CN108451532A - The acquisition methods and system of respiration information - Google Patents
The acquisition methods and system of respiration information Download PDFInfo
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- CN108451532A CN108451532A CN201810399008.8A CN201810399008A CN108451532A CN 108451532 A CN108451532 A CN 108451532A CN 201810399008 A CN201810399008 A CN 201810399008A CN 108451532 A CN108451532 A CN 108451532A
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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
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
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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
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/0816—Measuring devices for examining respiratory frequency
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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
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B5/6802—Sensor mounted on worn items
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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
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6823—Trunk, e.g., chest, back, abdomen, hip
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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Abstract
The invention discloses a kind of acquisition methods of respiration information and systems, by according to preset pressure acquisition mode, the corresponding pressure signal of the multiple and different body part institutes of acquisition target body；Signal processing is carried out to the pressure signal of acquisition, analysis obtains the corresponding breath signal of the target body；According to the obtained breath signal, the corresponding respiratory intensity of the target body and respiratory rate are obtained；With the advantageous effect of more accurate respiration information is obtained by acquiring human body many places body surface pressure signal, the accuracy and reliability of respiration information acquisition is improved, also further such that the acquisition of respiration information has repeatability；In addition, body surface surface pressing information when the application uses multiple spot while acquiring target body breathing, cooperation human dissection do the technical solution of correlation analysis, can further obtain the individuations respiration informations such as breathing pattern, the organ muscle participation of target body.
Description
Technical field
The present invention relates to field of biomedicine technology, more particularly to the acquisition methods and system of a kind of respiration information.
Background technology
Breathing is the important physiology course of human body, and respiration parameter is an important physiological parameter of clinical monitoring；For example, working as
When breathing asphyxia or even death occurs in patient, medical worker can be reminded to pay attention in time by the breathing asphyxia alarm of custodial care facility
Conditions of patients, the golden hour for the patient that avoids delay；In addition, the accurate implementation of medical image and radiotherapy, is often also required to
Using patient respiratory information, four-dimension CT imaging techniques (4D-CT) such as corresponding with respiratory phase, respiration gate control radiotherapy technology
(Respiratory-Gated Radiotherapy) etc., and the standard of patient respiratory information (such as respiratory phase, respiratory cycle)
It really obtains, is an important factor for determining imaging or therapeutic effect.
At present in medical image and radiotherapy clinic, obtaining the widest method of patient respiratory Information application is：Using optics
The mode of tracking, by directly or indirectly observing the fluctuations of abdomen (or marker on abdomen) (by placing marker),
To obtain respiration information.The major defect for obtaining patient respiratory information in this way is：Human abdomen's flesh when dorsal position
Meat is moved with fat in breathing, and abdominal surface and out-of-flatness, the signal acquisition mode based on abdominal surface is simultaneously unstable,
Meanwhile individual differences and measure location-dependent query sex chromosome mosaicism, the accuracy of severe jamming respiration information acquisition, reliability with can
Repeatability.
Invention content
The present invention provides a kind of acquisition methods and system of respiration information, multiple positions when to by acquiring human body respiration
Muscular movement causes the mode of body surface pressure change, to obtain respiration information, improves the accuracy of respiration information acquisition and reliable
Property.
The present invention provides a kind of acquisition methods of respiration information, the acquisition methods of the respiration information include：
According to preset pressure acquisition mode, the corresponding pressure letter of the multiple and different body part institutes of acquisition target body
Number；
Signal processing is carried out to the pressure signal of acquisition, analysis obtains the corresponding breath signal of the target body；
According to the obtained breath signal, the corresponding respiratory intensity of the target body and respiratory rate are obtained.
Further, the multiple different body parts include：
Back, waist and the chest of target body.
Further, the preset pressure acquisition mode includes：
It is acquired for the pressure signal of back and waist, following acquisition mode may be used：It is set at the back of target body
Pressure sensor is set, either with target body or target body is made to lie in the configuration of wearable pressure sensing device
It is provided with lying down on body panel device for pressure sensor；
For the pressure signal acquisition of chest, following acquisition mode may be used：In the chest of target body, pressure is set
Sensor, or by the configuration of wearable pressure sensing device with target body.
Further, the pressure signal of described pair of acquisition carries out signal processing, and analysis obtains the target body pair
The breath signal answered, including：
Analog-to-digital conversion is carried out to the pressure signal of acquisition, the dynamic pressure signal of acquisition is converted into corresponding number
Word signal；
Transformed digital signal is filtered using bandpass filter, the noise for eliminating low frequency and high frequency is dry
It disturbs, obtains the corresponding breath signal of the target body.
Further, the breath signal that the basis obtains, obtain the corresponding respiratory intensity of the target body and
Respiratory rate, including：
According to the instantaneous amplitude for the breath signal that obtained breath signal obtains, frequency spectrum is carried out to the breath signal
Analysis, obtains the instantaneous frequency of the breath signal；
The instantaneous amplitude and instantaneous frequency are filtered respectively, it is strong to obtain the corresponding breathing of the target body
Degree and respiratory rate.
Corresponding to a kind of acquisition methods for respiration information that above-described embodiment is provided, the embodiment of the present invention additionally provides one
The acquisition system of kind respiration information, the acquisition system of the respiration information include：
Signal acquisition module, for according to preset pressure acquisition mode, the multiple and different body part institutes of acquisition target body
Corresponding pressure signal；
Signal processing module carries out signal processing for the pressure signal to acquisition, and analysis obtains the target person
The corresponding breath signal of body；
Data obtaining module, for according to the obtained breath signal, it is strong to obtain the corresponding breathing of the target body
Degree and respiratory rate.
Further, the multiple different body parts include：
Back, waist and the chest of target body.
Further, the preset pressure acquisition mode includes：
It is acquired for the pressure signal of back and waist, following acquisition mode may be used：It is set at the back of target body
Pressure sensor is set, either with target body or target body is made to lie in the configuration of wearable pressure sensing device
It is provided with lying down on body panel device for pressure sensor；
For the pressure signal acquisition of chest, following acquisition mode may be used：In the chest of target body, pressure is set
Sensor, or by the configuration of wearable pressure sensing device with target body.
Further, the signal processing module is used for：
Analog-to-digital conversion is carried out to the pressure signal of acquisition, the dynamic pressure signal of acquisition is converted into corresponding number
Word signal；
Transformed digital signal is filtered using bandpass filter, the noise for eliminating low frequency and high frequency is dry
It disturbs, obtains the corresponding breath signal of the target body.
Further, described information acquisition module is used for：
According to the instantaneous amplitude for the breath signal that obtained breath signal obtains, frequency spectrum is carried out to the breath signal
Analysis, obtains the instantaneous frequency of the breath signal；
The instantaneous amplitude and instantaneous frequency are filtered respectively, it is strong to obtain the corresponding breathing of the target body
Degree and respiratory rate.
In one embodiment of the invention, the corresponding respiratory intensity of the target body and respiratory rate are obtained, may be used also
To be embodied as：
According to preset pressure acquisition mode, the corresponding pressure letter of the multiple and different body part institutes of acquisition target body
Number；
Signal processing is carried out to the pressure signal of acquisition, analysis obtains the corresponding breath signal of the target body；
According to the obtained breath signal, the corresponding respiratory intensity of the target body and respiratory rate are obtained.This hair
The acquisition methods and system of a kind of bright respiration information can reach following advantageous effect：
By according to preset pressure acquisition mode, the corresponding pressure of the multiple and different body part institutes of acquisition target body
Signal；Signal processing is carried out to the pressure signal of acquisition, analysis obtains the corresponding breath signal of the target body；According to
The obtained breath signal obtains the corresponding respiratory intensity of the target body and respiratory rate；With by acquiring human body
Many places body surface pressure signal obtains the advantageous effect of more accurate respiration information, improves the accuracy of respiration information acquisition
And reliability, also further such that the acquisition of respiration information has repeatability；In addition, the application uses multiple spot while acquiring
Body surface surface pressing information when target body breathes, cooperation human dissection are done the technical solution of correlation analysis, can further be obtained
The individuations respiration informations such as breathing pattern, organ muscle participation to target body.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages can be by the explanations write
Pointed content is realized and is obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention is described further.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of a kind of flow diagram of embodiment of the acquisition methods of respiration information of the present invention；
Fig. 2 is a kind of embodiment party of step S20 in embodiment described in Fig. 1 in a kind of acquisition methods of respiration information of the present invention
The flow diagram of formula；
Fig. 3 is a kind of embodiment party of step S30 in embodiment described in Fig. 1 in a kind of acquisition methods of respiration information of the present invention
The flow diagram of formula；
Fig. 4 is a kind of a kind of high-level schematic functional block diagram of embodiment of the acquisition system of respiration information of the present invention.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The present invention provides a kind of acquisition methods and system of respiration information, when due to human body respiration, the contraction of lung with relax
Mainly realized by multiple muscle cooperative motions around lung, especially backbone both sides muscle group (such as intercostal muscle,
Musculus serratus posterior superior, serratus posterior inferior), muscle of back group, abdominal muscles group and chest muscle group etc., and the movement of muscle can cause body surface
The variation of pressure, this pressure change can be related to the respiration information of human body after handling, analyzing.Based on above-mentioned thought, originally
The acquisition methods and system of invention respiration information, when by acquiring human body respiration multiple positions (such as back, chest and waist)
The change information of body surface pressure caused by muscular movement is adopted to obtain the corresponding respiration information of human body to improve respiration information
The accuracy and reliability of collection；In addition, body surface surface pressing is believed when the application uses multiple spot while acquiring target body breathing
Breath, cooperation human dissection do the technical solution of correlation analysis, can further obtain breathing pattern, the organ muscle of target body
The individuations respiration information such as participation.
As shown in Figure 1, Fig. 1 is a kind of a kind of flow signal of embodiment of the acquisition methods of respiration information of the present invention
Figure；A kind of acquisition methods of respiration information of the present invention may be implemented as the step S10-S30 of description：
Step S10, according to preset pressure acquisition mode, the multiple and different body part institutes of acquisition target body are corresponding
Pressure signal；
In the embodiment of the present invention, the acquisition system (hereinafter referred to as " system ") of respiration information is according to the pressure sensing taken
The type of device carries out pressure signal according to preset pressure acquisition mode to multiple and different body parts of target body
Acquisition.For example, being acquired to the pressure signal of the back of target body, waist and chest.In the embodiment of the present invention, for
Pressure sensor set by target body includes but not limited to：Patch type pressure sensor, i.e.,：Target person body can be attached to
The corresponding site of body, while above-mentioned patch type pressure sensor being fixed with the use of fixation device, it can be used for example
The fixation devices such as dictyosome, band；Alternatively, wearable pressure sensing device；Alternatively, the plate body that lies down with pressure sensor
Equipment (such as plate body or bed etc.).
In a preferred embodiment of the invention, following pressure acquisition mode may be used to target body difference body in system
The pressure signal of body region is acquired：
It is acquired for the pressure signal of back and waist, following acquisition mode may be used：It is set at the back of target body
Pressure sensor is set, either with target body or target body is made to lie in the configuration of wearable pressure sensing device
It is provided on the body panel device that lies down (for example, plate body, bed etc.) of pressure sensor；
For the pressure signal acquisition of chest, following acquisition mode may be used：In the chest of target body, pressure is set
Sensor, for example, the chest in target body sticks pressure sensor and coordinates the fixation devices such as dictyosome, band by above-mentioned patch
Formula pressure sensor is fixed on the corresponding position of human body；Alternatively, configuring wearable pressure sensing device in target body
With；For example, being provided with the vest etc. of pressure sensor.
Step S20, signal processing is carried out to the pressure signal of acquisition, analysis obtains that the target body is corresponding to exhale
Inhale signal；
According to the pressure signal collected, system carries out analog-to-digital conversion to above-mentioned pressure signal, for example, using at least 16
The multidigit analog-digital converter of position carries out the conversion of analog and digital signal, i.e., collected above-mentioned simulated pressure signal is converted to number
Word signal, and signal processing is carried out for transformed digital signal, for example, being carried out at smothing filtering to above-mentioned digital signal
Reason eliminates influence of noise, to which analysis obtains the corresponding breath signal of the target body.
Step S30, according to the obtained breath signal, the corresponding respiratory intensity of the target body and breathing frequency are obtained
Rate.
For obtained breath signal, system carries out signal processing to it, obtains the corresponding Wave data of breath signal, and
According to the Wave data of breath signal, the corresponding respiratory intensity of target body and respiratory rate are obtained.For example, according to breath signal
Wave data, obtain the crest value and valley value of the breath signal waveform, and then calculate according to above-mentioned crest value and valley value
Obtain corresponding respiratory rate.
In a preferred embodiment of the invention, as shown in Fig. 2, Fig. 2 is a kind of acquisition methods of respiration information of the present invention
The flow diagram of a kind of embodiment of step S20 in embodiment described in middle Fig. 1；In embodiment described in Fig. 1 " step S20,
Signal processing is carried out to the pressure signal of acquisition, analysis obtains the corresponding breath signal of the target body ", it can be into one
Step is embodied as step S21-S22 described in Fig. 2：
Step S21, analog-to-digital conversion is carried out to the pressure signal of acquisition, the dynamic pressure signal of acquisition is converted to
Corresponding digital signal；
Step S22, transformed digital signal is filtered using bandpass filter, eliminates low frequency and high frequency
Noise jamming obtains the corresponding breath signal of the target body.
In the embodiment of the present invention, the digital signal that the pressure signal of acquisition is converted to, via a bandpass filter
It is filtered, the noise jamming of low frequency and high frequency is eliminated, to the breath signal that obtains that treated.The band logical is filtered
The free transmission range of wave device can be configured according to clinical or specific application scenarios, and the embodiment of the present invention is to it without tool
The restriction of body.Further, the bandpass filter employed in the embodiment of the present invention is digital band-pass filter.
In a preferred embodiment of the invention, as shown in figure 3, Fig. 3 is a kind of acquisition methods of respiration information of the present invention
The flow diagram of a kind of embodiment of step S30 in embodiment described in middle Fig. 1；In embodiment described in Fig. 1 " step S30,
According to the obtained breath signal, the corresponding respiratory intensity of the target body and respiratory rate are obtained ", it can also be further
It is embodied as step S31-S32 described in Fig. 3：
Step S31, the instantaneous amplitude of the breath signal obtained according to obtained breath signal, to the breath signal
Spectrum analysis is carried out, the instantaneous frequency of the breath signal is obtained；
Step S32, the instantaneous amplitude and instantaneous frequency are filtered respectively, obtain the target body and corresponds to
Respiratory intensity and respiratory rate.In the embodiment of the present invention, for the breath signal obtained after noise reduction process, system obtains at that time
Domain signal simultaneously carries out spectrum analysis to time-domain signal, obtains the corresponding instantaneous amplitude of the breath signal and instantaneous frequency；As right
The instantaneous respiratory intensity and instantaneous respiratory rate answered；Obtained above-mentioned instantaneous respiratory intensity and instantaneous respiratory rate are carried out respectively
Digital low-pass filtering processing obtains average respiratory intensity and average respiratory rate, exhales obtained average respiratory intensity and averagely
Frequency is inhaled as the corresponding respiratory intensity of the target body and respiratory rate.
In the embodiment of the present invention, digital low-pass filtering is carried out to obtained above-mentioned instantaneous respiratory intensity and instantaneous respiratory rate
When, using signal averaging filtering technique or equivalent infinite-duration impulse response low-pass filter；Those skilled in the art can be with
Understand, above-mentioned be filtered can also use the equal filtering technique of intermediate value either Weighted median filtering technology or general low pass filtered
Wave technology.
It can influence to breathe when speaking due to people, make detection to breath signal more so needing to remove this part signal
Accurately, in one embodiment of the invention, signal processing also is carried out to the pressure signal in the following way, obtained described
The corresponding breath signal of target body：
The pressure signal period that the target body for including in identification pressure signal is spoken；
The signal of pressure signal period that target body is spoken is removed from pressure signal, when obtaining target body peace and quiet
Pressure signal；
Pressure signal when to the target body peace and quiet is handled, and obtains the corresponding breath signal of target body；
Wherein, the pressure signal period that the target body for including in pressure signal is spoken is identified, specially：
Pressure signal when choosing the peace and quiet of multiple individuals carries out spectrum analysis with pressure signal when speaking, and will be quiet
When pressure signal frequency spectrum and pressure signal when speaking frequency spectrum as training set Training Support Vector Machines；
The pressure signal of target body is subjected to time frequency analysis, frequency is obtained and changes with time relationship, by pressure signal
The result for carrying out time frequency analysis is identified by support vector machines, when it is to speak to identify the pressure signal of certain time period
Pressure signal when, pressure signal period which is spoken as target body.
Due to different individuals, especially a human body type has an impact to obtaining breath data by pressure data, in order to subtract
Few this influence improves the accuracy of acquired breath data, in one embodiment of the invention, described to the target
Pressure signal when human body peace and quiet is handled, and obtains the corresponding breath signal of target body, specially：
It pressure signal when choosing the peace and quiet of multiple individuals and corresponding is exhaled to what the multiple individual measured
Inhale signal；
Pressure signal when to the peace and quiet of each individual carries out spectrum analysis, obtains the pressure when peace and quiet of each individual and believes
Number frequency spectrum data；
The frequency spectrum data of pressure signal when to the peace and quiet of each individual and corresponding breath signal relationship (such as pressure with
The ratio between respiratory intensity) clustering is carried out, obtain the pass of the frequency spectrum data and corresponding breath signal of pressure signal when peace and quiet
The cluster result of system；
Each classification to cluster result obtains the build (height, waistline, fat percentage etc.) of each individual in classification, and
Take build typical value of the average value of build data as corresponding classification；
According to the similarity size of the build of target body and the build typical value each classified (such as height difference, waist
The weighted average for enclosing difference and fat percentage difference is minimum), determine the classification belonging to target body；
Pressure signal when to the peace and quiet of target body carries out spectrum analysis, obtains the frequency spectrum of the pressure signal of target body
Data, the pass of the frequency spectrum data and corresponding breath signal of pressure signal when further according to the peace and quiet classified belonging to target body
System, obtains the respiratory intensity of target body；
Using the exhaling as target body of the frequency corresponding to magnitude peak in the frequency spectrum data of the pressure signal of target body
Inhale frequency.
The acquisition methods of respiration information of the present invention according to preset pressure by adopting
Mode set, the corresponding pressure signal of the multiple and different body part institutes of acquisition target body；Described in acquisition
Pressure signal carries out signal processing, and analysis obtains the corresponding breath signal of the target body；According to obtained breathing letter
Number, obtain the corresponding respiratory intensity of the target body and respiratory rate；With by acquiring human body many places body surface pressure signal
It obtains the advantageous effect of more accurate respiration information, the accuracy and reliability of respiration information acquisition is improved, also into one
Step is so that the acquisition of respiration information has repeatability；In addition, when the application uses multiple spot while acquiring target body breathing
Body surface surface pressing information, cooperation human dissection do the technical solution of correlation analysis, can further obtain exhaling for target body
The individuations respiration informations such as suction mode, organ muscle participation.
Based on a kind of acquisition methods of respiration information described in Fig. 1, Fig. 2 and Fig. 3, the present invention also provides a kind of breathings
The acquisition system of information；The acquisition system of the respiration information can implement a kind of respiration information described in Fig. 1, Fig. 2 and Fig. 3
Acquisition methods come to reach in such a way that multiple position muscular movements cause body surface pressure change when acquiring human body respiration
Obtain the purpose of respiration information；As shown in figure 4, a kind of acquisition system of respiration information of the present invention includes：
Signal acquisition module 100, for according to preset pressure acquisition mode, acquiring the multiple and different body parts of target body
The corresponding pressure signal of institute；
Signal processing module 200 carries out signal processing for the pressure signal to acquisition, and analysis obtains the target
The corresponding breath signal of human body；
Data obtaining module 300, for according to the obtained breath signal, obtaining the corresponding breathing of the target body
Intensity and respiratory rate.
In a preferred embodiment of the invention, the multiple difference body part includes：
Back, waist and the chest of target body.
In a preferred embodiment of the invention, the preset pressure acquisition mode includes：
It is acquired for the pressure signal of back and waist, following acquisition mode may be used：It is set at the back of target body
Pressure sensor is set, either with target body or target body is made to lie in the configuration of wearable pressure sensing device
It is provided with lying down on body panel device for pressure sensor；
For the pressure signal acquisition of chest, following acquisition mode may be used：In the chest of target body, pressure is set
Sensor, or by the configuration of wearable pressure sensing device with target body.
In a preferred embodiment of the invention, the signal processing module 200 is used for：
Analog-to-digital conversion is carried out to the pressure signal of acquisition, the dynamic pressure signal of acquisition is converted into corresponding number
Word signal；
Transformed digital signal is filtered using bandpass filter, the noise for eliminating low frequency and high frequency is dry
It disturbs, obtains the corresponding breath signal of the target body.
In a preferred embodiment of the invention, described information acquisition module 300 is used for：
According to the instantaneous amplitude for the breath signal that obtained breath signal obtains, frequency spectrum is carried out to the breath signal
Analysis, obtains the instantaneous frequency of the breath signal；
The instantaneous amplitude and instantaneous frequency are filtered respectively, it is strong to obtain the corresponding breathing of the target body
Degree and respiratory rate.
The acquisition system of respiration information of the present invention is by the way that according to preset pressure acquisition mode, acquisition target body is multiple and different
The corresponding pressure signal of body part institute；Signal processing is carried out to the pressure signal of acquisition, analysis obtains the mesh
Mark the corresponding breath signal of human body；According to the obtained breath signal, obtain the corresponding respiratory intensity of the target body and
Respiratory rate；With obtaining the advantageous effect of more accurate respiration information by acquiring human body many places body surface pressure signal,
The accuracy and reliability for improving respiration information acquisition, also further such that the acquisition of respiration information has repeatability；Separately
Outside, correlation is done in body surface surface pressing information when the application uses multiple spot while acquiring target body breathing, cooperation human dissection
Property analysis technical solution, can further obtain the individuations such as breathing pattern, the organ muscle participation of target body breathing letter
Breath.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of acquisition methods of respiration information, which is characterized in that the acquisition methods of the respiration information include：
According to preset pressure acquisition mode, the corresponding pressure signal of the multiple and different body part institutes of acquisition target body；
Signal processing is carried out to the pressure signal of acquisition, analysis obtains the corresponding breath signal of the target body；
According to the obtained breath signal, the corresponding respiratory intensity of the target body and respiratory rate are obtained.
2. the acquisition methods of respiration information as described in claim 1, which is characterized in that the multiple difference body part packet
It includes：
Back, waist and the chest of target body.
3. the acquisition methods of respiration information as claimed in claim 1 or 2, which is characterized in that the preset pressure acquisition mode
Including：
It is acquired for the pressure signal of back and waist, following acquisition mode may be used：At the back of target body, pressure is set
The configuration of wearable pressure sensing device either with target body or is made target body lie in setting by force snesor
There is lying down on body panel device for pressure sensor；
For the pressure signal acquisition of chest, following acquisition mode may be used：In the chest of target body, pressure sensing is set
Device, or by the configuration of wearable pressure sensing device with target body.
4. the acquisition methods of respiration information as claimed in claim 1 or 2, which is characterized in that the pressure of described pair of acquisition
Signal carries out signal processing, and analysis obtains the corresponding breath signal of the target body, including：
Analog-to-digital conversion is carried out to the pressure signal of acquisition, the dynamic pressure signal of acquisition, which is converted to corresponding number, to be believed
Number；
Transformed digital signal is filtered using bandpass filter, the noise jamming of low frequency and high frequency is eliminated, obtains
To the corresponding breath signal of the target body.
5. the acquisition methods of respiration information as claimed in claim 1 or 2, which is characterized in that the basis obtained described exhales
Signal is inhaled, the corresponding respiratory intensity of the target body and respiratory rate are obtained, including：
According to the instantaneous amplitude for the breath signal that obtained breath signal obtains, frequency spectrum point is carried out to the breath signal
Analysis, obtains the instantaneous frequency of the breath signal；
The instantaneous amplitude and instantaneous frequency are filtered respectively, obtain the corresponding respiratory intensity of the target body and
Respiratory rate.
6. a kind of acquisition system of respiration information, which is characterized in that the acquisition system of the respiration information includes：
Signal acquisition module, for according to preset pressure acquisition mode, the acquisition multiple and different body parts of target body to be distinguished
Corresponding pressure signal；
Signal processing module carries out signal processing for the pressure signal to acquisition, and analysis obtains the target body pair
The breath signal answered；
Data obtaining module, for according to the obtained breath signal, obtain the corresponding respiratory intensity of the target body and
Respiratory rate.
7. the acquisition system of respiration information as claimed in claim 6, which is characterized in that the multiple difference body part packet
It includes：
Back, waist and the chest of target body.
8. the acquisition system of respiration information as claimed in claims 6 or 7, which is characterized in that the preset pressure acquisition mode
Including：
It is acquired for the pressure signal of back and waist, following acquisition mode may be used：At the back of target body, pressure is set
The configuration of wearable pressure sensing device either with target body or is made target body lie in setting by force snesor
There is lying down on body panel device for pressure sensor；
For the pressure signal acquisition of chest, following acquisition mode may be used：In the chest of target body, pressure sensing is set
Device, or by the configuration of wearable pressure sensing device with target body.
9. the acquisition system of respiration information as claimed in claims 6 or 7, which is characterized in that the signal processing module is used for：
Analog-to-digital conversion is carried out to the pressure signal of acquisition, the dynamic pressure signal of acquisition, which is converted to corresponding number, to be believed
Number；
Transformed digital signal is filtered using bandpass filter, the noise jamming of low frequency and high frequency is eliminated, obtains
To the corresponding breath signal of the target body.
10. the acquisition system of respiration information as claimed in claims 6 or 7, which is characterized in that described information acquisition module is used
In：
According to the instantaneous amplitude for the breath signal that obtained breath signal obtains, frequency spectrum point is carried out to the breath signal
Analysis, obtains the instantaneous frequency of the breath signal；
The instantaneous amplitude and instantaneous frequency are filtered respectively, obtain the corresponding respiratory intensity of the target body and
Respiratory rate.
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| CN117503107A (en) * | 2023-12-05 | 2024-02-06 | 中国农业科学院北京畜牧兽医研究所 | Method and device for measuring bovine respiratory frequency based on differential pressure sensor |
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| CN108451532B (en) | 2020-05-01 |
| WO2019205841A1 (en) | 2019-10-31 |
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