CN106331641A - Image processing platform of intelligent extraction of reference frame - Google Patents
Image processing platform of intelligent extraction of reference frame Download PDFInfo
- Publication number
- CN106331641A CN106331641A CN201610793851.5A CN201610793851A CN106331641A CN 106331641 A CN106331641 A CN 106331641A CN 201610793851 A CN201610793851 A CN 201610793851A CN 106331641 A CN106331641 A CN 106331641A
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- China
- Prior art keywords
- image
- equipment
- reference frame
- air bag
- housing
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Classifications
-
- 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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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/56—Control of actuators
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
-
- 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
Abstract
The invention relates to an image processing platform of intelligent extraction of a reference frame. The image processing platform comprises a spherical shooting device, a reference frame extraction device, a motion detection device, a stabilization image output device, a distortion correction device, and a suspected person detection device, the spherical shooting device is embedded in a glass device in a vehicle body, the shooting direction is towards the outside of a vehicle, the spherical shooting device is used for obtaining high-definition videos, and the spherical shooting device, the reference frame extraction device, the motion detection device, the stabilization image output device, the distortion correction device and the suspected person detection device are connected in sequence. According to the image processing platform, accurate reference frames can be extracted, and the processing efficiency of images is improved.
Description
Technical field
The present invention relates to image processing field, particularly relate to the image processing platform that a kind of reference frame intellectuality is extracted.
Background technology
Minibus: be called for short " minibus ".The common bus of volume ratio of general minibus is little, handling capacity of passengers typically 8 to
Between 20 people.It is relatively low or need to service many, the route in narrowly district, road remote, curved that they majorities walk in volume of passenger traffic.Some route is also
The order of classes or grades at school that the offer of little Palestine and Israel is frequent can be used.In operation, the minibus of most area is not distinguished with common bus, example
Such as Macao, owing to the narrow car in Macao road is many, the curved position of wrong path is many and narrow simultaneously, and therefore to account for one in Macao's bus development history important for minibus
Seat.Contrary in such as Hong Kong, some city, the operation system of public minibus is independently of outside common bus.In order to " minibus "
Difference, general bus also has and is referred to as " big bus ".
Fast public traffic system (Bus Rapid Transit is called for short BRT) is a kind of between rail rapid transit (Rapid
Rail Transit, is called for short RRT) with regular public traffic (Normal Bus Transit, be called for short NBT) between novel public passenger transport
System, is a kind of large conveying quantity mode of transportation, is generally also referred to as " ground subway system " by people.It is to utilize modernization public transport
Technology coordinates intelligent transportation and operation management, opens up busway and builds Novel bus station, it is achieved track traffic is transported
Battalion's service, reaches the urban transit system of a kind of uniqueness of light rail excellent service standard.
Currently, the generating capacity of bus security incident constantly rises, and enters bus Accident-causing by building accident tree
Row is analyzed, and finds to exist potential safety hazard, to deal with improperly, escape unsuccessfully, rescue be not in time etc. bus major casualties
Main cause.
Accordingly, it would be desirable to a kind of new door-window opens control program, built-in lock or the plug-in switch to existing safety door
Mechanism carries out intellectualized reconstruction, and existing security window carries out structure updating, also add multiple vehicle equipment simultaneously and enters
A driving abnormal state detection, increases multiple emergency reaction equipment and carries out the fast reaction of accident.
Summary of the invention
In order to solve the problems referred to above, the invention provides the image processing platform that a kind of reference frame intellectuality is extracted, to peace
Full window can quickly be opened when carrying out structure updating to ensure and danger occurs, and introduces the outer suspect of car and detects equipment to car external environment
Detect, determine whether built-in lock device or the bolt device of self-closing safety door based on testing result, protect occupant
Personal safety, the most also optimize safety protective system for vehicle, with find vehicle abnormality state time automatically open up safety door
Built-in lock device or bolt device, thus be prevented effectively from major casualties occur.
According to an aspect of the present invention, it is provided that the image processing platform that a kind of reference frame intellectuality is extracted, described platform
Including spherical shooting equipment, reference frame extraction equipment, motion detection device, stablize image output device, distortion correction equipment and
Suspicious figure detects equipment, and spherical shooting equipment is embedded in the glass devices in car body, and shooting direction, towards outside car, is used for obtaining
HD video, spherical shooting equipment, reference frame extraction equipment, motion detection device, stablize image output device, distortion correction
Equipment and suspicious figure detect equipment and are linked in sequence.
More specifically, in the image processing platform that described reference frame intellectuality is extracted, including: spherical shooting equipment, interior
Being embedded in the glass devices in car body, shooting direction is towards outside car, including image acquisition device, support and The Cloud Terrace, image acquisition
Device is arranged on The Cloud Terrace to carry out packaged type shooting on The Cloud Terrace, it is thus achieved that HD video, and the resolution of HD video is
2840 × 2160, The Cloud Terrace is fixed on support；Reference frame extraction equipment, including motor pattern sampler and reference frame determiner
Part, motor pattern sampler is connected with image acquisition device, for carrying out packaged type on The Cloud Terrace when image acquisition device
The amount of movement of image acquisition device is added up during shooting, when the amount of movement of image acquisition device is more than the first preset displacement threshold value,
Send the first motion mode signal, when the amount of movement of image acquisition device is less than or equal to the first preset displacement threshold value and more than second
During preset displacement threshold value, send the second motion mode signal, when the amount of movement of image acquisition device presets position less than or equal to second
When moving threshold value, send the 3rd motion mode signal；Reference frame determine device respectively with motor pattern sampler and spherical shooting
Equipment connects, and for when receiving three motion mode signal, selects to fix a two field picture as all from HD video
The reference picture of successive image, when receiving the second motion mode signal, selects the previous of present image from HD video
Two field picture is as the reference picture of present image；When receiving three motion mode signal, by present image in HD video
All images before carry out mean filter process, after mean filter is processed the image that obtains as present image with reference to figure
Picture；Motion detection device, determines that with reference frame device is connected to obtain the reference picture of present image, by reference picture with current
Image is all divided into the subimage block of 32 × 32, calculates the pixel value mean square deviation of each subimage block in reference picture, chooses picture
Five subimage blocks of element value mean square deviation minimum are as with reference to subimage block, for each with reference to subimage block, from current figure
Search the subimage block that mates with this reference subimage block in Xiang as target subimage block, based on this reference subimage block and
Corresponding target subimage block calculates motion vector therebetween the motion vector as this reference subimage block, based on five
The individual motion vector with reference to subimage block determines average motion vector；Stablize image output device, be connected with motion detection device,
For present image being carried out steady as processing to obtain current steady image based on average motion vector；Based on average motion vector
Present image carries out steady picture process include to obtain current steady image: reversely moved along average motion vector by present image
The pixel of equivalent is to obtain current steady image；Distortion correction equipment, respectively with spherical shooting equipment and stablize image output set
Standby connect, for detecting the image acquisition device optical axis angle with horizontal direction using as correcting angle, based on correcting angle pair
Current steady image carries out trapezoidal distortion to be corrected to obtain current remedial frames；Suspicious figure detects equipment, sets with distortion correction
Standby connection, for carrying out histogram equalization process, contrast enhancement processing, self adaptation recursive filtering successively to current remedial frames
Process and gray processing process to obtain gray level image, carry out gray level image with default suspicious figure's benchmark image mating with
Determine the suspicious figure's quantity in gray level image and export as suspicious figure's number；Pointed projection equipment, is arranged on housing
In internal circular hole, do not contact with air bag during normality, towards substitute under the control of Mechanical Driven equipment time abnormal
Capsule one side shifting, is used for puncturing air bag, it is achieved to the venting decompression of air bag so that inside casing separates with housing；Machinery
Driving equipment, is arranged on inside housing, is connected with pointed projection equipment, also processes chip with DSP and is connected, for receiving car
During abnormal signal, drive the movement of pointed projection equipment；Security window framework, including safety glass block, housing, inside casing, safety
Air bag, fixed block set, sliding shoe set and release button, outside air bag, fixed block set, sliding shoe set are all disposed within
Between frame and inside casing, fixed block set includes 4 fixed blocks, is separately positioned on four angles of security window framework, and each is solid
Determining the L-shaped structure of block, be used for fixing air bag, and limit the movement locus of both sides sliding shoe, sliding shoe set includes 4 cunnings
Motion block, is separately positioned on four limits of security window framework, the elongated structure of each sliding shoe, at air bag
Under pressure effect, inside casing is compressed, in air bag is installed in housing and outside the rectangle that sliding shoe collection is combined into, be used for carrying
For compressing the pressure needed for inside casing, housing is connected with the fixing of car body for realization, and safety glass block is positioned at inside casing, and inside casing is used
In fixing glass, release button is arranged on the car body side of housing, is connected with air bag, for depressing in fact pressing of external force
Now to the venting decompression of air bag so that inside casing separates with housing；DSP processes chip, sets with suspicious figure's detection respectively
Standby, flame detection equipment and fault self-checking equipment connect, and are used for receiving suspicious figure's number, and are more than in suspicious figure's number
When suspicious figure's number threshold value, send closing control signal, when receiving flame alarm signal or self-inspection alarm signal, send out
Go out to open control signal, be simultaneously emitted by vehicle abnormality signal；Flame detection equipment, is positioned at roof location, for environment inside car
Carry out image acquisition to obtain image in car, based on preset reference flame pattern, image in car is carried out fire defector with in car
Split at image and export Radix Aconiti Sungpanensis image, while output Radix Aconiti Sungpanensis image, exporting flame alarm signal, when without Radix Aconiti Sungpanensis
During image output, output is without flare up fire；Fault self-checking equipment, for carrying out self-inspection to each circuit arrangement in car, when finding electricity
When pipeline equipment exists fault, send self-inspection alarm signal and export the title of interlock circuit equipment, when non-discovery circuit equipment is deposited
When fault, send self-inspection without error signal；Latch equipment, is arranged on the inner side of safety door, for controlling the control of equipment at latch
It is inserted or pulled out under system；Latch controls equipment, is arranged on the inner side of safety door, is connected with latch equipment, also processes chip with DSP
Connect, for receiving when opening control signal of outside input, control latch equipment and automatically extract out, be additionally operable to receiving
During the closing control signal that outside inputs, control latch equipment and be automatically inserted into；Wherein, sliding shoe is rendered as with the contact surface of inside casing
The inclined-plane of one predetermined angle, the thickness of thickness based on housing and inside casing determines that the value of predetermined angle, the inner side of housing set
It is equipped with a seal groove, is used for accommodating air bag and sliding shoe；Wherein, housing and inside casing all use aluminum alloy materials manufacture and
Become；Wherein, all images before present image in HD video carry out mean filter process specifically include: with pixel be
Unit, divided by present image after being added the pixel value of the same position pixel in all images before present image
The quantity of all images before and obtain the pixel average of corresponding pixel points, the pixel of pixels based on all positions is put down
The image that average composition mean filter obtains after processing.
More specifically, in the image processing platform that described reference frame intellectuality is extracted, also include: vehicle-mounted hard disks, be used for
Storage preset reference flame pattern.
More specifically, in the image processing platform that described reference frame intellectuality is extracted: vehicle-mounted hard disks uses rubber shock-absorbing.
More specifically, in the image processing platform that described reference frame intellectuality is extracted: vehicle-mounted hard disks uses steel wire shock-absorbing.
More specifically, in the image processing platform that described reference frame intellectuality is extracted: vehicle-mounted hard disks uses electronic vibration-protecting.
More specifically, in the image processing platform that described reference frame intellectuality is extracted, also include: pick-up head, be positioned at car
Position, top, speech data in Real-time Collection car.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the structure square frame of the image processing platform extracted according to the reference frame intellectuality shown in embodiment of the present invention
Figure.
Fig. 2 is that the reference frame of the image processing platform according to the reference frame intellectuality extraction shown in embodiment of the present invention carries
The block diagram of taking equipment.
Reference: 1 spherical shooting equipment；2 reference frame extraction equipments；3 motion detection devices；4 stablize image output sets
Standby；5 distortion correction equipment；6 suspicious figures detect equipment；21 motor pattern samplers；22 reference frames determine device
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the image processing platform that the reference frame intellectuality of the present invention is extracted is carried out
Describe in detail.
Currently, bus safety protection equipment automatization level is the highest, and such as vehicle window is difficult to quickly open, security protection machine
Work efficiency processed is low, and the precision of vehicle equipment, quantity and the type that detect for danger all can not meet passenger
The demand of escape, causes bus class of safety protection to maintain a relatively low horizontal line position.
In order to overcome above-mentioned deficiency, the present invention has built the image processing platform that a kind of reference frame intellectuality is extracted, it is possible to
In the case of finding more suspect, the built-in lock device of self-closing safety door or bolt device, it is possible to finding car
In the case of abnormality, automatically open up built-in lock device or the bolt device of safety door, the also security protection system to vehicle
Upgraded and transformed
Fig. 1 is the structure square frame of the image processing platform extracted according to the reference frame intellectuality shown in embodiment of the present invention
Figure, described platform includes spherical shooting equipment, reference frame extraction equipment, motion detection device, stablizes image output device, distortion
Correcting apparatus and suspicious figure detect equipment, and spherical shooting equipment is embedded in the glass devices in car body, shooting direction towards
Outside car, it is used for obtaining HD video, spherical shooting equipment, reference frame extraction equipment, motion detection device, stablizes image output and set
Standby, distortion correction equipment and suspicious figure detect equipment and are linked in sequence.
Then, the concrete structure continuing the image processing platform that the reference frame intellectuality to the present invention is extracted is carried out further
Explanation.
Described platform includes: spherical shooting equipment, is embedded in the glass devices in car body, shooting direction towards outside car,
Including image acquisition device, support and The Cloud Terrace, image acquisition device is arranged on The Cloud Terrace to carry out packaged type bat on The Cloud Terrace
Taking the photograph, it is thus achieved that HD video, the resolution of HD video is 2840 × 2160, and The Cloud Terrace is fixed on support.
As in figure 2 it is shown, described platform includes: reference frame extraction equipment, true including motor pattern sampler and reference frame
Determining device, motor pattern sampler is connected with image acquisition device, for carrying out moving on The Cloud Terrace when image acquisition device
The amount of movement of image acquisition device is added up, when the amount of movement of image acquisition device is more than the first preset displacement threshold value during dynamic formula shooting
Time, send the first motion mode signal, when the amount of movement of image acquisition device less than or equal to the first preset displacement threshold value and is more than
During the second preset displacement threshold value, send the second motion mode signal, when the amount of movement of image acquisition device is pre-less than or equal to second
If during displacement threshold value, send the 3rd motion mode signal；Reference frame determine device respectively with motor pattern sampler and spherical
Picture pick-up device connects, and for when receiving three motion mode signal, selects to fix a two field picture conduct from HD video
The reference picture of all successive images, when receiving the second motion mode signal, selects present image from HD video
Previous frame image is as the reference picture of present image；When receiving three motion mode signal, by current in HD video
All images before image carry out mean filter process, and the image obtained after being processed by mean filter is as the ginseng of present image
Examine image.
Described platform includes: motion detection device, determine with reference frame device be connected with obtain present image with reference to figure
Picture, is all divided into the subimage block of 32 × 32 by reference picture and present image, calculates each subimage block in reference picture
Pixel value mean square deviation, five subimage blocks of selected pixels value mean square deviation minimum, as with reference to subimage block, are joined for each
Examine subimage block, from present image, search the subimage block mated with this reference subimage block as target subimage block,
Motion vector therebetween is calculated and as this reference subgraph based on this reference subimage block and corresponding target subimage block
As the motion vector of block, determine average motion vector based on five motion vectors with reference to subimage block.
Described platform includes: stablize image output device, is connected with motion detection device, for based on average motion vector
Present image is carried out steady as processing to obtain current steady image；Based on average motion vector, present image is carried out at steady picture
Manage and include with acquisition current steady image: the pixel that present image reversely moves along average motion vector equivalent is current to obtain
Stablize image.
Described platform includes: distortion correction equipment, respectively with spherical shooting equipment and stablize image output device and be connected, uses
In the angle of detection image acquisition device optical axis and horizontal direction using as correcting angle, based on correcting angle to current steady figure
Correct as carrying out trapezoidal distortion to obtain current remedial frames.
Described platform includes: suspicious figure detects equipment, is connected with distortion correction equipment, for depending on current remedial frames
Secondary histogram equalization process, contrast enhancement processing, the process of self adaptation recursive filtering and the gray processing of carrying out processes to obtain gray scale
Change image, gray level image is carried out with default suspicious figure's benchmark image the suspicious figure mating to determine in gray level image
Quantity also exports as suspicious figure's number.
Described platform includes: pointed projection equipment, is arranged in the circular hole within housing, does not connects with air bag during normality
Touch, towards air bag one side shifting under the control of Mechanical Driven equipment time abnormal, be used for puncturing air bag, it is achieved right
The venting decompression of air bag is so that inside casing separates with housing.
Described platform includes: Mechanical Driven equipment, is arranged on inside housing, is connected with pointed projection equipment, also with DSP at
Reason chip connects, and for when receiving vehicle abnormality signal, drives the movement of pointed projection equipment.
Described platform includes: security window framework, including safety glass block, housing, inside casing, air bag, fixed block set,
Sliding shoe set and release button, air bag, fixed block set, sliding shoe set be all disposed between housing and inside casing, Gu
Determine set of blocks and include 4 fixed blocks, be separately positioned on four angles of security window framework, the L-shaped structure of each fixed block, use
In fixing air bag, and limiting the movement locus of both sides sliding shoe, sliding shoe set includes 4 sliding shoes, is separately positioned on
On four limits of security window framework, the elongated structure of each sliding shoe, under the pressure effect of air bag, by interior
Frame compresses, in air bag is installed in housing and outside the rectangle that sliding shoe collection is combined into, needed for being used for providing compression inside casing
Pressure, housing for realize be connected with the fixing of car body, safety glass block is positioned at inside casing, and inside casing is used for fixing glass, puts
Gas button is arranged on the car body side of housing, is connected with air bag, for realizing air bag by pressure in external force
Venting decompression so that inside casing separates with housing.
Described platform includes: DSP processes chip, detects equipment, flame detection equipment and fault respectively with suspicious figure certainly
Inspection equipment connects, and is used for receiving suspicious figure's number, and when suspicious figure's number is more than or equal to suspicious figure's number threshold value, sends out
Go out closing control signal, when receiving flame alarm signal or self-inspection alarm signal, send and open control signal, be simultaneously emitted by
Vehicle abnormality signal.
Described platform includes: flame detection equipment, is positioned at roof location, for environment inside car is carried out image acquisition to obtain
Get Che Nei image, carries out fire defector based on preset reference flame pattern to image in car and with segmentation at image in car and exports
Radix Aconiti Sungpanensis image, exports flame alarm signal while output Radix Aconiti Sungpanensis image, exports nothing without Radix Aconiti Sungpanensis image when exporting
Flare up fire.
Described platform includes: fault self-checking equipment, for each circuit arrangement in car being carried out self-inspection, when discovery circuit sets
For when there is fault, send self-inspection alarm signal and export the title of interlock circuit equipment, when non-discovery circuit equipment exists event
During barrier, send self-inspection without error signal.
Described platform includes: latch equipment, is arranged on the inner side of safety door, inserts under the control controlling equipment at latch
Enter or extract out；Latch controls equipment, is arranged on the inner side of safety door, is connected with latch equipment, also processes chip with DSP and is connected,
For receiving when opening control signal of outside input, control latch equipment and automatically extract out, be additionally operable to receiving outside
During the closing control signal inputted, control latch equipment and be automatically inserted into.
Wherein, the contact surface of sliding shoe and inside casing is rendered as the inclined-plane of a predetermined angle, thickness based on housing and interior
The thickness of frame determines the value of predetermined angle, and the inner side of housing is provided with a seal groove, is used for accommodating air bag and slip
Block.
Wherein, housing and inside casing all use aluminum alloy materials to be fabricated by.
Wherein, all images before present image in HD video carry out mean filter process specifically include: with picture
Vegetarian refreshments is unit, divided by working as after being added the pixel value of the same position pixel in all images before present image
The quantity of all images before front image and obtain the pixel average of corresponding pixel points, pixels based on all positions
The image that pixel average composition mean filter obtains after processing.
Alternatively, in described control platform: vehicle-mounted hard disks, it is used for storing preset reference flame pattern；Vehicle-mounted hard disks is adopted
Use rubber shock-absorbing；Vehicle-mounted hard disks uses steel wire shock-absorbing；Vehicle-mounted hard disks uses electronic vibration-protecting；And pick-up head, it is positioned at roof location,
Speech data in Real-time Collection car.
It addition, dsp chip, also referred to as digital signal processor, it is that one is particularly suitable for carrying out Digital Signal Processing computing
Microprocessor, it is mainly applied is to realize various digital signal processing algorithm real-time.
According to the requirement of Digital Signal Processing, dsp chip typically has following main feature: (1) is an instruction cycle
In can complete a multiplication and a sub-addition；(2) program and data space is separately, can access instruction and data simultaneously；(3) sheet
Inside there is quick RAM, generally can be accessed in two pieces by independent data/address bus simultaneously；(4) there is low overhead or without expense
Circulation and the hardware supported redirected；(5) quickly interrupt processing and Hardware I/O support；(6) there is operation within the monocycle many
Individual hardware address generator；(7) can be with the multiple operation of executed in parallel；(8) support pile line operation, make fetching, decode and perform
Can be with Overlapped Execution Deng operation.
Use the image processing platform that the reference frame intellectuality of the present invention is extracted, for prior art bus safety door and
Security window control efficiency is low, be difficult to the technical problem quickly opened, by safety door is carried out structure of modification, to security window weight
Newly it is designed, also introduces multiple vehicle-state detection equipment and fast reaction equipment, shorten the response time of passenger, improve car
The safe class of security protection system, reduces bus operating division by economic loss.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment being not used to
Limit the present invention.For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit,
Technical solution of the present invention is made many possible variations and modification by the technology contents that all may utilize the disclosure above, or is revised as
Equivalent embodiments with change.Therefore, every content without departing from technical solution of the present invention, according to the technical spirit pair of the present invention
Any simple modification made for any of the above embodiments, equivalent variations and modification, all still fall within the scope of technical solution of the present invention protection
In.
Claims (7)
1. the image processing platform that reference frame intellectuality is extracted, described platform includes that spherical shooting equipment, reference frame extract
Equipment, motion detection device, stablizing image output device, distortion correction equipment and suspicious figure and detect equipment, spherical shooting sets
Standby being embedded in the glass devices in car body, shooting direction, towards outside car, is used for obtaining HD video, spherical shooting equipment, ginseng
Examine frame extraction equipment, motion detection device, stablize image output device, distortion correction equipment and suspicious figure detect equipment order
Connect.
2. the image processing platform that reference frame intellectuality as claimed in claim 1 is extracted, it is characterised in that described platform bag
Include:
Spherical shooting equipment, is embedded in the glass devices in car body, shooting direction towards outside car, including image acquisition device,
Support and The Cloud Terrace, image acquisition device is arranged on The Cloud Terrace to carry out packaged type shooting on The Cloud Terrace, it is thus achieved that HD video, high
The resolution of clear video is 2840 × 2160, and The Cloud Terrace is fixed on support；
Reference frame extraction equipment, determines device, motor pattern sampler and figure including motor pattern sampler and reference frame
As sampler connects, for adding up image acquisition device when image acquisition device carries out packaged type shooting on The Cloud Terrace
Amount of movement, when the amount of movement of image acquisition device is more than the first preset displacement threshold value, sends the first motion mode signal, works as figure
When being less than or equal to the first preset displacement threshold value as the amount of movement of sampler and be more than the second preset displacement threshold value, send the second fortune
Dynamic mode signal, when the amount of movement of image acquisition device is less than or equal to the second preset displacement threshold value, sends the 3rd motor pattern
Signal；Reference frame determines that device is connected with motor pattern sampler and spherical shooting equipment respectively, for receiving the 3rd
During motion mode signal, select to fix the two field picture reference picture as all successive images from HD video, receiving
During to the second motion mode signal, select from HD video the previous frame image of present image as present image with reference to figure
Picture；When receiving three motion mode signal, all images before present image in HD video are carried out mean filter
Processing, the image obtained after being processed by mean filter is as the reference picture of present image；
Motion detection device, determine with reference frame device be connected with obtain present image reference picture, by reference picture and work as
Front image is all divided into the subimage block of 32 × 32, calculates the pixel value mean square deviation of each subimage block in reference picture, chooses
Five subimage blocks of pixel value mean square deviation minimum are as with reference to subimage block, for each with reference to subimage block, from currently
Image searches the subimage block mated with this reference subimage block as target subimage block, based on this reference subimage block
Motion vector therebetween the motion vector as this reference subimage block is calculated with corresponding target subimage block, based on
Five motion vectors with reference to subimage block determine average motion vector；
Stablize image output device, be connected with motion detection device, for present image being carried out surely based on average motion vector
As processing to obtain current steady image；Present image is carried out steady as processing to obtain current steady based on average motion vector
Image includes: present image reversely moves the pixel of equivalent along average motion vector to obtain current steady image；
Distortion correction equipment, respectively with spherical shooting equipment and stablize image output device and be connected, is used for detecting image acquisition device
The angle of part optical axis and horizontal direction, using as correcting angle, carries out trapezoidal distortion based on correction angle to current steady image and entangles
Just to obtain current remedial frames；
Suspicious figure detects equipment, is connected with distortion correction equipment, for current remedial frames carries out histogram equalization successively
Process, contrast enhancement processing, the process of self adaptation recursive filtering and gray processing process to obtain gray level image, by gray processing figure
As carrying out mating the suspicious figure's quantity to determine in gray level image and as suspicious people with default suspicious figure's benchmark image
Thing number exports；
Pointed projection equipment, is arranged in the circular hole within housing, does not contacts with air bag during normality, at machinery time abnormal
Towards air bag one side shifting under the control of driving equipment, it is used for puncturing air bag, it is achieved the venting to air bag subtracts
Pressure is so that inside casing separates with housing；
Mechanical Driven equipment, is arranged on inside housing, is connected with pointed projection equipment, also processes chip with DSP and is connected, is used for
When receiving vehicle abnormality signal, drive the movement of pointed projection equipment；
Security window framework, including safety glass block, housing, inside casing, air bag, fixed block set, sliding shoe set and venting
Button, air bag, fixed block set, sliding shoe set be all disposed between housing and inside casing, fixed block set include 4 solid
Determine block, be separately positioned on four angles of security window framework, the L-shaped structure of each fixed block, be used for fixing air bag, and
Limiting the movement locus of both sides sliding shoe, sliding shoe set includes 4 sliding shoes, is separately positioned on four limits of security window framework
On, the elongated structure of each sliding shoe, under the pressure effect of air bag, inside casing is compressed, air bag quilt
In being arranged on housing and outside the rectangle that sliding shoe collection is combined into, for providing the pressure compressed needed for inside casing, housing is for real
Now being connected with the fixing of car body, safety glass block is positioned at inside casing, and inside casing is used for fixing glass, and release button is arranged on housing
On car body side, it is connected with air bag, for realizing the venting of air bag is reduced pressure so that interior by pressure in external force
Frame separates with housing；
DSP processes chip, detects equipment, flame detection equipment and fault self-checking equipment respectively with suspicious figure and is connected, is used for connecing
Receive suspicious figure's number, and when suspicious figure's number is more than or equal to suspicious figure's number threshold value, send closing control signal, when
When receiving flame alarm signal or self-inspection alarm signal, send and open control signal, be simultaneously emitted by vehicle abnormality signal；
Flame detection equipment, is positioned at roof location, for environment inside car carrying out image acquisition to obtain image in car, based in advance
If benchmark flame pattern carries out fire defector to image in car with segmentation at image in car and exports Radix Aconiti Sungpanensis image, in output
Exporting flame alarm signal while Radix Aconiti Sungpanensis image, when exporting without Radix Aconiti Sungpanensis image, output is without flare up fire；
Fault self-checking equipment, for each circuit arrangement in car is carried out self-inspection, when discovery circuit equipment exists fault, sends
Self-inspection alarm signal also exports the title of interlock circuit equipment, when non-discovery circuit equipment exists fault, sends self-inspection errorless
Signal；
Latch equipment, is arranged on the inner side of safety door, is inserted or pulled out under the control controlling equipment at latch；
Latch controls equipment, is arranged on the inner side of safety door, is connected with latch equipment, also processes chip with DSP and is connected, is used for
Receive when opening control signal of outside input, control latch equipment and automatically extract out, be additionally operable to receiving outside input
During closing control signal, control latch equipment and be automatically inserted into；
Wherein, the contact surface of sliding shoe and inside casing is rendered as the inclined-plane of a predetermined angle, thickness based on housing and inside casing
Thickness determines the value of predetermined angle, and the inner side of housing is provided with a seal groove, is used for accommodating air bag and sliding shoe；
Wherein, housing and inside casing all use aluminum alloy materials to be fabricated by；
Wherein, all images before present image in HD video carry out mean filter process specifically include: with pixel
For unit, divided by current figure after the pixel value of the same position pixel in all images before present image is added
The pixel average of corresponding pixel points is obtained, the pixel of pixels based on all positions as the quantity of all images before
The image that meansigma methods composition mean filter obtains after processing.
3. the image processing platform that reference frame intellectuality as claimed in claim 2 is extracted, it is characterised in that also include:
Vehicle-mounted hard disks, is used for storing preset reference flame pattern.
4. the image processing platform that reference frame intellectuality as claimed in claim 3 is extracted, it is characterised in that:
Vehicle-mounted hard disks uses rubber shock-absorbing.
5. the image processing platform that reference frame intellectuality as claimed in claim 3 is extracted, it is characterised in that:
Vehicle-mounted hard disks uses steel wire shock-absorbing.
6. the image processing platform that reference frame intellectuality as claimed in claim 3 is extracted, it is characterised in that:
Vehicle-mounted hard disks uses electronic vibration-protecting.
7. the image processing platform that the reference frame intellectuality as described in claim 2-6 is arbitrary is extracted, it is characterised in that also wrap
Include:
Pick-up head, is positioned at roof location, speech data in Real-time Collection car.
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| CN201610793851.5A CN106331641A (en) | 2016-08-31 | 2016-08-31 | Image processing platform of intelligent extraction of reference frame |
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Application publication date: 20170111 |