CN107595271A - Method for measuring heart rate, electronic equipment, storage medium and system based on mobile phone - Google Patents
Method for measuring heart rate, electronic equipment, storage medium and system based on mobile phone Download PDFInfo
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- CN107595271A CN107595271A CN201710626119.3A CN201710626119A CN107595271A CN 107595271 A CN107595271 A CN 107595271A CN 201710626119 A CN201710626119 A CN 201710626119A CN 107595271 A CN107595271 A CN 107595271A
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Abstract
The present invention provides the method for measuring heart rate based on mobile phone, including step collection information, processing information, calculates heart rate；The present invention relates to the heart rate measurement system based on mobile phone, including camera, flash lamp, display screen, rate calculation module, the light after human body reflects that camera collection flash lamp is sent, obtain sampled signal, rate calculation module is handled sampled signal, obtains process signal, and rate calculation module obtains the amplitude-versus-frequency curve of the red component of process signal, and heart rate value is shown according to the peak records heart rate value of amplitude-versus-frequency curve, display screen；The invention further relates to a kind of electronic equipment and computer-readable recording medium；The survey tool of the present invention is simply common, is convenient for carrying, data management is reliable, and measurement cost is low, by setting red component threshold value and sample frequency, solves the problems, such as that smart mobile phone heart rate measurement accuracy rate is low.
Description
Technical field
The present invention relates to human heart rate's field of measuring technique, more particularly to method for measuring heart rate, electronics based on mobile phone is set
Standby, storage medium and system.
Background technology
Heart rate is an important physical signs, and heart rate, which can be largely reflected in cardiovascular system of human body, to be permitted
The blood characteristics of more physiological and pathologicals, current many Medical Devices can detect heart rate, wherein most of is the measurement based on specialty
Equipment, although such method can obtain preferable accuracy, shortcoming is cost of equipment costly and portability is poor, no
Beneficial to the popularization and popularization of monitoring, conventional mobile phone method for measuring heart rate is to be connected by measuring instrument with smart mobile phone, will be measured
Health data be synchronized to cell-phone customer terminal, then operation, this measurement such as uploaded, deleted, being corrected in cell-phone customer terminal
Mobile phone for measuring heart rate is not used alone in method, and mobile phone simply plays a part of data management, in the case of most of open airs simultaneously
The measuring instrument of complexity can not be provided, the demand merely with mobile phone progress heart rate measurement is more and more urgent, but due to smart mobile phone
Hardware is good and bad and manufacturer's standard is different, and the accuracy of mobile phone for measuring heart rate is uneven.
The content of the invention
For overcome the deficiencies in the prior art, an object of the present invention is to provide the heart rate measurement side based on mobile phone
Method, electronic equipment, storage medium and system, survey tool is simply common, is convenient for carrying, and data management is reliable, and measurement cost is low,
Solve the problems, such as that smart mobile phone heart rate measurement accuracy rate is low.
The present invention provides the method for measuring heart rate based on mobile phone, comprises the following steps：
Information is gathered, the intensity level that collection light source is reflected by human body, obtains sampled signal；
Processing information, the sampled signal is handled using color quantization method, obtains quantized signal, according to default
Red component threshold value to the quantized signal carry out threshold value quantizing, obtain process signal；
Heart rate is calculated, obtains the amplitude-versus-frequency curve of the red component of the process signal, it is bent according to the amplitude versus frequency characte
The peak records heart rate value of line.
Further, the sample frequency of the step collection information is per second per second to 20 frames for 10 frames.
Further, the color quantization method include unified quantization algorithm, Frequency Sequence algorithm, middle position cutting algorithm,
Intermediate value splits a point algorithm.
Further, the step process information also includes information pre-processing, and processing is filtered to the quantized signal,
The filtering process is that the quantized signal remove using wavelet algorithm to make an uproar.
Further, it is specially the red color component value for obtaining the process signal per two field picture that the step, which calculates heart rate,
The average of the red color component value before calculating target two field picture, the red color component value of comparison object two field picture and the average
Size, if the red color component value of the target two field picture is small, volume pulsation wave is in decline state, if the target frame figure
The red color component value of picture is big, then volume pulsation wave is in propradation, and the heart is calculated according to the state change of the volume pulsation wave
Rate.
Further, in addition to step shows heart rate and comparison data, and the display heart rate is to show the heart rate value, institute
It is the heart rate value and default heart rate range to state comparison data, when the heart rate value exceeds the default heart rate range, is carried
Show mistake, the default heart rate range is the scope of mobile phone for measuring heart rate.
A kind of electronic equipment, including：Processor；Memory；And program, wherein described program are stored in the storage
In device, and it is configured to by computing device, described program includes being used to perform the above-mentioned method for measuring heart rate based on mobile phone.
A kind of computer-readable recording medium, is stored thereon with computer program, and the computer program is held by processor
The above-mentioned method for measuring heart rate based on mobile phone of row.
Heart rate measurement system based on mobile phone, including mobile phone, the mobile phone include camera, flash lamp, display screen, heart rate
Computing module, the camera gather the light after human body reflects that the flash lamp is sent, obtain sampled signal, the heart rate
Computing module is handled the sampled signal, obtains process signal, and the rate calculation module obtains the process signal
Red component amplitude-versus-frequency curve, and according to the peak records heart rate value of the amplitude-versus-frequency curve, the display screen display
Show the heart rate value.
Further, the rate calculation module to the sampled signal carry out processing for using color quantization method to institute
State sampled signal to be handled, obtain quantized signal, processing is filtered to the quantized signal, and according to default red point
Measure threshold value and threshold value quantizing is carried out to the quantized signal after filtering process, obtain the process signal.
Compared with prior art, the beneficial effects of the present invention are：
The present invention provides the method for measuring heart rate based on mobile phone, including step collection information, processing information, calculates heart rate；
The present invention relates to the heart rate measurement system based on mobile phone, including camera, flash lamp, display screen, rate calculation module, camera
The light after human body reflects that collection flash lamp is sent, obtains sampled signal, and rate calculation module is handled sampled signal,
Process signal is obtained, rate calculation module obtains the amplitude-versus-frequency curve of the red component of process signal, and according to amplitude versus frequency characte
The peak records heart rate value of curve, display screen show heart rate value；The invention further relates to a kind of electronic equipment and computer-readable deposit
Storage media；The survey tool of the present invention is simply common, is convenient for carrying, and data management is reliable, and measurement cost is low, red by setting
Component threshold value and sample frequency, solve the problems, such as that smart mobile phone heart rate measurement accuracy rate is low.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
The embodiment of the present invention is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the method for measuring heart rate flow chart based on mobile phone of the present invention；
Fig. 2 is the red component amplitude-versus-frequency curve figure of the present invention；
Fig. 3 is the heart rate measurement system architecture diagram based on mobile phone of the present invention.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Method for measuring heart rate based on mobile phone, as shown in figure 1, comprising the following steps：
Information is gathered, the intensity level that collection light source is reflected by human body, obtains sampled signal, the light beam that mobile phone camera is sent
It is irradiated on the finger tip of human body, when blood flows through finger tip blood vessel, by the infra-red intensity of finger tip reflection as vascular pulsation is sent out
Changing, i.e., by the infra-red intensity of finger tip reflection as heartbeat changes, the intensity of the light of mobile phone camera collection finger tip reflection
Value, saves as video information, it is preferable that the sample frequency of step collection information is per second per second to 20 frames for 10 frames, human normal
60~120 beats/min of heart rate range, the cycle of heart rate sample is 0.5s~1s, such as set Android system smart mobile phone shooting
The frequency of head collection video is per second for 10 frames.
Processing information, sampled signal is handled using color quantization method, obtains quantized signal, according to default red
Colouring component threshold value carries out threshold value quantizing to quantized signal, obtains process signal, it is preferable that it is pre- that step process information also includes information
Processing, processing is filtered to quantized signal, and filtering process is that quantized signal remove using wavelet algorithm to make an uproar, it is preferable that
Color quantization method includes unified quantization algorithm, Frequency Sequence algorithm, middle position cutting algorithm, intermediate value and splits a point algorithm, and video is believed
Breath is pre-processed, and the video information of yuv format is such as converted to the image information of rgb format, such as uses unified quantization method
Image information is handled, obtains quantized signal, quantized signal is pre-processed, it is preferable that is pre-processed to believe sampling
Number it is filtered processing, it is preferable that filtering process is that sampled signal is carried out except making an uproar, according to default red using wavelet algorithm
Component threshold value carries out threshold value quantizing to pretreated quantized signal, obtains process signal.
Heart rate is calculated, the amplitude-versus-frequency curve of the red component of process signal is obtained, as shown in Fig. 2 according to amplitude versus frequency characte
The peak records heart rate value of curve, the peak value of amplitude versus frequency characte is heart rate value, and the difficult point for improving heart rate measurement accuracy rate is arteries and veins
Fight the error of counting, by the red color component value x at current detection point and the average amplitude v of the above red color component value of n two field pictures
Compare, if red color component value x is small, i.e., volume pulsation wave is in decline state, if red color component value x is big, i.e., at volume pulsation wave
In propradation, volume pulsation wave is a pulse by the alternating of propradation to decline state, and one time pulse represents a heart
Jump, repetition said process, the average of the red color component value before rolling calculation current frame image, that is, update average, record one point
Beats in clock, obtain heart rate value, for not omission peak a and peak b, by controlling red component x at current detection point
Threshold value filters peak a and peak b, controls sampling interval duration by the sampling frame number for setting camera to record a video, makes average amplitude v
Time interval of the sampling interval duration less than subrane 1, subrane 2, subrane 3 and subrane 4 is multiplied by, while in order to not miscalculate
Peak c, sampling interval duration is controlled by the sampling frame number for setting camera to record a video, when the average amplitude v is multiplied by the sampling interval
Between be more than peak c on the left of rise wave band time interval, reduce interference crest c to the red component at average amplitude v and test point
The influence that value x comparative results are brought, improve the accuracy of heart rate measurement.
In one embodiment, it is preferable that also show heart rate and comparison data including step, display heart rate is that heart rate value is entered
Row display, comparison data is compares heart rate value and default heart rate range, when heart rate value exceeds default heart rate range, prompts mistake,
Default heart rate range is the scope of mobile phone for measuring heart rate, in addition to eartbeat interval is analyzed, if interval time occurs significantly
Degree fluctuation, then prompt for wrong data.
A kind of electronic equipment, including：Processor；Memory；And program, its Program are stored in memory, and
And be configured to by computing device, program includes being used to perform the above-mentioned method for measuring heart rate based on mobile phone；A kind of computer
Readable storage medium storing program for executing, is stored thereon with computer program, and computer program is executed by processor the above-mentioned heart rate based on mobile phone and surveyed
Amount method.
Heart rate measurement system based on mobile phone, as shown in figure 3, including mobile phone, mobile phone includes camera, flash lamp, display
Screen, rate calculation module, the light after human body reflects that camera collection flash lamp is sent, obtain sampled signal, rate calculation
Module is handled sampled signal, obtains process signal, and rate calculation module obtains the amplitude-frequency of the red component of process signal
Characteristic curve, and heart rate value is shown according to the peak records heart rate value of amplitude-versus-frequency curve, display screen, it is preferable that rate calculation
Module, which carries out processing to sampled signal, to be included handling sampled signal using color quantization method, obtains quantized signal, right
Quantized signal is filtered processing, and carries out threshold quantity to the quantized signal after filtering process according to default red component threshold value
Change, obtain process signal.
The present invention provides the method for measuring heart rate based on mobile phone, including step collection information, processing information, calculates heart rate；
The present invention relates to the heart rate measurement system based on mobile phone, including camera, flash lamp, display screen, rate calculation module, camera
The light after human body reflects that collection flash lamp is sent, obtains sampled signal, and rate calculation module is handled sampled signal,
Process signal is obtained, rate calculation module obtains the amplitude-versus-frequency curve of the red component of process signal,
And heart rate value is shown according to the peak records heart rate value of amplitude-versus-frequency curve, display screen；The invention further relates to one kind
Electronic equipment and computer-readable recording medium；The survey tool of the present invention is simply common, is convenient for carrying, and data management is reliable,
Measurement cost is low, by setting red component threshold value and sample frequency, solves that smart mobile phone heart rate measurement accuracy rate is low to ask
Topic.
More than, only presently preferred embodiments of the present invention, any formal limitation not is made to the present invention；All one's own professions
The those of ordinary skill of industry can swimmingly implement the present invention shown in by specification accompanying drawing and above；But all to be familiar with sheet special
The technical staff of industry without departing from the scope of the present invention, is made a little using disclosed above technology contents
The equivalent variations of variation, modification and evolution, it is the equivalent embodiment of the present invention；Meanwhile all substantial technologicals according to the present invention
Variation, modification and evolution of any equivalent variations made to above example etc., still fall within technical scheme
Within protection domain.
Claims (10)
1. the method for measuring heart rate based on mobile phone, it is characterised in that comprise the following steps：
Information is gathered, the intensity level that collection light source is reflected by human body, obtains sampled signal；
Processing information, the sampled signal is handled using color quantization method, quantized signal is obtained, according to default red
Colouring component threshold value carries out threshold value quantizing to the quantized signal, obtains process signal；
Heart rate is calculated, the amplitude-versus-frequency curve of the red component of the process signal is obtained, according to the amplitude-versus-frequency curve
Peak records heart rate value.
2. the method for measuring heart rate based on mobile phone as claimed in claim 1, it is characterised in that：The step collection information is adopted
Sample frequency is that 10 frames are per second per second to 20 frames.
3. the method for measuring heart rate based on mobile phone as claimed in claim 1, it is characterised in that：The color quantization method includes
Unified quantization algorithm, Frequency Sequence algorithm, middle position cutting algorithm, intermediate value split a point algorithm.
4. the method for measuring heart rate based on mobile phone as claimed in claim 1, it is characterised in that：The step process information is also wrapped
Information pre-processing is included, processing is filtered to the quantized signal, the filtering process is to the quantization using wavelet algorithm
Signal remove and made an uproar.
5. the method for measuring heart rate based on mobile phone as claimed in claim 1, it is characterised in that：It is specific that the step calculates heart rate
To obtain the red color component value of the process signal per two field picture, the red color component value before calculating target two field picture it is equal
Value, the size of the red color component value of comparison object two field picture and the average, if the red color component value of the target two field picture is small,
Then volume pulsation wave is in decline state, if the red color component value of the target two field picture is big, volume pulsation wave, which is in, to be risen
State, heart rate is calculated according to the state change of the volume pulsation wave.
6. the method for measuring heart rate based on mobile phone as claimed in claim 1, it is characterised in that：Also include step show heart rate and
Comparison data, for the display heart rate to show the heart rate value, the comparison data is the heart rate value and default heart rate
Scope, when the heart rate value exceeds the default heart rate range, mistake is prompted, the default heart rate range is mobile phone for measuring heart rate
Scope.
7. a kind of electronic equipment, it is characterised in that including：Processor；Memory；And program, wherein described program are stored in
In the memory, and it is configured to by computing device, described program includes being used for perform claim requirement 1-6 any one
Described method.
8. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that：The computer program quilt
Computing device method as claimed in any one of claims 1 to 6.
9. the heart rate measurement system based on mobile phone, including mobile phone, it is characterised in that：The mobile phone includes camera, flash lamp, shown
Display screen, rate calculation module, the camera gather the light after human body reflects that the flash lamp is sent, and obtain sampling letter
Number, the rate calculation module is handled the sampled signal, obtains process signal, and the rate calculation module obtains institute
The amplitude-versus-frequency curve of the red component of process signal is stated, and according to the peak records heart rate value of the amplitude-versus-frequency curve, institute
State display screen and show the heart rate value.
10. the heart rate measurement system based on mobile phone as claimed in claim 9, it is characterised in that：The rate calculation module pair
The sampled signal carries out processing to be handled using color quantization method the sampled signal, obtains quantized signal, right
The quantized signal is filtered processing, and carries out threshold to the quantized signal after filtering process according to default red component threshold value
Value quantifies, and obtains the process signal.
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| CN108537186A (en) * | 2018-04-13 | 2018-09-14 | 深圳壹账通智能科技有限公司 | Method, apparatus, equipment and the readable storage medium storing program for executing of all-in-one machine fraud audit |
| CN109259748A (en) * | 2018-08-17 | 2019-01-25 | 西安电子科技大学 | The system and method for handset processes face video extraction heart rate signal |
| CN109933294A (en) * | 2019-03-26 | 2019-06-25 | 努比亚技术有限公司 | Data processing method, device, wearable device and storage medium |
| CN110378240A (en) * | 2019-06-25 | 2019-10-25 | 深圳先进技术研究院 | Heart rate variability measurement method, device and mobile terminal based on mobile terminal |
| CN110664388A (en) * | 2019-09-05 | 2020-01-10 | 广州市蜗牛互动科技有限公司 | Heart rate detection method and device, storage medium and equipment |
| CN110742596A (en) * | 2019-10-17 | 2020-02-04 | Oppo广东移动通信有限公司 | Electronic equipment for photographing and biological information measurement |
| CN111110216A (en) * | 2018-10-31 | 2020-05-08 | 北京小米移动软件有限公司 | Intelligent terminal |
| CN111603154A (en) * | 2020-05-29 | 2020-09-01 | 惠州Tcl移动通信有限公司 | Heart rhythm detection method and device, storage medium and mobile terminal |
| CN115590483A (en) * | 2022-10-12 | 2023-01-13 | 深圳市联代科技有限公司（Cn） | Smart phone with health measurement system |
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| CN110742596A (en) * | 2019-10-17 | 2020-02-04 | Oppo广东移动通信有限公司 | Electronic equipment for photographing and biological information measurement |
| CN111603154A (en) * | 2020-05-29 | 2020-09-01 | 惠州Tcl移动通信有限公司 | Heart rhythm detection method and device, storage medium and mobile terminal |
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| CN115590483A (en) * | 2022-10-12 | 2023-01-13 | 深圳市联代科技有限公司（Cn） | Smart phone with health measurement system |
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