CN104378606B - Seashore outdoor bathing place visitor's ascending and descending condition detecting system - Google Patents
Seashore outdoor bathing place visitor's ascending and descending condition detecting system Download PDFInfo
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- CN104378606B CN104378606B CN201410712079.0A CN201410712079A CN104378606B CN 104378606 B CN104378606 B CN 104378606B CN 201410712079 A CN201410712079 A CN 201410712079A CN 104378606 B CN104378606 B CN 104378606B
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- 230000001174 ascending effect Effects 0.000 title claims abstract description 68
- 238000003287 bathing Methods 0.000 title claims abstract description 63
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 36
- 230000003044 adaptive effect Effects 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 15
- 230000002463 transducing effect Effects 0.000 claims description 12
- 238000007667 floating Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003643 water by type Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000013528 artificial neural network Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003653 coastal water Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 206010021703 Indifference Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/08—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention relates to a kind of seashore outdoor bathing place visitor ascending and descending condition detecting system, including sonar detector, ascending and descending condition detector, master controller and audible-visual annunciator, the ascending and descending condition detector based on graphical analysis with detect seashore outdoor bathing place preset marine site in each visitor ascending and descending condition, the sonar detector is used to detect the submarine target in the default marine site in seashore outdoor bathing place, the audible-visual annunciator is used to provide sound and light alarm signal, the master controller and the sonar detector, the ascending and descending condition detector and the audible-visual annunciator connect respectively, testing result based on the ascending and descending condition detector determines whether to start the sonar detector and the audible-visual annunciator.By means of the invention it is possible to detect the current ascending and descending condition of each visitor in the predetermined maritime area of seashore outdoor bathing place in real time, early warning and alarm are carried out in time when there is the danger of visitor's sinking too long, while starts sonar detection method, improve rescue efficiency.
Description
Technical field
The present invention relates to marine site monitoring field, more particularly to a kind of seashore outdoor bathing place visitor ascending and descending condition detecting system.
Background technology
Different from indoor swimming pool, seashore outdoor bathing place is place of preferably spending a holiday, and by the sea on outdoor bathing place, visitor can select
Seashore sandy beach is played, sunbath, can also be selected to swim in outdoor bathing place, be played with water, because outdoor environment can be with the nature of locality
Landscape is combined together, and visitor can obtain more rich body and mind experience, and the pleasure for reaching more whole body is loosened.
But because seashore outdoor bathing place and coastal waters link together, the complex biological situation, wave in marine site are to visitor
Impact and utilizing ocean current temperature difference all can bring certain influence to playing for visitor, especially when wave is huge or
When person has the large ocean biology to attack visitor in marine site, therefore, how to ensure visitor by the sea in the marine site at outdoor bathing place
Personal safety, be that each seashore outdoor bathing place security department primarily solves the problems, such as.
In the prior art, seashore outdoor bathing place would generally arrange multiple Security Personnel, these securities on the sandy beach near marine site
Personnel pass through Special Training, are sitting in respectively on multiple higher grandstands, fixed distance between grandstand, the real-time people of Security Personnel
Work, which is looked around, distributes to the predetermined maritime area of oneself, find marine site in visitor there is the long period not float when, send alarm and under
Sea rescue, to ensure the personal safety of visitor.But this manual type excessively relies on manually, automaticity is not high, security
Personnel cannot be guaranteed all the period of time can high concentration spirit Jin Hang lookouts, monitoring effect is not high, and the warp of each Security Personnel
Test variant, the effect of detection is also variant.
Therefore, it is necessary to which a kind of seashore outdoor bathing place visitor ascending and descending condition detecting system, is substituted artificial by the way of electronic monitoring
Monitoring, can indifference, high efficiency, monitor each exhaustive and the visitor of abnormality occur, to be swum to seashore outdoor bathing place
The visitor of object for appreciation provides comprehensive safety guarantee.
The content of the invention
In order to solve the above problems, the invention provides a kind of seashore outdoor bathing place visitor ascending and descending condition detecting system, introduces figure
The ascending and descending condition of each visitor is detected with analytical technology as gathering, and the ascending and descending condition based on visitor is judged, it is determined that
Whether visitor is in unsafe condition, while also been scheduled sonar detection device and visitor's target in unsafe condition is carried out
Search, saves rescue period, improves the monitoring effect at seashore outdoor bathing place.
According to an aspect of the present invention, there is provided a kind of seashore outdoor bathing place visitor ascending and descending condition detecting system, the detection system
System includes sonar detector, ascending and descending condition detector, master controller and audible-visual annunciator, and the ascending and descending condition detector is based on figure
As analysis to detect the ascending and descending condition of each visitor in the default marine site in seashore outdoor bathing place, the sonar detector is used to detect seashore
The submarine target in marine site is preset at outdoor bathing place, and the audible-visual annunciator is used to provide sound and light alarm signal, the master controller and institute
State sonar detector, the ascending and descending condition detector and the audible-visual annunciator to connect respectively, detected based on the ascending and descending condition
The testing result of device determines whether to start the sonar detector and the audible-visual annunciator.
More specifically, in the seashore outdoor bathing place visitor ascending and descending condition detecting system, in addition to, user input equipment, use
In the operation according to user, the default marine site at the seashore outdoor bathing place that the ascending and descending condition detector is detected is pre-adjusted；Memory,
It is connected with the user input equipment, for storing the default marine site, is additionally operable to storage visitor's gray feature and first and makes a reservation for
Time threshold and the second scheduled time threshold value, visitor's gray feature is used for the visitor in image and background separation, described
First scheduled time threshold value is less than second scheduled time threshold value；The ascending and descending condition detector include high-definition camera equipment and
Image processing equipment, high-definition camera equipment are made up of electric platform, driving structure and high-definition camera, the high-definition camera
Resolution ratio is 1920 × 1080, is fixed on the electric platform, the driving structure and the memory and described electronic
Head connects respectively, drive signal is sent according to the default marine site, to drive the motor of the electric platform, so as to control
The shooting direction of the high-definition camera, the marine site image in default marine site described in captured in real-time；Image processing equipment is by adaptive
Recursive filtering equipment, gray proces equipment, visitor's target identification equipment, visitor's target following equipment and ascending and descending condition statistics equipment
Composition, the adaptive recursive filtering equipment are connected with the high-definition camera, and adaptive recurrence is performed to the marine site image
Filtering process, to export filtering image, the gray proces equipment is connected with the adaptive recursive filtering equipment, with to described
Filtering image gray processing, with output gray level image, visitor's target identification equipment and the gray proces equipment and described
Memory connects respectively, by the gray value of each pixel of the gray level image compared with visitor's gray feature, with
It is determined that whether the pixel compared belongs to visitor's pixel, multiple visitor's subgraphs are thus partitioned into from the gray level image,
Visitor's target following equipment is connected with visitor's target identification equipment, to visitor's target in each visitor's subgraph
Real-time tracking is carried out, when visitor's target in visitor's subgraph disappears, visitor's target is judged to avale, in visitor's subgraph
In visitor's target when occurring, judge visitor's target on floating, the ascending and descending condition statistics equipment and visitor's target with
Track equipment is connected, and the sink-float of visitor's target in each visitor's subgraph is judged based on visitor's target following equipment,
The current sinking time of visitor's target and current floating time in each visitor's subgraph of real-time statistics；The sonar detector
It is arranged under the bank waters at the seashore outdoor bathing place, including transmitting transducing devices, for launching sound wave under water, transmitting sound wave is met
During to submarine target, sound wave is reflected；Transducing devices are received, for receiving the sound of the submarine target reflection under water
Ripple；Micro-control control equipment, with it is described transmitting transducing devices and it is described reception transducing devices be connected respectively, based on transmitting acoustic wave character and
Receive the relative position that acoustic wave character calculates the submarine target；The master controller is ARM11 embedded processing chips, with institute
State memory, the sonar detector, the ascending and descending condition detector and the audible-visual annunciator to connect respectively, receive the trip
The statistical result of objective target following equipment, when the current sinking time that visitor's target in visitor's subgraph be present is predetermined more than first
During time threshold, visitor's sinking pre-warning signal is sent, when the current sinking time that visitor's target in visitor's subgraph be present exceedes
During the second scheduled time threshold value, visitor's sinking alarm signal is sent, and start the sonar detector；The audible-visual annunciator bag
Voice playing equipment is included, for playing voice corresponding with visitor sinking pre-warning signal or visitor sinking alarm signal
Warn file；Alarm lamp, flashed when receiving visitor's sinking pre-warning signal with the first flicker frequency, it is described receiving
Flashed during visitor's sinking alarm signal with the second flicker frequency, first flicker frequency is less than the second flicker frequency；Wherein, institute
State user input equipment, the memory, the master controller and the audible-visual annunciator and be all disposed within the seashore outdoor bathing place
In instrument board below the cross bar of bank, the ascending and descending condition detector is arranged on the bank cross bar at the seashore outdoor bathing place；It is described
Adaptive recursive filtering equipment, the gray proces equipment, visitor's target identification equipment, visitor's target following equipment
Fpga chip is all respectively adopted with ascending and descending condition statistics equipment and realizes that used fpga chip is XILINX companies
XC3S1000FT256。
More specifically, in the seashore outdoor bathing place visitor ascending and descending condition detecting system, in addition to display device, positioned at described
On instrument board below the bank cross bar at seashore outdoor bathing place, it is connected, is used for described image processing equipment and the sonar detector
Marine site image described in real-time display, it is additionally operable to when currently avaling of visitor's target in each visitor's subgraph described in real-time display
Between and current floating time, and the testing result of the display sonar detector.
More specifically, in the seashore outdoor bathing place visitor ascending and descending condition detecting system, the display device is liquid crystal display
Screen.
More specifically, in the seashore outdoor bathing place visitor ascending and descending condition detecting system, in addition to power supply unit, positioned at described
In instrument board below the bank cross bar at seashore outdoor bathing place, for being powered in real time for the detecting system.
More specifically, in the seashore outdoor bathing place visitor ascending and descending condition detecting system, the adaptive recursive filtering is set
Standby, described gray proces equipment, visitor's target identification equipment, visitor's target following equipment and ascending and descending condition system
Meter equipment is concentrated on one piece of surface-mounted integrated circuit.
Brief description of the drawings
Embodiment of the present invention is described below with reference to accompanying drawing, wherein：
Fig. 1 is the structure square frame of seashore outdoor bathing place visitor's ascending and descending condition detecting system according to embodiment of the present invention
Figure.
Fig. 2 is the sonar detector of seashore outdoor bathing place visitor's ascending and descending condition detecting system according to embodiment of the present invention
Block diagram.
Embodiment
The embodiment of seashore outdoor bathing place visitor's ascending and descending condition detecting system of the present invention is carried out in detail below with reference to accompanying drawings
Describe in detail bright.
With the economic development and improvement of people's living standards, the easiness that people have been not content with outside work is raw
It is living, it is ready that putting into more funds goes to farther tourist attractions to go to play, to obtain more seeing and hearing enjoyments, so as to loosen body and mind.
Tourist attractions can be divided into eight kinds of classifications：Lake round scenic spot, Mountainous scenic spot, forest scenic spot, scenery with hills and waters scenic spot,
Seabeach scenic spot, summer resort, religion temple Scenic Area, the place of history memory scenic spot of recuperating of lying fallow, wherein, seabeach scenic spot is
One of tourist attractions that people favor the most, because scenic spot has many seashore outdoor bathing places to provide the sea that visitor wants by the sea
The activities such as side surfing, snorkeling, diving, swimming, play sand, sunbath.
But visitor it is movable in the marine site at outdoor bathing place by the sea when, although seashore outdoor bathing place is cleaned to the environment in marine site
With arrange, due to that close to coastal waters, still easily can be attacked by sea beat and marine organisms, therefore, it is necessary to built for visitor
A set of detection of unsafe condition warning system is found, conventional artificial mode of looking around excessively falls behind.
Seashore outdoor bathing place visitor's ascending and descending condition detecting system of the present invention, whole process is by the way of electronic monitoring, and induce one image
Treatment technology and sinkage time statistics, critical condition is sent to the security department of locality by way of sound and light alarm in time,
Start sonar system immediately simultaneously and carry out target homing, greatly reduce the rescue reaction time.
Fig. 1 is the structure square frame of seashore outdoor bathing place visitor's ascending and descending condition detecting system according to embodiment of the present invention
Figure, the detecting system includes sonar detector 2, ascending and descending condition detector 3, master controller 1 and audible-visual annunciator 4, described heavy
State detector 3 is floated based on graphical analysis to detect the ascending and descending condition that each visitor in marine site is preset at seashore outdoor bathing place, the sound
Detector 2 is used to detect the submarine target in the default marine site in seashore outdoor bathing place, and the audible-visual annunciator 4 is used to provide sound and light alarm
Signal, the master controller 1 are distinguished with the sonar detector 2, the ascending and descending condition detector 3 and the audible-visual annunciator 4
Connection, the testing result based on the ascending and descending condition detector 3 determine whether to start the sonar detector 2 and the acousto-optic report
Alert device 4.
Then, continue to carry out further the concrete structure of seashore outdoor bathing place visitor's ascending and descending condition detecting system of the present invention
Explanation.
The detecting system also includes, user input equipment, for the operation according to user, pre-adjusts the sink-float shape
The default marine site at the seashore outdoor bathing place that state detector is detected.
The detecting system also includes memory, is connected with the user input equipment, for storing the default marine site,
It is additionally operable to store visitor's gray feature and the first scheduled time threshold value and the second scheduled time threshold value, visitor's gray feature is used
In the visitor in image and background separation, first scheduled time threshold value are less than into second scheduled time threshold value.
The ascending and descending condition detector 3 includes high-definition camera equipment, by electric platform, driving structure and high-definition camera group
Into the resolution ratio of the high-definition camera is 1920 × 1080, is fixed on the electric platform, the driving structure and institute
State memory and the electric platform connects respectively, drive signal is sent according to the default marine site, to drive the electronic cloud
The motor of platform, so as to control the shooting direction of the high-definition camera, the marine site image in marine site is preset described in captured in real-time.
The ascending and descending condition detector 3 includes image processing equipment, is set by adaptive recursive filtering equipment, gray proces
Standby, visitor's target identification equipment, visitor's target following equipment and ascending and descending condition statistics equipment composition.
The adaptive recursive filtering equipment is connected with the high-definition camera, and the marine site image is performed and adaptively passed
Return filtering process, to export filtering image, the gray proces equipment is connected with the adaptive recursive filtering equipment, with to institute
Filtering image gray processing is stated, with output gray level image, visitor's target identification equipment and the gray proces equipment and institute
Memory is stated to connect respectively, by the gray value of each pixel of the gray level image compared with visitor's gray feature,
To determine whether the pixel compared belongs to visitor's pixel, multiple visitor's subgraphs are thus partitioned into from the gray level image
Picture.
Visitor's target following equipment is connected with visitor's target identification equipment, in each visitor's subgraph
Visitor's target carries out real-time tracking, when visitor's target in visitor's subgraph disappears, judges that visitor's target to avale, is being swum
When visitor's target in objective subgraph occurs, visitor's target is judged on floating, the ascending and descending condition statistics equipment and the trip
Objective target following equipment connection, based on visitor's target following equipment to the heavy of visitor's target in each visitor's subgraph
It is floating to judge, the current sinking time of visitor's target and current floating time in each visitor's subgraph of real-time statistics.
The sonar detector 2 is arranged under the bank waters at the seashore outdoor bathing place, as shown in Fig. 2 the sonar detects
Device 2 includes transmitting transducing devices 22, and for launching sound wave under water, when transmitting sound wave runs into submarine target, sound wave is reflected back
Come；Transducing devices 23 are received, for receiving the sound wave of the submarine target reflection under water；Micro-control control equipment 21, with the hair
Penetrate transducing devices 22 and the reception transducing devices 23 connect respectively, based on transmitting acoustic wave character and receive acoustic wave character calculating institute
State the relative position of submarine target.
The master controller is ARM11 embedded processing chips, with the memory, the sonar detector 2, described heavy
Floating state detector 3 and the audible-visual annunciator 4 connect respectively, receive the statistical result of visitor's target following equipment, when
When the current sinking time of visitor's target in visitor's subgraph be present more than the first scheduled time threshold value, visitor's sinking early warning is sent
Signal, when the current sinking time that visitor's target in visitor's subgraph be present is more than the second scheduled time threshold value, send visitor
Sink alarm signal, and starts the sonar detector.
The audible-visual annunciator 4 includes, voice playing equipment, for playing and visitor sinking pre-warning signal or described
Phonetic warning file corresponding to visitor's sinking alarm signal；Alarm lamp, receive the visitor sink pre-warning signal when with the
One flicker frequency flashes, and is flashed when receiving visitor's sinking alarm signal with the second flicker frequency, first flicker
Frequency is less than the second flicker frequency.
Wherein, the user input equipment, the memory, the master controller 1 and the audible-visual annunciator 4 are all set
In the instrument board below the bank cross bar at the seashore outdoor bathing place, the ascending and descending condition detector 3 is arranged on the seashore outdoor bathing place
Bank cross bar on；The adaptive recursive filtering equipment, the gray proces equipment, visitor's target identification equipment, institute
State visitor's target following equipment and fpga chip realization, used FPGA cores is all respectively adopted in ascending and descending condition statistics equipment
Piece is the XC3S1000FT256 of XILINX companies.
Wherein, in the detecting system, display device can also be included, under the bank cross bar at the seashore outdoor bathing place
On the instrument board of side, it is connected respectively with described image processing equipment and the sonar detector 2, for marine site described in real-time display
Image, when being additionally operable to the current sinking time of visitor's target in each visitor's subgraph described in real-time display and currently floating upper
Between, and the testing result of the display sonar detector 2.The display device is chosen as LCDs, in the detection
Power supply unit can also be included in system, in the instrument board below the bank cross bar at the seashore outdoor bathing place, for be described
Detecting system is powered in real time, while can be selected the adaptive recursive filtering equipment, the gray proces equipment, the trip
Objective target identification equipment, visitor's target following equipment and ascending and descending condition statistics equipment concentrate on one piece of surface-mounted integrated circuit
On.
In addition, adaptive-filtering is present in many different fields such as signal transacting, control, image procossing, he be it is a kind of more
The more targeted filtering method of intelligence, is generally used for denoising.In image procossing, adaptive-filtering refers in image
When different zones have respective picture characteristics, optimal, different parameter, filter are chosen for these different qualities respectively
Ripple device or filtering method are filtered.In the other fields such as Signals ＆ Systems, he can under conditions of without priori,
By self study, adapt to or the non-stationary of tracking external environment condition changes at random, and finally approach Wiener filter or Kalman's filter
The optimal filter performance of ripple device.
The multiple fields such as adaptive-filtering is applicable to communicate, controlled, radar, sonar, earthquake, biology.Adaptive-filtering
Device adjusts filter coefficient and frequency response using it is expected and feeding back.Conventional auto-adaptive filtering technique has：Adaptive LMS
(lowest mean square) wave filter, adaptive lattice filter, auto-adaptive recursive filter, frequency domain and Subband adaptive filters, from
Adapt to infinite impulse response filter, blind adaptive filtering device, Neural Network Based Nonlinear sef-adapting filter etc..
In addition, sonar is english abbreviation " SONAR " transliteration, its Chinese full name is：Sound navigation and ranging, i.e. Sound
Navigation And Ranging, be it is a kind of utilize the underwater propagation characteristic of sound wave, changed by electroacoustic and information processing,
Complete the electronic equipment of undersea detection and communication task.
Sonar has active and passive type two types, belongs to the category of acoustics positioning.Sonar is to utilize underwater acoustic wave pair
The electronic equipment that submarine target is detected, positioned and communicated, it is most widely used, most important a kind of device in marine acoustics.
As a kind of acoustic sounding equipment, active sonar comes into operation first in Britain.Decay due to electromagnetic wave in water
Speed is very high, it is most extensive can not to turn into utilization with the culture of acoustic detection underwater as the signal source of detecting
Means.Sonar technology is usually used in the object under the detection bottom, or the foundation of navigation is used as using it.
Using seashore outdoor bathing place visitor's ascending and descending condition detecting system of the present invention, relied primarily on manually for existing detecting system
Monitoring and existing monitoring face is complete, monitoring efficiency is not high and the discrepant technical problem of monitoring level, using IMAQ,
Identification and tracking technique are to obtain each visitor's target on marine site, and reasonable analysis visitor's target ascending and descending condition is to decide whether
Start acoustic sweep and sound and light alarm, so as to improve the reaction speed and monitoring efficiency of seashore outdoor bathing place security department.
It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications are all made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection
It is interior.
Claims (5)
1. a kind of seashore outdoor bathing place visitor ascending and descending condition detecting system, the detecting system includes sonar detector, ascending and descending condition is examined
Device, master controller and audible-visual annunciator are surveyed, the ascending and descending condition detector is based on graphical analysis to detect the default sea in seashore outdoor bathing place
The ascending and descending condition of each visitor in domain, the sonar detector are used to detect the submarine target in the default marine site in seashore outdoor bathing place,
The audible-visual annunciator is used to provide sound and light alarm signal, the master controller and the sonar detector, the ascending and descending condition
Detector and the audible-visual annunciator connect respectively, and the testing result based on the ascending and descending condition detector determines whether to start institute
State sonar detector and the audible-visual annunciator；
Characterized in that, the detecting system also includes：
User input equipment, for the operation according to user, pre-adjust the seashore bath that the ascending and descending condition detector is detected
The default marine site of field；
Memory, it is connected with the user input equipment, for storing the default marine site, is additionally operable to store visitor's gray feature
With the first scheduled time threshold value and the second scheduled time threshold value, visitor's gray feature is used for the visitor in image and background
Separation, first scheduled time threshold value are less than second scheduled time threshold value；
The ascending and descending condition detector includes
High-definition camera equipment, it is made up of electric platform, driving structure and high-definition camera, the resolution ratio of the high-definition camera is
1920 × 1080, it is fixed on the electric platform, the driving structure is distinguished with the memory and the electric platform
Connection, sends drive signal, to drive the motor of the electric platform, so as to control the high definition according to the default marine site
The shooting direction of camera, the marine site image in default marine site described in captured in real-time；
Image processing equipment, by adaptive recursive filtering equipment, gray proces equipment, visitor's target identification equipment, visitor's target
Tracking equipment and ascending and descending condition statistics equipment composition, the adaptive recursive filtering equipment is connected with the high-definition camera, right
The marine site image performs adaptive recursive filtering processing, to export filtering image, the gray proces equipment with it is described adaptive
Recursive filtering equipment is answered to connect, so as to the filtering image gray processing, with output gray level image, visitor's target identification is set
It is standby to be connected respectively with the gray proces equipment and the memory, by the gray value of each pixel of the gray level image
Compared with visitor's gray feature, to determine whether the pixel compared belongs to visitor's pixel, thus from the gray processing figure
Multiple visitor's subgraphs are partitioned into as in, visitor's target following equipment is connected with visitor's target identification equipment, to every
Visitor's target in one visitor's subgraph carries out real-time tracking, and when visitor's target in visitor's subgraph disappears, judging should
Visitor's target is avales, when visitor's target in visitor's subgraph occurs, judge visitor's target to float on, the sink-float shape
State statistics equipment is connected with visitor's target following equipment, based on visitor's target following equipment to each visitor's subgraph
The sink-float of visitor's target as in judges, the current sinking time of visitor's target and works as in each visitor's subgraph of real-time statistics
Preceding floating time；
The sonar detector is arranged under the bank waters at the seashore outdoor bathing place, including
Launch transducing devices, for launching sound wave under water, when transmitting sound wave runs into submarine target, sound wave is reflected；
Transducing devices are received, for receiving the sound wave of the submarine target reflection under water；
Micro-control control equipment, it is connected respectively with the transmitting transducing devices and the reception transducing devices, based on transmitting acoustic wave character
With the relative position for receiving the acoustic wave character calculating submarine target；
The master controller is ARM11 embedded processing chips, with the memory, the sonar detector, the sink-float shape
State detector and the audible-visual annunciator connect respectively, receive the statistical result of visitor's target following equipment, are swum when existing
When the current sinking time of visitor's target is more than the first scheduled time threshold value in objective subgraph, visitor's sinking pre-warning signal is sent,
When the current sinking time that visitor's target in visitor's subgraph be present is more than the second scheduled time threshold value, visitor's sinking report is sent
Alert signal, and start the sonar detector；
The audible-visual annunciator includes
Voice playing equipment, for playing language corresponding with visitor sinking pre-warning signal or visitor sinking alarm signal
Sound warns file；
Alarm lamp, flashed when receiving visitor's sinking pre-warning signal with the first flicker frequency, receiving the visitor
Flashed during the alarm signal that sinks with the second flicker frequency, first flicker frequency is less than the second flicker frequency；
Wherein, the user input equipment, the memory, the master controller and the audible-visual annunciator are all disposed within described
In instrument board below the bank cross bar at seashore outdoor bathing place, the bank that the ascending and descending condition detector is arranged on the seashore outdoor bathing place is horizontal
On bar；
Wherein, the adaptive recursive filtering equipment, the gray proces equipment, visitor's target identification equipment, the trip
Fpga chip realization is all respectively adopted in objective target following equipment and ascending and descending condition statistics equipment, and used fpga chip is equal
For the XC3S1000FT256 of XILINX companies；
Wherein, the adaptive recursive filtering equipment performs adaptive recursive filtering to the marine site image and handles concrete operations such as
Under：When the different zones of the marine site image have respective picture characteristics, chosen respectively not for these different qualities respectively
Identical wave filter or filtering method are filtered；Wherein, the different wave filter include adaptive LMS filter,
Adaptive lattice filter, auto-adaptive recursive filter, frequency domain and Subband adaptive filters, the filter of adaptive IIR
Ripple device, blind adaptive filtering device and Neural Network Based Nonlinear sef-adapting filter.
2. seashore outdoor bathing place visitor ascending and descending condition detecting system as claimed in claim 1, it is characterised in that the detecting system is also
Including：
Display device, on the instrument board below the bank cross bar at the seashore outdoor bathing place, with described image processing equipment and institute
The connection of sonar detector is stated, for marine site image described in real-time display, is additionally operable to each visitor's subgraph described in real-time display
The current sinking time of middle visitor's target and current floating time, and the testing result of the display sonar detector.
3. seashore outdoor bathing place visitor ascending and descending condition detecting system as claimed in claim 2, it is characterised in that：
The display device is LCDs.
4. seashore outdoor bathing place visitor ascending and descending condition detecting system as claimed in claim 1, it is characterised in that the detecting system is also
Including：
Power supply unit, in the instrument board below the bank cross bar at the seashore outdoor bathing place, for for the detecting system it is real-time
Power supply.
5. seashore outdoor bathing place visitor ascending and descending condition detecting system as claimed in claim 1, it is characterised in that：
By the adaptive recursive filtering equipment, the gray proces equipment, visitor's target identification equipment, visitor's mesh
Mark tracking equipment and ascending and descending condition statistics equipment are concentrated on one piece of surface-mounted integrated circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448218.7A CN107172399B (en) | 2014-11-27 | 2014-11-27 | Seaside bathing place tourist sinking and floating state detection system |
| CN201410712079.0A CN104378606B (en) | 2014-11-27 | 2014-11-27 | Seashore outdoor bathing place visitor's ascending and descending condition detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712079.0A CN104378606B (en) | 2014-11-27 | 2014-11-27 | Seashore outdoor bathing place visitor's ascending and descending condition detecting system |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710448218.7A Division CN107172399B (en) | 2014-11-27 | 2014-11-27 | Seaside bathing place tourist sinking and floating state detection system |
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| Publication Number | Publication Date |
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| CN104378606A CN104378606A (en) | 2015-02-25 |
| CN104378606B true CN104378606B (en) | 2017-12-01 |
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| CN201710448218.7A Active CN107172399B (en) | 2014-11-27 | 2014-11-27 | Seaside bathing place tourist sinking and floating state detection system |
| CN201410712079.0A Active CN104378606B (en) | 2014-11-27 | 2014-11-27 | Seashore outdoor bathing place visitor's ascending and descending condition detecting system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710448218.7A Active CN107172399B (en) | 2014-11-27 | 2014-11-27 | Seaside bathing place tourist sinking and floating state detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104994302B (en) * | 2015-07-21 | 2018-09-21 | 马科峰 | A kind of swimming pool safety safeguards system based on RFID technique |
| CN104680168A (en) * | 2015-03-10 | 2015-06-03 | 无锡桑尼安科技有限公司 | Extraction equipment of feature vectors for highway landform recognition |
| CN107860266B (en) * | 2017-12-22 | 2024-07-05 | 美钻能源科技(上海)有限公司 | Frog man preventing system for underwater equipment |
| CN108986412B (en) * | 2018-09-03 | 2020-02-07 | 刘奇彬 | Early drowning detection method and system |
| CN112309077A (en) * | 2020-09-23 | 2021-02-02 | 苏宁云计算有限公司 | Drowning alarm method and drowning alarm device for swimming pool |
| CN115019402B (en) * | 2022-08-09 | 2022-11-25 | 东莞先知大数据有限公司 | Shore personnel dangerous behavior detection method, electronic equipment and storage medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107172399A (en) | 2017-09-15 |
| CN107172399B (en) | 2020-11-20 |
| CN104378606A (en) | 2015-02-25 |
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