CN105433926A - Personnel physiological state early warning method based on age group detection - Google Patents
Personnel physiological state early warning method based on age group detection Download PDFInfo
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
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- A61B5/74—Details of notification to user or communication with user or patient ; user input means
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Abstract
The invention relates to a personnel physiological state early warning method based on age group detection. The method comprises the steps that 1, a personnel physiological state early warning system based on the age group detection is provided and comprises a pulse monitoring subsystem, a blood oxygen monitoring subsystem, an age group detecting subsystem and a main controller, the pulse monitoring subsystem extracts blood pulse parameters of detected personnel based on the detection result of the age group detecting subsystem, the blood oxygen monitoring subsystem monitors the blood oxygen saturation degree of the detected personnel based on the detection result of the age group detecting subsystem, and the main controller carries out early warning on the physiological state of the detected personnel based on the monitoring result of the pulse monitoring subsystem and the blood oxygen monitoring subsystem; 2, the early warning system is used.
Description
Technical field
The present invention relates to medical device fields, particularly relate to a kind of personnel's physiological status method for early warning detected based on age bracket.
Background technology
The interval that its each physiological parameter of the people of Different age group distributes is different, if adopt the detecting instrument with identical parameters threshold value to carry out physiological status detection to the people of Different age group, diverse testing result may be obtained, very likely mistaken diagnosis can occur therebetween, serious meeting causes over-treatment or delays the state of an illness.But, there is not the medical device can selecting different physiological parameter threshold based on Different age group in prior art, even lack artificial cognition age bracket, on recognition result, manually adjust the technical scheme of physiological parameter threshold.
Meanwhile, it is single all to there is testing mechanism in various physical parameter detector device of the prior art, and each instrument is general only for detecting a physiological parameter; And testing mechanism falls behind, the structural redundancy of detecting instrument is not high, the accurate not defect of precision, even if cause the people for same age bracket to detect, accuracy of detection is also difficult to meet medical demands, and the power dissipation ratio that instrument runs is also higher, and cost performance is reasonable not.
For this reason, the present invention proposes a kind of personnel's physiological status early warning system detected based on age bracket, pulse detection equipment and blood oxygen checkout equipment are concentrated in a detecting instrument and works simultaneously, optimize the structure of existing checkout equipment, more crucially, for the personnel to be measured of four age brackets divided, the technology of high precision image identification is adopted to carry out age bracket identification, and different physiological parameter threshold value of warning is set adaptively according to the result of age bracket identification, thus realize the intellectualized detection of Medical Instruments.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of personnel's physiological status early warning system detected based on age bracket, pulse detection equipment and blood oxygen checkout equipment are concentrated in a detecting instrument and works simultaneously, optimize the structure of existing checkout equipment, more crucially, for the personnel to be measured of four age brackets divided, the technology of high precision image identification is adopted to carry out age bracket identification, and each different physiological parameter threshold value of warning is set adaptively according to the result of age bracket identification, thus Misdiagnosis is avoided to occur.
According to an aspect of the present invention, provide a kind of personnel's physiological status early warning system detected based on age bracket, described early warning system comprises pulse monitoring subsystem, blood Monitoring Oxygen Ventilation subsystem, age bracket detection subsystem and master controller, described pulse monitoring subsystem extracts tested personnel's blood pulse parameter based on the testing result of described age bracket detection subsystem, described blood Monitoring Oxygen Ventilation subsystem is monitored tested personnel's blood oxygen saturation based on the testing result of described age bracket detection subsystem, described master controller carries out early warning based on the monitored results of described pulse monitoring subsystem and described blood Monitoring Oxygen Ventilation subsystem to the physiological status of tested personnel.
More specifically, in the described personnel's physiological status early warning system detected based on age bracket, comprise: FLASH memory, black and white threshold value and threshold number of pixels are prestored, described black and white threshold value is used for performing binary conversion treatment to image, described FLASH memory has also prestored four kinds of gray processing face masterplates, described four kinds of gray processings face masterplate is by facial to benchmark child age bracket, benchmark child age section face, benchmark mature age section face and benchmark old man age bracket face carry out taking obtained face-image respectively and perform gray processing process and obtain, described FLASH memory is also for prestoring age bracket physiological parameter synopsis, described age bracket physiological parameter synopsis saves child's age bracket, child age section, the benchmark pulse range that each age bracket in mature age section and old age bracket four kinds of age brackets is corresponding, benchmark sinus rate scope, benchmark PR interval, benchmark QT interval scope, benchmark blood glucose upper concentration, benchmark blood glucose least concentration, benchmark blood oxygen saturation upper concentration and benchmark blood oxygen saturation least concentration, high-definition camera, for taking tested personnel's face, to obtain tested personnel's face-image, facial recognition device comprises the sub-device of Image semantic classification, the sub-device of binary conversion treatment, column border detect sub-device, the sub-device of row rim detection, the sub-device of Target Segmentation and the sub-device of target recognition, the sub-device of described Image semantic classification is connected with described high-definition camera, strengthen and wavelet filtering process to perform adaptive edge successively to described tested personnel's face-image, to obtain pretreatment face-image, the sub-device of described binary conversion treatment is connected respectively with the sub-device of described Image semantic classification and described FLASH memory, the brightness of each pixel of described pretreatment face-image is compared respectively with described black and white threshold value, when the brightness of pixel is greater than described black and white threshold value, pixel is designated as white pixel, when the brightness of pixel is less than described black and white threshold value, pixel is designated as black picture element, thus obtains binaryzation face-image, described column border detects sub-device and is connected respectively with the sub-device of described binary conversion treatment and described FLASH memory, for to described binaryzation face-image, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels are designated as edge columns, the sub-device of described row rim detection is connected respectively with the sub-device of described binary conversion treatment and described FLASH memory, for to described binaryzation face-image, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels is designated as edge lines, the sub-device of described Target Segmentation and described column border detect sub-device and the sub-device of described row rim detection is connected respectively, region edge columns and edge lines interweaved is as target domain of the existence, and from described binaryzation face-image, be partitioned into described target domain of the existence to export as facial subimage, the background of facial subimage from tested personnel's face-image to be separated, the sub-device of described target recognition is connected respectively with the sub-device of described Target Segmentation and described FLASH memory, by described facial subimage and four kinds of gray processings face stencil matchings, the highest age bracket corresponding to gray processing face template of output matching degree is as the age bracket of tested personnel, first resistance, one end is connected with 5V power supply, and the other end is connected with the anode of infrared receiving diode, second resistance, one end is connected with 5V power supply, and the other end is connected with one end of the 3rd resistance, 3rd resistance, other end ground connection, and there is the resistance identical with the second resistance, first two-way operational amplifier, for generation of the reference voltage of 2.5V, its anode is connected with the other end of the second resistance, and negative terminal is connected with one end of the first electric capacity, outfan is connected with the negative terminal of infrared-emitting diode, and negative terminal is also connected with the negative terminal of infrared-emitting diode, first electric capacity, other end ground connection, 4th resistance, one end is connected with the negative terminal of infrared-emitting diode, second two-way operational amplifier, anode is connected with the other end of the 4th resistance, and negative terminal is connected with the anode of infrared receiving diode, and outfan is as pulse voltage, 5th resistance, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal, second electric capacity, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal, infrared-emitting diode, is arranged on tested personnel ear blood capillary position, and for launching infrared light, the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode, infrared receiving diode, is arranged on tested personnel ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission tested personnel ear blood capillary, near infrared light emitter, is arranged on tested personnel's finger fingertip blood capillary position, is connected with light source driving circuit, for the LED control signal sent based on light source driving circuit, launches near infrared light, light source driving circuit, is connected with described near infrared light emitter, for sending LED control signal to described near infrared light emitter, near infrared light receptor, is arranged on tested personnel's finger fingertip, is positioned at the relative position of described light emitting diode, for receiving the near infrared light after transmission tested personnel finger fingertip blood capillary, parameter extraction equipment, be connected respectively with described near infrared light emitter and described near infrared light receptor, based on the light attenuation degree of the near infrared light of near infrared light and the transmission of launching, the HbO2 Oxyhemoglobin content in calculating tested personnel blood and reduced hemoglobin content, master controller, with described parameter extraction equipment connection, based on the blood oxygen saturation of HbO2 Oxyhemoglobin content and reduced hemoglobin cubage tested personnel, described master controller is also connected to obtain described pulse voltage with the outfan of described second two-way operational amplifier, and when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when described blood oxygen saturation is at default blood oxygen saturation upper concentration, send the too high identification signal of blood oxygen saturation, when described blood oxygen saturation is at default blood oxygen saturation least concentration, send the too low identification signal of blood oxygen saturation, wherein, between infrared-emitting diode and infrared receiving diode during pulseless, pulse voltage is benchmark pulse voltage threshold, when there is the pulse of beating between infrared-emitting diode and infrared receiving diode, blood vessels make ear's light transmission be deteriorated, and pulse voltage is greater than benchmark pulse voltage threshold, wherein, the first two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company, wherein, master controller is also connected respectively with facial recognition device and FLASH memory, age bracket based on the tested personnel of facial recognition device output determines benchmark pulse range in described age bracket physiological parameter synopsis, benchmark sinus rate scope, benchmark PR interval, benchmark QT interval scope, benchmark blood glucose upper concentration, benchmark blood glucose least concentration, benchmark blood oxygen saturation upper concentration and benchmark blood oxygen saturation least concentration, and as presetting pulse range, preset sinus rate scope, preset PR interval, preset QT interval scope, preset blood glucose upper concentration, preset blood glucose least concentration, preset blood oxygen saturation upper concentration and default blood oxygen saturation least concentration.
More specifically, in the described personnel's physiological status early warning system detected based on age bracket: described high-definition camera comprises the one in cmos image sensor or ccd sensor.
More specifically, in the described personnel's physiological status early warning system detected based on age bracket: described benchmark pulse voltage threshold is 2.5V.
More specifically, in the described personnel's physiological status early warning system detected based on age bracket, described early warning system also comprises: wireless communication interface, for wireless transmission cacosphyxia identification signal, the too high identification signal of blood oxygen saturation or the too low identification signal of blood oxygen saturation.
More specifically, in the described personnel's physiological status early warning system detected based on age bracket: described wireless communication interface is ZIGBEE communication interface, is connected with described master controller.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the first embodiment of the personnel's physiological status early warning system based on age bracket detection of the present invention.
Reference numeral: 1 pulse monitoring subsystem; 2 blood Monitoring Oxygen Ventilation subsystems; 3 age bracket detection subsystem; 4 master controllers
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the personnel's physiological status early warning system based on age bracket detection of the present invention is described in detail.
The physio-parameter detection mechanism based on age bracket identification is lacked in prior art, simultaneously, each physiological parameter instrument of the prior art generally only detects single physiological parameter, comprehensive detection cannot be carried out, and existing physiological parameter instrument structural redundancy is high, accuracy of detection is on the low side, needs to carry out certain optimization to its structure.
For this reason, the present invention has built a kind of personnel's physiological status early warning system detected based on age bracket, by through the high-precision pulse monitoring equipment of structure optimization and blood Monitoring Oxygen Ventilation integration of equipments in a detecting instrument, adopt age bracket identification equipment targetedly to identify tested personnel simultaneously, on this basis, complete the accurate detection and Identification of the physiological status to tested personnel, improve the science that medical device detects.
Fig. 1 is the block diagram of the first embodiment of the personnel's physiological status early warning system based on age bracket detection of the present invention, described early warning system comprises pulse monitoring subsystem, blood Monitoring Oxygen Ventilation subsystem, age bracket detection subsystem and master controller, described pulse monitoring subsystem extracts tested personnel's blood pulse parameter based on the testing result of described age bracket detection subsystem, described blood Monitoring Oxygen Ventilation subsystem is monitored tested personnel's blood oxygen saturation based on the testing result of described age bracket detection subsystem, described master controller carries out early warning based on the monitored results of described pulse monitoring subsystem and described blood Monitoring Oxygen Ventilation subsystem to the physiological status of tested personnel.
Then, continue to be further detailed the concrete structure of the second embodiment of the personnel's physiological status early warning system based on age bracket detection of the present invention.
Described early warning system comprises: FLASH memory, black and white threshold value and threshold number of pixels are prestored, described black and white threshold value is used for performing binary conversion treatment to image, described FLASH memory has also prestored four kinds of gray processing face masterplates, described four kinds of gray processings face masterplate is by facial to benchmark child age bracket, benchmark child age section face, benchmark mature age section face and benchmark old man age bracket face carry out taking obtained face-image respectively and perform gray processing process and obtain, described FLASH memory is also for prestoring age bracket physiological parameter synopsis, described age bracket physiological parameter synopsis saves child's age bracket, child age section, the benchmark pulse range that each age bracket in mature age section and old age bracket four kinds of age brackets is corresponding, benchmark sinus rate scope, benchmark PR interval, benchmark QT interval scope, benchmark blood glucose upper concentration, benchmark blood glucose least concentration, benchmark blood oxygen saturation upper concentration and benchmark blood oxygen saturation least concentration.
Described early warning system comprises: high-definition camera, for taking tested personnel's face, to obtain tested personnel's face-image.
Described early warning system comprises: facial recognition device, comprise the sub-device of Image semantic classification, the sub-device of binary conversion treatment, column border detect sub-device, the sub-device of row rim detection, the sub-device of Target Segmentation and the sub-device of target recognition, the sub-device of described Image semantic classification is connected with described high-definition camera, strengthen and wavelet filtering process to perform adaptive edge successively to described tested personnel's face-image, to obtain pretreatment face-image; The sub-device of described binary conversion treatment is connected respectively with the sub-device of described Image semantic classification and described FLASH memory, the brightness of each pixel of described pretreatment face-image is compared respectively with described black and white threshold value, when the brightness of pixel is greater than described black and white threshold value, pixel is designated as white pixel, when the brightness of pixel is less than described black and white threshold value, pixel is designated as black picture element, thus obtains binaryzation face-image; Described column border detects sub-device and is connected respectively with the sub-device of described binary conversion treatment and described FLASH memory, for to described binaryzation face-image, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels are designated as edge columns; The sub-device of described row rim detection is connected respectively with the sub-device of described binary conversion treatment and described FLASH memory, for to described binaryzation face-image, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels is designated as edge lines; The sub-device of described Target Segmentation and described column border detect sub-device and the sub-device of described row rim detection is connected respectively, region edge columns and edge lines interweaved is as target domain of the existence, and from described binaryzation face-image, be partitioned into described target domain of the existence to export as facial subimage, the background of facial subimage from tested personnel's face-image to be separated; The sub-device of described target recognition is connected respectively with the sub-device of described Target Segmentation and described FLASH memory, by described facial subimage and four kinds of gray processings face stencil matchings, the highest age bracket corresponding to gray processing face template of output matching degree is as the age bracket of tested personnel.
Described early warning system comprises: the first resistance, and one end is connected with 5V power supply, and the other end is connected with the anode of infrared receiving diode; Second resistance, one end is connected with 5V power supply, and the other end is connected with one end of the 3rd resistance; 3rd resistance, other end ground connection, and there is the resistance identical with the second resistance; First two-way operational amplifier, for generation of the reference voltage of 2.5V, its anode is connected with the other end of the second resistance, and negative terminal is connected with one end of the first electric capacity, outfan is connected with the negative terminal of infrared-emitting diode, and negative terminal is also connected with the negative terminal of infrared-emitting diode.
Described early warning system comprises: the first electric capacity, other end ground connection; 4th resistance, one end is connected with the negative terminal of infrared-emitting diode; Second two-way operational amplifier, anode is connected with the other end of the 4th resistance, and negative terminal is connected with the anode of infrared receiving diode, and outfan is as pulse voltage; 5th resistance, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal; Second electric capacity, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal.
Described early warning system comprises: infrared-emitting diode, is arranged on tested personnel ear blood capillary position, and for launching infrared light, the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode; Infrared receiving diode, is arranged on tested personnel ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission tested personnel ear blood capillary; Near infrared light emitter, is arranged on tested personnel's finger fingertip blood capillary position, is connected with light source driving circuit, for the LED control signal sent based on light source driving circuit, launches near infrared light.
Described early warning system comprises: light source driving circuit, is connected with described near infrared light emitter, for sending LED control signal to described near infrared light emitter; Near infrared light receptor, is arranged on tested personnel's finger fingertip, is positioned at the relative position of described light emitting diode, for receiving the near infrared light after transmission tested personnel finger fingertip blood capillary; Parameter extraction equipment, be connected respectively with described near infrared light emitter and described near infrared light receptor, based on the light attenuation degree of the near infrared light of near infrared light and the transmission of launching, the HbO2 Oxyhemoglobin content in calculating tested personnel blood and reduced hemoglobin content.
Described early warning system comprises: master controller, with described parameter extraction equipment connection, based on the blood oxygen saturation of HbO2 Oxyhemoglobin content and reduced hemoglobin cubage tested personnel; Described master controller is also connected to obtain described pulse voltage with the outfan of described second two-way operational amplifier, and when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when described blood oxygen saturation is at default blood oxygen saturation upper concentration, send the too high identification signal of blood oxygen saturation, when described blood oxygen saturation is at default blood oxygen saturation least concentration, send the too low identification signal of blood oxygen saturation.
Wherein, between infrared-emitting diode and infrared receiving diode during pulseless, pulse voltage is benchmark pulse voltage threshold, when there is the pulse of beating between infrared-emitting diode and infrared receiving diode, blood vessels make ear's light transmission be deteriorated, and pulse voltage is greater than benchmark pulse voltage threshold; Wherein, the first two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company.
Wherein, master controller is also connected respectively with facial recognition device and FLASH memory, age bracket based on the tested personnel of facial recognition device output determines benchmark pulse range in described age bracket physiological parameter synopsis, benchmark sinus rate scope, benchmark PR interval, benchmark QT interval scope, benchmark blood glucose upper concentration, benchmark blood glucose least concentration, benchmark blood oxygen saturation upper concentration and benchmark blood oxygen saturation least concentration, and as presetting pulse range, preset sinus rate scope, preset PR interval, preset QT interval scope, preset blood glucose upper concentration, preset blood glucose least concentration, preset blood oxygen saturation upper concentration and default blood oxygen saturation least concentration.
Alternatively, in described early warning system: described high-definition camera comprises the one in cmos image sensor or ccd sensor; Described benchmark pulse voltage threshold is 2.5V; Described early warning system also comprises: wireless communication interface, for wireless transmission cacosphyxia identification signal, the too high identification signal of blood oxygen saturation or the too low identification signal of blood oxygen saturation; And described wireless communication interface can select ZIGBEE communication interface, be connected with described master controller.
In addition, blood oxygen saturation is the percentage ratio that the capacity of the HbO2 Oxyhemoglobin combined by oxygen in blood accounts for whole combinative hemoglobin content, i.e. the concentration of blood oxygen in blood, and it is the important physiological parameter of breath cycle.And functional oxygen saturation is HbO2 concentration and the ratio of HbO2+Hb concentration, be different from percent shared by HbO2 Oxyhemoglobin.Therefore, monitor arterial oxygen saturation to estimate the oxygenate of lung and hemoglobin oxygen carrying capacity.The blood oxygen saturation of normal human's arterial blood is 98%, and venous blood is 75%.
The metabolic processes of human body is biological oxidation process, and oxygen required in metabolic processes, be enter blood of human body by respiratory system, with the hemoglobin in blood rbc, be combined into HbO2 Oxyhemoglobin, then be transported to partes corporis humani and divide in histiocyte and go.Namely the ability that blood carries delivering oxygen is weighed by blood oxygen saturation.
Adopt the personnel's physiological status early warning system detected based on age bracket of the present invention,, structure single for tested personnel's physio-parameter detection in prior art is optimized not and is lacked the technical problem of the intellectualized detection mechanism based on age bracket identification, high-precision pulse monitoring equipment after de-redundant remaining and blood Monitoring Oxygen Ventilation equipment are collected in a detecting instrument, image recognition technology is adopted to detect targetedly tested personnel's age bracket, and the Aulomatizeted Detect completed on the basis of age bracket identification the physiological status of tested personnel and early warning.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (6)
1., based on personnel's physiological status method for early warning that age bracket detects, the method comprises:
1) a kind of personnel's physiological status early warning system detected based on age bracket is provided, described early warning system comprises pulse monitoring subsystem, blood Monitoring Oxygen Ventilation subsystem, age bracket detection subsystem and master controller, described pulse monitoring subsystem extracts tested personnel's blood pulse parameter based on the testing result of described age bracket detection subsystem, described blood Monitoring Oxygen Ventilation subsystem is monitored tested personnel's blood oxygen saturation based on the testing result of described age bracket detection subsystem, described master controller carries out early warning based on the monitored results of described pulse monitoring subsystem and described blood Monitoring Oxygen Ventilation subsystem to the physiological status of tested personnel,
2) described early warning system is used.
2. the method for claim 1, is characterized in that, described early warning system comprises:
FLASH memory, black and white threshold value and threshold number of pixels are prestored, described black and white threshold value is used for performing binary conversion treatment to image, described FLASH memory has also prestored four kinds of gray processing face masterplates, described four kinds of gray processings face masterplate is by facial to benchmark child age bracket, benchmark child age section face, benchmark mature age section face and benchmark old man age bracket face carry out taking obtained face-image respectively and perform gray processing process and obtain, described FLASH memory is also for prestoring age bracket physiological parameter synopsis, described age bracket physiological parameter synopsis saves child's age bracket, child age section, the benchmark pulse range that each age bracket in mature age section and old age bracket four kinds of age brackets is corresponding, benchmark sinus rate scope, benchmark PR interval, benchmark QT interval scope, benchmark blood glucose upper concentration, benchmark blood glucose least concentration, benchmark blood oxygen saturation upper concentration and benchmark blood oxygen saturation least concentration,
High-definition camera, for taking tested personnel's face, to obtain tested personnel's face-image;
Facial recognition device comprises the sub-device of Image semantic classification, the sub-device of binary conversion treatment, column border detect sub-device, the sub-device of row rim detection, the sub-device of Target Segmentation and the sub-device of target recognition, the sub-device of described Image semantic classification is connected with described high-definition camera, strengthen and wavelet filtering process to perform adaptive edge successively to described tested personnel's face-image, to obtain pretreatment face-image; The sub-device of described binary conversion treatment is connected respectively with the sub-device of described Image semantic classification and described FLASH memory, the brightness of each pixel of described pretreatment face-image is compared respectively with described black and white threshold value, when the brightness of pixel is greater than described black and white threshold value, pixel is designated as white pixel, when the brightness of pixel is less than described black and white threshold value, pixel is designated as black picture element, thus obtains binaryzation face-image; Described column border detects sub-device and is connected respectively with the sub-device of described binary conversion treatment and described FLASH memory, for to described binaryzation face-image, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels are designated as edge columns; The sub-device of described row rim detection is connected respectively with the sub-device of described binary conversion treatment and described FLASH memory, for to described binaryzation face-image, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels is designated as edge lines; The sub-device of described Target Segmentation and described column border detect sub-device and the sub-device of described row rim detection is connected respectively, region edge columns and edge lines interweaved is as target domain of the existence, and from described binaryzation face-image, be partitioned into described target domain of the existence to export as facial subimage, the background of facial subimage from tested personnel's face-image to be separated; The sub-device of described target recognition is connected respectively with the sub-device of described Target Segmentation and described FLASH memory, by described facial subimage and four kinds of gray processings face stencil matchings, the highest age bracket corresponding to gray processing face template of output matching degree is as the age bracket of tested personnel;
First resistance, one end is connected with 5V power supply, and the other end is connected with the anode of infrared receiving diode;
Second resistance, one end is connected with 5V power supply, and the other end is connected with one end of the 3rd resistance;
3rd resistance, other end ground connection, and there is the resistance identical with the second resistance;
First two-way operational amplifier, for generation of the reference voltage of 2.5V, its anode is connected with the other end of the second resistance, and negative terminal is connected with one end of the first electric capacity, outfan is connected with the negative terminal of infrared-emitting diode, and negative terminal is also connected with the negative terminal of infrared-emitting diode;
First electric capacity, other end ground connection;
4th resistance, one end is connected with the negative terminal of infrared-emitting diode;
Second two-way operational amplifier, anode is connected with the other end of the 4th resistance, and negative terminal is connected with the anode of infrared receiving diode, and outfan is as pulse voltage;
5th resistance, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal;
Second electric capacity, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal;
Infrared-emitting diode, is arranged on tested personnel ear blood capillary position, and for launching infrared light, the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode;
Infrared receiving diode, is arranged on tested personnel ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission tested personnel ear blood capillary;
Near infrared light emitter, is arranged on tested personnel's finger fingertip blood capillary position, is connected with light source driving circuit, for the LED control signal sent based on light source driving circuit, launches near infrared light;
Light source driving circuit, is connected with described near infrared light emitter, for sending LED control signal to described near infrared light emitter;
Near infrared light receptor, is arranged on tested personnel's finger fingertip, is positioned at the relative position of described light emitting diode, for receiving the near infrared light after transmission tested personnel finger fingertip blood capillary;
Parameter extraction equipment, be connected respectively with described near infrared light emitter and described near infrared light receptor, based on the light attenuation degree of the near infrared light of near infrared light and the transmission of launching, the HbO2 Oxyhemoglobin content in calculating tested personnel blood and reduced hemoglobin content;
Master controller, with described parameter extraction equipment connection, based on the blood oxygen saturation of HbO2 Oxyhemoglobin content and reduced hemoglobin cubage tested personnel; Described master controller is also connected to obtain described pulse voltage with the outfan of described second two-way operational amplifier, and when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when described blood oxygen saturation is at default blood oxygen saturation upper concentration, send the too high identification signal of blood oxygen saturation, when described blood oxygen saturation is at default blood oxygen saturation least concentration, send the too low identification signal of blood oxygen saturation;
Wherein, between infrared-emitting diode and infrared receiving diode during pulseless, pulse voltage is benchmark pulse voltage threshold, when there is the pulse of beating between infrared-emitting diode and infrared receiving diode, blood vessels make ear's light transmission be deteriorated, and pulse voltage is greater than benchmark pulse voltage threshold;
Wherein, the first two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company;
Wherein, master controller is also connected respectively with facial recognition device and FLASH memory, age bracket based on the tested personnel of facial recognition device output determines benchmark pulse range in described age bracket physiological parameter synopsis, benchmark sinus rate scope, benchmark PR interval, benchmark QT interval scope, benchmark blood glucose upper concentration, benchmark blood glucose least concentration, benchmark blood oxygen saturation upper concentration and benchmark blood oxygen saturation least concentration, and as presetting pulse range, preset sinus rate scope, preset PR interval, preset QT interval scope, preset blood glucose upper concentration, preset blood glucose least concentration, preset blood oxygen saturation upper concentration and default blood oxygen saturation least concentration.
3. method as claimed in claim 2, is characterized in that:
Described high-definition camera comprises the one in cmos image sensor or ccd sensor.
4. method as claimed in claim 2, is characterized in that:
Described benchmark pulse voltage threshold is 2.5V.
5. method as claimed in claim 2, it is characterized in that, described early warning system also comprises:
Wireless communication interface, for wireless transmission cacosphyxia identification signal, the too high identification signal of blood oxygen saturation or the too low identification signal of blood oxygen saturation.
6. method as claimed in claim 5, is characterized in that:
Described wireless communication interface is ZIGBEE communication interface, is connected with described master controller.
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| CN203564221U (en) * | 2013-10-17 | 2014-04-30 | 成都芮腾科技有限公司 | Pickup device for pulse signals |
| CN105184111A (en) * | 2015-11-06 | 2015-12-23 | 李良 | Fault identification system for direct current transmission line |
| CN105205984A (en) * | 2015-11-06 | 2015-12-30 | 刘琨 | Patrol instrument for extra-high voltage power transmission line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203564221U (en) * | 2013-10-17 | 2014-04-30 | 成都芮腾科技有限公司 | Pickup device for pulse signals |
| CN105184111A (en) * | 2015-11-06 | 2015-12-23 | 李良 | Fault identification system for direct current transmission line |
| CN105205984A (en) * | 2015-11-06 | 2015-12-30 | 刘琨 | Patrol instrument for extra-high voltage power transmission line |
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Application publication date: 20160330 |