CN109830090A - Interior safety monitoring and help-asking system based on automobile data recorder and crying identification - Google Patents
Interior safety monitoring and help-asking system based on automobile data recorder and crying identification Download PDFInfo
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- CN109830090A CN109830090A CN201910029746.8A CN201910029746A CN109830090A CN 109830090 A CN109830090 A CN 109830090A CN 201910029746 A CN201910029746 A CN 201910029746A CN 109830090 A CN109830090 A CN 109830090A
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- 206010011469 Crying Diseases 0.000 title claims abstract description 60
- 238000012544 monitoring process Methods 0.000 title claims abstract description 54
- 238000012545 processing Methods 0.000 claims abstract description 17
- 230000005236 sound signal Effects 0.000 claims abstract description 10
- 230000009429 distress Effects 0.000 claims abstract description 5
- 238000012790 confirmation Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 13
- 239000012634 fragment Substances 0.000 claims description 7
- 230000003595 spectral effect Effects 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 3
- 230000036651 mood Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000006855 networking Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 206010039740 Screaming Diseases 0.000 description 1
- SAZUGELZHZOXHB-UHFFFAOYSA-N acecarbromal Chemical compound CCC(Br)(CC)C(=O)NC(=O)NC(C)=O SAZUGELZHZOXHB-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Abstract
The invention belongs to safety monitoring technology field, a kind of interior safety monitoring based on automobile data recorder and crying identification and help-asking system are disclosed；Audio Input Modules, for carrying out the acquisition of basic crying sample；Work as automobile flameout, automobile data recorder triggering parking monitor state, the starting of baby safety monitoring help-seeking system, built-in audio receiver receives voice signal and carries out audio parsing processing and stored audio segment, and enters speech recognition module and carry out next step identification；Speech recognition module carries out confirmation identification to collected audio signal；Emergency message is sent to car owner by the wireless network of automobile data recorder, completes the external output function of distress signal by signal transmitting module.The present invention makes full use of the widely used automobile data recorder such as existing automobile or school bus, it is integrated with handset dialing system and crying identifying system, simultaneously also can be integrated with car networking, notify corresponding responsibility people much sooner when crying occurs, the interior stranded child of discovery in time.
Description
Technical field
The invention belongs to safety monitoring technology field more particularly to a kind of cars based on automobile data recorder and crying identification
Safety monitoring and help-asking system.
Background technique
Currently, the prior art commonly used in the trade is such that the stranded interior lethal events of part infant take place frequently in recent years.
Even the temperature in sealed vehicle also may be up to 46 degree, this is to the infant powerlessly to cry for help in the case where 20 degree of outdoor temperature
For be undoubtedly it is fatal.Simultaneously as environment inside car is excessively closed, the external world can not hear crying and screaming for a long time for child, therefore raw
Probability also is lower.Therefore, interior monitoring baby safety system has become a ring important in automotive safety Construction and operation.Mesh
Before, design and construction for interior baby safety are still in the exploratory stage, there is no specific designing technique specification, existing system
Uniting, design function is also relatively simple, and loophole is more.As what Minnan Institute of Science and Technology applied " has infant's false-lock car warning device
Automobile (application number: 201721479356.3) ", overcome child be detained alarm the problem of, but this technology exist cannot be distinguished
It is adult with child's false alarm, be unable to ensure infant touching sensor, serious forgiveness in most cases it is lower, using more sensing
The defects of device and single chip computer architecture excessively complexity and higher cost.The present invention is equipped with driving note in present most of vehicles
On the basis of recording instrument, children can be monitored by designing the baby safety monitoring alarm system based on automobile data recorder according to AI speech recognition
Youngster is safe and sends warning information in time, calls person liable's mobile phone, improves child's survival rate.
In conclusion problem of the existing technology is:
(1) automobile with infant's false-lock car warning device is lower for the accuracy for judging child's danger situation.
(2) prior art is worked together using multiple sensors or single-chip microcontroller and realizes detection, higher cost.
(3) prior art cannot accurately distinguish child and adult, be commonly present wrong report situation.
(4) prior art occupies interior narrow space, so that vehicle interior is more crowded, user experience decline.
Solve the difficulty and meaning of above-mentioned technical problem:
The difficult point for solving above-mentioned technical problem is:
1. it is simple to require interior safety monitoring help-asking system to establish, cost is relatively low.
2. interior safety monitoring help-asking system is required in most cases correctly to distinguish child and adult.
3. interior safe help-asking system is required to adapt to the child without autonomous emergency ability.
4. requiring to realize alert help function on the basis of correctly judging child's dangerous situation.
5. requiring the running that can be carried out the remote control system without manual intervention in certain vehicles.
6. reducing the occupancy for interior space to the greatest extent in the case where assurance function is intact unaffected.
Solve above-mentioned technical problem meaning:
1. the scope of application of interior safety monitoring help-asking system can be expanded, guarantee that the system can be suitable for a variety of vapour simultaneously
Vehicle type and situation can increase device popularization degree.
2. can be improved the serious forgiveness for judging danger situation, can effectively judge whether interior child is dangerous, reduce and miss
Report.
3. can be realized independent, automatic and efficiently and accurately alarm, it is not required to that other accessories are installed again, saves interior space,
Reduce cost.
4. can be realized remote control closing windows and skylight in certain vehicles, opening the behaviors such as air-conditioning.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of cars identified based on automobile data recorder and crying
Safety monitoring and help-asking system.
The invention is realized in this way a kind of interior safety monitoring and emergency based on automobile data recorder and crying identification is
System, it is described to include: with help-asking system based on automobile data recorder and the interior safety monitoring that crying identifies
Audio Input Modules, for carrying out the acquisition of basic crying sample；Work as automobile flameout, automobile data recorder triggering parking
Monitor state, the starting of baby safety monitoring help-seeking system, built-in audio receiver receive voice signal and carry out at audio parsing
Simultaneously stored audio segment is managed, and enters speech recognition module and carries out next step identification；
Speech recognition module carries out confirmation identification to collected audio signal；After audio signal is amplified processing,
Feature, identification are extracted to audio.Preset child's crying spectral slice of storage forms template library and reference model, to audio
Signal carries out similarity-rough set, obtains recognition result；If similarity lower than crying recognition failures are shown if setting value, terminate to know
Not, audio is deleted；Show that crying confirms successfully if reaching setting value, reaches alarm and require, entering signal sending module；
Emergency message is sent to car owner by the wireless network of automobile data recorder, completes emergency letter by signal transmitting module
Number external output function.
Further, dial-up program and sim card are embedded in automobile data recorder, signal transmitting module exports alarm signal, touching
Hair dial system simultaneously dials person liable's phone progress alert help.
Further, Audio Input Modules and speech recognition module complete interior baby safety monitoring function jointly.
Another object of the present invention is to provide pacified described in a kind of operation based on automobile data recorder and the interior of crying identification
The interior safety monitoring that based on automobile data recorder and crying is identified and method for seeking help of the full monitoring with help-asking system, it is described based on row
Vehicle recorder includes: with method for seeking help with the interior safety monitoring that crying identifies
The first step, automobile flameout, automobile data recorder trigger monitor state, when child passes into silence onboard overlong time, because
Uneasy mood is loudly cryyed；
Second step, crying signal enter Audio Input Modules, judge whether after accidentally recording and storing, into speech recognition mould
Block, to whether being that crying judges；
Distress signal is sent to car owner's mobile phone finally by signal transmitting module by third step, and warning car owner, which returns, to be checked.
It is described to further comprise with method for seeking help based on automobile data recorder and the interior safety monitoring that crying identifies:
After parking of automobile is flame-out, automobile data recorder initially enters parking monitoring shooting state, while its audio receiver
It is able to record interior voice signal, while entering parking monitoring shooting state, starts the children being embedded in automobile data recorder
Youngster's safety monitoring help-asking system；Segment processing is carried out for the audio-frequency information of record, stores audio fragment；
The audio fragment of storage is then amplified processing by the speech recognition module of system, extracts its zero_crossing_
The features such as rate, rmse, mfcc, spectral_centroid, spectral_rolloff and spectral_bandwidth,
With the mould for storing preset tetra- class child's crying spectral slice of quiet, noisy, babylaugh, babycry composition in system
Plate library compares identification, judges the similarity degree of its character numerical value；
If similarity is lower than setting value, audio is deleted, continues the processing of follow audio segment；If similarity reaches
It is required that judgement reaches alarm warning requirements, then car is identified as with the presence of infant's crying, system signal an alert, triggering dialing
Program dials person liable's phone number.
The car based on automobile data recorder and crying identification is installed another object of the present invention is to provide a kind of
The automobile of safety monitoring and help-asking system.
In conclusion advantages of the present invention and good effect are as follows: no longer need to install other hardware facilities, operation letter when installation
It is single, convenient for flexibly laying, all vehicles can be widely used in；Adult and children cannot be effectively judged for the prior art, easily missed
The defect sentenced judges situation by child's crying, effectively can accurately judge interior child situation in danger；For previous system
The drawbacks of touching triggering is needed, the present invention can actively acquire sound, carry out actively independent judgement；To solve that vehicle may be judged by accident
The problem of outer sound, is provided with the databases such as noise, effectively increases the serious forgiveness of this system；Make full use of existing automobile or school
The widely used automobile data recorder such as vehicle, is integrated with handset dialing system and crying identifying system, has modularized design peace
Dress, structure is easy to maintain, installation is simple, installation cost is low, high degree of automation and reduction judge by accident probability the advantages that, be widely used in
All kinds of large, medium and small automobiles, while also can be integrated with car networking, phase is notified much sooner when child's crying occurs
Person liable is answered to carry out remote control, the interior stranded child of discovery in time.
Detailed description of the invention
Fig. 1 is that the interior safety monitoring based on automobile data recorder and crying identification and emergency provided in an embodiment of the present invention are
System structural schematic diagram；
In figure: 1, Audio Input Modules；2, speech recognition module；3, signal transmitting module.
Fig. 2 is the interior safety monitoring provided in an embodiment of the present invention based on automobile data recorder and crying identification and emergency side
Method flow chart.
Fig. 3 is the interior safety monitoring provided in an embodiment of the present invention based on automobile data recorder and crying identification and emergency side
Method implementation flow chart.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Application principle of the invention is explained in detail with reference to the accompanying drawing.
As shown in Figure 1, it is provided in an embodiment of the present invention based on automobile data recorder and crying identification interior safety monitoring with
Help-asking system includes:
Audio Input Modules 1 carry out the acquisition of basic crying sample.Work as automobile flameout, automobile data recorder triggering parking prison
Control state, the starting of baby safety monitoring help-seeking system, built-in audio receiver receive voice signal and carry out audio parsing processing
And stored audio segment, and enter speech recognition module and carry out next step identification.
Speech recognition module 2 carries out confirmation identification to collected audio signal.Audio signal is amplified into processing
Afterwards, feature, identification are extracted to audio.Preset child's crying spectral slice of storage forms template library and reference model, right
Audio signal carries out similarity-rough set (i.e. pattern match), obtains recognition result.Show crying if similarity is lower than setting value
Recognition failures terminate identification, delete audio；Show that crying confirms successfully if reaching setting value, reaches alarm and require, into letter
Number sending module 3.
Emergency message is sent to car owner by the wireless network of automobile data recorder by signal transmitting module 3, completes emergency letter
Number external output function.
Dial-up program and sim card are embedded in automobile data recorder, signal transmitting module 3 exports alarm signal, triggering dialing
System simultaneously dials person liable's phone progress alert help.
Audio Input Modules 1 and speech recognition module 2 complete interior baby safety monitoring function jointly.
The workflow of Audio Input Modules 1: 1, automobile flameout signal 2, parking monitoring shooting state 3, voice signal are defeated
Enter 4, audio receiver and receives 5, baby safety monitoring help-seeking system starting 6, audio parsing processing 7, stored audio segment.
The workflow of speech recognition module 5:: 1, audio fragment enhanced processing 2, feature extraction 3, identification 4, storage preset
Child's crying spectral slice 5, template library 6, reference model 7, similarity-rough set (pattern match) simultaneously export recognition result 8, judgement
Whether it is lower than setting value 9, is to delete audio 10, otherwise reach alarm requirement (confirming successfully)
The workflow of signal transmitting module 3: 1, it exports alarm signal 2, triggering dial system 3, dial person liable's phone.
As shown in Fig. 2, it is provided in an embodiment of the present invention based on automobile data recorder and crying identification interior safety monitoring with
Method for seeking help includes:
S201: automobile flameout, automobile data recorder trigger monitor state, can be because when child passes into silence onboard overlong time
Uneasy mood is loudly cryyed；
S202: crying signal enters Audio Input Modules, judges whether after accidentally recording and storing, into speech recognition module,
To whether being that crying judges；
S203: distress signal is sent to car owner's mobile phone finally by signal transmitting module, warning car owner, which returns, to be checked.
As shown in figure 3, it is provided in an embodiment of the present invention based on automobile data recorder and crying identification interior safety monitoring with
Method for seeking help specifically includes: after parking of automobile is flame-out, automobile data recorder initially enters parking monitoring shooting state, while its sound
Frequency receiver is able to record interior voice signal, and parking monitoring shooting state is able to maintain certain time, and (the specific time is according to row
Depending on vehicle recorder electricity, general 2-4 hour), while entering parking monitoring shooting state, starting is embedded in driving note
Record the baby safety monitoring help-seeking system in instrument；Segment processing is carried out for the audio-frequency information of record, stores audio fragment.System
Speech recognition module the audio fragment of storage is then amplified into processing (exacerbation), then stored in feature extraction, with system
Identification is compared by the template library that preset child's crying spectral slice forms, according to pre-designed；If similarity is low
In setting value, then audio is deleted, continues the processing of follow audio segment；If similarity reaches requirement, judgement reaches alarm and wants
It asks, is then identified as car with the presence of infant's crying, system signal an alert triggers dial-up program, dials person liable's mobile phone
Number.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of interior safety monitoring and help-asking system based on automobile data recorder and crying identification, which is characterized in that the base
Include: with help-asking system in automobile data recorder and the interior safety monitoring that crying identifies
Audio Input Modules, for carrying out the acquisition of basic crying sample；Work as automobile flameout, automobile data recorder triggering parking monitoring
State, the starting of baby safety monitoring help-seeking system, built-in audio receiver receive voice signal and carry out audio parsing processing simultaneously
Stored audio segment, and enter speech recognition module and carry out next step identification；
Speech recognition module carries out confirmation identification to collected audio signal；After audio signal is amplified processing, to sound
Frequency extracts feature, identification；Preset child's crying spectral slice of storage forms template library and reference model, to audio signal
Similarity-rough set is carried out, recognition result is obtained；If similarity lower than crying recognition failures are shown if setting value, terminates identification, delete
Except audio；Show that crying confirms successfully if reaching setting value, reaches alarm and require, entering signal sending module；
Emergency message is sent to car owner by the wireless network of automobile data recorder, completes distress signal by signal transmitting module
External output function.
2. interior safety monitoring and help-asking system as described in claim 1 based on automobile data recorder and crying identification, special
Sign is, dial-up program and sim card are embedded in automobile data recorder, and signal transmitting module exports alarm signal, triggering dialing system
It unites and dials person liable's phone and carry out alert help.
3. interior safety monitoring and help-asking system as described in claim 1 based on automobile data recorder and crying identification, special
Sign is that Audio Input Modules and speech recognition module complete interior baby safety monitoring function jointly.
4. interior safety monitoring and help-asking system described in a kind of operation claim 1 based on automobile data recorder and crying identification
Interior safety monitoring and method for seeking help based on automobile data recorder and crying identification, which is characterized in that described to be based on driving recording
Instrument includes: with method for seeking help with the interior safety monitoring that crying identifies
The first step, automobile flameout, automobile data recorder trigger monitor state, when child passes into silence onboard overlong time, because of uneasiness
Mood is loudly cryyed；
Second step, crying signal enter Audio Input Modules, judge whether after accidentally recording and storing, right into speech recognition module
It whether is that crying is judged；
Distress signal is sent to car owner's mobile phone finally by signal transmitting module by third step, and warning car owner, which returns, to be checked.
5. interior safety monitoring and method for seeking help as claimed in claim 4 based on automobile data recorder and crying identification, special
Sign is, described to further comprise with method for seeking help based on automobile data recorder and the interior safety monitoring that crying identifies:
After parking of automobile is flame-out, automobile data recorder initially enters parking monitoring shooting state, while its audio receiver can
Interior voice signal is recorded, while entering parking monitoring shooting state, starts the child's peace being embedded in automobile data recorder
Full monitoring help-seeking system；Segment processing is carried out for the audio-frequency information of record, stores audio fragment；
The audio fragment of storage is then amplified processing by the speech recognition module of system, is then stored up in feature extraction, with system
The template library for having preset child's crying spectral slice composition compares identification, according to pre-designed；
If similarity is lower than setting value, audio is deleted, continues the processing of follow audio segment；It is wanted if similarity reaches
It asks, judgement reaches alarm warning requirements, then is identified as car with the presence of infant's crying, system signal an alert, triggering dialing journey
Sequence dials person liable's phone number.
6. a kind of be equipped with described in claims 1 to 3 any one is supervised based on automobile data recorder and the car safety of crying identification
Survey the automobile with help-asking system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910029746.8A CN109830090A (en) | 2019-01-14 | 2019-01-14 | Interior safety monitoring and help-asking system based on automobile data recorder and crying identification |
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| CN201910029746.8A CN109830090A (en) | 2019-01-14 | 2019-01-14 | Interior safety monitoring and help-asking system based on automobile data recorder and crying identification |
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ID=66860834
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| CN201910029746.8A Pending CN109830090A (en) | 2019-01-14 | 2019-01-14 | Interior safety monitoring and help-asking system based on automobile data recorder and crying identification |
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Cited By (4)
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| CN111696224A (en) * | 2020-04-20 | 2020-09-22 | 深圳奥尼电子股份有限公司 | Automobile data recorder and intelligent security alarm method thereof |
| CN112208474A (en) * | 2020-10-17 | 2021-01-12 | 董玉珍 | Children state tracking and early warning system |
| CN113810545A (en) * | 2021-09-17 | 2021-12-17 | 百度在线网络技术（北京）有限公司 | Call information processing method, device, equipment and storage medium |
| CN114954339A (en) * | 2022-05-24 | 2022-08-30 | 中国第一汽车股份有限公司 | Detection device and method for preventing children from being trapped in car based on voice recognition technology |
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Application publication date: 20190531 |