CN107822597A - Based on the calculating of intelligent platform heart vitality index and image conversion display system and method - Google Patents
Based on the calculating of intelligent platform heart vitality index and image conversion display system and method Download PDFInfo
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Abstract
The invention discloses one kind based on the calculating of intelligent platform heart vitality index and image conversion display system and method, human body cardiechema signals are gathered by portable intelligent bluetooth stethoscope, mobile phone realizes bluetooth connection with Intelligent stethoscope, and signal is sent to mobile phone terminal and preserved by stethoscope in real time.Based on the heart sound segmentation result obtained after the signal resampling currently gathered, try to achieve the S1/S2 in heart sound segmentation result, D/S, the parameters such as S1/Sum, according to these parameter designings, a kind of heart vitality index based on intelligent mobile phone platform calculates and graphic software platform method, is shown with intuitively image conversion method.The present invention facilitates people and grasps the heart vigor condition of oneself at any time, it will substantially reduces harm of the heart disease to human body.
Description
Technical field
The present invention relates to smart machine and health detection technical field, and in particular to one kind is based on intelligent platform heart vigor
Index calculates and image conversion display system and method.
Background technology
Cardiac parameter contributes to diagnosis of cardiovascular diseases, observes the state of an illness, infers the pathogenetic pathology of disease, selects treatment side
Method, estimating prognosis etc..Heart features parameter has D/S (time diastole/time in systole phase), S1/Sum (first heart sound Shannon energy
Total shannon energy in amount/heart sound segment cycle), S1/S2 (first heart sound shannon energy/second heart sound shannon energy) etc..Each ginseng
Several values has certain relation with cardiac health.
The importance of D/S ratio index is that it is the time index of heart perfusion deposit, highlights the length of diastole
Spend the meaning to maintaining health of heart state：It is whether sufficient that the heart blood supply time is assessed with D/S ratios index, and is used as one
Heart reservation index because it be related to diastole can be heart contraction lay in nutriment and oxygen number, be related to ventricle and fill
The amount of being full of and output quantity.
D/S is classified the value to health of heart state estimation
>The reference value of=1.5 adult's diastole heart itself blood supply time index
1.49-1.30 hearts are likely to be in subclinical, sub-health state
1.29-1.00 is except in physiological stress state (such as gestational period, excitement), outside, heart is necessarily in morbid state；
<1.00 warning values, show that heart is in the dangerous state for being likely to occur cardiac event
As the basis of heart sound analysis, the D/S of heart sound after segmentation, S1/S2, S1/Sum value are in disease, health, sportsman
Value among each crowd has different distribution.Three parameters show respectively the different health status of heart.It is in order that each
The heart body that parameter represents respectively can be come out with a parameter visual representation, cardiac function can be done using marking form
One entirety is judged.Be related to heart disease and the judgement of health during this, heart sound segmentation, heart contraction and time diastole,
Shannon energy ratio size of first heart sound and second heart sound etc..
Mobile phone turns into the necessary article that people carry with now, and platform development heart vitality assessment system is used as by the use of mobile phone
System, allows people to grasp the heart vigor condition of oneself anywhere or anytime, it will to substantially reduce harm of the heart disease to human body.Its
Middle crucial technical problem has：The waveform of heart sound shows, characterized that the extraction of heart vigor characteristic parameter and vitality index are directly perceived
Graphic software platform method.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided one kind is calculated based on intelligent platform heart vitality index and image
Change display system and method, for being convenient for people to flexibly grasp the heart of oneself.
In view of the above mentioned problem of prior art, according to one side disclosed by the invention, the present invention uses following technology
Scheme：
A kind of heart vitality index based on smart machine platform calculates and image conversion display system, including：
Signal processing module, for the cardiechema signals collected to be handled, obtain heart sound segmentation result；
Grader, for heart sound segmentation result to be classified；
Computing module, for by heart features parameter integration be one sign heart vitality index, realize by
Single score reflects cardiac health；
Display module, the cardiechema signals collected for real-time display, and the figure of display heart vitality index.
In order to which the present invention is better achieved, further technical scheme is：
According to one embodiment of the invention, smart machine is mobile phone.
According to another embodiment of the invention, human body cardiechema signals are gathered by stethoscope and are sent to smart machine.
According to another embodiment of the invention, the stethoscope is connected by bluetooth with the smart machine.
According to another embodiment of the invention, the signal processing module includes carrying out resampling to cardiechema signals,
Heart sound segmentation result is obtained after wavelet filtering, shannon energy filtering and given threshold processing.
According to another embodiment of the invention, heart sound segmentation result is divided into health and disease two by the grader
.
According to another embodiment of the invention, the computing module is divided based on the classification of grader, extracts S1/
Tri- characteristic parameters of S2, D/S, S1/Sum, three scores are multiplied by after respective weight to add with basic split-phase and finally scored.
According to another embodiment of the invention, the figure of the heart vitality index includes：
The change of vitality index 0 to 100 is represented by the height of block diagram, all shows a score value and star after measurement every time
Level, and record addition in the block diagram end of last registration, one tendency chart of formation.
According to another embodiment of the invention, the computing module is using the signal of player group as calculating
Standard reference value.
The present invention can also be：
A kind of heart vitality index based on smart machine platform calculates and image conversion display methods, including：
1) cardiechema signals of collection are subjected to resampling, by wavelet filtering, at shannon energy filtering and given threshold
Heart sound segmentation result is obtained after reason；
2) signal of resampling is combined with the segmentation result in step 1), class of fit device, diagnostic result exported
For health and disease two, starting score ScoreBaseX is obtained, X is 1 when diagnostic result is disease, and diagnostic result is for health
X is 2；
3) given threshold on the basis of obtained segmentation result, S1 is found using by the filtered signal of shannon energy
With S2 beginning and end, D/S, S1/S2, the S1/Sum in each segmentation result are obtained, and by D/S, the S1/S2 in each segmentation,
S1/Sum averages to obtain the signal D/S, S1/S2, S1/Sum average value as the foundation for calculating fraction；
4) using the signal of player group as standard reference value, the average value of the performance of athletic heart is set to most standard
Cardiechema signals, by the D/S in sportsman's sample, S1/S2, S1/Sum average value as full marks desired value, parameters
The value related to sportsman's average is scored at, is had
ScoreS1/S2=f (StandardS1/S2)
ScoreD/S=g (StandardD/S)
ScoreS1/Sum=h (StandardS1/Sum)
Wherein each parameter differs bigger with sportsman's desired value, and score is lower；
5) ScoreS1/S2 that will be obtained in step 4), ScoreD/S, ScoreS1/Sum are multiplied by their respective weight systems
Number simultaneously adds with basic split-phase, obtains final score, i.e. heart vitality index：
Score=ScoreBaseX+ScoreS1/S2*coefS1/S2+ScoreD/S*coefD/S+S coreS1/Sum*
coefS1/Sum
6) healthy population is separately given a mark with sick people, characterizes the vitality index of heart, and shown.
Compared with prior art, one of beneficial effects of the present invention are：
One kind of the present invention is based on the calculating of intelligent platform heart vitality index and image conversion display system and method, utilizes intelligence
Can cell phone apparatus realize the display of heart sound waveform, preserve, record the variation tendency of heart vitality index, user can at any time with
The heart to oneself on ground is monitored, and heart sound situation can be recorded in time simultaneously for the uncomfortable situation of heart of burst
Preserve, the valuable information referred to is provided for doctor.In addition, develop this on widely used intelligent mobile phone platform
Monitoring system is planted, can not only open up the New function of smart mobile phone, promotes the development of New Generation of Intelligent mobile phone, and and and Internet of Things
Application it is closely related.
Brief description of the drawings
, below will be to embodiment for clearer explanation present specification embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in the description of prior art, it should be apparent that, drawings in the following description are only
It is the reference to some embodiments in present specification, for those skilled in the art, is not paying creative work
In the case of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the calculation process block diagram according to one embodiment of the invention.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
A kind of heart vitality index based on smart machine platform calculates and an embodiment of image conversion display system, including
Signal processing module, grader, computing module and display module etc.：Signal processing module is used to enter the cardiechema signals collected
Row processing, obtains heart sound segmentation result；Grader is used to be classified heart sound segmentation result；Computing module is used for heart is special
The vitality index that parameter integration is a sign heart is levied, is realized by single score to reflect cardiac health；It is aobvious
Show and module be used for the cardiechema signals that real-time display collects (including real-time display waveform is adopted by portable intelligent bluetooth stethoscope
Collection human body signal is simultaneously sent to mobile phone, energy real-time display waveform, is easy to observe heartbeat rule), and display heart vitality index
Figure (including：The change of vitality index 0 to 100 is represented by the height of block diagram, all shows a score value after measurement every time
And star, and the record is added at the block diagram end of last registration, a tendency chart is formed, user can be allowed simple and clear
Understand the heart of oneself).
Wherein, smart machine can be mobile phone etc..
In order to which invention is described in detail, another embodiment, one kind realizes heart vitality index on intelligent mobile phone platform
Calculating and graphic software platform method, be easy to people flexibly to grasp very much the heart of oneself.The invention is by portable
Smart bluetooth stethoscope gathers human body cardiechema signals, and mobile phone and Intelligent stethoscope realize bluetooth connection, and stethoscope is real-time by signal
Be sent to mobile phone terminal and preserve.Based on the heart sound segmentation result obtained after the signal resampling currently gathered, heart sound point is tried to achieve
S1/S2 in section result, the parameter such as D/S, S1/Sum, a kind of heart based on intelligent mobile phone platform according to these parameter designings
Vitality index calculates and graphic software platform method, is shown with intuitively image conversion method.Specific implementation is：
1) mode of the signal waveform collected is included being stored in mobile phone on mobile phone interface, and by waveform, just
In checking or be sent to friend in the future.
2) according to the segmentation result after heart sound resampling, contrast sick people's heart sound and healthy population heart sound, signal is judged
Belong to health group or disease group, obtain heart vitality index basis and divide ScoreBase1 or ScoreBase2.
3) signal after being segmented according to heart sound, first heart sound S1 and second heart sound S2 starting point and terminal is determined, is obtained
S1/S2 (S1, S2 are shannon energy in the segmentation).
4) according to S1, the S2 obtained in 2) starting point and terminal, D/S, S1/Sum value are obtained.
5) S1/S2 of gained, D/S, S1/Sum are scaled the score of heart vitality index, respectively ScoreS1/S2,
ScoreD/S, ScoreS1/Sum.
6) basis above obtained is divided to ScoreBaseX, ScoreS1/S2, ScoreD/S, ScoreS1/Sum are multiplied by
The weight of each fraction and addition, obtain heart vigor fraction Score to the end, namely heart vitality index.Its cardiac vigor refers to
Number full marks are 100, and minimum starting score divides ScoreBase1 for the basis of disease group.
7) by counted heart vigor fraction Score, mark on a columnar alignment, the line is with height come mark 0 to 100
Score value, higher modern age table is more healthy.
Fig. 1 be according to the calculation process block diagram of one embodiment of the invention, below in conjunction with Fig. 1 to the present invention furtherly
It is bright, as shown in figure 1, be primarily based on some grader is determined as health or disease by cardiechema signals, choose corresponding basis point
ScoreBaseX (X is 1 or 2), is then based on the signal of oneself collection, is first intuitively shown with waveform, be easy to observe
Heartbeat rule, secondly S1/S2, tri- characteristic parameter extractions of D/S, S1/Sum are come out, and this three scores are multiplied by respective power
Add after weight with basic split-phase and finally scored, final scoring can be shown on mobile phone, and display methods is mark one
Bar score value is on 0 to 100 columnar alignment, and the change of vitality index is represented by the height of block diagram, is all shown after measurement every time
One score value and star, and the record is added at the block diagram end of last registration, a tendency chart is formed, user can be allowed simple
What is singly understood understands the heart of oneself.Wherein each fraction is calculated as follows：
Divide based on total score and be multiplied by their own weight sum with each parameter scores：
Score=ScoreBaseX+ScoreS1/S2*coefS1/S2+ScoreD/S*coefD/S+S coreS1/Sum*
coefS1/Sum
The final total score of disease group is less than the starting score of health group：
ScoreBase1+ScoreS1/S2*coefS1/S2+ScoreD/S*coefD/S+ScoreS1/Sum*coefS1/
Sum<=ScoreBase2
Heart vitality index full marks are 100, that is, are categorized as the top score of health group：
ScoreBase2+ScoreS1/S2*coefS1/S2+ScoreD/S*coefD/S+ScoreS1/Sum*coefS1/
Sum<=100
More than under rule, its index (fraction) computational methods is：
1) cardiechema signals of collection are subjected to resampling, by wavelet filtering, shannon energy filtering and given threshold etc.
Heart sound segmentation result is obtained after relevant treatment.
2) segmentation result of the signal of resampling in 1) is combined, class of fit device, is strong by diagnostic result output
Health and disease two, obtain the starting score ScoreBaseX in this computational methods, and when diagnostic result is disease, X is 1, diagnosis knot
Fruit is that health is that X is 2.
3) given threshold on the basis of obtained segmentation result, S1 is found using by the filtered signal of shannon energy
With S2 beginning and end, D/S, S1/S2, the S1/Sum in each segmentation result are obtained, and by D/S, the S1/S2 in each segmentation,
S1/Sum averages to obtain the signal D/S, S1/S2, S1/Sum average value as the foundation for calculating fraction.
4) using the signal of player group as standard reference value, the average value of the performance of athletic heart is set to and " most marked
The cardiechema signals of standard ", the D/S in all sportsman's samples, S1/S2, S1/Sum average value is every as full marks desired value
Parameter is scored at the value related to sportsman's average, has
ScoreS1/S2=f (StandardS1/S2)
ScoreD/S=g (StandardD/S)
ScoreS1/Sum=h (StandardS1/Sum)
Wherein each parameter differs bigger with sportsman's desired value, and score is lower.
5) ScoreS1/S2 that will be obtained in 4), ScoreD/S, ScoreS1/Sum are multiplied by their respective weight coefficients simultaneously
Add with basic split-phase, obtain final score, i.e. heart vitality index：
Score=ScoreBaseX+ScoreS1/S2*coefS1/S2+ScoreD/S*coefD/S+S coreS1/Sum*
coefS1/Sum
6) from the point of view of appraisal result, the result is single hundred-mark system marking result, by healthy population and sick people point
Perform fighting point.The index score result has following characteristics：Full marks are 100 points, and the heart of full marks scorekeeper and sportsman are very
It is similar, it is a standard of healthy heart sound；The minimum starting score for being divided into Disease, the heart sound is disease heart sound, and heart is joined
D/S is counted, S1/S2, S1/Sum differ greatly with normal person, and it is extremely unhealthy to show as heart；The index score knot of healthy population
Fruit is consistently higher than sick people, has separability；Cardiac health is reflected by single score, and intuitively shown, letter
It is single understandable.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, identical similar portion cross-reference between each embodiment.
" one embodiment " for being spoken of in this manual, " another embodiment ", " embodiment ", etc., refer to tying
Specific features, structure or the feature for closing embodiment description are included at least one embodiment of the application generality description
In.It is not necessarily to refer to same embodiment that statement of the same race, which occur, in multiple places in the description.Appoint furthermore, it is understood that combining
When one embodiment describes a specific features, structure or feature, what is advocated is this to realize with reference to other embodiment
Feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can be to master in the range of disclosure and claim
The building block and/or layout for inscribing composite configuration carry out a variety of variations and modifications.Except what is carried out to building block and/or layout
Outside variations and modifications, to those skilled in the art, other purposes also will be apparent.
Claims (10)
1. a kind of heart vitality index based on smart machine platform calculates and image conversion display system, it is characterised in that including：
Signal processing module, for the cardiechema signals collected to be handled, obtain heart sound segmentation result；
Grader, for heart sound segmentation result to be classified；
Computing module, for being a vitality index for characterizing heart by heart features parameter integration, realize by single
Score reflects cardiac health；
Display module, the cardiechema signals collected for real-time display, and the figure of display heart vitality index.
2. the heart vitality index according to claim 1 based on smart machine platform calculates and image conversion display system,
It is characterized in that smart machine is mobile phone.
3. the heart vitality index according to claim 1 based on smart machine platform calculates and image conversion display system,
It is characterized in that human body cardiechema signals are gathered by stethoscope and are sent to smart machine.
4. the heart vitality index according to claim 3 based on smart machine platform calculates and image conversion display system,
It is characterized in that the stethoscope is connected by bluetooth with the smart machine.
5. the heart vitality index according to claim 1 based on smart machine platform calculates and image conversion display system,
It is characterized in that the signal processing module includes carrying out resampling to cardiechema signals, filtered by wavelet filtering, shannon energy
Heart sound segmentation result is obtained with after given threshold processing.
6. the heart vitality index according to claim 1 based on smart machine platform calculates and image conversion display system,
It is characterized in that heart sound segmentation result is divided into health and disease two by the grader.
7. the heart vitality index according to claim 1 based on smart machine platform calculates and image conversion display system,
It is characterized in that the computing module is divided based on the classification of grader, tri- features ginsengs of extraction S1/S2, D/S, S1/Sum
Number, three scores are multiplied by after respective weight to add with basic split-phase and finally scored.
8. the heart vitality index according to claim 1 based on smart machine platform calculates and image conversion display system,
It is characterized in that the figure of the heart vitality index includes：
The change of vitality index 0 to 100 is represented by the height of block diagram, all shows a score value and star after measurement every time, and
Record addition in the block diagram end of last registration, one tendency chart of formation.
9. the heart vitality index according to claim 1 based on smart machine platform calculates and image conversion display system,
It is characterized in that the computing module is using the signal of player group as the standard reference value for calculating.
10. a kind of heart vitality index based on smart machine platform calculates and image conversion display methods, it is characterised in that including：
1) cardiechema signals of collection are subjected to resampling, by wavelet filtering, after shannon energy filtering and given threshold processing
Obtain heart sound segmentation result；
2) signal of resampling is combined with the segmentation result in step 1), class of fit device, is strong by diagnostic result output
Health and disease two, obtain starting score ScoreBaseX, X is 1 when diagnostic result is disease, and diagnostic result is that health is that X is
2；
3) given threshold on the basis of obtained segmentation result, S1 and S2 are found using by the filtered signal of shannon energy
Beginning and end, obtain D/S, S1/S2, the S1/Sum in each segmentation result, and by the D/S in each segmentation, S1/S2, S1/
Sum averages to obtain the signal D/S, S1/S2, S1/Sum average value as the foundation for calculating fraction；
4) using the signal of player group as standard reference value, the average value of the performance of athletic heart is set to the heart of most standard
Sound signal, by the D/S in sportsman's sample, S1/S2, S1/Sum average value are as full marks desired value, the score of parameters
For the value related to sportsman's average, have
ScoreS1/S2=f (StandardS1/S2)
ScoreD/S=g (StandardD/S)
ScoreS1/Sum=h (StandardS1/Sum)
Wherein each parameter differs bigger with sportsman's desired value, and score is lower；
5) ScoreS1/S2 that will be obtained in step 4), ScoreD/S, ScoreS1/Sum are multiplied by their respective weight coefficients simultaneously
Add with basic split-phase, obtain final score, i.e. heart vitality index：
Score=ScoreBaseX+ScoreS1/S2*coefS1/S2+ScoreD/S*coefD/S+S coreS1/Sum*
coefS1/Sum
6) healthy population is separately given a mark with sick people, characterizes the vitality index of heart, and shown.
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