in the detection time section；
Third determining module 43, for flat according to first number, the first average duration, second number and second
Equal duration determines the fatigue detection result of the measurand, wherein second number is that the measurand is energetic
In the case where the number blinked within the period isometric with the detection time section, second mean time is a length of described tested
The average duration blinked in the case that object is energetic.
Fig. 7 is a kind of block diagram of information processing unit shown according to an exemplary embodiment.For example, device 800 can be with
It is mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, Medical Devices, body-building
Equipment, personal digital assistant etc..
Referring to Fig. 7, device 800 may include following one or more components: processing component 802, memory 804, power supply
Component 806, multimedia component 808, audio component 810, the interface 812 of input/output (I/O), sensor module 814, and
Communication component 816.
The integrated operation of the usual control device 800 of processing component 802, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing component 802 may include that one or more processors 820 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 802 may include one or more modules, just
Interaction between processing component 802 and other assemblies.For example, processing component 802 may include multi-media module, it is more to facilitate
Interaction between media component 808 and processing component 802.
Memory 804 is configured as storing various types of data to support the operation in device 800.These data are shown
Example includes the instruction of any application or method for operating on device 800, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 804 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 806 provides electric power for the various assemblies of device 800.Power supply module 806 may include power management system
System, one or more power supplys and other with for device 800 generate, manage, and distribute the associated component of electric power.
Multimedia component 808 includes the screen of one output interface of offer between described device 800 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 808 includes a front camera and/or rear camera.When device 800 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 810 is configured as output and/or input audio signal.For example, audio component 810 includes a Mike
Wind (MIC), when device 800 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is matched
It is set to reception external audio signal.The received audio signal can be further stored in memory 804 or via communication set
Part 816 is sent.In some embodiments, audio component 810 further includes a loudspeaker, is used for output audio signal.
I/O interface 812 provides interface between processing component 802 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 814 includes one or more sensors, and the state for providing various aspects for device 800 is commented
Estimate.For example, sensor module 814 can detecte the state that opens/closes of device 800, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 800, and sensor module 814 can be with 800 1 components of detection device 800 or device
Position change, the existence or non-existence that user contacts with device 800,800 orientation of device or acceleration/deceleration and device 800
Temperature change.Sensor module 814 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 814 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between device 800 and other equipment.Device
800 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 816 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 816 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 800 can be believed by one or more application specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of non-volatile computer readable storage medium storing program for executing is additionally provided, for example including calculating
The memory 804 of machine program instruction, above-mentioned computer program instructions can be executed above-mentioned to complete by the processor 820 of device 800
Method.
Fig. 8 is a kind of block diagram of information processing unit shown according to an exemplary embodiment.For example, device 1900 can be with
It is provided as a server.Referring to Fig. 8, it further comprises one or more processing that device 1900, which includes processing component 1922,
Device and memory resource represented by a memory 1932, can be by the instruction of the execution of processing component 1922, example for storing
Such as application program.The application program stored in memory 1932 may include it is one or more each correspond to one group
The module of instruction.In addition, processing component 1922 is configured as executing instruction, to execute the above method.
Device 1900 can also include that a power supply module 1926 be configured as the power management of executive device 1900, and one
Wired or wireless network interface 1950 is configured as device 1900 being connected to network and input and output (I/O) interface
1958.Device 1900 can be operated based on the operating system for being stored in memory 1932, such as Windows ServerTM, Mac
OS XTM, UnixTM, LinuxTM, FreeBSDTM or similar.
In the exemplary embodiment, a kind of non-volatile computer readable storage medium storing program for executing is additionally provided, for example including calculating
The memory 1932 of machine program instruction, above-mentioned computer program instructions can be executed by the processing component 1922 of device 1900 to complete
The above method.
The disclosure can be system, method and/or computer program product.Computer program product may include computer
Readable storage medium storing program for executing, containing for making processor realize the computer-readable program instructions of various aspects of the disclosure.
Computer readable storage medium, which can be, can keep and store the tangible of the instruction used by instruction execution equipment
Equipment.Computer readable storage medium for example can be-- but it is not limited to-- storage device electric, magnetic storage apparatus, optical storage
Equipment, electric magnetic storage apparatus, semiconductor memory apparatus or above-mentioned any appropriate combination.Computer readable storage medium
More specific example (non exhaustive list) includes: portable computer diskette, hard disk, random access memory (RAM), read-only deposits
It is reservoir (ROM), erasable programmable read only memory (EPROM or flash memory), static random access memory (SRAM), portable
Compact disk read-only memory (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical coding equipment, for example thereon
It is stored with punch card or groove internal projection structure and the above-mentioned any appropriate combination of instruction.Calculating used herein above
Machine readable storage medium storing program for executing is not interpreted that instantaneous signal itself, the electromagnetic wave of such as radio wave or other Free propagations lead to
It crosses the electromagnetic wave (for example, the light pulse for passing through fiber optic cables) of waveguide or the propagation of other transmission mediums or is transmitted by electric wire
Electric signal.
Computer-readable program instructions as described herein can be downloaded to from computer readable storage medium it is each calculate/
Processing equipment, or outer computer or outer is downloaded to by network, such as internet, local area network, wide area network and/or wireless network
Portion stores equipment.Network may include copper transmission cable, optical fiber transmission, wireless transmission, router, firewall, interchanger, gateway
Computer and/or Edge Server.Adapter or network interface in each calculating/processing equipment are received from network to be counted
Calculation machine readable program instructions, and the computer-readable program instructions are forwarded, for the meter being stored in each calculating/processing equipment
In calculation machine readable storage medium storing program for executing.
Computer program instructions for executing disclosure operation can be assembly instruction, instruction set architecture (ISA) instructs,
Machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data or with one or more programming languages
The source code or object code that any combination is write, the programming language include the programming language-of object-oriented such as
Smalltalk, C++ etc., and conventional procedural programming languages-such as " C " language or similar programming language.Computer
Readable program instructions can be executed fully on the user computer, partly execute on the user computer, be only as one
Vertical software package executes, part executes on the remote computer or completely in remote computer on the user computer for part
Or it is executed on server.In situations involving remote computers, remote computer can pass through network-packet of any kind
It includes local area network (LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as benefit
It is connected with ISP by internet).In some embodiments, by utilizing computer-readable program instructions
Status information carry out personalized customization electronic circuit, such as programmable logic circuit, field programmable gate array (FPGA) or can
Programmed logic array (PLA) (PLA), the electronic circuit can execute computer-readable program instructions, to realize each side of the disclosure
Face.
Referring herein to according to the flow chart of the method, apparatus (system) of the embodiment of the present disclosure and computer program product and/
Or block diagram describes various aspects of the disclosure.It should be appreciated that flowchart and or block diagram each box and flow chart and/
Or in block diagram each box combination, can be realized by computer-readable program instructions.
These computer-readable program instructions can be supplied to general purpose computer, special purpose computer or other programmable datas
The processor of processing unit, so that a kind of machine is produced, so that these instructions are passing through computer or other programmable datas
When the processor of processing unit executes, function specified in one or more boxes in implementation flow chart and/or block diagram is produced
The device of energy/movement.These computer-readable program instructions can also be stored in a computer-readable storage medium, these refer to
It enables so that computer, programmable data processing unit and/or other equipment work in a specific way, thus, it is stored with instruction
Computer-readable medium then includes a manufacture comprising in one or more boxes in implementation flow chart and/or block diagram
The instruction of the various aspects of defined function action.
Computer-readable program instructions can also be loaded into computer, other programmable data processing units or other
In equipment, so that series of operation steps are executed in computer, other programmable data processing units or other equipment, to produce
Raw computer implemented process, so that executed in computer, other programmable data processing units or other equipment
Instruct function action specified in one or more boxes in implementation flow chart and/or block diagram.
The flow chart and block diagram in the drawings show system, method and the computer journeys according to multiple embodiments of the disclosure
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
One module of table, program segment or a part of instruction, the module, program segment or a part of instruction include one or more use
The executable instruction of the logic function as defined in realizing.In some implementations as replacements, function marked in the box
It can occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually be held substantially in parallel
Row, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that block diagram and/or
The combination of each box in flow chart and the box in block diagram and or flow chart, can the function as defined in executing or dynamic
The dedicated hardware based system made is realized, or can be realized using a combination of dedicated hardware and computer instructions.
The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or lead this technology
Other those of ordinary skill in domain can understand each embodiment disclosed herein.
Claims (10)
1. a kind of flexibility fatigue detection device characterized by comprising
Flexible sensor fits in the first area of the skin surface of measurand eye circumference, for according to the first area
Deformation obtains the first signal and the second signal；
Signal processing module obtains third signal and for being respectively processed to first signal and the second signal
Four signals；
The third signal and the fourth signal are sent to institute for being communicated with terminal device by signal emission module
Terminal device is stated, so that the terminal device determines the tired of the measurand according to the third signal and the fourth signal
Labor degree detecting result；
Flexible substrates for carrying the signal processing module and the signal emission module, and fit in the measurand
Skin surface second area,
Wherein, the flexible sensor, the signal processing module, the signal emission module and the flexible substrates are by soft
Property material is made.
2. the apparatus according to claim 1, which is characterized in that the flexible sensor includes:
Strain sensing devices, for obtaining the first signal according to the deformation of the first area；
Optical sensor device, for obtaining second signal according to the deformation of the second area；
Flexible substrate for carrying the strain sensing devices and the optical sensor device, and can fit in described first
Region.
3. the apparatus of claim 2, which is characterized in that the strain sensing devices include multiple strain detecting portions,
It is respectively used to the strain of detection different directions, the multiple strain detecting portion is bar structure；
The optical sensor device further includes multiple optical waveguides, and the orthogonal thereto distribution of the multiple optical waveguide.
4. device according to claim 3, which is characterized in that the strain sensing devices further include respectively with it is the multiple
The a plurality of flexible lead wire of strain detecting portion connection, a plurality of flexible lead wire are serpentine configuration.
5. device according to claim 4, which is characterized in that the strain sensing devices further include:
Sensor circuit is strained, the strain sensor circuit is connect with each flexible lead wire respectively, for examining according to the strain
The deformation in survey portion generates first signal.
6. a kind of information processing method, which is characterized in that the method is applied in terminal device, which comprises
In the third signal and fourth signal for receiving flexible fatigue detection device, the third signal and the described 4th are determined
The signal characteristic of signal；
According to the signal characteristic, first number blinking in section between determining measurand when detecting and in the detection
Between the first average duration for being blinked in section every time；
According to first number and the described first average duration and second number and the second average duration, determine described tested
The fatigue detection result of object,
Wherein, second number be the measurand under energetic state with the detection time section it is isometric when
Between the number blinked in section, what a length of measurand of the second mean time was blinked every time under energetic state is averaged
Duration.
7. according to the method described in claim 6, it is characterized in that, according to first number and the described first average duration with
And second number and the second average duration, determine the fatigue detection result of the measurand, comprising:
It is greater than or equal to first threshold and/or the first average duration in first number increment several relative to second time
When increment relative to the second average duration is greater than or equal to second threshold, determine that the fatigue detection result of the measurand is
Slight fatigue state.
8. according to the method described in claim 6, it is characterized in that, according to first number and the described first average duration with
And second number and the second average duration, determine the fatigue detection result of the measurand, comprising:
In the case where the fatigue detection result of the measurand is slight fatigue state, in first number relative to the
Two several increments are greater than first threshold and the long increment relative to the second average duration of first mean time less than the second threshold
When value, determine that the fatigue detection result of the measurand is major fatigue state.
9. according to the method described in claim 6, it is characterized in that, according to first number and the described first average duration with
And second number and the second average duration, determine the fatigue detection result of the measurand, comprising:
First number increment several relative to second time be less than first threshold and/or first mean time it is long relative to
When the increment of second average duration is less than second threshold, determine that the fatigue detection result of the measurand is energetic shape
State.
10. a kind of information processing unit, which is characterized in that described device is applied in terminal device, and described device includes:
First determining module, if receiving third signal and fourth signal in object time section for section between when detecting
Signal of blinking feature corresponding with blink matches, it is determined that eye movement of the measurand in the object time section is to blink
Eye；
Second determining module, for determine the eye movement for being confirmed as blink in the detection time section first number and the inspection
Survey the first average duration of the eye movement for being confirmed as blink in the period；
Third determining module, for according to first number, the first average duration, second number and the second mean time
It is long, determine the fatigue detection result of the measurand, wherein second number is the heartily feelings of the measurand
The number blinked within the period isometric with the detection time section under condition, a length of measurand of the second mean time
The average duration blinked in the case where energetic.
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