CN109998487A - Monitoring of respiration method, apparatus, equipment and medium for image scan - Google Patents
Monitoring of respiration method, apparatus, equipment and medium for image scan Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of monitoring of respiration method, apparatus, equipment and media for image scan, which comprises obtains the respiration information of subject；The respiration information is input in the complete respiratory state disaggregated model of training, the respiratory state of the subject of the respiratory state disaggregated model output is obtained；Judge whether the respiratory state matches with preset standard type of respiration, and export prompt information corresponding with matching result, whether the respiratory state by judging automatically subject meets preset breathing requirement, improve the accuracy of monitoring of respiration, realizing auxiliary doctor instructs subject to cooperate scanning, and then the picture quality of imaging is improved, while reducing the workload of doctor.
Description
Technical field
The present embodiments relate to medical imaging field more particularly to a kind of monitoring of respiration method for image scan,
Device, equipment and medium.
Background technique
Breath signal is important physical signs, carries the physical condition information of important people.In magnetic resonance imaging or
In relevant multimodal systems, motion problems caused by breathing will affect the picture quality of instrument generation.
In order to promote picture quality, in traditional scanning process, doctor passes through the respiration cardiac electricity signal in observation monitor
Characteristic and variation, qualitatively judge the physiological status of patient, then by instrument provide voice-transmission system, remind and refer to
It leads patient and is breathed (for example, holding one's breath, even breathing etc.) or other corresponding adjustment, cooperation scanning.Specifically, imaging at present
Existing monitoring of respiration scheme is generally divided into following 4 steps in scanning process: 1, extracting patient respiration information from ventilator.2,
Constantly the electrocardio breath signal for showing patient on a monitor is read in concern to doctor in a scan, is rule of thumb estimated qualitatively
Assess patient condition.3, some specific sequences (abdomen scanning) are directed to, doctor gives the instruction of patient's voice, patient is allowed to cooperate
The scanning of sequence is breathed and (is held one's breath, even breathing), so as to improve picture quality.4, it is directed in special circumstances, Wu Fapei
Close the patient of scanning.Doctor then adjusts sequence scanning parameter (reduce repetition time TR or save some sequences) according to breathing situation
To guarantee that patient can cooperate completion to scan as far as possible.
But during the scanning process scanning doctor be difficult to long lasting for monitoring patient respiration situation, in real time quickly from
Patient respiration status information is accurately judged in respiration information, and is given patient in the appropriate time and reminded.Especially, different skills
Teacher is inconsistent to the judgement of breathing situation, can not provide the standard of directiveness.Therefore, traditional monitoring of respiration method is largely
On the experience based on scanning doctor and inaccurate, return scanning doctor and increase workload and temporal waste.
Summary of the invention
The embodiment of the invention provides a kind of monitoring of respiration method, apparatus, equipment and media for image scan, with reality
The accuracy of monitoring of respiration is now improved, auxiliary doctor instructs subject to cooperate scanning, and then improves the picture quality of imaging, simultaneously
Reduce the workload of doctor.
In a first aspect, the embodiment of the invention provides the monitoring of respiration methods for image scan, comprising:
Obtain the respiration information of subject；
The respiration information is input in the complete respiratory state disaggregated model of training, the respiratory state classification is obtained
The respiratory state of the subject of model output；
Judge whether the respiratory state matches with preset standard type of respiration, and exports mention corresponding with matching result
Show information.
Second aspect, the embodiment of the invention also provides a kind of respiration monitoring devices for image scan, comprising:
Respiration information obtains module, for obtaining the respiration information of subject；
Respiratory state categorization module, for the respiration information to be input to the complete respiratory state disaggregated model of training
In, obtain the respiratory state of the subject of the respiratory state disaggregated model output；
Prompt information output module, for judging whether the respiratory state matches with preset standard type of respiration, and
Export prompt information corresponding with matching result.
The third aspect, the embodiment of the invention also provides a kind of computer equipment, the equipment includes:
One or more processors；
Storage device, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes such as the monitoring of respiration method provided by any embodiment of the invention for image scan.
Fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program realizes such as the monitoring of respiration provided by any embodiment of the invention for image scan when the program is executed by processor
Method.
The respiration information is input to by the respiration information of acquisition subject and trains complete exhale by the embodiment of the present invention
It inhales in state classification model, obtains the respiratory state of the subject of the respiratory state disaggregated model output, judge the breathing
Whether state matches with preset standard type of respiration, and exports prompt information corresponding with matching result, by judging automatically
Whether the respiratory state of subject meets preset breathing requirement, improves the accuracy of monitoring of respiration, realizes auxiliary doctor
It instructs subject to cooperate scanning, and then improves the picture quality of imaging, while reducing the workload of doctor.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the monitoring of respiration method for image scan provided by the embodiment of the present invention one；
Fig. 2 a is a kind of flow chart of the monitoring of respiration method for image scan provided by the embodiment of the present invention two；
Fig. 2 b is provided by the embodiment of the present invention two for respiratory state classification in the monitoring of respiration method of image scan
The schematic diagram of model；
Fig. 3 is a kind of structural representation of the respiration monitoring device for image scan provided by the embodiment of the present invention three
Figure；
Fig. 4 is the structural schematic diagram of computer equipment provided by the embodiment of the present invention four.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of flow chart of the monitoring of respiration method for image scan provided by the embodiment of the present invention one.This
Embodiment is applicable to when being scanned to subject, monitors the situation of the respiratory state of subject, be particularly suitable for by
Situation when inspection person is scanned, when being measured in real time to the respiratory state of subject.This method can be by sweeping for image
The respiration monitoring device retouched executes, which can be by the way of software and/or hardware
It realizes, for example, the respiration monitoring device for being used for image scan is configured in computer equipment.As shown in Figure 1, the method
Include:
S110, the respiration information for obtaining subject.
In the present embodiment, the respiration information of subject can be obtained in several ways.Optionally, available breathing
Respiration information of the breathing sign data that machine examination measures as subject, can also by detections of radar subject's chest float with
The respiration information of subject is obtained, the breathing that subject can also be obtained by the floating of the bandage on detection subject is believed
Breath.
In one embodiment of the invention, the respiration information of subject can be for the subject's that ventilator detects
Breath signal waveform.The breath signal waveform that ventilator detects contains the information such as frequency, amplitude of subject's breathing, can be with
The respiratory state of subject is obtained according to the breath signal waveform of subject.
S120, the respiration information is input in the complete respiratory state disaggregated model of training, obtains the breathing shape
The respiratory state of the subject of state disaggregated model output.
The problems such as in order to solve the judgement of respiratory state caused by personal monitoring inaccuracy in existing monitoring of respiration, this hair
Bright embodiment identifies subject's breath signal by machine learning algorithm, predicts and determine the respiratory state of patient.Machine
Device learning algorithm can be described as the learning algorithm based on supervision, such as can be the algorithm based on decision tree such as random forest, can also
To be linear regression and be based on the linear models such as perceptron algorithm, learning distance metric algorithm can also be and based on pattra leaves
This algorithm etc..Wherein, the convolutional neural networks model based on deep learning can be based on perceptron algorithm, such as full convolution mind
It is basic model with above-mentioned model, using default feature in breath signal through network model, U-Net model and V-Net model etc.
In feature collect breath signal basic model is trained as training sample, can obtain can identify default feature
Machine learning algorithm.
In the present embodiment, respiratory state disaggregated model can be trained in advance, and breathing prison in real time is being carried out to subject
When survey, the respiration information for the subject that will acquire is input in preparatory trained respiratory state disaggregated model, obtains breathing shape
The current respiratory state of state disaggregated model output, and using current respiratory state as the respiratory state of subject.Illustratively, it exhales
It can be any one of following for inhaling the respiratory state of state classification model output: sleep stage, non-sleep stage, breathing rule
It restrains, breathe that irregular, respiratory rate is excessively high, respiratory rate is too low, deep breathing, shallow breathing etc..
In one embodiment of the invention, general respiratory state disaggregated model, the breathing to subject can be trained
Signal is classified by unified classification standard.Different monitoring requirements are directed to, are classified using identical respiratory state
Model determines the respiratory state of subject.Optionally, corresponding at least two tag along sorts of general respiratory state disaggregated model, it is such as right
Rule and respiratory rate should be breathed.Illustratively, when carrying out monitoring of respiration to subject, general respiratory state can be used
Disaggregated model classifies to the respiration information of subject, and subject's respiration information is input to general respiratory state disaggregated model
In, the respiratory state of general respiratory state disaggregated model output is obtained, judges the breathing of general respiratory state disaggregated model output
Whether state matches with preset standard type of respiration.
In another embodiment of the invention, it can also be classified according to the respiratory state of monitoring requirements training specificity
Model classifies to the breath signal of subject by different classification standards.Optionally, specific respiratory state classification
Model corresponds to a tag along sort, such as corresponding breathing rule.Illustratively, specific respiratory state disaggregated model may include
Regular disaggregated model is breathed, the classification results of output can be irregular for breathing rule or breathing, for judging exhaling for input
Whether regular inhale signal；The respiratory state disaggregated model of specificity can also include training respiratory rate disaggregated model, output
Classification results can be normal or respiratory rate is abnormal for respiratory rate, just whether the breath signal frequency for judge to input
Often；The respiratory state disaggregated model of specificity may include more detailed disaggregated model of classifying, and the classification results of output can
Think that sleep stage, the non-sleep stage, breathing rule, breathing is irregular, respiratory rate is excessively high, respiratory rate is too low, deeply breathes
With one of shallow breathing or a variety of.When training has the respiratory state disaggregated model of specificity, can select according to actual needs
The respiratory state disaggregated model for selecting corresponding specificity classifies to the breath signal of subject, obtains knot of classifying accordingly
Fruit.
Illustratively, when monitoring of respiration demand is to need to judge whether subject's respiratory rate is normal, it can be used and exhale
It inhales frequency categorization model to classify to the respiration information of subject, subject's respiration information is input to trained breathing frequency
In rate disaggregated model, the respiratory rate of acquisition respiratory rate disaggregated model output is normal or the abnormal classification of respiratory rate is tied
Fruit.When monitoring of respiration demand be need to judge subject's breathing whether rule when, can be used the regular disaggregated model of breathing to by
The respiration information of inspection person is classified, and subject's respiration information is input in the regular disaggregated model of trained breathing, is obtained
Breathe the breathing rule of regular disaggregated model output or the classification results that breathing is irregular.
S130, judge whether the respiratory state matches with preset standard type of respiration, and export and matching result pair
The prompt information answered.
In general, the different image scan stages may have different monitoring requirements during image scan.It is exemplary
, medical image scan process generally includes multiple scan phases, and different scan phases requires the breathing of subject may
It is different.Illustratively, when carrying out abdomen scanning, the scan phase of holding one's breath including needing breath-hold scans.It holds one's breath scan phase
It needs subject to hold one's breath, and adjusts breathing after holding one's breath, carry out breath-hold scans next time.When the respiratory state satisfaction of subject is worked as
When breathing needed for preceding scan phase requires, the picture quality scanned is just able to satisfy diagnostic requirements.It in the present embodiment, can be with
Monitoring process is divided at least one monitoring stage according to monitoring requirements different in scanning process, and true based on the monitoring stage
Fixed preset standard type of respiration.
In one embodiment of the invention, described to judge whether are the respiratory state and preset standard type of respiration
Matching, comprising:
The corresponding relationship that respiratory state Yu preset standard type of respiration are determined according to the monitoring stage, according to preset
The corresponding respiratory state of standard type of respiration judge the subject respiratory state and preset standard type of respiration whether
Match.
In the present embodiment, standard type of respiration and respiratory state may be one-to-one relationship, it is also possible to be one-to-many
Relationship.If passing through difference to the breath signal of subject according to the respiratory state disaggregated model of monitoring requirements training specificity
Classification standard classify, then the respiratory state and standard type of respiration of specific respiratory state disaggregated model output are one
To one relationship.Illustratively, if the respiratory state of the respiratory state disaggregated model output of specificity is breathing rule and exhales
Inhale irregular, standard type of respiration is breathing rule, then the corresponding respiratory state disaggregated model of standard type of respiration " breathing rule "
" breathing rule " in the respiratory state of output, standard type of respiration and respiratory state are one-to-one relationship.If using general
Respiratory state disaggregated model classified to the breath signal of subject by unified classification standard, then respiratory state classify
The respiratory state and standard type of respiration of model output may be one-to-one relationship, it is also possible to be many-to-one relationship.Example
Property, if the respiratory state that exports of general respiratory state disaggregated model be sleep stage, the non-sleep stage, breathing rule,
Breathe that irregular, respiratory rate is excessively high, respiratory rate is too low, deeply breathe and shallow breathing, standard type of respiration are that breathing is normal, then
It is " sleep stage " in the respiratory state of the corresponding respiratory state disaggregated model output of standard type of respiration " breathing normal ", " non-to sleep
Dormancy stage, " breathing rule ", standard type of respiration and respiratory state are one-to-many relationship.
Optionally, if according to the respiratory state disaggregated model of monitoring requirements training specificity, to the breath signal of subject
Classified by different classification standards, then it can be directly by the respiratory state of the respiratory state disaggregated model output of specificity
Match with standard type of respiration.Illustratively, if the respiratory state of the respiratory state disaggregated model output of specificity is breathing
Rule or breathing are irregular, then can directly exhale " the breathing rule " of the respiratory state disaggregated model output of specificity with standard
Type is inhaled to be matched.
If being carried out using breath signal of the general respiratory state disaggregated model to subject by unified classification standard
Classification, then can preset the corresponding relationship of standard type of respiration and respiratory state, obtain subject respiratory state it
Afterwards, judge whether the respiratory state of subject exhales with preset standard according to the corresponding relationship of standard type of respiration and respiratory state
Inhale type matching.Optionally, corresponding standard type of respiration of different monitoring stages may be different, in the present embodiment, can be with
Corresponding standard type of respiration of each monitoring stage is predefined, and establishes each standard type of respiration pass corresponding with respiratory state
System.When carrying out monitoring of respiration, the corresponding respiratory state of standard type of respiration is determined according to the corresponding relationship pre-established.Example
Property, it is " breathing that respiratory state " sleep stage ", " non-sleep stage " and " breathing rule " corresponding type of respiration, which can be set,
Normally ", respiratory state " breathing is irregular ", " respiratory rate is excessively high ", " respiratory rate is too low ", " deep breathing " and " shallow breathing " is right
The type of respiration answered is " adnormal respiration ".When carrying out monitoring of respiration, if the respiratory state of the subject obtained is " sleep rank
Section ", standard type of respiration are " breathing is normal ", then determine that the type of respiration of subject is matched with standard type of respiration；If obtaining
Subject respiratory state be respiratory rate it is excessively high, then determine subject respiratory state and standard type of respiration mismatch.
In the present embodiment, after judging whether subject's respiratory state matches with preset standard type of respiration, output
Prompt information corresponding with matching result.Optionally, prompt information may include the breathing quality score of subject, breathing guidance
The exhibition method of at least one of information and early warning information, prompt information can be the side such as text prompt, voice prompting
Formula.Illustratively, to subject carry out monitoring of respiration when, can the breathing quality in real time to subject score, and will
Quality score is breathed to show by text in display interface；It can also be breathed according to the respiratory state of subject and preset standard
Type generates corresponding breathing guidance information, and is exported by voice mode, to prompt subject according to breathing guidance information tune
Whole respiratory state；Corresponding early warning can also be generated according to the respiratory state of subject and preset standard type of respiration to believe
Breath, to prompt doctor or subject's adnormal respiration.It is understood that the scoring of the breathing quality score in different monitoring stages
Standard is different, and the meaning for breathing quality score height is also different.Illustratively, the monitoring stage may include monitoring the preparation stage,
At least one in common monitoring stage and task monitoring stage.Monitor the breathing quality score of preparation stage and common monitoring stage
Whether standard can normal for subject's breathing, and breathing quality score is higher, indicates the respiratory state of subject closer to breathing
Normal type.Whether the breathing quality score standard in task monitoring stage can meet exhaling for task state demand for subject's breathing
Suction state, breathing quality score is higher, indicates that subject's respiratory state more meets the respiratory state of task state demand.
Monitoring of respiration method provided by the embodiment of the present invention can during image scan for a long time real-time
The data for monitoring the breathing in subject's multiple periods (carry out duration prison to the breathing of subject such as in entire scanning process
Survey), the information (waveform, time interval etc.) breathed by machine learning algorithm according to subject precisely and is quantitatively known in real time
The corresponding respiratory state of subject is analyzed with this and identified to other subject's respiration information, according to exhaling for determining subject
Suction state automatically controls voice system, instructs subject that scanning or guidance scanning doctor is cooperated to adjust sequential parameter, thus automatically
And quickly auxiliary technician instructs patient to adjust breathing, cooperation scanning and adjustment scanning sequence parameter, reduces because breathing problem is led
What is caused rescans and improves picture quality, while dramatically reducing the burden of radiographer.
The respiration information is input to by the respiration information of acquisition subject and trains complete exhale by the embodiment of the present invention
It inhales in state classification model, obtains the respiratory state of the subject of the respiratory state disaggregated model output, judge the breathing
Whether state matches with preset standard type of respiration, and exports prompt information corresponding with matching result, by judging automatically
Whether the respiratory state of subject meets preset breathing requirement, improves the accuracy of monitoring of respiration, realizes auxiliary doctor
It instructs subject to cooperate scanning, and then improves the picture quality of imaging, while reducing the workload of doctor.
On the basis of above scheme, the monitoring stage includes the monitoring preparation stage, and the preset standard breathes class
Type include breathing normal type, it is described judge whether the respiratory state matches with preset standard type of respiration, and output and
The corresponding prompt information of matching result, comprising:
Judge whether the respiratory state of the subject matches with the breathing normal type, and is exported according to matching result
Breathing quality score corresponding with the matching result.
In general, the breathing before needing to carry out subject monitoring of respiration is known before carrying out monitoring of respiration to subject
Not.In the present embodiment, the monitoring stage can be set to the monitoring preparation stage, and preparation stage corresponding standard will be monitored
Type of respiration is set as breathing normal type.In the monitoring preparation stage, the breathing of the respiratory cycle of subject's predetermined number is obtained
Information, according to the respiratory state of the complete respiratory state disaggregated model output subject of the respiration information of acquisition and training, and
Judge whether the respiratory state of subject matches with breathing normal type, the breathing quality of subject is exported according to matching result
Scoring, to judge the breathing quality of subject before monitoring of respiration.Optionally, predetermined number can be 6.
On the basis of above scheme, the monitoring stage includes the common monitoring stage, and the preset standard breathes class
Type include breathing normal type, it is described judge whether the respiratory state matches with preset standard type of respiration, and output and
The corresponding prompt information of matching result, comprising:
Judge whether the respiratory state of the subject matches with the breathing normal type, if the breathing of the subject
It fails to match with the breathing normal type for state, then exports corresponding early warning information.
During carrying out monitoring of respiration to subject, when scanning sequence breathes without particular requirement subject, need
To the common monitoring that subject is breathed, i.e. whether monitoring subject breathes normally, and issues in subject's adnormal respiration
Warning message, to prompt doctor's subject's adnormal respiration.In the present embodiment, scanning sequence can breathe without spy subject
Monitoring stage when provisioning request is set as the common monitoring stage, and corresponding standard type of respiration of common monitoring stage is set as exhaling
Inhale normal type.In the commonly monitoring stage, the respiration information of subject is obtained in real time, according to the respiration information of acquisition and training
The respiratory state of complete respiratory state disaggregated model output subject, and judge subject respiratory state whether with breathing just
Normal type matches, and when it fails to match for the respiratory state and breathing normal type for judging subject, output early warning letter
Breath.Optionally, the breathing quality score of subject can also be generated according to the respiratory state of subject, and will breathe quality score
It is shown by display device.
On the basis of above scheme, the monitoring stage includes the task monitoring stage, and the task monitoring stage includes
Mission ready time, it is described to judge whether the respiratory state matches with preset standard type of respiration, and export and match knot
The corresponding prompt information of fruit, comprising:
Judging the respiratory state of the subject preset standard type of respiration corresponding with the mission ready time is
No matching；
If the preset standard type of respiration matching corresponding with the mission ready time of the respiratory state of the subject
Failure, then export briefing information, so that subject adjusts respiratory state according to the briefing information；
If the preset standard type of respiration matching corresponding with the mission ready time of the respiratory state of the subject
Success, then export task execution information, so that subject executes breathing task according to the task execution information.
During carrying out monitoring of respiration to subject, when scanning sequence has particular requirement to subject's breathing, need
The task that subject is breathed is monitored, i.e., whether monitoring subject meets the required respiratory state of scanning.In this implementation
In example, there can be monitoring stage when particular requirement to be set as the task monitoring stage subject's breathing scanning sequence, it will
The task monitoring stage is divided into mission ready time and tasks execution phases.It is in mission ready time monitoring subject's respiratory state
It is no to meet the needs of entering tasks execution phases.Optionally, the corresponding preset standard of mission ready time can be breathed into class
Type is set as the first type of respiration, in mission ready time, obtains the respiration information of subject in real time, is believed according to the breathing of acquisition
The respiratory state of breath and the complete respiratory state disaggregated model output subject of training, and judge that the respiratory state of subject is
It is no to match with the first type of respiration, and corresponding prompt information is exported according to matching result.
Optionally, if the respiratory state of subject is with the first type of respiration, it fails to match, indicates the respiratory state of subject
It is unsatisfactory for the breathing requirement of mission ready time, corresponding prompt information prompt subject adjustment breathing cooperation can be exported and swept
It retouches, or prompts scanning doctor by adjusting the sweep parameter (such as sweep time) of scanning sequence to improve scanning effect.Optionally,
For the ease of subject during the scanning process and scanning doctor can be accessible receive prompt information, voice can be passed through
Mode exports prompt information, can also will pass through the behaviour of scanning doctor's operation for the prompt information of scanning doctor with written form
Make interface output.If the respiratory state of subject and the first type of respiration successful match, export task execution information, so that by
Inspection person executes breathing task according to task execution information.
In the present embodiment, after respiration monitoring device continues to monitor preset time period, subject's respiratory state and first
Type of respiration is when still it fails to match, determines that subject can not adjust respiratory state to meet the breathing requirement of mission ready time,
Then output sequence optimizes prompt information, is optimized and (is scanned as reduced to the sweep parameter of scanning sequence with prompt scanning doctor
Time etc.), to improve scanning effect and quality when subject can not cooperate scanning.By excavating physiology in patient respiration signal
Information is reminded scanning doctor's adjusting and optimizing scanning sequence parameter when monitoring that subject can not cooperate with scanning on one's own initiative, is avoided
Subject can not cooperate scanning to cause to sweep the waste on caused sweep time again.
On the basis of above scheme, the task monitoring stage further includes tasks execution phases, is exhaled described in the judgement
Whether suction state matches with preset standard type of respiration, and exports prompt information corresponding with matching result, comprising:
Judging the respiratory state of the subject preset standard type of respiration corresponding with the tasks execution phases is
No matching, and breathing quality score corresponding with the matching result is exported according to matching result.
After the respiratory state for judging subject standard type of respiration successful match corresponding with mission ready time, enter
Tasks execution phases, and continue the respiratory state of real-time monitoring subject.It optionally, can be corresponding pre- by tasks execution phases
If standard type of respiration be set as the second type of respiration, according to the respiration information of acquisition and training complete respiratory state point
Class model exports the respiratory state of subject, and the respiratory state of subject is matched with the second type of respiration, according to
Breathing quality score with result output subject.Optionally, in tasks execution phases, by the respiratory state to subject into
Whether row scoring, evaluation subject meet the breathing requirement of tasks execution phases in the respiratory state of tasks execution phases.It is optional
, breathing quality score is higher, indicates the respiratory state of subject closer to the second type of respiration.
The present embodiment is by issuing suitable at scanning to particular sequence (such as carrying out the abdomen scanning being affected by breathing)
When signals direct subject carry out breathing cooperation scanning so that the scanning of particular sequence is more accurate, and then improve image
Quality.
In the present embodiment, whether the respiratory state that the task monitoring stage is used to monitor subject meets task state demand
Respiratory state.Optionally, the task monitoring stage includes hold one's breath task monitoring stage and/or eupnea task monitoring stage.
When scan phase is held one's breath in entrance, subject is needed to hold one's breath, subject needs a period of time adjustment to exhale after holding one's breath
It inhales, to just can be carried out breath-hold scans next time.In the present embodiment, task of the holding one's breath monitoring stage includes monitoring preparation rank of holding one's breath
It section and holds one's breath and monitors the execution stage.Holding one's breath and monitoring preparation stage corresponding standard type of respiration to be the regular type of breathing, screen
It can be type of holding one's breath that gas, which monitors execution stage corresponding standard type of respiration,.Optionally, the preparation stage is monitored holding one's breath, use
Respiration monitoring device judges whether the respiratory state of subject is to breathe regular type.It is not breathing in the respiratory state of subject
When regular type, continue the respiratory state for monitoring subject, until subject's respiratory state is to breathe regular type.By
The respiratory state of inspection person is that sending, which is held one's breath, executes prompt information when breathing regular type, instructs subject to hold one's breath, and enter and hold one's breath
Monitor the execution stage.The execution stage is monitored holding one's breath, judges whether the respiratory state of subject is screen using respiration monitoring device
Gas type, and export quality score of holding one's breath accordingly (breathing quality score).
When carrying out the scanning of breathing navigation sequence, subject's eupnea, respiratory rate is needed to be higher than certain frequency
Threshold value and respiratory intensity are higher than certain intensity threshold.In the present embodiment, the corresponding monitoring rank of navigation sequence will can be breathed
Section is set as the eupnea task monitoring stage.In the present embodiment, the eupnea task monitoring stage includes eupnea prison
It surveys the preparation stage and eupnea monitors the execution stage.The eupnea monitoring preparation stage, corresponding standard type of respiration can be
First eupnea type, it can be the second eupnea class that eupnea, which monitors execution stage corresponding standard type of respiration,
Type.Wherein, the first eupnea type and the second eupnea type may be same type of respiration, it is also possible to exhale to be different
Inhale type.Optionally, eupnea monitor the preparation stage, using respiration monitoring device judge subject respiratory state whether
For the first eupnea type.When the respiratory state of subject is not the first eupnea type, continue to monitor subject's
Respiratory state, until subject's respiratory state is the first eupnea type.
When the respiratory state of subject is the first eupnea type, issues breathing navigation and execute prompt information, go forward side by side
Enter the eupnea monitoring execution stage.The execution stage is monitored in eupnea, judges exhaling for subject using respiration monitoring device
Whether suction state is the second eupnea type, and exports corresponding breathing quality score.
In one embodiment of the invention, further includes: instructed according to the sub-scanning received, into the auxiliary
The corresponding task of scan instruction monitors stage, and determining standard type of respiration corresponding with the task monitoring stage.
Optionally, when entering specific scan phase, scanning device can be sent and specific scanning to respiration monitoring device
Stage corresponding sub-scanning instruction, after respiration monitoring device receives sub-scanning instruction, into sub-scanning instruction pair
The task monitoring stage answered, and determining standard type of respiration corresponding with the task monitoring stage.It in the present embodiment, can be preparatory
The corresponding relationship of sub-scanning instruction, task monitoring stage and standard type of respiration is set, when receiving sub-scanning instruction,
Determine that received sub-scanning instructs corresponding task monitoring stage and mark by searching for pre-set corresponding relationship
Quasi- type of respiration.It should be noted that task monitoring stage corresponding standard type of respiration includes that mission ready time is corresponding
Standard type of respiration and the corresponding standard type of respiration of tasks execution phases, since the corresponding standard of mission ready time breathes class
Type and the corresponding standard type of respiration of tasks execution phases may be identical, it is also possible to and it is different, therefore the task monitoring stage is corresponding
Standard type of respiration may be a kind of type of respiration, it is also possible to be two kinds of types of respiration.
Illustratively, when scan phase is held one's breath in entrance, scanning device sends sub-scanning of holding one's breath to respiration monitoring device
Instruction, respiration monitoring device receive hold one's breath sub-scanning instruction after, by searching for pre-set corresponding relationship determination hold one's breath
It is to breathe regular type and type of holding one's breath, and will breathe regular type as screen that sub-scanning, which instructs corresponding standard type of respiration,
The standard type of respiration of breath monitoring preparation stage, the type that will hold one's breath is as the standard type of respiration for monitoring the execution stage of holding one's breath.In advance
First setting task, which monitors the mark type of respiration in stage, can make the result of monitoring of respiration more accurate.
Embodiment two
Fig. 2 a is a kind of flow chart of the monitoring of respiration method for image scan provided by the embodiment of the present invention two.This
Embodiment is further optimized on the basis of the above embodiments.As shown in Figure 2 a, which comprises
S210, sample respiration information and the corresponding label of the history respiration information are obtained, the label is for indicating
The respiratory state of sample.
In the present embodiment, the respiration information of subject is divided using training complete respiratory state disaggregated model
Before class, the neural network framework pre-established is trained, obtains training complete respiratory state disaggregated model.
In one embodiment of the invention, the respiration information of multiple samples can be obtained in advance, and to each sample
Respiration information manually marked, determine the label of each history respiration information.Wherein, the label of each sample respiration information can
It is determined with the class categories exported by respiratory state disaggregated model.Illustratively, if respiratory state disaggregated model needs to export
Class categories be " breathing rule " and " breathing is irregular ", then be " to exhale to the label that each history respiration information is labeled
Inhale rule " or " breathing is irregular ".It, can will be each if respiratory state disaggregated model needs the class categories that export in further detail
The respiration information of sample is set as more detailed label.More detailed classification can be found in above-described embodiment, no longer superfluous herein
It states.
S220, training sample is generated based on the sample respiration information and the corresponding label of the sample respiration information
Collection, is trained the neural network framework pre-established using the training sample set, obtains training complete breathing shape
State disaggregated model.
For each sample respiration information, is formed and instructed based on the label of the sample respiration information and the sample respiration information
Practice sample pair, the corresponding training sample of each sample respiration information is to generating training sample set, using training sample set to building in advance
The neural network framework stood is trained, and obtains training complete respiratory state disaggregated model.Illustratively, prison can be used
The deep learning algorithm for superintending and directing formula study is trained established respiratory state disaggregated model, learns the history marked out breathing
The feature (frequency, amplitude, form, the variation tendency of such as respiratory waveform) of information obtains training complete respiratory state classification mould
Type.
Fig. 2 b is provided by the embodiment of the present invention two for respiratory state classification in the monitoring of respiration method of image scan
The schematic diagram of model.In Fig. 2 b by taking deep learning algorithm as an example, subject's breath signal is carried out to by machine learning algorithm
Identification is illustrated.As shown in Figure 2 b, sample breath signal is input to the deep learning model (respiratory state pre-established
Disaggregated model) in, obtain the differentiation result of the respiratory state of deep learning model output (breathing rule or breathing are irregular).
S230, the respiration information for obtaining subject.
S240, the respiration information is input in the complete respiratory state disaggregated model of training, obtains the breathing shape
The respiratory state of the subject of state disaggregated model output.
S250, judge whether the respiratory state matches with preset standard type of respiration, and export and matching result pair
The prompt information answered.
The technical solution of the embodiment of the present invention is increased on the basis of the above embodiments using sample respiration information to building
The operation that the neural network framework stood is trained, it is corresponding by obtaining sample respiration information and the sample respiration information
Label；Training sample set is generated based on the label of the sample respiration information and the sample respiration information, using described
Training sample set is trained the neural network framework pre-established, obtains training complete respiratory state disaggregated model,
So that the classification results of the respiratory state obtained based on respiratory state disaggregated model are more accurate.
Embodiment three
Fig. 3 is a kind of structural representation of the respiration monitoring device for image scan provided by the embodiment of the present invention three
Figure.The respiration monitoring device for being used for image scan can be realized by the way of software and/or hardware, such as this is used for image
The respiration monitoring device of scanning can be configured in computer equipment.As shown in figure 3, described device includes that respiration information obtains mould
Block 310, respiratory state categorization module 320 and prompt information output module 330, in which:
Respiration information obtains module 310, for obtaining the respiration information of subject；
Respiratory state categorization module 320, for the respiration information to be input to the complete respiratory state classification mould of training
In type, the respiratory state of the subject of the respiratory state disaggregated model output is obtained；
Prompt information output module 330, for judging whether the respiratory state matches with preset standard type of respiration,
And export prompt information corresponding with matching result.
The embodiment of the present invention obtains the respiration information that module obtains subject, respiratory state categorization module by respiration information
The respiration information is input in the complete respiratory state disaggregated model of training, the respiratory state disaggregated model output is obtained
Subject respiratory state, prompt information output module judge the respiratory state and preset standard type of respiration whether
Match, and export prompt information corresponding with matching result, it is preset whether the respiratory state by judging automatically subject meets
Breathing requires, and improves the accuracy of monitoring of respiration, realizes auxiliary doctor and subject is instructed to cooperate scanning, and then improve into
The picture quality of picture, while reducing the workload of doctor.
On the basis of above scheme, the preset standard type of respiration is determined based on the monitoring stage.
On the basis of above scheme, the monitoring stage includes the monitoring preparation stage, and the preset standard breathes class
Type includes breathing normal type, and the prompt information output module 330 is specifically used for:
Judge whether the respiratory state of the subject matches with the breathing normal type, and is exported according to matching result
Breathing quality score corresponding with the matching result.
On the basis of above scheme, the monitoring stage includes the common monitoring stage, and the preset standard breathes class
Type includes breathing normal type, and the prompt information output module 330 is specifically used for:
Judge whether the respiratory state of the subject matches with the breathing normal type, if the breathing of the subject
It fails to match with the breathing normal type for state, then exports corresponding early warning information.
On the basis of above scheme, the monitoring stage includes the task monitoring stage, and the task monitoring stage includes
Mission ready time, the prompt information output module 330 are specifically used for:
Judging the respiratory state of the subject preset standard type of respiration corresponding with the mission ready time is
No matching；
If the preset standard type of respiration matching corresponding with the mission ready time of the respiratory state of the subject
Failure, then export briefing information, so that subject adjusts respiratory state according to the briefing information；
If the preset standard type of respiration matching corresponding with the mission ready time of the respiratory state of the subject
Success, then export task execution information, so that subject executes breathing task according to the task execution information.
On the basis of above scheme, the task monitoring stage further includes tasks execution phases, and the prompt information is defeated
Module 330 is specifically used for out:
Judging the respiratory state of the subject preset standard type of respiration corresponding with the tasks execution phases is
No matching, and breathing quality score corresponding with the matching result is exported according to matching result.
On the basis of above scheme, described device further includes model training module, is used for:
Sample respiration information and the corresponding label of the history respiration information are obtained, the label is for indicating sample
Respiratory state；
Training sample set is generated based on the sample respiration information and the corresponding label of the sample respiration information, is used
The training sample set is trained the neural network framework pre-established, obtains training complete respiratory state classification mould
Type.
Any embodiment can be performed for the respiration monitoring device of image scan provided by the embodiment of the present invention to be provided
The monitoring of respiration method for image scan, have the corresponding functional module of execution method and beneficial effect.
Example IV
Fig. 4 is the structural schematic diagram of computer equipment provided by the embodiment of the present invention four.Fig. 4, which is shown, to be suitable for being used in fact
The block diagram of the exemplary computer device 412 of existing embodiment of the present invention.The computer equipment 412 that Fig. 4 is shown is only one
Example, should not function to the embodiment of the present invention and use scope bring any restrictions.
As shown in figure 4, computer equipment 412 is showed in the form of universal computing device.The component of computer equipment 412 can
To include but is not limited to: one or more processor 416, system storage 428 connect different system components (including system
Memory 428 and processor 416) bus 418.
Bus 418 indicates one of a few class bus structures or a variety of, including memory bus or Memory Controller,
Peripheral bus, graphics acceleration port, processor 416 or total using the local of any bus structures in a variety of bus structures
Line.For example, these architectures include but is not limited to industry standard architecture (ISA) bus, microchannel architecture
(MAC) bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI) are total
Line.
Computer equipment 412 typically comprises a variety of computer system readable media.These media can be it is any can
The usable medium accessed by computer equipment 412, including volatile and non-volatile media, moveable and immovable Jie
Matter.
System storage 428 may include the computer system readable media of form of volatile memory, such as deposit at random
Access to memory (RAM) 430 and/or cache memory 432.Computer equipment 412 may further include it is other it is removable/
Immovable, volatile/non-volatile computer system storage medium.Only as an example, storage device 434 can be used for reading
Write immovable, non-volatile magnetic media (Fig. 4 do not show, commonly referred to as " hard disk drive ").Although not shown in fig 4,
The disc driver for reading and writing to removable non-volatile magnetic disk (such as " floppy disk ") can be provided, and non-easy to moving
The CD drive that the property lost CD (such as CD-ROM, DVD-ROM or other optical mediums) is read and write.In these cases, each
Driver can be connected by one or more data media interfaces with bus 418.Memory 428 may include at least one
Program product, the program product have one group of (for example, at least one) program module, these program modules are configured to perform this
Invent the function of each embodiment.
Program/utility 440 with one group of (at least one) program module 442, can store in such as memory
In 428, such program module 442 includes but is not limited to operating system, one or more application program, other program modules
And program data, it may include the realization of network environment in each of these examples or certain combination.Program module 442
Usually execute the function and/or method in embodiment described in the invention.
Computer equipment 412 can also be with one or more external equipments 414 (such as keyboard, sensing equipment, display
424 etc.) it communicates, the equipment interacted with the computer equipment 412 communication can be also enabled a user to one or more, and/or
(such as network interface card is adjusted with any equipment for enabling the computer equipment 412 to be communicated with one or more of the other calculating equipment
Modulator-demodulator etc.) communication.This communication can be carried out by input/output (I/O) interface 422.Also, computer equipment
412 can also by network adapter 420 and one or more network (such as local area network (LAN), wide area network (WAN) and/or
Public network, such as internet) communication.As shown, network adapter 420 passes through its of bus 418 and computer equipment 412
The communication of its module.It should be understood that although not shown in the drawings, other hardware and/or software can be used in conjunction with computer equipment 412
Module, including but not limited to: microcode, device driver, redundant processing unit, external disk drive array, RAID system, magnetic
Tape drive and data backup storage system etc..
Processor 416 by the program that is stored in system storage 428 of operation, thereby executing various function application and
Data processing, such as realize the monitoring of respiration method that image scan is used for provided by the embodiment of the present invention, this method comprises:
Obtain the respiration information of subject；
The respiration information is input in the complete respiratory state disaggregated model of training, the respiratory state classification is obtained
The respiratory state of the subject of model output；
Judge whether the respiratory state matches with preset standard type of respiration, and exports mention corresponding with matching result
Show information.
Certainly, it will be understood by those skilled in the art that processor can also realize it is provided by any embodiment of the invention
The technical solution of monitoring of respiration method for image scan.
Embodiment five
The embodiment of the present invention five additionally provides a kind of computer readable storage medium, is stored thereon with computer program, should
The monitoring of respiration method that image scan is used for as provided by the embodiment of the present invention, this method are realized when program is executed by processor
Include:
Obtain the respiration information of subject；
The respiration information is input in the complete respiratory state disaggregated model of training, the respiratory state classification is obtained
The respiratory state of the subject of model output；
Judge whether the respiratory state matches with preset standard type of respiration, and exports mention corresponding with matching result
Show information.
Certainly, a kind of computer readable storage medium provided by the embodiment of the present invention, the computer program stored thereon
The method operation being not limited to the described above, can also be performed the breathing provided by any embodiment of the invention for image scan
Relevant operation in monitoring method.
The computer storage medium of the embodiment of the present invention, can be using any of one or more computer-readable media
Combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.It is computer-readable
Storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device or
Device, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes: tool
There are electrical connection, the portable computer diskette, hard disk, random access memory (RAM), read-only memory of one or more conducting wires
(ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-
ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer-readable storage
Medium can be any tangible medium for including or store program, which can be commanded execution system, device or device
Using or it is in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal,
Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited
In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can
Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for
By the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited
In wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof
Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++,
It further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with
It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion
Divide and partially executes or executed on a remote computer or server completely on the remote computer on the user computer.?
Be related in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (LAN) or
Wide area network (WAN)-be connected to subscriber computer, or, it may be connected to outer computer (such as mentioned using Internet service
It is connected for quotient by internet).
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of monitoring of respiration method for image scan characterized by comprising
Obtain the respiration information of subject；
The respiration information is input in the complete respiratory state disaggregated model of training, the respiratory state disaggregated model is obtained
The respiratory state of the subject of output；
Judge whether the respiratory state matches with preset standard type of respiration, and exports prompt letter corresponding with matching result
Breath.
2. the method according to claim 1, wherein the preset standard type of respiration is true based on the monitoring stage
It is fixed.
3. according to the method described in claim 2, it is characterized in that, the monitoring stage include monitoring the preparation stage, it is described pre-
If standard type of respiration include breathing normal type, it is described judge whether are the respiratory state and preset standard type of respiration
Matching, and export prompt information corresponding with matching result, comprising:
Judge whether the respiratory state of the subject matches with the breathing normal type, and according to matching result output and institute
State the corresponding breathing quality score of matching result.
4. described pre- according to the method described in claim 2, it is characterized in that, the monitoring stage includes the common monitoring stage
If standard type of respiration include breathing normal type, it is described judge whether are the respiratory state and preset standard type of respiration
Matching, and export prompt information corresponding with matching result, comprising:
Judge whether the respiratory state of the subject matches with the breathing normal type, if the respiratory state of the subject
It fails to match with the breathing normal type, then exports corresponding early warning information.
5. according to the method described in claim 2, it is characterized in that, the monitoring stage include task monitoring the stage, described
The business monitoring stage includes mission ready time, described to judge whether the respiratory state matches with preset standard type of respiration,
And export prompt information corresponding with matching result, comprising:
Judge the respiratory state of the subject preset standard type of respiration corresponding with the mission ready time whether
Match；
If it fails to match for the respiratory state of the subject preset standard type of respiration corresponding with the mission ready time,
Briefing information is then exported, so that subject adjusts respiratory state according to the briefing information；
If the respiratory state of the subject preset standard type of respiration successful match corresponding with the mission ready time,
Task execution information is then exported, so that subject executes breathing task according to the task execution information.
6. according to the method described in claim 5, it is characterized in that, the task monitoring stage further include tasks execution phases,
It is described to judge whether the respiratory state matches with preset standard type of respiration, and export prompt letter corresponding with matching result
Breath, comprising:
Judge the respiratory state of the subject preset standard type of respiration corresponding with the tasks execution phases whether
Match, and breathing quality score corresponding with the matching result is exported according to matching result.
7. the method according to claim 1, wherein further include:
Sample respiration information and the corresponding label of the sample respiration information are obtained, the label is used to indicate the breathing of sample
State；
Training sample set is generated based on the sample respiration information and the corresponding label of the sample respiration information, using described
Training sample set is trained the neural network framework pre-established, obtains training complete respiratory state disaggregated model.
8. a kind of respiration monitoring device for image scan characterized by comprising
Respiration information obtains module, for obtaining the respiration information of subject；
Respiratory state categorization module is obtained for the respiration information to be input in the complete respiratory state disaggregated model of training
Obtain the respiratory state of the subject of the respiratory state disaggregated model output；
Prompt information output module for judging whether the respiratory state matches with preset standard type of respiration, and exports
Prompt information corresponding with matching result.
9. a kind of computer equipment, which is characterized in that the equipment includes:
One or more processors；
Storage device, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
The now monitoring of respiration method for image scan as described in any in claim 1-7.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The monitoring of respiration method for image scan as described in any in claim 1-7 is realized when execution.
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