Method and device for microsleep detection

FIELD: medicine.

SUBSTANCE: group of inventions refers to medicine and medical equipment. A distance of the upper to lower eyelids of at least one eye is measured over a period of time, Eye openness coefficients varying within the value of wide open eye, through the value of partially open eye to the value of completely closed eye are determined. The eye openness coefficients are graphed. The eye openness coefficients variations over the period of time are compared to a reference eye closure model indicating the microsleep cases. Besides, the method is implemented according to the version, which provides notifying an operator if the microsleep has been detected, by signalling. The method is also implemented by comparing the microsleep models with the eye openness coefficients variations as shown by EEG and EOG. That is ensured by using a device comprising an infrared emitter, which is connected to an image selector. A microprocessor with an electronic procedure of microsleep detection configured to detect face, eyes and eyelids images in a digital image and to calculate the eye openness coefficient with determining a microsleep-specific coefficient, and presenting the obtained information in the form of graphical presentation of the eye openness coefficients at the selected moments of time. A memory unit connected to the microprocess and comprising the reference eye closure models to be compared to the eye openness coefficients at the selected moments of time.

EFFECT: invention enables providing the more reliable assessment of microsleep that is ensured by microsleep detection at the early stages of falling asleep.

28 cl, 6 dwg

 

The present invention relates to a method and apparatus for determining cases of microRNA.

The LEVEL of TECHNOLOGY

Ways of counting mistakes while driving, associated with the onset of sleep is crucial to reduce the number of accidents related to sleep. In the United States drowsiness is a major cause of road accidents, which every year 40,000 people are injured and 1,500 people are killed. In one study, 55% of the 1000 surveyed drivers said that they were driving a vehicle in a dream state, and 23% had fallen asleep at the wheel. These data confirm other studies that drowsiness or sleep onset may lead to accidents of vehicles, the reasons for which the error is considered other circumstances.

Cases micron can be used to indicate the onset of sleep. Case micron often occurs as a result of lack of sleep or mental fatigue, apnea, narcolepsy, or hypersomnia.

There are standard ways of tracking micron, which include: monitoring the electroencephalogram (EEG) and electrooculogram (EOG), video, test operation, etc. Of all these methods is the most reliable for measuring sleepiness is EEG. However, EEG and EOG require the use of power is s, which should be connected to the subject, so these methods are not suitable for continuous monitoring of all operators performing work, leading to fatigue, such as vehicle drivers. Other methods are impractical, because complex to implement and require intensive data analysis operators, which makes it difficult to automate the processing of such data.

There are various ways of determining cases of microRNA. Some experts define microcon according to behavioral criteria (batting eyelids), while others use markers electroencephalogram, for example 3-15-second episode (shorter intervals would be difficult to determine visually, and over long periods of time qualify as sleep onset), during which the bioactivity at a frequency of 4-7 Hz (theta rhythm) replaces the background rhythm during wakefulness at a frequency of 14-20 Hz (alpha rhythm).

Microcon, subjectively related to the feeling of "slumber", associated with the interrupt blink characteristic of full wakefulness. During microRNA loss of attention may weaken the ability to identify and respond to critical stimuli and events. For example, microcon (or cases micron) can become very dangerous if it occurs during situations requiring post what annoy vigilance, such as driving a vehicle or asset management. Persons exposed to microso, usually do not realize this and think that they watched, or feel "mental disconnect". A sleepy driver especially at risk to have an accident during the event microRNA. Many accidents happened in the cases of microRNA.

Obviously, the ability to identify cases of micron would be useful as a means of warning and alert sleepy drivers of such cases.

Several studies have used quantitative methods EEG to determine the drowsiness of the driver. Theta energy (EEG waves) and frequency theta pulses usually increase during prolonged driving and associated with poor control of the vehicle. Unfortunately, these methods typically use the average activity recorded EEG, up to several seconds (within 1 minute), and therefore cannot be used to determine the short-term cases of microRNA lasting from 3 to 15 seconds.

Have been proposed various physiological criteria to alert drivers of the occurrence of drowsiness.

One of the most studied criteria is the measure PERCLOS (PERcent or CLOSure, the percentage of closing), measuring sleepiness as the percentage of time when the eyes of the driver closed the, for a certain period of time. After receiving a sufficient number of models shut the PERCLOS metric gives an alarm. The PERCLOS metric is triggered by a percentage more than 80%, which usually means that within 1 minute of the eyes of the individual were closed 48 seconds before the alarm. Obviously, this delay is unacceptable in such tasks as driving, because while the PERCLOS metric activates the alarm, the driver either already asleep or on the verge of falling asleep. Therefore, unfortunately, the PERCLOS metric is too slow to give time to take preventive measures before the individual, such as a driver will experience the first signs of drowsiness.

Recording EOG running in order to eliminate potential defects during EEG recordings also show that the normal eye blinking often continues during cases of microRNA, defining in such a way that the eye is at least partially open.

Other physiological criterion based on measurements close my eyes and presumably warning drivers of the occurrence of drowsiness, is the measurement of the maximum speed of blinking, as described in U.S. patent 7071831 B2. The system described therein includes a pair of glasses or frames, the point is, who should wear individuals to track the frequency of blinking. However, operators must carry or wear this type of device (i.e., it is a portable device).

Thus, there is a need for a method for identifying and device for determining cases of microna the subject as an indicator of the onset of sleep, is able to detect brief cases microRNA in the early stages, does not require the use of electrodes or other portable devices.

DISCLOSURE of INVENTIONS

We contingency have revealed that cases of microRNA can be easily and quickly determined by measuring the patterns of opening and closing of the eyelids using the discovery process microRNA, transform the raw data obtained from measurements, graphs and comparison charts with the stored standard charts models microRNA.

Accordingly, according to one aspect of the present invention, a method for determining case microna the entity that contains the definition of the coefficients of the openness of the eye by measuring the distance between the upper eyelid and the lower eyelid of at least one eye for a certain period of time, the formation of the graphical representations of the coefficients of openness of the eyes, a comparison of the changes of the coefficients of openness of the eyes for a specified period of time with fashion is through close reference to the eye, pointing to the case of micron.

The above method may also include the lighting of the face of the subject and the image recording face. To illuminate the face and image recording face, use a digital camera with an infrared emitter.

The above method may also include the identification of the eye and eyelids using the algorithm of facial recognition.

The above method may also include determining whether levels of the coefficient of openness of the eyes, characteristic of micron, by measuring the coefficients of openness of the eyes with the function of time for a cycle of blinking eyes. The levels of the coefficients of openness of the eyes include at least one level of openness. The coefficients of openness of the eyes include at least one level of openness of the eyes and a maximum of five levels of openness of the eyes. The coefficients of openness of the eyes include five levels of openness of the eyes. The levels of openness of the eyes associated with the open eye, closure of the eyelids, covered or closed eye and open the eyelids.

In the method described above, the coefficients of openness of the eyes may include five consecutive levels of openness of the eyes, and the consequent definition of the five levels indicates a characteristic of micron. The method may also include determining additional factors of openness of the eyes detected and less than five successive levels of the coefficient of openness of the eyes.

The above method may also include calculating the characteristic curves of opening and closing the eyes. Characteristic curves close eye are calculated using the negative of the slope and polynomial regression of second order is used for the coefficients of openness of the eyes first and second levels of the coefficient of openness of the eyes. The coefficients of the openness of the eye are calculated using the positive slope and a polynomial regression of second order is used for the coefficients of openness of the eyes of the fourth and fifth levels of the coefficient of openness of the eyes.

The method may also include detecting the presence of characteristic curves of opening and closing the eyes when microne by calculating the Pearson coefficient for the characteristic curves of the closure relative to the first and second levels of the coefficient of openness of the eyes and the characteristic curves of the opening relative to the fourth and fifth levels of the coefficient of openness of the eyes. The subject is informed, when the Pearson coefficients greater than or equal to the limit value.

In the method described above, the face images are selected frequency from 10 Hz to 60 Hz.

The above method may also include the subprocess to determine the levels of the coefficient of openness of the eyes, characteristic of micron, when the frequency of the selection image 20 Hz. Under the process includes identifying the first level by confirmation of the presence of a sequence of six or more consecutive coefficients of openness of the eyes, relevant public eye.

The above method may also include checking the definition of the second level by confirmation of the presence of a series of four or more successive decrements of the coefficients of openness of the eyes. The above method may also include checking the definition of the third level by confirmation of the presence of a series of at least five and a maximum of one hundred twenty consecutive coefficients of openness of the eyes.

The above method may also include checking the definition of the fourth level by confirmation of the presence of a series of at least four consecutive coefficients of openness of the eyes.

The above method may also include verification of definition the fifth level by confirmation of the presence of a series of at least six consecutive coefficients of the openness of the eye corresponding to the open eye.

The above method can also include informing the subject about the availability of case micron.

According to another aspect, an apparatus for determining cases of microRNA containing the device for selection of images of the face of the subject within a certain time, having an infrared emitter for illumination of one or more eyes of a subject

a microprocessor with a built-in electronic determination procedure micron, the microprocessor is attached to the to the specified device selection to obtain the selected images of the person which is converted electronically into a graphical representation of the coefficients of openness of the eyes, and the memory associated with a microprocessor that stores the model of the closing reference eye for matching electronically coefficients of openness of the eyes with close reference to the eye.

The device described above further includes a warning device connected to the microprocessor to alert the subject of the case of micron.

According to another aspect, a method of warning the operator of a vehicle if microRNA containing

- determination of the coefficients of the openness of the eye by measuring the distance between the upper eyelid and the lower eyelid of at least one eye for a certain period of time,

- formation of a graphical representation of the coefficients of openness of the eyes,

the comparison of the changes of the coefficients of openness of the eyes for a certain period of time with close reference to the eye, pointing to the case of micron,

- start signaling device to alert the operator about the case of micron.

According to another aspect, a method of correlating cases micron on the electroencephalogram (EEG) and electrooculogram (EOG) with closed eyes, containing

- measurement models microna on EEG the EOG from the subject

- determination of the coefficients of the openness of the eye by measuring the distance between the upper eyelid and the lower eyelid of at least one eye for a certain period of time, the formation of the graphical representations of the coefficients of openness of the eyes,

the comparison of the changes of the coefficients of openness eye models microna on EEG and EOG.

BRIEF DESCRIPTION of DRAWINGS

The embodiments of the invention are described using examples with reference to the accompanying drawings.

Fig.1 is a structural diagram of a device definition microRNA according to a variant implementation of the present invention, the device is used on the subject.

Fig.2 is a flowchart of procedures for determining case microRNA that can be used by the device shown in Fig.1.

Fig.3A and 3B are diagrams fully open eyes (Fig.3A) and a fully-closed eyes (Fig.3B), with the corresponding coefficient of openness of the eyes.

Fig.4 is a sequence diagrams for example changes of the coefficient of openness of the eyes as a function of time for a cycle of blinking.

Fig.5 illustrates an example of a fully-closed eyes (L4 and L5), at the time of microRNA.

Fig.6 is a flowchart of a subprocess definitions of levels of the factor of openness of the eyes, which is the characteristic of micron, which moreopportunities together with the procedure for determining case micron, is illustrated in Fig.2, the sampling frequency of the image 20 Hz.

DETAILED DESCRIPTION

Shows a non-limiting embodiment of the present invention relates to a method and device for determining cases of microna the examinee on the basis of the analysis models the closure of at least one eye, usually in both eyes that occurs during cases of microRNA.

During cases of microRNA measured EOG and EEG were observed coherent oscillations of the distance between the upper eyelid and the lower eyelid of the test within a certain period of time. The following describes the method and the device, additionally indicating the onset of sleep sleepy operators, such as drivers, pilots, aircraft dispatchers, etc., using models of closed eyes, when identifying which triggered the alert signal sleepy operators about a dangerous situation until the close of the century, thus establishing the relationship between models of microRNA according to EEG and EOG and models closing his eyes.

It also describes the method of analysis models closing his eyes, allowing to establish the differences between the ordinary close of the century and the close of the century as a result of drowsiness.

In Fig.1 shows an example of a device 100 for determining cases of microRNA, which is essentially the content is t device for selection of images of the person for example, the digital camera 102 with associated with her infrared emitter 104, a microprocessor 106 with assigned memory 108 and a signal device/display 110 and/or the interface 112 input/output.

In one example, the described method of using the device 100 to determine the case microRNA of the test. The method includes the determination of the coefficients of the openness of the eye by measuring the distance between the upper eyelid and the lower eyelid of at least one eye, usually in both eyes, for a certain period of time, the formation of the graphical representations of the coefficients of openness of the eyes, the correlation of the changes of the coefficients of openness of the eyes for a certain period of time with close reference to the eye, pointing to the case of micron.

During operation of the digital camera 102 is directed at the face of the subject 10 and covers his/her eyes 12 using an infrared emitter 104 to determine the coefficient of openness of the eyes, i.e., the distance between the upper 14a and lower 14b for centuries. Images obtained by the digital camera 102, processed by the processor 106, which provides the procedure for determining case microRNA stored in the assigned memory 108. According to the case definition of micron device 100 may inform the user that if micron by running built Ignalina device and/or display 110, or provide information to the next process or device via the interface 112. It should be noted that the device 100 case definition of microRNA can be added other components, such as, for example, the user interface and the wireless communication device.

Here we consider Fig.2, which depicts a flowchart of a procedure 200 case definition of microRNA, which may be performed electronically by the processor 106 of the device 100 depicted in Fig.1. The steps in the procedure 200 is indicated by blocks 202-212. The procedure 200 begins with block 202 in order to select the face image of the subject 10 by using the digital camera 102. Digital camera 102 can select images with frequency 10 to 60 Hz (i.e., frequency of sampling). In block 204, the procedure 200 determines in the selected digital image of the eye 12 and the lids 14a, 14b of the subject 10. This can be done using the algorithm facial recognition performed by the processor 106. Then calculate the coefficient of openness of the eyes.

Here we consider Fig.3A and SV, where the coefficient of openness of the eyes can be expressed through 6 with a value between 1 representing fully opened eye 12 (see Fig.3A), and 0 represents a fully closed eye 12 (see Fig.3B). A value of 5 can be calculated, for example, by dividing the measured distance between the positions of the top is his 14a and lower 14b century in the Cartesian representation (X,Y) to control the size of the fully open eyes D. Thus:

δ=(position of the upper eyelid (xu,yuthe position of the lower eyelid (xL,yL))/D

where D=the position of the upper eyelid (xu,yuthe position of the lower eyelid (x|,|) and (xu,yu)=the current position of the upper eyelid (xL,yL)=the current position of the lower eyelid (xu,yu)=the position of the upper eyelid at the maximum opening of the eye, and (xL,L)=the position of the lower eyelid at the maximum opening of the eye.

Again referring to Fig.2, in block 206, the procedure determines whether there are levels of the factor openness eyes, characteristic of micron.

Here we consider Fig.4, which shows an illustrative example of the fluctuation of the coefficient of the openness of the eye as a function of time for flashing cycles. The cycle starts blinking at time t1when fully open eye 12 (coefficient of openness eyes δ=1,00), at time t2the coefficient of openness of the eyes remains δ=1.00, it then decreases to δ=0,80 and δ=0.50 per intervals of time tiand ti+1until you reach δ=0,00 at time tj(fully closed eye 12), and then increases to δ=0.50 δ=0.80 per intervals of time tkand tk+1until you reach δ=1.00 in time tn. It should be noted that the flashing cycles, is shown in Fig.4 is illustrative only, and essentially is a mini-cycle consists of a number of selected points in time depending on the sampling frequency.

Here we consider Fig.5, where the calculated coefficients of the openness of the eye as a function of time is presented in the form of a graph, which, in General, can be characterized by five successive levels L1-L5. The first and last levels, L1 and L5, are correlated with open eye (i.e., δ=1.00), the second level L2 - closure of the eyelids 14a, 14b (i.e. 0,00>δ>0,00, 5 decreases), the third level L3 - covered or closed eye (i.e., for example, 0,00<δ<0.5) and the fourth level L4 - century opening 14a, 14b (i.e. 0,00<δ<1,00, 5 increases).

Again referring to Fig.2, the procedure 200 determines all five levels, i.e., L1-L5, and then proceeds to block 208. Otherwise, the procedure goes back to block 202 to select the next image. In block 208, the procedure computes the characteristic curves 21 or 26 closing the eyes and curves 25 or 27 open eyes. The characteristic curve 21 or 26 closing the eyes is calculated using a polynomial regression of the second order negative slope (parabolic curve), i.e.,

Y=do+d1.X+d2.X2.

where Y is the predicted effective value for the polynomial model with regression coefficients d1to2for each level, and Y intersect d1;

which is used for the coefficients of openness of the eyes, including the first and second levels of the coefficient of openness of the eyes, i.e., L and L2. For curves 25 or 27 open eyes calculation is performed using polynomial regression of the second order positive tilt applied to the coefficients of openness of the eyes, including the fourth and fifth levels of the coefficient of openness of the eyes, i.e., L4 and L5. Then in block 210, the procedure 220 determines whether there are characteristic for microRNA curves of opening and closing the eyes. This is done by calculating the Pearson coefficient, r:

where X and Y are positions in the Cartesian representation;

curves 21 or 26 closing the eyes considering the coefficients of openness of the eyes, including the levels L1 and L2 of the coefficient of openness of the eyes, and curves 25 or 27 of the opening of the eyes considering the coefficients of openness of the eyes, including the levels L4 and L5 of the coefficient of openness of the eyes. If both Pearson's greater than or equal to limit, as for example, 0.9, then the process 200 proceeds to block 212. Otherwise, the procedure goes back to block 202 to select the next image. Finally, in block 212, the device 100 to determine the case microRNA can notify the user about 10 determining the state of microRNA using the built-in alarm devices and/or display 110 or to provide information to the next process or device using the interface 112 (see Fig.1) using, for example the EP, wired or wireless telecommunication link, such as Bluetooth, WiFi, etc.

It should be noted that the limit of the Pearson coefficient is not limited to the value of 0.9 and can be adjusted to match the desired level of confidence. It can also vary depending on the resolution of digital camera 102 (see Fig.1).

The model closing the eyes is based on specific data observations closure, duration of partial or complete closing and opening of the eyelids. More precisely, the model closing the eyes indicates a sequential order, followed by a period when the eyelids are completely closed and then opened again. If all of the above, the detected case micron.

An example of the levels of the coefficient of openness of the eyes, characteristic of micron at a frequency of selection of images equal to 20 GHz

Here we consider Fig.6, which depicts a block diagram of the sub-process 300 to determine the levels of the coefficient of openness of the eyes, characteristic of micron, which can be performed in block 206, the procedure 200 to determine the availability of the five levels of the coefficient of openness of the eyes, characteristic of micron, i.e., L1-L5 (see Fig.5), for the sampling frequency of the image equal to 20 Hz. Stages subprocess 300 indicated by blocks 301 to 305.

In block 301 subprocess 300 is detected, it is determined whether the first level is ü L1. To this end, the sub-process 300 checks the availability of a series of at least six (6) consecutive coefficients of openness of the eyes with a value of δ=1,00. If the process 300 proceeds to block 302, otherwise the process returns to block 202 procedure 200 (see Fig.2).

In block 302 subprocess 300 is detected, it is determined whether the second level L2. To this end, the sub-process 300 checks the availability of a series of at least four (4) consecutive decreasing coefficients of openness of the eyes with a value between δ=0.99 and δ=0,01. If the process 300 proceeds to block 303, otherwise the process returns to block 202 procedure 200 (see Fig.2).

In block 303 subprocess 300 is detected, it is determined whether the third level L3. To this end, the sub-process 300 checks the availability of a series of at least five (5) and a maximum of 120 consecutive coefficients of openness of the eyes with a value of δ=0,00. If the process 300 proceeds to block 304, otherwise, the process returns to block 202 procedure 200 (see Fig.2).

In block 304 subprocess 300 is detected, it is determined whether the fourth level L4. To this end, the sub-process 300 checks the availability of a series of at least four (4) consecutive increasing coefficients of openness of the eyes with a value between δ=0.01 and δ=0,99. If the subprocess ITA to block 305, otherwise, the process returns to block 202 procedure 200 (see Fig.2).

Finally, in block 305 subprocess 300 is detected, it is determined whether the fifth level L5. To this end, the sub-process 300 checks the availability of a series of at least six (6) consecutive coefficients of openness of the eyes with a value of δ=1,00. If the process 300 proceeds to block 208, the procedure 200 (see Fig.2), the presence of all five (5) levels of the coefficient of openness of the eyes, characteristic of micron. Otherwise, the process returns to block 202 procedure 200 (see Fig.2). It should be noted that the number of coefficients of openness of the eyes, used to determine whether each level of the factor openness eyes, characteristic of microRNA can vary, for example, according to the frequency of selection of images, and is provided only as an example.

It should be noted that the memory associated with the microprocessor, as described above, contains stored in the model close reference to the eye. The graphs depicted in Fig.5, compared with the corresponding models by close reference to the eye. As soon as a match is found, the case of micron confirmed and starts signaling device.

Although the present invention is described with specific embodiments and examples, for the specialists of the given level technique obviously what variant implementations may be applied to modifications without deviating from the scope of the present invention.

1. Method case definition of microna the subject, containing
- determination of the coefficients of openness of the eyes, changing from a value corresponding to a fully open eye, through the value corresponding to the partially open eye, to the value corresponding to a fully closed eye, by measuring the distance between the upper eyelid and the lower eyelid of at least one eye for a period of time,
- formation of a graphical representation of the coefficients of openness of the eyes and
the comparison of the changes of the coefficients of openness of the eyes for a specified period of time with close reference to the eye, pointing to the case of micron.

2. The method according to p. 1, additionally containing a light on the face of the subject and the image recording face.

3. The method according to p. 2, whereby to illuminate the face and record the face image using the digital camera with an infrared emitter.

4. The method according to p. 1, additionally containing the identification of the eye and eyelids using the algorithm facial recognition.

5. The method according to p. 1, additionally containing check the levels of the coefficient of openness of the eyes, characteristic of micron, by measuring the coefficients of openness eyes as NGF is the time for a cycle of flashing eyes.

6. The method according to p. 5, according to which the levels of the coefficients of openness of the eyes include at least one level of openness of the eyes.

7. The method according to p. 5, according to which the coefficients of openness of the eyes include one or more levels of openness eyes and five or less levels of openness of the eyes.

8. The method according to p. 5, according to which the coefficients of openness of the eyes include five levels of openness of the eyes.

9. The method according to p. 5, according to which the levels of openness of the eyes are correlated with the open eye, closure of the eyelids, covered or closed eye and open the eyelids.

10. The method according to p. 1, according to which the coefficients of openness of the eyes include five consecutive levels of openness of the eyes, then identify the five levels indicates characteristics of microRNA.

11. The method according to p. 10, optionally containing an additional coefficients of openness of the eyes if defined less than five successive levels of the coefficient of openness of the eyes.

12. The method according to p. 5, additionally containing the calculation of the characteristic curves of opening and closing the eyes.

13. The method according to p. 12, according to which the characteristic curves of the closing of the eye is calculated using a negative slope and a polynomial regression of the second order, applied to the coefficients of openness of the eyes first and second levels to the of efficient open eyes.

14. The method according to p. 12, according to which the characteristic curves of the closing of the eye is calculated using positive slope and a polynomial regression of the second order, applied to the coefficients of openness of the eyes of the fourth and fifth levels of the coefficient of openness of the eyes.

15. The method according to p. 12, optionally containing verification of the presence of characteristic curves of openness and closing his eyes, characteristic of micron, by calculating the Pearson's characteristic curves of the closing of the eyes with respect to the first and second levels of the coefficient of openness of the eyes and the characteristic curves of the open eye with regard to the fourth and fifth levels of the coefficient eyes.

16. The method according to p. 15, according to which the subject of the alert, when the Pearson coefficients exceeds a predetermined threshold value or equal to it.

17. The method according to claim 3, according to which the face images are taken with a frequency of from 10 Hz to 60 Hz.

18. The method according to p. 5, additionally containing the subprocess to determine the levels of the coefficient of openness of the eyes, characteristic of micron, with a frequency of selection of images equal to 20 Hz.

19. The method according to p. 18, according to which the subprocess contains check whether you have defined the first level, by confirmation of the presence of a series of at least six consecutive coefficients of the openness of the eye corresponding to open the eye.

20. The method according to p. 19, optionally containing check whether you have defined the second level, by confirmation of the presence of a series of at least four consecutive decreasing coefficients of openness of the eyes.

21. The method according to p. 20, optionally containing check whether you have defined the third level, by confirmation of the presence of a series of at least five and a maximum of one hundred twenty consecutive coefficients of openness of the eyes.

22. The method according to p. 21, optionally containing check whether you have defined the fourth level, by confirmation of the presence of a series of at least four consecutive coefficients of openness of the eyes.

23. The method according to p. 22, optionally containing check whether you have defined the fifth level, by confirmation of the presence of a series of at least six consecutive coefficients of the openness of the eye corresponding to the open eye.

24. The method according to p. 1, additionally containing informing the subject about the availability of case micron.

25. A device for determining cases of microRNA containing
device for selection of images of the face of the subject for some time, having an infrared emitter for illumination of at least one eye of the subject,
is connected with a device for selecting image representative of the subject microprocessor with a built-in electronic procedure for the determination of MIC is sleep, made with the ability to determine in a digital image obtained by the device for selection of images of the subject's facial, eye and eyelid of the subject, and with the ability to calculate the coefficient of openness of the eyes with determination of the level factor, characteristic of micron, and presenting the received information in the form of a graphical representation of the coefficients of the openness of the eye at selected points in time;
the memory associated with the microprocessor and containing models of the closing reference eye for matching coefficients of openness eyes at selected points in time.

26. The device according to p. 25, additionally contains a signaling device that is connected to the microprocessor to alert the subject of the case of micron.

27. The method of alerting the operator of the vehicle if microRNA containing
- determination of the coefficients of openness of the eyes, changing from a value corresponding to a fully open eye, through the value corresponding to the partially open eye, to the value corresponding to a fully closed eye, by measuring the distance between the upper eyelid and the lower eyelid of at least one eye for a period of time,
- formation of a graphical representation of the coefficients of openness of the eyes,
the comparison of the changes of the coefficients of openness of the eyes C is a specified period of time with close reference to the eye, pointing to the case of micron,
- start signaling device to alert the operator about the case of micron.

28. A method of mapping models microna on the electroencephalogram (EEG) and electrooculogram (EOG) with closed eyes, containing
- measurement models microna on EEG and EOG the subject,
- determination of the coefficients of openness of the eyes, changing from a value corresponding to a fully open eye, through the value corresponding to the partially open eye, to the value corresponding to a fully closed eye, by measuring the distance between the upper eyelid and the lower eyelid of at least one eye for a period of time,
- formation of a graphical representation of the coefficients of openness of the eyes and
the comparison of the changes of the coefficients of openness eye models microna on EEG and EOG.



 

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1 dwg

FIELD: medical engineering.

SUBSTANCE: device has unit for reading and transforming signal. The unit is fixable on earlap and has power supply source, generator, infrared radiation source and receiver and analysis and computation unit and warning unit. The infrared radiation receiver is connected to analysis unit via amplifier and analog-to-digital converter. The second infrared radiation receiver is in parallel connected to the second input of analysis unit via the second amplifier and the second analog-to-digital converter for analyzing blood oxygen concentration and recording cardiac activity amplitude and pulsation period. The computation unit is in its turn connected to transmitter via interface unit to enable data being transmitted to remote warning system indicator unit.

EFFECT: wide range of functional applications.

3 dwg

The invention relates to the control of the human condition

FIELD: physics.

SUBSTANCE: apparatus for diagnosing performance capability of a vehicle driver comprises a steering wheel with electrodes, a video camera, a night vision filter and a microcontroller. The electrodes are lamellar. The microcontroller is connected to vehicle control systems, a GPS transmitter, an emergency stop system and an emergency stop button. The microcontroller processes amplitude, phase and frequency characteristics of the ECG, pulse and blink rate according to a certain algorithm.

EFFECT: comprehensive evaluation of the state of a driver and performance capability thereof, emergency stopping of the vehicle without the participation of the driver, transmitting information on location and preliminary diagnosis of the driver.

3 dwg

FIELD: transport.

SUBSTANCE: invention relates to control over efficiency of the train engineman efficiency. Proposed method comprises definition of current magnitude of the train engineman physiological parameters, input of current data on train motion conditions, sending of the instruction of engineman that requires a response and definition of compliance of engineman state with efficiency criteria at compliance between the content of instruction and response. Besides, used are data base on coordinates and descriptions of potentially dangerous tracks sections, codes being allotted to said dangerous sections. Coordinates and codes of dangerous sections are displayed on electronic map, compliance of engineman state with efficiency criteria are defined at compliance with the content of instruction and response given the engineman adequately dialled the code of current dangerous section. Then, data on engineman efficiency is transmitted to the train ACS.

EFFECT: higher traffic safety.

5 dwg

FIELD: transport.

SUBSTANCE: invention relates to diagnostics of psycho physiological state and can be used for control over driver vigilance and prevention of falling asleep. Proposed method consists in measurement of induced variable electric potential of cerebrum. Note here that fractal magnitude of said potential is continuously calculated and compared to threshold magnitude which, when reached, makes awakening of driver a must. Device to prevent falling sleep comprises two electrodes of electroencephalographic signal. Electrodes are connected to measurements results processing unit, its output being connected to registration and analysis unit input. Registration and analysis unit output is connected with data and signal generator. Said registration and analysis unit incorporates signal fractal processor.

EFFECT: higher safety.

2 cl, 2 dwg

FIELD: transport.

SUBSTANCE: invention relates to automotive safety means. Transmitter transmits modulated IF signal to self-contained receiver fitted on driver's wrist. Said signal triggers vibratory bell in said receiver to be switched off by push button arranged at vehicle control panel. In case driver does not respond to said vibratory call, sound signal circuit and light alarm circuit relay contacts close. In case driver fails again to respond to said actions, uncontrolled vehicle is topped by forced brake system operation.

EFFECT: safe control over transport facility and higher traffic safety.

FIELD: transport.

SUBSTANCE: invention relates to driver safety devices and may be used for automatic control over driver state and engine mechanisms to prevent traffic accidents. Proposed device incorporates ECG and bulk impedance recorder with its electrodes integrated into driver's steering wheel, GPS receiver and radio transmitter. Proposed device aims at preventing emergent traffic conditions in the case of states dangerous to health or driver falling asleep. Activated device monitors driver cardiovascular system state.

EFFECT: expanded performances, higher reliability.

4 cl, 2 dwg

FIELD: transport.

SUBSTANCE: method and device use hands taction in receiving, with muscles relaxed, definite vibrations via two sets of encapsulated sensory receptors in human skin known as Meissner encapsulated sensory receptors and Pacinian encapsulated sensory receptors. Besides they exploit brain ability to immediately react to said signals in area of contact with object which said two sets of encapsulated sensory receptors touch during control and availability of immediate feedback from dynamic system steering.

EFFECT: fast and safe path for warning signals into driver brains.

15 cl, 3 dwg

FIELD: transport.

SUBSTANCE: invention relates to automobile safety control hardware. Proposed device comprises TV camera mounted on vehicle permanently directed to driver face, microprocessor to analyse driver's manner of driving, memory unit and system to warn driver about dangerous development of lassitude and possibility of sleep lassitude. Microprocessor allows inputting signs of driver lassitude and sleep lassitude into memory unit received by video camera in simulation of driver's individual signs of lassitude and sleep lassitude. Microprocessor functions include also recording video images transmitted by video camera, comparing parameters characterising driver state with reference states of falling asleep and sleeping, and, using the results of comparison, decision is made to signal the driver falling asleep.

EFFECT: safe control over transport facility.

11 cl

FIELD: railroad transport.

SUBSTANCE: proposed system comprises set of remote sensors, communication unit, signal digital processing and control unit, unit to process outer signals and to communicate with locomotive computer system. Signal digital processing and control unit comprises two identical data digital processing units wired to exchange data, "awake" state acknowledgement button and comparison unit. Unit to process outer signals and to communicate with locomotive computer system comprises data primary processing unit.

EFFECT: higher reliability.

8 cl, 6 dwg

FIELD: physics, signalling.

SUBSTANCE: invention refers to attention devices and is designed for sleep prevention of vehicle drivers, as well as to workers performing monotonous repetitive work. The preventer consists of the crescent-shaped body with in-built series power supply, circuit breaker, sound signal generator and driver's head inclination sensor accommodating metal ball mounted in the cup on lower face of sensor case, the first contact plate 14 attached to lower face of sensor case and rounding the cup, the second U-shaped contact plate made of elastic metal and attached to upper face of sensor case its upper end. Herewith lower end of this contact plate is two-prong fork covering metal ball and in-parallel gapped to the first contact plate.

EFFECT: higher safety and sensitivity.

3 dwg

FIELD: transport.

SUBSTANCE: invention represents a vehicle key designed for prime-mover start of a vehicle such as train, motorcycle or motorcar, and also devices preventing driving under the influence of alcohol. The vehicle key includes a key blade, handle, anti-insertion device, which can protrude from the handle thereby preventing key insertion into the vehicle key slot, respiratory detector to detect alcohol and/or other drugs in the user's breathing air. The vehicle key also can contain an output signal device, which allows vehicle starting. The protection device against driving under the influence of alcohol can be either fixed or built-in the vehicle. It includes a respiratory detector for detecting alcohol and/or other drugs in the user's breathing air and an anti-insertion device preventing from key insertion into the vehicle key slot. The inventions effectively detect alcohol and/or other drugs in the user's breathing air, provide reliable engine start locking thereby contributing to reduction of traffic accidents due to the negligence of drivers under the influence of alcohol.

EFFECT: reduction of traffic accidents due to the negligence of drivers under the influence of alcohol.

34 cl, 31 dwg

FIELD: medicine; medical engineering.

SUBSTANCE: method involves making eye follow light spot on predefined trajectory like radial ones, 8-shaped ones, circular one determined by moving point light source. Eye repeatedly follows the trajectories until stable reproduction of all trajectories takes place. Device has point light source provided with means for producing movable images on the first transparent and the second opaque screen, means for recording eye pupil movements, concave sphere having a set of openings arranged as diffraction grating and graphic output unit. The second screen is movable in the close and long-range field of view. The second screen center is positioned 15° above and that of the first screen 15° below the horizon line.

EFFECT: enhanced effectiveness in treating spatial perception anomalies cases and post-traumatic disorders.

4 cl, 15 dwg

FIELD: medicine.

SUBSTANCE: method involves carrying out bithermal, warm and cold caloric tests with water and electric nystagmography. Heat loading involves taking hot tea. Cold caloric test is carried out in temperature interval of 20-21 degrees, and warm one in interval of 43-44 degrees. The caloric test is carried out before and after heat loading. Amplitude, frequency and speed of slow nystagmus phase is determined during each of tests. In case Nystagmus values in warm test being greater than those in cold test, and the given proportion is retained unchanged or grows after heat loading, vestibular analyzer injury caused by disseminated sclerosis is diagnosed.

EFFECT: increased accuracy of diagnosis.

2 dwg, 1 tbl

The invention relates to medicine, namely, neurology, and for diagnostics of the functional state of the conductive pathways of the cerebellum

The invention relates to medicine, namely, neurology, and for differential diagnosis and functional status of the facial nerve, corticonuclear ways of the facial nerve and afferent pathways of the brain stem
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