CN106991784B - Collision detection alarm platform - Google Patents
Collision detection alarm platform Download PDFInfo
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- CN106991784B CN106991784B CN201710376752.1A CN201710376752A CN106991784B CN 106991784 B CN106991784 B CN 106991784B CN 201710376752 A CN201710376752 A CN 201710376752A CN 106991784 B CN106991784 B CN 106991784B
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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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
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- Business, Economics & Management (AREA)
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- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The present invention relates to a kind of gate collision detection alarm platforms, including pressure sensing device, gate telescopic equipment, static storage device, light warning equipment, audible alarm equipment and DSP handle chip, the pressure sensing device is arranged on the gate telescopic equipment, for being detected the dynamics crashed on the gate telescopic equipment to export impact force numerical value, the gate telescopic equipment is when being in extended state, forbid personnel current, the gate telescopic equipment is when being in contraction state, permission personnel are current, the static storage device is for storing default dynamics threshold value, the DSP processing chip is used for when the impact force numerical value received is more than or equal to the default dynamics threshold value, issue collision warning signal.By means of the invention it is possible to realize the real-time detection and alarm to the abnormal behaviour on gate telescopic equipment.
Description
Technical field
The present invention relates to field of image detection more particularly to a kind of collision detection alarm platforms.
Background technique
Gate is a kind of channel barrier device (channel management equipment), for managing the stream of people and specification pedestrian discrepancy, mainly
Applied to subway gate system, charge ticket check gate system.Its most basic most crucial function is to realize that primary passes through a people,
It can be used for various charge, at the access road of gate inhibition's occasion.
During China is earliest the eighties using gate, in metro project.Gate is used as " AFC system
The capital equipment of " automatic ticket checker " in AFC ", and compatriots understand gate earliest and most widely at present.After the nineties
Phase, gate just appear in normal domestic and commercial applications, including office building, shopping mall supermarket, scenic spot or even high-end cell etc. gradually.
It should be pointed out that gate and ticket checking machine are not identical concepts.Ticket checking machine includes automatic ticket checker and just
Formula ticket checking machine is taken, automatic ticket checker is a kind of concrete application of gate combination ticketing system.The range of gate is wider, as long as with
It can be seen as the gate of broad sense in the equipment that administrator is flowed out into and is able to satisfy a primary only current people.
Current gate control system is perfect not enough, and in certain extreme cases, people still are able in the feelings that do not swipe the card
Smoothly pass through under condition, this violates the wishes of gate design person, meanwhile, existing entrance machine there is also some security risks,
It needs to redesign to be overcome.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of gate collision detection alarm platform, it is attached gate can be obtained
Close human body subgraph, and human body subgraph is matched with jump posture human body benchmark image, successful match is then issued and is deposited
In jump behavior signal, it fails to match, then issues and jump behavior signal is not present, and in Receiving collision alarm signal and there is jump
When jump behavior signal, equipment is released to barrier and issues the function of releasing control signal to realize anticollision.
According to an aspect of the present invention, a kind of gate collision detection alarm platform is provided, the platform includes that pressure passes
Feel equipment, gate telescopic equipment, static storage device, light warning equipment, audible alarm equipment and DSP and handles chip, institute
State pressure sensing device be arranged on the gate telescopic equipment, for the dynamics crashed on the gate telescopic equipment into
To export impact force numerical value, the gate telescopic equipment forbids personnel current, the gate when being in extended state for row detection
Telescopic equipment allows personnel current, the static storage device is for storing default dynamics threshold value, institute when being in contraction state
State DSP processing chip respectively with the pressure sensing device, the static storage device, the light warning equipment and described
Audible alarm equipment connection, for issuing collision when the impact force numerical value received is more than or equal to the default dynamics threshold value
Alarm signal.
More specifically, in the gate collision detection alarm platform:
The pressure sensing device, the light warning equipment and the audible alarm equipment are at gate telescopic equipment
When extended state, it is triggered and enters working condition from dormant state.
More specifically, in the gate collision detection alarm platform:
The pressure sensing device, the light warning equipment and the audible alarm equipment are at gate telescopic equipment
When contraction state, it is triggered and enters dormant state from working condition.
More specifically, in the gate collision detection alarm platform, further includes:
Gun-type video camera is arranged above the gate telescopic equipment, for the gate telescopic equipment front channel
Scene capture is carried out, to obtain gate forward image；
Luminance sensor is arranged above the gate telescopic equipment, near the gun-type video camera, is used for real-time monitoring
And export the ambient brightness around the gun-type video camera；
Secondary light source equipment is connect with the luminance sensor, for being more than or equal to predetermined luminance in the ambient brightness
When threshold value, the floor light to the gun-type video camera is closed, is also used to when the ambient brightness is less than predetermined luminance threshold value,
Start the floor light to the gun-type video camera；
Wherein, the predetermined luminance threshold value is stored in the static storage device and the secondary light source equipment
After starting is to the floor light of the gun-type video camera, the brightness of the floor light light of sending is with the ambient brightness at anti-
Than.
More specifically, in the gate collision detection alarm platform, further includes:
Barrier main body, setting are flat deployable structure and are highly greater than the gate at gate telescopic equipment rear
Telescopic equipment, default conditions are non-deployed condition；
Barrier releases equipment, connect with the barrier main body, for driving the screen when receiving release control signal
Hinder main body to be unfolded at gate telescopic equipment rear, is also used to drive the barrier master when receiving withdrawal control signal
Body is withdrawn at gate telescopic equipment rear to concede the gate telescopic equipment posterior approach；
Contrast enhances equipment, for receiving gate forward image, executes contrast enhancing to the gate forward image
Processing is to obtain enhancing image；
Wiener filtering equipment is connect, for receiving the enhancing image, and to the increasing with contrast enhancing equipment
Strong image executes Wiener filtering processing to obtain filtering image；
Area detecting equipment is connect with the filtering image, for being held based on default characteristics of human body to the filtering image
Pedestrian's body target detection determines the elemental area of each human body subgraph to obtain each human body subgraph, is based on each
Total elemental area of the elemental area of target and the filtering image determines the area accounting of each target；
Depth of field detection device is connect with the area detecting equipment, for determining each human body in the filtering image
Subgraph respectively corresponds the depth of field of each target, also determines each target based on the area accounting and the depth of field of each target
Entity area；
The first sieve apparatus of image, connect, for screening out entity area in the filtering image with the depth of field detection device
Less than or equal to each target of the first area threshold, to obtain primary dcreening operation image；
Image sieve apparatus again, connect with the depth of field detection device, for screening out entity area in the filtering image
Less than or equal to each target of second area threshold value, image is sieved again to obtain；
Target Acquisition equipment, sieve apparatus is connect again with sieve apparatus at the beginning of described image and described image respectively, and being used for will be described
Image is sieved again subtracts the primary dcreening operation image to obtain differentiation image, it will be corresponding to the remaining target in the differentiation image
Human body subgraph is exported as final human body subgraph；
Gesture recognition equipment is connect with the Target Acquisition equipment, for receiving the final human body subgraph, and by institute
It states final human body subgraph to be matched with jump posture human body benchmark image, successful match then issues that there are jump behavior letters
Number, it fails to match, then issues and jump behavior signal is not present；
Wherein, the second area threshold value is greater than first area threshold；
Wherein, the DSP processing chip is also released equipment with the gesture recognition equipment and the barrier and is connect, and is also used to
When receiving the collision warning signal and the behavior signal there are jump, equipment is released to the barrier and issues release control
Signal processed.
More specifically, in the gate collision detection alarm platform:
The static storage device is also used to be stored in advance default characteristics of human body, the first area threshold, second area threshold value
And jump posture human body benchmark image.
More specifically, in the gate collision detection alarm platform:
The contrast enhancing equipment, the Wiener filtering equipment, the area detecting equipment, depth of field detection are set
Standby, described image just distinguish again for sieve apparatus, described image by sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment
It is realized using different CPLD chips.
More specifically, in the gate collision detection alarm platform:
The contrast enhancing equipment, the Wiener filtering equipment, the area detecting equipment, depth of field detection are set
Just sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment are collected standby, described image again for sieve apparatus, described image
At on same integrated circuit board.
More specifically, in the gate collision detection alarm platform, further includes:
Mobile communication equipment is connect, for that will release control signal and collision warning signal with DSP processing chip
On the mobile terminal of administrative staff near being wirelessly sent to.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the structural block diagram according to the gate collision detection alarm platform shown in embodiment of the present invention.
Appended drawing reference: 1 pressure sensing device；2 gate telescopic equipments；3 static storage devices；4 light warning equipment；5 sound
Sound warning device；6DSP handles chip
Specific embodiment
Embodiment of the present invention is described in detail below with reference to accompanying drawings.
According to face shaping, gate can be divided into swing turnstile, flap turnstile, turnstile, in-line turnstile, translation turnstile and tripod turnstile.
Swing turnstile commonly referred to as pats door in track transportation industry, and the form for blocking body (lock pendulum) is that have certain area
Plane block and let pass by rotary oscillation realization perpendicular to ground.Block body material often use stainless steel, organic glass,
Tempered glass, some is also using the special flexible material of metal plate outsourcing (injury for reducing shock pedestrian).
It is divided into mechanical, full rotation type from machine core control mode.It is divided into vertical, bridge-type, column type from form, it is vertical
It with the small volume of column type, is easily installed, but passage length is shorter, pedestrian detection functions of modules is restricted；Bridge-type swing turnstile
Channel is longer, and pedestrian detection functions of modules is stronger, and security is higher.
Flap turnstile is commonly referred to as scissors door in track transportation industry, and external many places are also referred to as fast open gate, block body
(the lock wing) is usually fan-shaped plan, perpendicular to ground, blocks and lets pass by flexible realization.The material for blocking body commonly uses organic glass
Glass, tempered glass, some is also using the special flexible material of metal plate outsourcing (injury for reducing shock pedestrian).
Machine core control mode only has full rotation type.Form also only has bridge-type, and pedestrian detection functions of modules is stronger.
(maximum difference is to block the characteristics of turnstile is also rotating gate, is developed by tripod turnstile, used for reference revolving door
Resistance body not instead of glass door, wire netting).According to the difference for blocking body height, it is divided into overall height turnstile and (is called overall height lock or complete
High rotating gate) and half high turnstile (being called half high rotating gate), overall height turnstile application is relatively more.
It blocks body (restrictor bar) and is generally made of " bifurcation " (being called three bar turnstiles) for being parallel to horizontal plane 3 or 4 metallic rods
Shape or " ten " shape (being called cross lock or cross turnstile).
It is divided into mechanical, auto-manual system from machine core control mode.It is divided into single channel, binary channels, three from number of channels
Channel, four-way etc., single channel and binary channels are relatively common.
In-line turnstile is one of gate of early stage, and blocking body (restrictor bar) is a metallic rod, generally using it is hollow it is closed not
Become rusty steel pipe, firm to be unlikely to deform, and is allowed to be parallel to horizontal plane and fall restrictor bar to be allowed to be retracted into cabinet in fact by rising restrictor bar
It now blocks and lets pass.
The restrictor bar movement of in-line turnstile is that 90 degree of liters are fallen in same vertical plane, easily hurts pedestrian, therefore be gradually eliminated,
The country is rarely employed, and European & American Market development is more early, and there are also some applications.
Machine core control mode only has full rotation type.Form also only has bridge-type, and requires have very strong pedestrian detection function
Can, it is otherwise easy to hurt pedestrian.
Translation turnstile is also translation door, overall height flap turnstile etc., the characteristics of being developed by flap turnstile, used for reference automatically-controlled door, blocks body
The area of (the lock wing) is larger, and it is larger to block height, perpendicular to ground, blocks and lets pass by flexible realization.The material of the lock wing is normal
With organic glass, tempered glass.
Machine core control mode only has full rotation type.Form also only has bridge-type, and pedestrian detection functions of modules is stronger.
Tripod turnstile is also three lever brakes, three rod locks, three rolling locks, roller lock, rolling lock.Body (restrictor bar) is blocked to be made of 3 metallic rods
Spatial triangle generally uses hollow closed stainless steel tube, firm to be unlikely to deform, and blocks and lets pass by rotating realization.
Tripod turnstile is the gate type occurred earliest, and develops so far the most mature perfect, but is had gradually subsequent
Swing turnstile and flap turnstile replace trend.
It is divided into mechanical, auto-manual system, full rotation type from machine core control mode.It is divided into vertical and bridge-type from form,
Vertical tripod turnstile small volume, is easier to install；The channel of bridge-type tripod turnstile is longer, and security is higher.
But there is also certain hidden danger for gate control system in the prior art, still leave to some people for wanting to steal a ride
Steal a ride space, for example, by above gate across, quickly through modes such as gates, to gate, corresponding operator causes one
Fixed economic loss, while there is also the safety problems of such as human body collision gate for entrance machine, in order to overcome above-mentioned deficiency, this
A kind of gate collision detection alarm platform has been built in invention, for detecting and preventing the collision behavior to gate.
Fig. 1 is the structural block diagram according to the gate collision detection alarm platform shown in embodiment of the present invention, described flat
Platform includes pressure sensing device, gate telescopic equipment, static storage device, light warning equipment, audible alarm equipment and DSP
Chip is handled, the pressure sensing device is arranged on the gate telescopic equipment, for the gate is flexible to be set to crashing into
Standby upper dynamics is detected to export impact force numerical value；
The gate telescopic equipment forbids personnel current, the gate telescopic equipment is being in when being in extended state
When contraction state, allow personnel current, the static storage device handles chip for storing default dynamics threshold value, the DSP
Respectively with the pressure sensing device, the static storage device, the light warning equipment and the audible alarm equipment
Connection, for issuing collision warning signal when the impact force numerical value received is more than or equal to the default dynamics threshold value.
Then, continue that the specific structure of gate collision detection alarm platform of the invention is further detailed.
In the gate collision detection alarm platform:
The pressure sensing device, the light warning equipment and the audible alarm equipment are at gate telescopic equipment
When extended state, it is triggered and enters working condition from dormant state.
In the gate collision detection alarm platform:
The pressure sensing device, the light warning equipment and the audible alarm equipment are at gate telescopic equipment
When contraction state, it is triggered and enters dormant state from working condition.
The gate collision detection alarm platform can also include:
Gun-type video camera is arranged above the gate telescopic equipment, for the gate telescopic equipment front channel
Scene capture is carried out, to obtain gate forward image；
Luminance sensor is arranged above the gate telescopic equipment, near the gun-type video camera, is used for real-time monitoring
And export the ambient brightness around the gun-type video camera；
Secondary light source equipment is connect with the luminance sensor, for being more than or equal to predetermined luminance in the ambient brightness
When threshold value, the floor light to the gun-type video camera is closed, is also used to when the ambient brightness is less than predetermined luminance threshold value,
Start the floor light to the gun-type video camera；
Wherein, the predetermined luminance threshold value is stored in the static storage device and the secondary light source equipment
After starting is to the floor light of the gun-type video camera, the brightness of the floor light light of sending is with the ambient brightness at anti-
Than.
The gate collision detection alarm platform can also include:
Barrier main body, setting are flat deployable structure and are highly greater than the gate at gate telescopic equipment rear
Telescopic equipment, default conditions are non-deployed condition；
Barrier releases equipment, connect with the barrier main body, for driving the screen when receiving release control signal
Hinder main body to be unfolded at gate telescopic equipment rear, is also used to drive the barrier master when receiving withdrawal control signal
Body is withdrawn at gate telescopic equipment rear to concede the gate telescopic equipment posterior approach；
Contrast enhances equipment, for receiving gate forward image, executes contrast enhancing to the gate forward image
Processing is to obtain enhancing image；
Wiener filtering equipment is connect, for receiving the enhancing image, and to the increasing with contrast enhancing equipment
Strong image executes Wiener filtering processing to obtain filtering image；
Area detecting equipment is connect with the filtering image, for being held based on default characteristics of human body to the filtering image
Pedestrian's body target detection determines the elemental area of each human body subgraph to obtain each human body subgraph, is based on each
Total elemental area of the elemental area of target and the filtering image determines the area accounting of each target；
Depth of field detection device is connect with the area detecting equipment, for determining each human body in the filtering image
Subgraph respectively corresponds the depth of field of each target, also determines each target based on the area accounting and the depth of field of each target
Entity area；
The first sieve apparatus of image, connect, for screening out entity area in the filtering image with the depth of field detection device
Less than or equal to each target of the first area threshold, to obtain primary dcreening operation image；
Image sieve apparatus again, connect with the depth of field detection device, for screening out entity area in the filtering image
Less than or equal to each target of second area threshold value, image is sieved again to obtain；
Target Acquisition equipment, sieve apparatus is connect again with sieve apparatus at the beginning of described image and described image respectively, and being used for will be described
Image is sieved again subtracts the primary dcreening operation image to obtain differentiation image, it will be corresponding to the remaining target in the differentiation image
Human body subgraph is exported as final human body subgraph；
Gesture recognition equipment is connect with the Target Acquisition equipment, for receiving the final human body subgraph, and by institute
It states final human body subgraph to be matched with jump posture human body benchmark image, successful match then issues that there are jump behavior letters
Number, it fails to match, then issues and jump behavior signal is not present；
Wherein, the second area threshold value is greater than first area threshold；
Wherein, the DSP processing chip is also released equipment with the gesture recognition equipment and the barrier and is connect, and is also used to
When receiving the collision warning signal and the behavior signal there are jump, equipment is released to the barrier and issues release control
Signal processed.
In the gate collision detection alarm platform:
The static storage device is also used to be stored in advance default characteristics of human body, the first area threshold, second area threshold value
And jump posture human body benchmark image.
In the gate collision detection alarm platform:
The contrast enhancing equipment, the Wiener filtering equipment, the area detecting equipment, depth of field detection are set
Standby, described image just distinguish again for sieve apparatus, described image by sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment
It is realized using different CPLD chips.
In the gate collision detection alarm platform:
The contrast enhancing equipment, the Wiener filtering equipment, the area detecting equipment, depth of field detection are set
Just sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment are collected standby, described image again for sieve apparatus, described image
At on same integrated circuit board.
The gate collision detection alarm platform can also include:
Mobile communication equipment is connect, for that will release control signal and collision warning signal with DSP processing chip
On the mobile terminal of administrative staff near being wirelessly sent to.
In addition, the Harvard structure that the inside of dsp chip is separated using program and data, has special hardware multiplier,
Pile line operation is widely used, special DSP instruction is provided, can be used to quickly realize various digital signal processing algorithms.
According to the requirement of Digital Signal Processing, dsp chip generally has following some main features: (1) referring at one
Enable an achievable multiplication and a sub-addition in the period.(2) program and data space is separated, can simultaneously access instruction sum number
According to.(3) there is quick RAM in piece, can usually be accessed simultaneously in two pieces by independent data/address bus.(4) there is low overhead
Or without overhead loop and the hardware supported jumped.(5) quickly interrupt processing and Hardware I/O are supported.(6) have within the monocycle
Multiple hardware address generators of operation.(7) multiple operations can be executed parallel.(8) it supports pile line operation, makes fetching, translates
The operations such as code and execution can be with Overlapped Execution.
Classified according to the data format of dsp chip work.Data are known as pinpointing with the dsp chip that fixed point format works
Dsp chip, TMS320C1X/C2X, TMS320C2XX/C5X, TMS320C54X/C62XX such as TI company are serial, AD company
ADSP21XX series, the DSP16/16A of AT & T Corp., the MC56000 etc. of Motolora company.What is worked in a floating-point format is known as
Float-point DSP, the ADSP21XXX such as the TMS320C3X/C4X/C8X of TI company, AD company is serial, AT & T Corp.
The MC96002 etc. of DSP32/32C, Motolora company.
Not exclusively, some dsp chips use customized floating-point to floating-point format used by different float-point DSPs
Format, such as TMS320C3X, and some dsp chips then use the standard floating-point format of IEEE, such as motorola inc
The ZR35325 etc. of the MB86232 and ZORAN company of MC96002, FUJITSU company.
Using gate collision detection alarm platform of the invention, it is easy to be collided by passer for gate in the prior art
Technical problem is right by introducing multiple parameters detection device and introducing multiple high-precisions, targeted image processing equipment
Abnormal conditions are analyzed and are judged, and accordingly take effective counter-measure, so as to avoid the collision behavior to gate, protect
The body monitoring for having protected passer, guarantees that gate is not damaged.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are 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 variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (3)
1. a kind of gate collision detection alarm platform, the platform includes pressure sensing device, gate telescopic equipment, static storage
Equipment, light warning equipment, audible alarm equipment and DSP handle chip, and the pressure sensing device is arranged in the gate
It is described for being detected to the dynamics crashed on the gate telescopic equipment to export impact force numerical value on telescopic equipment
Gate telescopic equipment forbids personnel current when being in extended state, and the gate telescopic equipment is permitted when being in contraction state
Perhaps personnel are current, the static storage device for storing default dynamics threshold value, the DSP processing chip respectively with the pressure
Sensing equipment, the static storage device, the light warning equipment and audible alarm equipment connection, for receiving
When the impact force numerical value arrived is more than or equal to the default dynamics threshold value, collision warning signal is issued；
The pressure sensing device, the light warning equipment and the audible alarm equipment are in gate telescopic equipment stretches
When exhibition state, it is triggered and enters working condition from dormant state；
The pressure sensing device, the light warning equipment and the audible alarm equipment are in gate telescopic equipment and receive
When contracting state, it is triggered and enters dormant state from working condition；
Gun-type video camera is arranged above the gate telescopic equipment, for carrying out to the gate telescopic equipment front channel
Scene capture, to obtain gate forward image；
Luminance sensor is arranged above the gate telescopic equipment, near the gun-type video camera, for real-time monitoring and defeated
Ambient brightness around the gun-type video camera out；
Secondary light source equipment is connect with the luminance sensor, for being more than or equal to predetermined luminance threshold value in the ambient brightness
When, the floor light to the gun-type video camera is closed, the starting when the ambient brightness is less than predetermined luminance threshold value is also used to
To the floor light of the gun-type video camera；
Wherein, the predetermined luminance threshold value is stored in the static storage device and the secondary light source equipment is opening
After moving to the floor light of the gun-type video camera, brightness and the ambient brightness of the floor light light of sending are inversely proportional；
It is characterized by further comprising:
Barrier main body, setting are flat deployable structure and highly stretch greater than the gate at gate telescopic equipment rear
Equipment, default conditions are non-deployed condition；
Barrier releases equipment, connect with the barrier main body, for driving the barrier master when receiving release control signal
Body is unfolded at gate telescopic equipment rear, is also used to drive the barrier main body to exist when receiving withdrawal control signal
Gate telescopic equipment rear is withdrawn to concede the gate telescopic equipment posterior approach；
Contrast enhances equipment, for receiving gate forward image, executes contrast enhancement processing to the gate forward image
Enhance image to obtain；
Wiener filtering equipment is connect with contrast enhancing equipment, is schemed for receiving the enhancing image, and to the enhancing
As executing Wiener filtering processing to obtain filtering image；
Area detecting equipment is connect with the filtering image, for being based on default characteristics of human body to the filtering image executor
Body target detection determines the elemental area of each human body subgraph to obtain each human body subgraph, is based on each target
Elemental area and total elemental area of the filtering image determine the area accounting of each target；
Depth of field detection device is connect with the area detecting equipment, for determining each human body subgraph in the filtering image
The depth of field as respectively corresponding each target, also determines the entity of each target based on the area accounting and the depth of field of each target
Area；
The first sieve apparatus of image, connect, for screening out entity area and being less than in the filtering image with the depth of field detection device
Equal to each target of the first area threshold, to obtain primary dcreening operation image；
Image sieve apparatus again, connect with the depth of field detection device, for screening out entity area and being less than in the filtering image
Equal to each target of second area threshold value, image is sieved again to obtain；
Target Acquisition equipment, sieve apparatus is connect again with sieve apparatus at the beginning of described image and described image respectively, for sieving described again
Image subtracts the primary dcreening operation image to obtain differentiation image, by human body corresponding to the remaining target in the differentiation image
Subgraph is exported as final human body subgraph；
Gesture recognition equipment is connect with the Target Acquisition equipment, for receiving the final human body subgraph, and by described in most
Whole human body subgraph is matched with jump posture human body benchmark image, and successful match is then issued there are jump behavior signal,
With failure, then issues and jump behavior signal is not present；
Wherein, the second area threshold value is greater than first area threshold；
Wherein, the DSP processing chip is also released equipment with the gesture recognition equipment and the barrier and is connect, and is also used to connecing
When receiving the collision warning signal and the behavior signal there are jump, releases equipment to the barrier and issue to release to control and believe
Number；
The static storage device be also used to be stored in advance default characteristics of human body, the first area threshold, second area threshold value and
Jump posture human body benchmark image.
2. gate collision detection alarm platform as described in claim 1, it is characterised in that:
The contrast enhances equipment, the Wiener filtering equipment, the area detecting equipment, the depth of field detection device, institute
Stating image, just sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment are respectively adopted again for sieve apparatus, described image
Different CPLD chip is realized.
3. gate collision detection alarm platform as claimed in claim 2, it is characterised in that:
The contrast enhances equipment, the Wiener filtering equipment, the area detecting equipment, the depth of field detection device, institute
Stating image, just sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment are integrated in again for sieve apparatus, described image
On same integrated circuit board.
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| CN109035457A (en) * | 2018-07-10 | 2018-12-18 | 王刚 | Automatic automobile passage charge platform |
| CN109253796A (en) * | 2018-11-28 | 2019-01-22 | 深圳前海大众盈国际商贸有限公司 | A kind of collision monitor |
| CN111724516A (en) * | 2020-06-17 | 2020-09-29 | 深圳南亿科技股份有限公司 | Security protection type testimony of a witness identification system |
| CN112071041B (en) * | 2020-08-31 | 2022-08-26 | 广东小天才科技有限公司 | Security detection method, wearable device and computer-readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6563283B2 (en) * | 2015-09-10 | 2019-08-21 | 株式会社東芝 | Monitoring system |
| CN106200539B (en) * | 2016-08-31 | 2019-01-08 | 浙江网新电气技术有限公司 | A kind of current logic control system of ticket check gate and method |
| CN206162737U (en) * | 2016-10-12 | 2017-05-10 | 深圳市因尚网络科技股份有限公司 | System is met and sent off to intelligence |
| CN206097259U (en) * | 2016-10-12 | 2017-04-12 | 天津市美络科技发展有限公司 | Channel gate |
| CN106480838B (en) * | 2016-12-01 | 2019-01-22 | 青岛博宁福田智能交通科技发展有限公司 | A kind of subway gate device and its pressure detecting system |
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