CN101977302B - System and method for monitoring of sleep security - Google Patents
System and method for monitoring of sleep security Download PDFInfo
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- CN101977302B CN101977302B CN2010102750729A CN201010275072A CN101977302B CN 101977302 B CN101977302 B CN 101977302B CN 2010102750729 A CN2010102750729 A CN 2010102750729A CN 201010275072 A CN201010275072 A CN 201010275072A CN 101977302 B CN101977302 B CN 101977302B
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Abstract
The invention provides a system for monitoring sleep security based on human body detection. In the system, the image of the sleeping human body is shoot through an infrared/near-infrared camera, the part of the human body in the monitoring area in the image is analyzed to determine if the sleeper kicks a quilt or not, if the sleeper is close to the edge of the bed or not, if the sleeper falls off the bed or not, if the sleeper wakes up or not and the like, then alarm is performed according to the analyzing result. The infrared/near-infrared light source has no influence on the human body, thereby having no interference to the sleeping of the user.
Description
[technical field]
The present invention relates to the family intelligent monitoring field, particularly about a kind of safe supervisory control system and method thereof of sleeping.
[background technology]
Children comprise the baby because physique is weak, resistance is poor, may cause sickly if catch a cold during sleep, and therefore, children comprise that baby's sleep state is that many heads of a family are concerned about.The head of a family can not accompany on sleeping child next door owing to the needs of work, rest etc. always.Whether in bed owing to keep in mind child and whether played quilt, problem such as waken up midnight and often sleep not steady and surely, even a room that goes child evening repeatedly at night for many heads of a family.If there is a kind of supervisory control system; When children's sleep state goes wrong; Can through prompt tone prompting sleeping or at one's side monitoring personnel not, can let the monitoring personnel very first time pinpoint the problems and solve, so not only can improve children's sleep quality; The thing that also guardian person is Myself relievedly provides many times to them.Because be the monitoring sleep state, the existence of supervisory control system should not cause interference to sleep.Existing home-use video monitoring system is based on the visible light environment more at present; For the application of sleep quality monitoring, the existence of visible light may reduce monitored person's sleep quality, if; It is thus clear that light intensity is low excessively, can reduce the monitoring effect of supervisory control system.To the supervisory control system of children sleeping situation also seldom, except playing situation such as quilt, at present whether children are fallen down conditions associated monitoring and alarming system such as bed also seldom.
Certainly, children's sleep monitoring is one of them aspect, and this type of situation also can be generalized in various patients or old man's the sleep monitoring.
[summary of the invention]
The object of the present invention is to provide a kind of safe supervisory control system of sleeping, can monitor and timely warning reminding supervisor sleeper's state.
Another object of the present invention is to provide a kind of safe method for supervising of sleeping, it can be monitored and timely warning reminding supervisor sleeper's state.
For reaching aforementioned purpose, the present invention provides a kind of safe supervisory control system of sleeping, and the supervisory control system of this sleep safety comprises:
Image acquisition units, the acquisition monitoring image;
Image analyzing unit; It comprises human detection module, bed health check-up survey module and comparison module; Human detection module human body position; The position that module detects the bed body is surveyed in the bed health check-up; Comparison module relatively the center of the detected human body of human detection module with bed health check-up survey the center of the detected bed of module body, comparison module the distance of the center of human body and the center of bed body during greater than predetermined value output should send human body and be positioned at the bedside edge, output should not sent the output signal that human body falls down the warning of bed when in bed body scope, detecting human body;
The warning message output unit, its output signal according to comparison module sends warning message.
The present invention also provides a kind of safe method for supervising of sleeping, and the method for supervising of this sleep safety comprises:
Monitoring range is carried out IMAQ;
Image to gathering carries out graphical analysis; This image analysis process comprises: human body and bed body are detected; If the distance that detects human body center and bed body center judges then that greater than predetermined value human body is positioned at the bedside edge, or in bed body scope, do not detect human body and judge that then human body falls down bed;
According to earlier figures as analysis result, output alarm information.
The supervisory control system and the method for sleep safety of the present invention through the position of human body in the guarded region in the image and the relation of bed body position are analyzed, are confirmed the position of human body in the bed body, report to the police according to the result who analyzes then.So not only can improve sleeper's sleep quality, the thing that also guardian person is Myself relievedly provides many times to them.
[description of drawings]
Fig. 1 is the structured flowchart of the supervisory control system of sleep safety among the embodiment.
Fig. 2 is the flow chart of the supervisory control system of sleep safety among the embodiment.
Fig. 3 A is for playing the flow chart of one of them embodiment of monitored method among the embodiment.
Fig. 3 B is for playing the flow chart of one of them embodiment of monitored method among the embodiment.
Fig. 3 C is for playing the flow chart of one of them embodiment of monitored method among the embodiment.
Fig. 3 D is for playing the flow chart of one of them embodiment of monitored method among the embodiment.
Fig. 4 falls down the flow chart of a method for supervising for people among the embodiment.
Fig. 5 be among the embodiment people at the flow chart of bedside edge method for supervising.
Fig. 6 is the flow chart of the method for supervising of wakeing up among the embodiment.
Fig. 7 is the flow chart of nightmare method for supervising among the embodiment.
[embodiment]
Detailed description of the present invention is mainly come the running of direct or indirect simulation technical scheme of the present invention through program, step, logical block, process or other symbolistic descriptions.Be the thorough the present invention that understands, in ensuing description, stated a lot of specific detail.And when not having these specific detail, the present invention then possibly still can realize.Affiliated those of skill in the art use these descriptions here and state that the others skilled in the art in affiliated field effectively introduce their work essence.In other words, be the object of the invention of avoiding confusion, because the understanding easily of method of knowing and program, so they are not described in detail.
Alleged here " embodiment " or " embodiment " are meant special characteristic, structure or the characteristic that can be contained at least one implementation of the present invention.Different in this manual local " in one embodiment " that occur not are all to refer to same embodiment, neither be independent or optionally mutually exclusive with other embodiment embodiment.In addition, represent that the sequence of unit and revocable in method, flow chart or the functional block diagram of one or more embodiment refers to any particular order, also be not construed as limiting the invention.
See also shown in Figure 1ly, it shows the structured flowchart of the supervisory control system 100 of sleep safety in one embodiment of the invention.As shown in Figure 1, the supervisory control system 100 of sleep safety comprises image acquisition units 1, image analyzing unit 2 and warning message output unit 3.To introduce the structure of each unit below respectively.
Said image acquisition units 1 comprises guarded region setup unit 11 and monitoring camera 12.
Guarded region setup unit 11 is used to set monitoring range.In order to guarantee to monitor the scope that needs; Usually camera all is installed in higher position; Some need not monitored in the zone of camera shooting this moment, in order to reduce the operand that successive image is analyzed, can only bed and near zone thereof be set at guarded region.Because bed is generally rectangle, therefore can be through the zone in guarded region setup unit 11 frame that four end to end line segments are definite as guarded region.
Please continue to consult shown in Figure 1, aforementioned in one embodiment image analyzing unit 2 comprises that monitoring function selected cell 21 and people's face detection module 22, human detection module 23, bed health check-up survey module 24, quilt detection module 25 and comparison module 26.
Monitoring function selected cell 21 is used for the monitoring function that selected needs are carried out.Said monitoring function can comprise multiple monitoring function, comprises playing to be detected, sleep position probing, fall down that bed detects, nightmare detects, wakeing up and detect etc., describes in detail in the image analysis process part that the realization of every kind of function will be concrete in the back.To different ages, different sleep environments, the monitoring function that needs possibly be different.Such as, what child used is the basket cot that has fence all around, and just can there be the danger of falling down bed in child, and the position probing of therefore sleeping is exactly unwanted with falling down a detection; If what child used is sleeping bag, just can there be the possibility of kicking quilt off, also to be detected with regard to not playing.Select few monitoring function as required, can reduce the operand of system, reduce requirement equipment.The monitoring function that therefore, can need carry out through 21 selections of monitoring function selected cell before monitor.
People's face detection module 22 detects the state of people's face, and it further comprises expression analysis module 221, eye detection module 222 and sobbing detection module 223.The expression situation of expression analysis module 221 analyst's faces; The normally sleep expression that it image training that comprises that a plurality of normal sleeps expressions of process input and improper sleep are expressed one's feelings obtains and the grader (not shown) of improper sleep expression, input picture can confirm that through this grader the normal expression of sleeping still is that improper sleep is expressed one's feelings when expressing one's feelings analysis.Whether eye detection module 222 detects sleeper's eyes and opens.Whether whether sobbing detection module 223 is analyzed human bodies and is being cryyed, for example open through the face that detects people's face, and whether the face of human body has mode such as tears to judge whether human body is cryying.The testing result of people's face detection module 22 can judge whether separately to send alarm signal; If for example the expression of people's face is improper sleep expression; If perhaps eye detection module 222 detects sleeper's eyes and opens, can directly judge and to send alarm signal.
The particular location and the state of human detection module 23 human body, wherein the human body state comprises posture analysis module 231 and skin analysis module 232.Wherein posture analysis module 231 analyzes whether human body is the sleeping posture of lying down, if human body is non-sleeping postures such as sitting up or stand or squat down, then human detection module 23 judgements need be sent the warning message of wakeing up.Wherein skin analysis module 232 is used to analyze the skin that human body exposes and whether surpasses predetermined value, if the skin that human body is exposed surpasses predetermined value, then represent human body play by, need send and play by warning message.The testing result of human detection module 23 can judge whether separately to send alarm signal, if for example human body sits up, perhaps the skin that exposes of human body surpasses predetermined value, can directly judge and need send alarm signal.The back will explain that the testing result of aforementioned human detection module 23 also can mutually combine with the testing result of other modules, and whether common conduct need send the criterion of alarm signal.
The position of module 24 identification bed bodies is surveyed in the bed health check-up.25 positions of detecting quilt of quilt detection module.
Said image analyzing unit 2 can further include one and adopts a large amount of lid quilts to train playing by grader 27 of obtaining with playing by subimage, input picture through this play by grader 27 can draw whether play by analysis result.If play by the grader analysis through this, human body exist play by situation, then need send and play by alarm signal.
Please continue to consult shown in Figure 1, aforementioned warning message output unit 3 can be according to the different warning message of various analysis results output of aforementioned image analyzing unit 2.The output of said warning message can be adopted writing on sound, the image method such as to flash to carry out in one embodiment; Can set different alarm sound or change in pattern to different monitoring functions; The monitor staff just can know it is which kind of alarm condition according to the difference of alarm sound or image change like this, thereby solves apace.Also can all adopt identical warning message.
Be appreciated that ground, when the supervisory control system 100 of sleep safety through human body and bed body position relatively carry out the sleep quality monitoring time, people's face detection module 22, quilt detection module 25 are omissible.If correspondingly only need carry out the detection of human body and bed body position, so, just do not need the switching between multi-functional, therefore, monitoring function selected cell 21 also is omissible.
To combine specific embodiment that whole system operation flow process of the present invention and method are elaborated below.
See also shown in Figure 2ly, it shows the workflow diagram of the supervisory control system of whole sleep safety in one embodiment of the invention, and is as shown in the figure, and the sleep workflow of safe supervisory control system of the present invention comprises the steps:
Step 21: the setting guarded region, because bed is generally rectangle, therefore can be through the zone in the guarded region setup unit frame that four end to end line segments are definite as guarded region;
Step 22: selection needs the function of monitoring;
Step 23: start camera and monitor, the video image in the acquisition monitoring zone, and vedio data is transferred to image analyzing unit;
Step 24: image analyzing unit is analyzed vedio data and analysis result is transferred to the warning message output unit, and wherein the concrete steps of graphical analysis will specify in the back one by one;
Step 25: the alarm signal prompting supervisor that the output of warning message output unit is different.
Wherein aforementioned image analysis step 24 is image to be analyzed with selected monitoring function according to the monitoring image of input; Need to determine whether to report to the police; It further comprises various monitoring function analysis, respectively the analytic process of several kinds of different monitoring functions is described below.
At first will elaborate to playing monitored function.
See also shown in Fig. 3 A, the flow chart of an embodiment to be detected is played in its demonstration, and it comprises the steps:
Step 301: the quilt in the input picture detects;
Step 302: the position to the bed in the input picture is detected;
Step 303: the position of the quilt in the input picture with bed compared, if the difference of quilt and the position of bed surpasses predetermined value, think that then quilt has fallen down bed, represent that then human body do not build quilt, then the warning message output unit sends alarm signal; If less than predetermined value, returning, the difference of the position of quilt and bed continues to detect.
See also shown in Fig. 3 B, the flow chart of another embodiment to be detected is played in its demonstration, and it comprises the steps:
Step 311: input picture is carried out human detection, extract area of skin color through the skin analysis module;
Step 312: calculate human body and expose the ratio in the zone of skin;
Step 313: judge whether the ratio that human body exposes the zone of skin reaches predetermined value, surpass predetermined value and think that then quilt is kicked off that then the warning message output unit sends alarm signal if human body exposes the zone of skin; If the zone that human body exposes skin surpasses predetermined value and then returns and proceed human detection.
See also shown in Fig. 3 C, the flow chart of an embodiment more to be detected is played in its demonstration, and it comprises the steps:
Step 321: input picture is carried out quilt detect;
Step 322: input picture is carried out human detection;
Step 323: quilt in the input picture and human body are compared, if the human body center with by the position difference of subcenter less than predetermined value, judge that then human body is to be covered with quilt, return and proceed to detect; If human body and quilt position difference surpass predetermined value, represent that then the sleeper has kicked quilt off, then the warning message output unit sends alarm signal.
See also shown in Fig. 3 D, the flow chart of another embodiment to be detected is played in its demonstration, and it comprises the steps:
Step 331: gather a large amount of lid quilts and train with the image of playing quilt, obtain a lid quilt with play by grader;
Step 332: input picture is analyzed through grader;
Step 333: grader judge human body whether play by, if human body exists and to play by behavior, then send alarm signal through the warning message output unit, if human body does not exist and plays by behavior, then return and proceed to analyze.
To elaborate to falling down a monitoring function below.
See also shown in Figure 4ly, it shows that human body falls down the flow chart of an embodiment of bed monitoring, and it comprises the steps:
Step 401: input picture is carried out human detection, confirm the position of human body;
Step 402: if in input picture, do not detect human body, represent that then human body has exceeded the scope of a body, possibly fall down bed, this moment, the warning message output unit sent alarm signal.
To elaborate to the human body monitoring position function of sleeping below.
See also shown in Figure 5ly, it shows that human body is positioned at the flow chart that the bedside edge possibly fall down an embodiment of bed monitoring, and it comprises the steps:
Step 501: input picture is carried out human detection, confirm the position of human body;
Step 502: input picture is carried out a health check-up survey, confirm the position of bed body:
Step 503: position of human body and bed body position are compared; If the human body center surpasses predetermined value with the difference of bed body center; The sleep position of then representing human body is the edge at bed, then thinks to have the danger of falling down bed, and then the warning message output unit sends alarm signal.
To elaborate to the monitoring function of wakeing up below.
See also shown in Figure 6, the wake up flow chart of an embodiment of monitoring function of its demonstration, it comprises the steps:
Step 601: input picture;
Step 602: input picture is carried out the eye detection that people's face detects, and the judgement eyes are being opened or are being closed, if eyes are to open, then think to wake up, and send alarm signal; If eyes are to close, then return and continue to detect;
Step 612: the human posture who input picture is carried out the human body behavior detects; And judge whether the human posture sits up, and if sit up, represent that then the sleeper wake up, then send alarm signal;
Step 622: the sobbing behavior of input picture being carried out the human body behavior detects, and judges whether human body exists and dehisce to cry perhaps that human body face has sobbing behaviors such as tears.If human body is to cry, representing that then the sleeper wake up, then sending alarm signal.
To elaborate to the nightmare monitoring function below.
See also shown in Figure 7ly, it shows the flow chart of an embodiment of nightmare monitoring function, and it comprises the steps:
Step 701: the image of gathering a large amount of normal sleep expressions and improper sleep expression is trained the expression classification device of normally being slept;
Step 702: image is imported the expression classification device analyze;
Step 703: through the analysis of expression classification device, if expression is not normal sleep expression, but relatively more nervous strange expression, then expressing possibility has been nightmare, carries out the warning of nightmare this moment.
The present invention proposes a kind of supervisory control system of the sleep safety based on infrared/near-infrared camera; Image through infrared/near-infrared camera shooting people somatic sleep; Then the part in the guarded region in the image is analyzed; Confirm the sleeper whether play quilt, whether near the edge of bed, whether fall down bed, whether nightmare, whether wake up etc., report to the police according to the result who analyzes then.Infrared/near-infrared light source can not exert an influence to the people, therefore can not produce user's sleep and disturb.
Above-mentioned explanation has fully disclosed embodiment of the present invention.It is pointed out that any change that technical staff's specific embodiments of the invention of being familiar with this field is done does not all break away from the scope of claims of the present invention.Correspondingly, the scope of claim of the present invention also is not limited only to previous embodiment.
Claims (8)
1. safe supervisory control system of sleeping is characterized in that it comprises:
Image acquisition units, it comprises fixes infrared/near-infrared camera, is used for the acquisition monitoring image;
Image analyzing unit; It comprises human detection module, bed health check-up survey module and comparison module; Human detection module human body position; The position that module detects the bed body is surveyed in the bed health check-up; Comparison module relatively the center of the detected human body of human detection module with bed health check-up survey the center of the detected bed of module body, comparison module the distance of the center of human body and the center of bed body during greater than predetermined value output should send human body and be positioned at the bedside edge, output should not sent the output signal that human body falls down the warning of bed when in bed body scope, detecting human body;
The warning message output unit, its output signal according to comparison module sends warning message.
2. the supervisory control system of sleep safety as claimed in claim 1, it is characterized in that: said image acquisition units further comprises a guarded region setup unit that is used to set camera head monitor picture scope.
3. the supervisory control system of sleep safety as claimed in claim 1, it is characterized in that: said camera is that a plurality of cameras are monitored from a plurality of angles.
4. the supervisory control system of sleep safety as claimed in claim 1, it is characterized in that: said warning message output unit can adopt the writing on sound, the image to flash and report to the police, and can set different alarm sound or change in pattern to different monitoring functions.
5. safe method for supervising of sleeping is characterized in that it comprises:
Use is fixed infrared/near-infrared camera monitoring range is carried out IMAQ;
Image to gathering carries out graphical analysis; This image analysis process comprises: human body and bed body are detected; If the distance that detects human body center and bed body center judges then that greater than predetermined value human body is positioned at the bedside edge, or in bed body scope, do not detect human body and judge that then human body falls down bed;
According to earlier figures as analysis result, output alarm information.
6. the method for supervising of sleep safety as claimed in claim 5 is characterized in that: saidly guarded region is carried out IMAQ further comprise the step that preestablishes the monitored picture scope.
7. the method for supervising of sleep safety as claimed in claim 5 is characterized in that: guarded region is carried out IMAQ monitor from a plurality of angles for using a plurality of cameras.
8. the method for supervising of sleep safety as claimed in claim 5, it is characterized in that: output alarm information can adopt the writing on sound, the image to flash and report to the police, and can set different alarm sound or change in pattern to different monitoring functions.
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| CN2010102750729A CN101977302B (en) | 2010-09-08 | 2010-09-08 | System and method for monitoring of sleep security |
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| CN2010102750729A CN101977302B (en) | 2010-09-08 | 2010-09-08 | System and method for monitoring of sleep security |
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| CN101977302B true CN101977302B (en) | 2012-07-25 |
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Address after: 214028 10-storey Building 530 Qingjia Road, Taihu International Science Park, Wuxi New District, Jiangsu Province Patentee after: WUXI ZHONGGAN MICROELECTRONIC CO., LTD. Address before: 214028 10-storey Building 530 Qingjia Road, Taihu International Science Park, Wuxi New District, Jiangsu Province Patentee before: Wuxi Vimicro Co., Ltd. |