CN107220970A - A kind of method of collision free - Google Patents
A kind of method of collision free Download PDFInfo
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- CN107220970A CN107220970A CN201710376751.7A CN201710376751A CN107220970A CN 107220970 A CN107220970 A CN 107220970A CN 201710376751 A CN201710376751 A CN 201710376751A CN 107220970 A CN107220970 A CN 107220970A
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/50—Depth or shape recovery
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/103—Static body considered as a whole, e.g. static pedestrian or occupant recognition
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30232—Surveillance
Abstract
The present invention relates to a kind of method of collision free, this method includes：There is provided and use gate collision detection alarm platform, the platform includes pressure sensing device, gate telescopic equipment, static storage device, light warning equipment, audible alarm equipment and DSP process chips, the pressure sensing device is arranged on the gate telescopic equipment, for being detected to crashing into the dynamics on the gate telescopic equipment to export impact numerical value, the gate telescopic equipment is when in extended configuration, personnel are forbidden to pass through, the gate telescopic equipment is when in contraction state, permission personnel pass through, the static storage device is used to store default dynamics threshold value, the DSP process chips are used for when the impact numerical value received is more than or equal to the default dynamics threshold value, send collision warning signal.
Description
Technical field
The present invention relates to field of image detection, more particularly to a kind of method of collision free.
Background technology
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 realized once only by a people,
At various charges, the access road of gate inhibition's occasion.
During the Chinese gate of application earliest is the eighties, in metro project.Gate is used as " AFC system
The capital equipment of " automatic ticket checker " in AFC ", is also that current compatriots understand gate earliest and most widely.After the nineties
Phase, gate just appears in normal domestic and commercial applications, including office building, market supermarket, scenic spot or even high-end cell etc. gradually.
It is pointed out that gate and ticket checking machine are not identical concepts.Ticket checking machine is including 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 scope of gate is wider, as long as with
Flow out into custodian and the equipment of the people that once only passes through can be met and can be seen as the gate of broad sense.
Current gate control system is perfect not enough, in certain extreme cases, and people still are able in the feelings do not swiped the card
Smoothly passed through under condition, this violates the wish of gate design person, meanwhile, also there are some potential safety hazards in existing gateway machine,
Need to redesign to be overcome.
The content of the invention
In order to solve the above problems, the invention provides a kind of method of collision free, the people near gate can be obtained
Body subgraph, and human body subgraph is matched with jump posture human body benchmark image, the match is successful, then send in the presence of jump
Behavior signal, it fails to match, then send in the absence of jump behavior signal, in Receiving collision alarm signal and there is jump behavior
During signal, send release control signal to realize the function of anticollision to barrier release equipment.
According to an aspect of the present invention there is provided a kind of method of collision free, this method includes：
1) a kind of gate collision detection alarm platform is provided, the platform include pressure sensing device, gate telescopic equipment,
Static storage device, light warning equipment, audible alarm equipment and DSP process chips, the pressure sensing device are arranged on
On the gate telescopic equipment, for being detected to crashing into the dynamics on the gate telescopic equipment to export impact number
Value, the gate telescopic equipment forbids personnel to pass through, the gate telescopic equipment is in contraction-like when in extended configuration
During state, it is allowed to which personnel pass through, the static storage device is used to store default dynamics threshold value, the DSP process chips respectively with
The pressure sensing device, the static storage device, the light warning equipment and audible alarm equipment connection, are used
In when the impact numerical value received is more than or equal to the default dynamics threshold value, collision warning signal is sent；
2) platform is used.
More specifically, in the gate collision detection alarm platform：
The pressure sensor apparatus, the light warning equipment and the audible alarm equipment are in gate telescopic equipment
During in extended configuration, it is triggered and enters working condition from resting state.
More specifically, in the gate collision detection alarm platform：
The pressure sensor apparatus, the light warning equipment and the audible alarm equipment are in gate telescopic equipment
During in contraction state, it is triggered and enters resting state from working condition.
More specifically, in the gate collision detection alarm platform, in addition to：
Gun-type video camera, is arranged on 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 on above the gate telescopic equipment, near the gun-type video camera, for monitoring in real time
And export the ambient brightness around the gun-type video camera；
Secondary light source equipment, is connected with the luminance sensor, for being more than or equal to predetermined luminance in the ambient brightness
During threshold value, the floor light to the gun-type video camera is closed, is additionally operable 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 floor light to the gun-type video camera is started, the brightness of the floor light light sent and the ambient brightness are into anti-
Than.
More specifically, in the gate collision detection alarm platform, in addition to：
Barrier main body, is arranged on the gate telescopic equipment rear, is flat deployable structure and is highly more than the gate
Telescopic equipment, default conditions are non-deployed condition；
Barrier releases equipment, is connected with the barrier main body, for when receiving release control signal, driving the screen
Barrier main body is deployed at the gate telescopic equipment rear, is additionally operable to, when receiving withdrawal control signal, drive the barrier master
Body withdraws to concede the gate telescopic equipment posterior approach at the gate telescopic equipment rear；
Contrast strengthens equipment, for receiving gate forward image, and contrast enhancing is performed to the gate forward image
Handle to obtain enhancing image；
Wiener filtering equipment, is connected with contrast enhancing equipment, increases for receiving the enhancing image, and to described
Strong image performs Wiener filtering processing to obtain filtering image；
Area detecting equipment, is connected 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, based on each to obtain each human body subgraph
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 connected with the area detecting equipment, for determining in the filtering image, each human body
Subgraph corresponds to the depth of field of each target respectively, and the area accounting and the depth of field also based on each target determine each target
Entity area；
The first sieve apparatus of image, is connected with the depth of field detection device, in the filtering image, screening out entity area
Less than or equal to each target of the first area threshold, to obtain primary dcreening operation image；
Image sieve apparatus again, is connected with the depth of field detection device, in the filtering image, screening out entity area
Less than or equal to each target of second area threshold value, image is sieved again to obtain；
Target Acquisition equipment, sieve apparatus is connected again with sieve apparatus at the beginning of described image and described image respectively, for by described in
Image is sieved again and subtracts the primary dcreening operation image to obtain differentiation image, by corresponding to the remaining target in the differentiation image
Human body subgraph is exported as final human body subgraph；
Gesture recognition equipment, is connected with the Target Acquisition equipment, for receiving the final human body subgraph, and by institute
State final human body subgraph to be matched with jump posture human body benchmark image, the match is successful, then send and there is jump behavior letter
Number, it fails to match, then send in the absence of jump behavior signal；
Wherein, the second area threshold value is more than first area threshold；
Wherein, the DSP process chips are also released equipment with the gesture recognition equipment and the barrier and are connected, and are additionally operable to
When receiving the collision warning signal and the presence jump behavior signal, release equipment to the barrier and send release control
Signal processed.
More specifically, in the gate collision detection alarm platform：
The static storage device is additionally operable to prestore 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
Sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment are distinguished again for standby, described image first sieve apparatus, described image
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
Sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment are collected again for standby, described image first sieve apparatus, described image
Into on same surface-mounted integrated circuit.
More specifically, in the gate collision detection alarm platform, in addition to：
Mobile communication equipment, is connected with the DSP process chips, for that will release control signal and collision warning signal
On the mobile terminal of administrative staff near being wirelessly sent to.
Brief description of the drawings
Embodiment of the present invention is described below with reference to accompanying drawing, wherein：
Fig. 1 is the block diagram of the gate collision detection alarm platform according to embodiment of the present invention.
Reference：1 pressure sensing device；2 gate telescopic equipments；3 static storage devices；4 light warning equipment；5 sound
Sound warning device；6DSP process chips
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, is commonly referred to as patting door, its form for blocking body (lock pendulum) is with certain area in track transportation industry
Plane, perpendicular to ground, realized by rotary oscillation and block and let pass.Block the material of body often with stainless steel, lucite,
Safety glass, what is had also uses the special flexible material of metallic plate outsourcing (reducing the injury for hitting pedestrian).
It is divided into mechanical, full rotation type from movement control mode.It is divided into vertical, bridge-type, column type from form, it is vertical
With the small volume of column type, it is easy to install, but passage length is shorter, and pedestrian detection functions of modules is restricted；Bridge-type swing turnstile
Passage is longer, and pedestrian detection functions of modules is stronger, and security is higher.
Flap turnstile, scissors door is commonly referred to as in track transportation industry, and external many places are also referred to as fast open gate, and it blocks 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, safety glass, what is had also uses the special flexible material of metallic plate outsourcing (reducing the injury for hitting pedestrian).
Movement control mode only has full rotation type.Form also only has bridge-type, and pedestrian detection functions of modules is stronger.
Turnstile, is also rotating gate, is developed by tripod turnstile, and (maximum difference is to block the characteristics of having used for reference revolving door
Resistance body is not glass door, but 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 is using relatively more.
Block general " bifurcation " (being called three bar turnstiles) being made up of 3 or 4 metallic rods parallel to horizontal plane of body (restrictor bar)
Shape or " ten " shape (being called cross lock or cross turnstile).
It is divided into mechanical, auto-manual system from movement control mode.It is divided into single channel, binary channels, three from number of channels
Passage, four-way etc., single channel and binary channels are relatively common.
In-line turnstile is one of gate of early stage, and it is a metallic rod to block body (restrictor bar), typically using hollow closing not
Become rusty steel pipe, firm to be unlikely to deform, and is allowed to be allowed to be retracted into casing in fact with restrictor bar is fallen parallel to horizontal plane by rising restrictor bar
Now block and let pass.
The restrictor bar action of in-line turnstile is that 90 degree of liters fall in same vertical plane, easily hurts pedestrian, therefore is gradually eliminated,
The country is rarely employed, and European ＆ American Market development is more early, also has some applications.
Movement control mode only has full rotation type.Form also only has bridge-type, and requires possess very strong pedestrian detection work(
Can, otherwise it is easy to hurt pedestrian.
Translation turnstile, is also translation door, overall height flap turnstile etc., is developed by flap turnstile, the characteristics of having used for reference automatically-controlled door blocks body
The area of (the lock wing) is larger, blocks highly larger, perpendicular to ground, blocks and lets pass by flexible realization.The material of the lock wing is normal
With lucite, safety glass.
Movement 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 up of 3 metallic rods
Spatial triangle, it is firm to be unlikely to deform typically using the stainless steel tube of hollow closing, block and let pass by rotating realization.
Tripod turnstile is the gate type occurred earliest, is also to develop so far the most ripe perfect, but has gradually follow-up
Swing turnstile and flap turnstile substitution trend.
It is divided into mechanical, auto-manual system, full rotation type from movement control mode.It is divided into vertical and bridge-type from form,
Vertical tripod turnstile small volume, is easier to install；The passage of bridge-type tripod turnstile is longer, and security is higher.
But, in the prior art also there is certain hidden danger in gate control system, still want that the people stolen a ride leaves to some
Steal a ride space, such as by above gate across, quickly through gate mode, to gate, corresponding operator causes one
Fixed economic loss, while also there is the safety problem that such as human body collides gate in gateway machine, in order to overcome above-mentioned deficiency, this
A kind of method of collision free has been built in invention, for detecting and preventing the collision behavior to gate.
The present invention provides a kind of method of collision free, and this method includes：1) a kind of gate collision detection alarm is provided flat
Platform；2) platform is used.Fig. 1 is the structure square frame of the gate collision detection alarm platform according to embodiment of the present invention
Figure, the platform includes pressure sensing device, gate telescopic equipment, static storage device, light warning equipment, audible alarm and set
Standby and DSP process chips, the pressure sensing device is arranged on the gate telescopic equipment, for crashing into the lock
Dynamics on machine telescopic equipment is detected to export impact numerical value；
The gate telescopic equipment when in extended configuration, forbid personnel pass through, the gate telescopic equipment in
During contraction state, it is allowed to which personnel pass through, the static storage device is used to store default dynamics threshold value, the DSP process chips
Respectively with the pressure sensing device, the static storage device, the light warning equipment and the audible alarm equipment
Connection, for when the impact numerical value received is more than or equal to the default dynamics threshold value, sending collision warning signal.
Then, continue that the concrete structure of the gate collision detection alarm platform of the present invention is further detailed.
In the gate collision detection alarm platform：
The pressure sensor apparatus, the light warning equipment and the audible alarm equipment are in gate telescopic equipment
During in extended configuration, it is triggered and enters working condition from resting state.
In the gate collision detection alarm platform：
The pressure sensor apparatus, the light warning equipment and the audible alarm equipment are in gate telescopic equipment
During in contraction state, it is triggered and enters resting state from working condition.
The gate collision detection alarm platform can also include：
Gun-type video camera, is arranged on 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 on above the gate telescopic equipment, near the gun-type video camera, for monitoring in real time
And export the ambient brightness around the gun-type video camera；
Secondary light source equipment, is connected with the luminance sensor, for being more than or equal to predetermined luminance in the ambient brightness
During threshold value, the floor light to the gun-type video camera is closed, is additionally operable 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 floor light to the gun-type video camera is started, the brightness of the floor light light sent and the ambient brightness are into anti-
Than.
The gate collision detection alarm platform can also include：
Barrier main body, is arranged on the gate telescopic equipment rear, is flat deployable structure and is highly more than the gate
Telescopic equipment, default conditions are non-deployed condition；
Barrier releases equipment, is connected with the barrier main body, for when receiving release control signal, driving the screen
Barrier main body is deployed at the gate telescopic equipment rear, is additionally operable to, when receiving withdrawal control signal, drive the barrier master
Body withdraws to concede the gate telescopic equipment posterior approach at the gate telescopic equipment rear；
Contrast strengthens equipment, for receiving gate forward image, and contrast enhancing is performed to the gate forward image
Handle to obtain enhancing image；
Wiener filtering equipment, is connected with contrast enhancing equipment, increases for receiving the enhancing image, and to described
Strong image performs Wiener filtering processing to obtain filtering image；
Area detecting equipment, is connected 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, based on each to obtain each human body subgraph
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 connected with the area detecting equipment, for determining in the filtering image, each human body
Subgraph corresponds to the depth of field of each target respectively, and the area accounting and the depth of field also based on each target determine each target
Entity area；
The first sieve apparatus of image, is connected with the depth of field detection device, in the filtering image, screening out entity area
Less than or equal to each target of the first area threshold, to obtain primary dcreening operation image；
Image sieve apparatus again, is connected with the depth of field detection device, in the filtering image, screening out entity area
Less than or equal to each target of second area threshold value, image is sieved again to obtain；
Target Acquisition equipment, sieve apparatus is connected again with sieve apparatus at the beginning of described image and described image respectively, for by described in
Image is sieved again and subtracts the primary dcreening operation image to obtain differentiation image, by corresponding to the remaining target in the differentiation image
Human body subgraph is exported as final human body subgraph；
Gesture recognition equipment, is connected with the Target Acquisition equipment, for receiving the final human body subgraph, and by institute
State final human body subgraph to be matched with jump posture human body benchmark image, the match is successful, then send and there is jump behavior letter
Number, it fails to match, then send in the absence of jump behavior signal；
Wherein, the second area threshold value is more than first area threshold；
Wherein, the DSP process chips are also released equipment with the gesture recognition equipment and the barrier and are connected, and are additionally operable to
When receiving the collision warning signal and the presence jump behavior signal, release equipment to the barrier and send release control
Signal processed.
In the gate collision detection alarm platform：
The static storage device is additionally operable to prestore 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
Sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment are distinguished again for standby, described image first sieve apparatus, described image
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
Sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment are collected again for standby, described image first sieve apparatus, described image
Into on same surface-mounted integrated circuit.
The gate collision detection alarm platform can also include：
Mobile communication equipment, is connected with the DSP process chips, for that will release control signal and collision warning signal
On the mobile terminal of administrative staff near being wirelessly sent to.
In addition, the inside of dsp chip uses program and the separated Harvard structure of data, with special hardware multiplier,
Widely used pile line operation, can be for quickly realizing various digital signal processing algorithms there is provided special DSP instructions.
According to the requirement of Digital Signal Processing, dsp chip typically has some following main features：(1) in a finger
A multiplication and a sub-addition can be completed by making in the cycle.(2) program and data space is separated, can be while access instruction sum
According to.(3) there is quick RAM in piece, generally can simultaneously be accessed in two pieces by independent data/address bus.(4) there is low overhead
Or without overhead loop and the hardware supported redirected.(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 performed parallel.(8) pile line operation is supported, makes fetching, translate
The operation such as code and execution can be with Overlapped Execution.
The data format that is worked according to dsp chip is classified.The dsp chip that data are worked with fixed point format is referred to as fixed point
TMS320C1X/C2X, TMS320C2XX/C5X, TMS320C54X/C62XX series of dsp chip, such as TI companies, AD companies
ADSP21XX series, the DSP16/16A of AT ＆ T Corp., MC56000 of Motolora companies etc..What is worked in a floating-point format is referred to as
The ADSP21XXX series of the TMS320C3X/C4X/C8X of float-point DSP, such as TI companies, AD company, AT ＆ T Corp.
MC96002 of DSP32/32C, Motolora company etc..
Not exclusively, some dsp chips use customized floating-point to the floating-point format that different float-point DSPs are used
Form, such as TMS320C3X, and some dsp chips then use IEEE standard floating-point format, such as motorola inc
ZR35325 of MB86232 and ZORAN companies of MC96002, FUJITSU company etc..
Using the gate collision detection alarm platform of the present invention, easily collided for gate in the prior art by passer
Technical problem is right by introducing multiple parameters detection device and introducing multiple high accuracy, targetedly image processing equipments
Abnormal conditions are analyzed and judged, and accordingly take effective counter-measure, so as to avoid the collision behavior to gate, are protected
The body monitoring of passer is protected, it is ensured that gate is without damage.
Although it is understood that the present invention is disclosed as above with preferred embodiment, but above-described embodiment and being 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 variations and modification 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 (9)
1. a kind of method of collision free, this method includes：
1) a kind of gate collision detection alarm platform is provided, the platform includes pressure sensing device, gate telescopic equipment, static state
Storage device, light warning equipment, audible alarm equipment and DSP process chips, the pressure sensing device are arranged on described
On gate telescopic equipment, for being detected to crashing into the dynamics on the gate telescopic equipment to export impact numerical value,
The gate telescopic equipment forbids personnel to pass through, the gate telescopic equipment is in contraction state when in extended configuration
When, it is allowed to personnel pass through, and the static storage device is used to store default dynamics threshold value, the DSP process chips respectively with institute
Pressure sensing device, the static storage device, the light warning equipment and audible alarm equipment connection are stated, is used for
When the impact numerical value received is more than or equal to the default dynamics threshold value, collision warning signal is sent；
2) platform is used.
2. the method as described in claim 1, it is characterised in that：
The pressure sensor apparatus, the light warning equipment and the audible alarm equipment are in gate telescopic equipment
During extended configuration, it is triggered and enters working condition from resting state.
3. method as claimed in claim 2, it is characterised in that：
The pressure sensor apparatus, the light warning equipment and the audible alarm equipment are in gate telescopic equipment
During contraction state, it is triggered and enters resting state from working condition.
4. method as claimed in claim 3, it is characterised in that also include：
Gun-type video camera, is arranged on above the gate telescopic equipment, for being carried out to the gate telescopic equipment front channel
Scene capture, to obtain gate forward image；
Luminance sensor, is arranged on above the gate telescopic equipment, near the gun-type video camera, is monitored and defeated for real-time
The ambient brightness gone out around the gun-type video camera；
Secondary light source equipment, is connected 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, is additionally operable to, when the ambient brightness is less than predetermined luminance threshold value, start
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 being opened
After moving to the floor light of the gun-type video camera, brightness and the ambient brightness of the floor light light sent are inversely proportional.
5. method as claimed in claim 4, it is characterised in that also include：
Barrier main body, is arranged on the gate telescopic equipment rear, is flat deployable structure and highly flexible more than the gate
Equipment, default conditions are non-deployed condition；
Barrier releases equipment, is connected with the barrier main body, for when receiving release control signal, driving the barrier master
Body deploys at the gate telescopic equipment rear, is additionally operable to, when receiving withdrawal control signal, drive the barrier main body to exist
The gate telescopic equipment rear is withdrawn to concede the gate telescopic equipment posterior approach；
Contrast strengthens equipment, for receiving gate forward image, and contrast enhancement processing is performed to the gate forward image
To obtain enhancing image；
Wiener filtering equipment, is connected with contrast enhancing equipment, schemes for receiving the enhancing image, and to the enhancing
Handled as performing Wiener filtering to obtain filtering image；
Area detecting equipment, is connected with the filtering image, for 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, 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 connected with the area detecting equipment, for determining in the filtering image, each human body subgraph
The depth of field as corresponding to each target respectively, area accounting and the depth of field also based on each target determine the entity of each target
Area；
The first sieve apparatus of image, is connected with the depth of field detection device, in the filtering image, screening out entity area and being less than
Equal to each target of the first area threshold, to obtain primary dcreening operation image；
Image sieve apparatus again, is connected with the depth of field detection device, in the filtering image, screening out entity area and being less than
Equal to each target of second area threshold value, image is sieved again to obtain；
Target Acquisition equipment, sieve apparatus is connected again with sieve apparatus at the beginning of described image and described image respectively, for being sieved described again
Image subtracts the primary dcreening operation image to obtain differentiation image, by the human body corresponding to the remaining target in the differentiation image
Subgraph is exported as final human body subgraph；
Gesture recognition equipment, is connected 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 the match is successful, then send and there is jump behavior signal,
With failure, then send in the absence of jump behavior signal；
Wherein, the second area threshold value is more than first area threshold；
Wherein, the DSP process chips are also released equipment with the gesture recognition equipment and the barrier and are connected, and are additionally operable to connecing
When receiving the collision warning signal and the presence jump behavior signal, release equipment to the barrier and send release control letter
Number.
6. method as claimed in claim 5, it is characterised in that：
The static storage device be additionally operable to prestore default characteristics of human body, the first area threshold, second area threshold value and
Jump posture human body benchmark image.
7. method as claimed in claim 6, it is characterised in that：
The contrast enhancing equipment, the Wiener filtering equipment, the area detecting equipment, the depth of field detection device, institute
Stating image first sieve apparatus, described image, sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment are respectively adopted again
Different CPLD chips are realized.
8. method as claimed in claim 7, it is characterised in that：
The contrast enhancing equipment, the Wiener filtering equipment, the area detecting equipment, the depth of field detection device, institute
Stating image first sieve apparatus, described image, sieve apparatus, the Target Acquisition equipment and the gesture recognition equipment are integrated in again
On same surface-mounted integrated circuit.
9. method as claimed in claim 7, it is characterised in that also include：
Mobile communication equipment, is connected with the DSP process chips, for release control signal and collision warning signal is wireless
On the mobile terminal of administrative staff near being sent to.
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| CN201710376751.7A CN107220970B (en) | 2017-05-25 | 2017-05-25 | A kind of method of collision free |
| CN201711087992.6A CN107833215B (en) | 2017-05-25 | 2017-05-25 | Gate |
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Also Published As
| Publication number | Publication date |
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| CN107220970B (en) | 2018-03-13 |
| CN107833215A (en) | 2018-03-23 |
| CN107833215B (en) | 2019-06-25 |
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Address after: 361008, Xiamen Software Park, Fujian Province, three, 0006, Yi Cheng street, unit 366 Patentee after: ROPT TECHNOLOGY GROUP Co.,Ltd. Address before: 361008, Xiamen Software Park, Fujian Province, three, 0006, Yi Cheng street, unit 366 Patentee before: Roput (Xiamen) Technology Group Co.,Ltd. |