CN109830085A - A kind of baby sleep monitoring method and system - Google Patents
A kind of baby sleep monitoring method and system Download PDFInfo
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- CN109830085A CN109830085A CN201811481873.3A CN201811481873A CN109830085A CN 109830085 A CN109830085 A CN 109830085A CN 201811481873 A CN201811481873 A CN 201811481873A CN 109830085 A CN109830085 A CN 109830085A
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Abstract
The invention discloses a kind of baby sleep monitoring method and systems, and the method includes acquiring baby sleep image；The baby sleep image is handled, the characteristic point of baby's breathing is obtained；By characteristic point described in lock-on, respiratory rate is calculated；When the frequency is greater than the set value, alarm is issued.The system comprises image capture module, processing module, radar module and alarm modules.The present invention passes through acquisition baby sleep image, obtain the characteristic point of baby's breathing, utilize Radar Technology tracking feature point, measure the light activity for baby's chest of sleeping soundly, to obtain the respiratory rate of baby, when discovery baby breathes, there are irregular frequencies, then can transmit warning message to matched corresponding equipment, notify parent at the first time.Overcome the problems, such as that baby monitoring system in the prior art has a single function monitoring baby that can only be artificial, realizes intelligent monitoring baby breathing and activity.
Description
Technical field
The present invention relates to baby monitor technical fields, more particularly, to a kind of baby sleep monitoring method and system.
Background technique
The sleep nurse problem on baby's night or daytime has become a great problem of parent, since baby does not express
Ability wakes up in afternoon nap on daytime and finds nobody at one's side and can cry and scream；It can be made according to natural reaction when nighttime sleep some dynamic
Make, quilt is covered into face；If parent or other caregivers do not come to nurse in time, the time is long, and baby will
Normal breathing is influenced because of cup, the time, which has been grown, may cause infant asphyxia.Therefore, how to breathe in baby by shadow
Parent is reminded in time when ringing, and becomes urgent problem.
Baby monitor on the market at present is mainly commonly used in the baby from a distance by video camera, monitors baby
It cries.The case where checking baby, but artificial monitoring baby is required, video camera can only provide long-range video monitoring, can not
The monitoring baby of intelligence is breathing and activity situation.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to provide a kind of intelligent baby sleep monitoring method and system.
The technical scheme adopted by the invention is that:
A kind of baby sleep monitoring method, comprising:
Acquire baby sleep image；
The baby sleep image is handled, the characteristic point of baby's breathing is obtained；
By characteristic point described in lock-on, respiratory rate is calculated；
When the frequency is greater than the set value, alarm is issued.
Further, described image processing includes making to each frame of video all referring to first frame to baby's recorded video
Image registration.
Further, during video record at regular intervals, the reference frame selected again.
Further, described image registration includes image Corner Detection；Image corners Matching；Matching optimization；Graph transformation.
Further, the alarm signal includes vibration, light and sound.
In addition, the present invention also provides a kind of baby sleep monitor systems, comprising: image capture module, processing module, thunder
Up to module and alarm module,
Described image acquisition module for acquiring baby sleep image, and is sent to processing module；
The processing module obtains the characteristic point of baby's breathing, control for handling the baby sleep image
Radar module tracks the characteristic point, calculates respiratory rate, when the frequency is greater than the set value, sends and alerts to alarm module
Signal；
The radar module calculates respiratory rate for tracking the characteristic point；
The alarm module issues alarm for responding alarm signal.
Further, the processing module further includes image registration module, and described image registration module is used to record baby
Video makes image registration all referring to first frame to each frame of video.
Further, the processing module further includes optimization module, the optimization module for during video record every
For a period of time, the reference frame selected again.
Further, the alarm module includes mobile phone or tablet computer, and the alarm module can respond vibration, light or sound
Sound.
The beneficial effects of the present invention are:
The present invention obtains the characteristic point of baby's breathing, utilizes Radar Technology tracking feature by acquisition baby sleep image
Point measures the light activity for baby's chest of sleeping soundly, to obtain the respiratory rate of baby, when there are irregular for discovery baby breathing
Frequency can then transmit warning message to matched corresponding equipment, notify parent at the first time.Overcome baby's prison in the prior art
Protecting system has a single function the problem of monitoring baby that can only be artificial, realizes intelligent monitoring baby breathing and activity.
Detailed description of the invention
Fig. 1 is a kind of flow chart of baby sleep monitoring method in the present invention；
Fig. 2 is a kind of frame diagram of baby sleep monitor system in the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As shown in Figure 1, it discloses a kind of baby sleep monitoring methods, comprising:
Acquire baby sleep image；
The baby sleep image is handled, the characteristic point of baby's breathing is obtained；
By characteristic point described in lock-on, respiratory rate, using respiratory characteristic point as moving target, radar emission one are calculated
The impulse wave of fixed frequency retouches moving target, and the frequency of echo and the frequency frequency of occurrences of transmitted wave are poor.According to difference on the frequency
Size can measure target to the diametrically movement velocity of radar；According to transmitting pulse and received time difference, mesh can be measured
Target distance.Measure the respiratory rate of baby.The Doppler frequency spectral line of respiratory characteristic point is detected with frequency filter method simultaneously,
The spectral line of interference noise is filtered out, radar can be made to tell echo signal from strong clutter.
When the frequency is greater than the set value, alarm is issued.When baby is short of breath, baby's respiratory rate meeting of acquisition
Increase, when being greater than preset value, that is, issues alarm signal.Preferably, the alarm signal includes vibration, light and sound.
The present invention obtains the characteristic point of baby's breathing, utilizes Radar Technology tracking feature by acquisition baby sleep image
Point measures the light activity for baby's chest of sleeping soundly, to obtain the respiratory rate of baby, when there are irregular for discovery baby breathing
Frequency can then transmit warning message to matched corresponding equipment, notify parent at the first time.Overcome baby's prison in the prior art
Protecting system has a single function the problem of monitoring baby that can only be artificial, realizes intelligent monitoring baby breathing and activity.
It is further used as preferred embodiment, described image processing includes to baby's recorded video, to each of video
Frame makes image registration all referring to first frame.It is reduced by image registration, error when lock-on characteristic point.
Described image is registrated
Image Corner Detection finds those in two images (first frame and frame to be matched) to be matched and is easiest to know
Other pixel (angle point), such as the object edge point of texture-rich etc..For the angle point detected, with some spies mathematically
Sign is described, such as histogram of gradients, local random binary feature etc..
Image corners Matching judges their corresponding relationships in two field pictures by description of each angle point.Often
With method such as flann；
Matching optimization removes the exterior point of erroneous matching, retains point in correctly.Common method has Ransac, GTM；
Graph transformation, by angle point to transformation matrix is sought, such as transitting probability, affine transformation.
It is further used as preferred embodiment, in the process at regular intervals, the reference frame selected again is (such as video record
I frame or P frame), by the alternating of I frame and P frame, Balancing selection is made between system resource optimization and picture quality.
As shown in Fig. 2, the present invention also provides a kind of baby sleep monitor systems, comprising: image capture module, processing mould
Block, radar module and alarm module,
Described image acquisition module for acquiring baby sleep image, and is sent to processing module；
The processing module obtains the characteristic point of baby's breathing, control for handling the baby sleep image
Radar module tracks the characteristic point, calculates respiratory rate, when the frequency is greater than the set value, sends and alerts to alarm module
Signal；
The radar module calculates respiratory rate for tracking the characteristic point；
The alarm module issues alarm for responding alarm signal.
When radar module detect the respiratory rate of baby beyond after normal setting value can, processing module transmitting warning letter
Cease matched alarm device.When the respiratory rate of baby is in normal range of set value, the normal letter of processing module transmission
Cease alarm device.In cycles, the sleep monitor to baby is realized.
It is further used as preferred embodiment, the processing module further includes image registration module, described image registration
Module is used to make image registration all referring to first frame to each frame of video to baby's recorded video.
It is further used as preferred embodiment, the processing module further includes optimization module, and the optimization module is used for
During video record at regular intervals, the reference frame selected again.
It is further used as preferred embodiment, the alarm module includes mobile phone or tablet computer, the alarm module
Vibration, light or sound can be responded.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (9)
1. a kind of baby sleep monitoring method characterized by comprising
Acquire baby sleep image；
The baby sleep image is handled, the characteristic point of baby's breathing is obtained；
By characteristic point described in lock-on, respiratory rate is calculated；
When the frequency is greater than the set value, alarm is issued.
2. baby sleep monitoring method according to claim 1, which is characterized in that described image processing includes recording to baby
Video processed makes image registration all referring to first frame to each frame of video.
3. baby sleep monitoring method according to claim 2, which is characterized in that during video record when one section
Between, the reference frame that selects again.
4. baby sleep monitoring method according to claim 2, which is characterized in that described image registration includes image angle point
Detection；Image corners Matching；Matching optimization；Graph transformation.
5. baby sleep monitoring method according to claim 1, which is characterized in that the alarm signal includes vibration, lamp
Light and sound.
6. a kind of baby sleep monitor system characterized by comprising image capture module, processing module, radar module and
Alarm module,
Described image acquisition module for acquiring baby sleep image, and is sent to processing module；
The processing module obtains the characteristic point of baby's breathing, control radar for handling the baby sleep image
Module tracks the characteristic point, calculates respiratory rate, when the frequency is greater than the set value, sends alarm letter to alarm module
Number；
The radar module calculates respiratory rate for tracking the characteristic point；
The alarm module issues alarm for responding alarm signal.
7. baby sleep monitor system according to claim 6, which is characterized in that the processing module further includes that image is matched
Quasi-mode block, described image registration module are used to make image all referring to first frame to each frame of video to baby's recorded video
Registration.
8. baby sleep monitor system according to claim 7, which is characterized in that the processing module further includes optimization mould
Block, the optimization module are used for during video record at regular intervals, the reference frame selected again.
9. baby sleep monitor system according to claim 6, which is characterized in that the alarm module includes mobile phone or puts down
Plate computer, the alarm module can respond vibration, light or sound.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811481873.3A CN109830085A (en) | 2018-12-05 | 2018-12-05 | A kind of baby sleep monitoring method and system |
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| CN201811481873.3A CN109830085A (en) | 2018-12-05 | 2018-12-05 | A kind of baby sleep monitoring method and system |
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Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091270A (en) * | 2021-03-29 | 2021-07-09 | 青岛海尔空调器有限总公司 | Sleep state monitoring method and device and air conditioner |
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