CN110277163A - State recognition and monitoring early-warning system on view-based access control model old man and patient bed - Google Patents
State recognition and monitoring early-warning system on view-based access control model old man and patient bed Download PDFInfo
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- CN110277163A CN110277163A CN201910506714.2A CN201910506714A CN110277163A CN 110277163 A CN110277163 A CN 110277163A CN 201910506714 A CN201910506714 A CN 201910506714A CN 110277163 A CN110277163 A CN 110277163A
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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Abstract
The invention discloses state recognition and monitoring early-warning systems on view-based access control model old man and patient bed.It is related to medical monitoring technical field.The present invention includes monitoring side, remote control terminal and mobile wearing terminal；Remote control terminal is connect with monitoring side, mobile wearing terminal wireless communication respectively；Monitoring side includes microprocessor, wireless transport module, mode switch module, state recognition module and memory；Microprocessor is electrically connected with wireless transport module, mode switch module, state recognition module and memory respectively；Microprocessor is also electrically connected with thermal camera, light intensity sensor, infrared lamp respectively.The present invention shoots patient image when patient's rest by thermal camera, and by state recognition module using the deep learning model of view-based access control model to whether sitting up, will stand up to leave bed and identified from the states such as after bed, accuracy and reliability is high, improves control efficiency, monitoring service number and the service quality of care provider.
Description
Technical field
The invention belongs to technical fields, more particularly to state recognition on a kind of view-based access control model old man and patient bed and monitoring
Early warning system.
Background technique
As Aged in China population specific gravity is continuously increased, hospital's nurse's human cost aggravates and artificial intelligence technology is fast
Speed development, artificial intelligence ancillary technique has been applied to old man and patient care field, labor-saving while improving monitoring garment
Business is horizontal.
The defect and deficiency of the prior art:
1. it is usually more that care provider needs to look after people, it is difficult to accompany around some old man or patient for 24 hours, and
The elderly or patient especially be easy to cause serious damage due to lacking effectively monitoring safety issue frequent occurrence when going to bed
Wound；
2. part geriatric nursing home be worn on old man's neck using the sensors such as gyroscope whether get up to it, from bed etc. into
Row monitoring, but because of situations such as old man turn over, forget wear there is a problem of that rate of false alarm is high；
In view of the above-mentioned problems, this invention address that researching and developing state recognition and monitoring on a kind of view-based access control model old man and patient bed
Early warning system；By using space or depth perception study method to whether sit up, will stand up to leave bed and from the states such as after bed into
Row identification, accuracy and reliability is high, and there is no wrong reports to fail to report situation, reduces monitoring accident, improves the prison of care provider
Protect working efficiency, monitoring service number and service quality.
Summary of the invention
The purpose of the present invention is to provide state recognition and monitoring early-warning systems on view-based access control model old man and patient bed, pass through
Using the method for space or depth perception study to whether sitting up, will stand up to leave bed and identified from the states such as after bed, accuracy
And high reliablity, there is no wrong reports to fail to report situation, reduces monitoring accident, improves control efficiency, the prison of care provider
Protect service number and service quality.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is state recognition and monitoring early-warning system on view-based access control model old man and patient bed, including monitoring side, long-range
Control terminal and mobile wearing terminal；The remote control terminal is connect with monitoring side, mobile wearing terminal wireless communication respectively；
The monitoring side includes microprocessor, wireless transport module, mode switch module, state recognition module and storage
Device；The microprocessor electrically connects with wireless transport module, mode switch module, state recognition module and memory respectively
It connects；The microprocessor is also electrically connected with thermal camera, light intensity sensor, infrared lamp respectively；
The thermal camera, for shooting patient image and being transferred to the mode switch module and shape of monitoring side respectively
State identification module；The light intensity sensor, the mode switch module for monitoring environmental light intensity and being transferred to monitoring side；It is described
Mode switch module contrast_environment light intensity and preset Intensity threshold judge whether to open infrared lamp；
The memory, for storing every frame patient image；The mode switch module, comparative analysis present frame patient figure
As obtaining present image difference value with former frame patient image；The mode switch module compares present image difference value and presets
Image difference threshold switching current operation mode be monitoring mode or operating mode；Wherein, described red under the monitoring mode
The filming frequency of outer video camera is monitoring filming frequency；Under the operating mode, the filming frequency of the thermal camera is work
Make filming frequency；
The state recognition module obtains feature vector to patient image feature extraction；The state recognition module is to bit
The feature vector model for levying the different conditions in vector and patient condition library identifies patient condition；The patient condition includes sleeping
Dormancy, face of just mounting the throne, side, which are mounted the throne, side and leaves bed body；If presently described patient condition is not sleep, the monitoring side transmitting
Warning information is to remote control terminal；
After the remote control terminal receives warning information, transmitting obtains monitoring instruction to monitoring side；The monitoring side control
The patient image that thermal camera is shot is transferred to remote control terminal by wireless transport module by system；The remote control terminal will
Patient image is shown by display screen；It is whole that the remote control terminal also transmits the mobile wearing that warning information is dressed to care provider
End.
Preferably, the monitoring side further includes the setup module being electrically connected with microprocessor；The setup module, is used for
Intensity threshold is set, is also used to be arranged the monitoring filming frequency under monitoring mode, is also used to be arranged the work under operating mode and claps
Take the photograph frequency.
Preferably, the state recognition module includes feature extraction unit, training unit, recognition unit；The feature mentions
Unit is taken, for extracting the feature vector of patient image；The training unit, according to deep learning model to the disease in training set
The training of people's image obtains the feature vector model of different conditions；Described eigenvector model is stored to patient condition library；The knowledge
After other unit receives the current patient image of feature extraction unit transmitting, in comparison current patient image and patient condition library
Feature vector model confirms patient condition.
Preferably, the microprocessor is single-chip microcontroller；The mobile wearing terminal is Intelligent bracelet；The setup module packet
Touching display screen is included, for inputting parameter and display parameters.
Preferably, the wireless transport module is one of wifi module, bluetooth module and 4G module.
The present invention is in the specific use process: the thermal camera is mounted on no dead angle shooting patient and entire hospital bed
Position at, be typically mounted above tailstock；Infrared lamp, the side of the infrared light irradiation are installed in thermal camera side simultaneously
To towards patient and hospital bed；And light intensity sensor is installed in patient's hospital bed head of a bed；And by thermal camera, infrared lamp and light
Intensity sensor is connect with microprocessor.And monitoring side and remote control terminal, remote control terminal are established by wireless transport module
It is connect with the wireless telecommunications of mobile wearing terminal.
Then, different people sleep is shot by the thermal camera respectively, just mounting the throne face, side mounts the throne and side and leave bed
The image of body constitutes the training set of different conditions, and the amount of images in training set wants sufficiently large here.The feature extraction is different
Feature vector in turntable training set；The training unit, according to deep learning model to the patient image training in training set
It obtains the feature vector model of different conditions and stores feature vector model into patient condition library；It can also be taken the photograph by infrared
Camera shoots several patient images, as test set, for testing and improving the feature vector type of corresponding states.
Finally, Intensity threshold is arranged by setup module；The monitoring filming frequency under monitoring mode is also set up simultaneously, generally
For the work filming frequency under 1-2 frame/second, and setting operating mode, general 20-30 frame/second.
The invention has the following advantages:
1, the patient image when present invention is by thermal camera shooting patient's rest, and pass through state recognition module patient
Status, if patient is not in surface condition, transmission warning information to remote control terminal, and state recognition module uses
Whether the deep learning model of view-based access control model is to sitting up, will stand up to leave bed and identify from the states such as after bed, accuracy
And high reliablity, there is no wrong reports to fail to report situation, reduces monitoring accident, improves control efficiency, the prison of care provider
Protect service number and service quality；
2, the present invention is worked as by mode switch module comparative analysis present frame patient image and the acquisition of former frame patient image
Preceding image difference value, and present image difference value and preset image difference threshold switching current operation mode are compared as monitoring mould
Formula or operating mode；Offer status image that can be when patient is just detached from sleep state promptly and accurately, improves patient condition
Discrimination improves monitoring efficiency and care quality.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is that the present invention is based on the structural schematic diagrams of state recognition and monitoring early-warning system on vision old man and patient bed.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Specific embodiment one:
Refering to Figure 1, the present invention is state recognition and monitoring early-warning system on view-based access control model old man and patient bed, packet
Include monitoring side, remote control terminal and mobile wearing terminal；Remote control terminal is logical with monitoring side, mobile wearing terminal wireless respectively
Letter connection；
Monitoring side includes microprocessor, wireless transport module, mode switch module, state recognition module and memory；
Microprocessor is electrically connected with wireless transport module, mode switch module, state recognition module and memory respectively；Micro process
Device is also electrically connected with thermal camera, light intensity sensor, infrared lamp respectively；
Thermal camera, for shoot patient image and respectively be transferred to monitoring side mode switch module and state know
Other module；Light intensity sensor, the mode switch module for monitoring environmental light intensity and being transferred to monitoring side；Mode switch module
Contrast_environment light intensity and preset Intensity threshold judge whether to open infrared lamp；
Memory, for storing every frame patient image；Mode switch module, comparative analysis present frame patient image with it is previous
Frame patient image obtains present image difference value；Mode switch module compares present image difference value and preset image difference threshold
Value switching current operation mode is monitoring mode or operating mode；Wherein, under monitoring mode, the filming frequency of thermal camera is
Guard filming frequency；Under operating mode, the filming frequency of thermal camera is work filming frequency；
State recognition module obtains feature vector to patient image feature extraction；State recognition module contrast characteristic vector with
The feature vector model of different conditions in patient condition library identifies patient condition；Patient condition includes sleep, just mounting the throne face, side
It mounts the throne and side and leaves bed body；If current patient state is not sleep, warning information is transmitted to remote control terminal in monitoring side；
After remote control terminal receives warning information, transmitting obtains monitoring instruction to monitoring side；Monitoring side control will be infrared
The patient image of video camera shooting is transferred to remote control terminal by wireless transport module；Remote control terminal passes through patient image
Display screen is shown；Remote control terminal also transmits the mobile wearing terminal that warning information is dressed to care provider.
Preferably, monitoring side further includes the setup module being electrically connected with microprocessor；Setup module, for light intensity to be arranged
Threshold value is also used to be arranged the monitoring filming frequency under monitoring mode, is also used to be arranged the work filming frequency under operating mode.
Preferably, state recognition module includes feature extraction unit, training unit, recognition unit；Feature extraction unit is used
In the feature vector for extracting patient image；Training unit obtains the patient image training in training set according to deep learning model
Take the feature vector model of different conditions；Feature vector model is stored to patient condition library；Recognition unit receives feature extraction
After the current patient image of unit transmitting, comparison current patient image and the feature vector model in patient condition library, confirmation disease
People's state.
Preferably, microprocessor is single-chip microcontroller；Mobile wearing terminal is Intelligent bracelet；Setup module includes touch display
Screen, for inputting parameter and display parameters.
Preferably, wireless transport module is one of wifi module, bluetooth module and 4G module.
The present invention is in the specific use process: thermal camera is mounted on to the position of no dead angle shooting patient and entire hospital bed
Place is set, is typically mounted above tailstock；Infrared lamp, the direction direction disease of infrared light irradiation are installed in thermal camera side simultaneously
People and hospital bed；And light intensity sensor is installed in patient's hospital bed head of a bed；And thermal camera, infrared lamp and luminous intensity are sensed
Device is connect with microprocessor.And monitoring side is established by wireless transport module and is worn with remote control terminal, remote control terminal and movement
Wear the wireless telecommunications connection of terminal.
Then, different people sleep is shot respectively by thermal camera, face of just mounting the throne, side mount the throne and side and leave bed body
Image constitutes the training set of different conditions, and the amount of images in training set wants sufficiently large here.Feature extraction difference turntable training
Feature vector in collection；Training unit obtains different conditions to the patient image training in training set according to deep learning model
Feature vector model and by feature vector model store into patient condition library；It can also be shot by thermal camera several
Patient image, as test set, for testing and improving the feature vector type of corresponding states.
Finally, Intensity threshold is arranged by setup module；The monitoring filming frequency under monitoring mode is also set up simultaneously, generally
For the work filming frequency under 1-2 frame/second, and setting operating mode, general 20-30 frame/second.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. state recognition and monitoring early-warning system on view-based access control model old man and patient bed, which is characterized in that including monitoring side, remotely
Control terminal and mobile wearing terminal；The remote control terminal is connect with monitoring side, mobile wearing terminal wireless communication respectively；
The monitoring side includes microprocessor, wireless transport module, mode switch module, state recognition module and memory；
The microprocessor is electrically connected with wireless transport module, mode switch module, state recognition module and memory respectively；Institute
Microprocessor is stated also to be electrically connected with thermal camera, light intensity sensor, infrared lamp respectively；
The thermal camera, for shoot patient image and respectively be transferred to monitoring side mode switch module and state know
Other module；The light intensity sensor, the mode switch module for monitoring environmental light intensity and being transferred to monitoring side；The mode
Switching module contrast_environment light intensity and preset Intensity threshold judge whether to open infrared lamp；
The memory, for storing every frame patient image；The mode switch module, comparative analysis present frame patient image with
Former frame patient image obtains present image difference value；The mode switch module comparison present image difference value and preset figure
As discrepancy threshold switching current operation mode is monitoring mode or operating mode；Wherein, described infrared to take the photograph under the monitoring mode
The filming frequency of camera is monitoring filming frequency；Under the operating mode, the filming frequency of the thermal camera is work bat
Take the photograph frequency；
The state recognition module obtains feature vector to patient image feature extraction；The state recognition module contrast characteristic to
Amount and the feature vector model of the different conditions in patient condition library identify patient condition；The patient condition includes sleeping, just
Mount the throne face, side mounts the throne and side and leaves bed body；If presently described patient condition is not sleep, the monitoring side transmitting early warning letter
It ceases to remote control terminal；
After the remote control terminal receives warning information, transmitting obtains monitoring instruction to monitoring side；The monitoring side control will
The patient image of thermal camera shooting is transferred to remote control terminal by wireless transport module；The remote control terminal is by patient
Image is shown by display screen；The remote control terminal also transmits the mobile wearing terminal that warning information is dressed to care provider.
2. state recognition and monitoring early-warning system on view-based access control model old man according to claim 1 and patient bed, feature
It is, the monitoring side further includes the setup module being electrically connected with microprocessor；The setup module, for light intensity threshold to be arranged
Value, is also used to be arranged the monitoring filming frequency under monitoring mode, is also used to be arranged the work filming frequency under operating mode.
3. state recognition and monitoring early-warning system on view-based access control model old man according to claim 1 and patient bed, feature
It is, the state recognition module includes feature extraction unit, training unit, recognition unit；The feature extraction unit, is used for
Extract the feature vector of patient image；The training unit, according to deep learning model to the patient image training in training set
Obtain the feature vector model of different conditions；Described eigenvector model is stored to patient condition library；The recognition unit receives
Feature vector mould after the current patient image transmitted to feature extraction unit, in comparison current patient image and patient condition library
Type confirms patient condition.
4. state recognition and monitoring early-warning system on view-based access control model old man according to claim 1 and patient bed, feature
It is, the microprocessor is single-chip microcontroller；The mobile wearing terminal is Intelligent bracelet；The setup module includes touch aobvious
Display screen, for inputting parameter and display parameters.
5. state recognition and monitoring early-warning system on view-based access control model old man according to claim 1 and patient bed, feature
It is, the wireless transport module is one of wifi module, bluetooth module and 4G module.
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Cited By (4)
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| CN112287821A (en) * | 2020-10-28 | 2021-01-29 | 业成科技（成都）有限公司 | Method and device for monitoring behavior of care object, computer equipment and storage medium |
| CN112669566A (en) * | 2020-12-16 | 2021-04-16 | 问境科技(上海)有限公司 | Nursing early warning method and system based on human body posture analysis |
| CN114027667A (en) * | 2021-12-01 | 2022-02-11 | 慕思健康睡眠股份有限公司 | Method and device for judging bed leaving state, intelligent mattress and medium |
| CN115376278A (en) * | 2022-08-09 | 2022-11-22 | 广州市番禺区中心医院 | Wearable emergency patient abnormal behavior monitoring and identifying system |
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