CN102436757B - Parking space guiding and reverse vehicle searching system and method - Google Patents

Parking space guiding and reverse vehicle searching system and method Download PDF

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Publication number
CN102436757B
CN102436757B CN201010500714.0A CN201010500714A CN102436757B CN 102436757 B CN102436757 B CN 102436757B CN 201010500714 A CN201010500714 A CN 201010500714A CN 102436757 B CN102436757 B CN 102436757B
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parking stall
car plate
vehicle
guiding
parking
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CN201010500714.0A
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Chinese (zh)
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CN102436757A (en
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刘鹏
孙卫东
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北京紫光百会科技有限公司
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Abstract

The invention discloses a parking space guiding and reverse vehicle searching system and a method. The parking space guiding and reverse vehicle searching system comprises a parking space and licence plate identifying and positioning device and an inquiry terminal, wherein the parking space and licence plate identifying and positioning device further comprises a center data server, a licence plate identifying computer, a site controller, a guiding screen, a parking space lamp and a camera, wherein the center data server is connected with a vehicle identifying computer by an Ethernet, the licence plate identifying computer is connected with the site controller by the Ethernet, the site controller is connected with the camera, the parking space lamp and the guiding screen, and the center data server is also connected with the inquiry terminal by a wired network or a wireless network. By adopting the technical scheme disclosed by the invention, a parking space guiding system and a reverse vehicle searching system can be combined into a whole; and moreover, the structure is simple, the manufacturing cost is low, and the problems of parking difficulty, vehicle searching difficulty and the like are also solved effectively.

Description

The guiding of a kind of parking stall and reverse vehicle searching system and method

Technical field

The present invention relates to parking guidance technical field, relate in particular to the guiding of a kind of parking stall and reverse vehicle searching system and method.

Background technology

Along with the continuous increase of China's vehicles number in recent years, corresponding park construction scale is also increasing, the appearance that will continue of the large parking lot of multilayer, multizone, and the problem of some " parking difficulty " and " seeking car difficulty " produces thereupon.Motorist can not find idle parking stall after entering parking lot, and in parking lot the invalid searching empty parking space that travels, the problem such as cause parking lot passage to block up, air ambient is severe.Yet, when motorist returns while picking up the car, due to inner part of parking lot situation more complicated, be difficult to again find fast for the moment the parking stall of own vehicle, cause time waste, mood irritable, reduced the problems such as parking lot efficiency of operation.

Solve at present " parking difficulty " problem, mainly to use ultrasound wave parking stall Detection Techniques, in each parking stall, ultrasonic probe and parking stall lamp are installed, survey and show the full state of sky of parking stall, with navigational panel viewing area empty parking space number, the problem of parking difficulty can be solved, but the problem of seeking car difficulty can not be solved.And " seeking car difficulty " problem that solves is mainly to use the means such as the location of swiping the card, bar code ticket location, car plate identification location to carry out vehicle location, the shortcoming that location and bar code ticket locate of swiping the card is that requirement driver has stopped will arrive after car on the locating terminal on side and swipes the card or get tickets, cumbersome, after getting off, most of driver card can be placed in car, or forgotten to go brush, vehicle location just can not realize.

Car plate identification location is at the passage two ends of vehicle process, to do car plate identification, constantly updates vehicle location, and owing to involving great expense, so general area division is larger, location is inaccurate.Owing to following the interference such as car, pedestrian, car plate discrimination can not be very high, causes vehicle location to upgrade the wrong slippage errors that waits, and often causes seeking car error, so car plate is identified the mode of location, applies seldom.

Parking stall guides and oppositely seeks two systems of car and adds up, could solve the problem of " parking difficulty " and " seeking car difficulty ", cost is not low, and truck space guiding system effect is not bad, but reverse vehicle searching system can not be realized the lightheartedly function of location navigation always well.At present, really need to propose a set of perfect in shape and function, easy to use, cheap parking stall guiding and reverse vehicle searching system.

Summary of the invention

The object of the invention is to propose the guiding of a kind of parking stall and reverse vehicle searching system and method, the identification orientation direction car stowage that can identify by parking stall and car plate, and can show the position of parking and the route of picking up the car more accurately.

For reaching this object, the present invention by the following technical solutions:

The guiding of a kind of parking stall and reverse vehicle searching system, comprise parking stall car plate identification locating device and inquiry terminal, wherein, parking stall car plate identification locating device further comprises centre data server, car plate identification computing machine, field controller, navigational panel, parking stall lamp and camera, centre data server via Ethernet connects vehicle identification computing machine, car plate identification computing machine connects field controller by wired network or wireless network, field controller connects camera, parking stall lamp and navigational panel, centre data server is also connected by wired network or wireless network with inquiry terminal.

Car plate identification computing machine is the industrial computer of four core CPU.

Field controller comprises an embedded DSP singlechip controller.

Parking stall lamp is LED lamp group.

Inquiry terminal further comprises liquid crystal touch screen and multimedia output apparatus.

Parking stall guides and oppositely seeks a car method, comprises the following steps:

A, navigational panel show parking position situation, offer motorist, and motorist is according to the color judgement parking stall situation of parking stall lamp, and parking;

B, camera collection parking stall and vehicle image, the empty full state in field controller judgement parking stall, and the view data of crawl is uploaded to car plate identification computing machine;

C, parking stall lamp variable color are the full corresponding color in parking stall;

After D, car plate identification computing machine identification car plate, data result is uploaded to centre data server;

When E, motorist pick up the car, at inquiry terminal, input the number-plate number or the number part numeral of own vehicle;

F, inquiry terminal are from centre data server gathering information, and demonstration is similar, identical with input car plate numeral or the vehicle data of fuzzy matching;

G, motorist choose after the vehicle of oneself, the touch screen display vehicle location of inquiry terminal and seek recently bus or train route line.

In step B, field controller is uploaded car plate identification computing machine by Ethernet by the view data of crawl, and in step D, car plate identification computing machine uploads to centre data server by data result by Ethernet.

In step D, car plate identification computing machine uses rapid artificial intelligent algorithm identification car plate.

Adopted technical scheme of the present invention, not only truck space guiding system and reverse vehicle searching system can have been united two into one, and simple in structure, cheap, and efficiently solve problems such as " parking difficulty " and " looking for car difficulty ".

Accompanying drawing explanation

Fig. 1 is the structural representation of parking stall guiding and reverse vehicle searching system in the specific embodiment of the invention.

Fig. 2 is camera installation site schematic diagram in the specific embodiment of the invention.

Fig. 3 is that in the specific embodiment of the invention, parking stall guides and oppositely seek car process flow diagram.

Embodiment

Below in conjunction with accompanying drawing and by embodiment, further illustrate technical scheme of the present invention.

Of the present invention being mainly differentiated the empty full state in parking stall by the mode of video image identification, the method identification number-plate number with image recognition, parking stall guiding and reverse vehicle searching system unite two into one, and hundreds of parking stalls have a car plate identification computing machine, have reduced system cost.Vehicle location need not be swiped the card, and motorist just can complete vehicle location without waste motion, by inputting license plate number, carries out fuzzy matching inquiry, and indicates the best and seek bus or train route line.

Fig. 1 is the structural representation of parking stall guiding and reverse vehicle searching system in the specific embodiment of the invention.As shown in Figure 1, this system comprises parking stall car plate identification locating device 1 and inquiry terminal 201, parking stall car plate identification locating device further comprises central server 101, car plate identification computing machine 102, field controller 103, parking stall lamp 104, camera 105 and navigational panel 106, centre data server via Ethernet connects the vehicle identification computing machine of lower floor, car plate identification computing machine connects the field controller of lower floor by Ethernet, field controller connects camera, parking stall lamp and navigational panel, and inquiry terminal is connected with centre data server by Ethernet.Centre data server is also connected by wired network or wireless network with inquiry terminal.

Wherein, field controller connects camera and parking stall lamp, it comprises an embedded DSP singlechip controller, be mainly used in the crawl of image scene picture and upload, an optional wherein road video image compression becomes IP form to upload, calculate the empty full state in judgement parking stall, and drive parking stall lamp to show the empty full state in parking stall with red green, upload the running status of on-the-spot each equipment.From upper strata centre data server, obtain parking stall vectoring information, issue parking space guide screen nearby and show empty parking space region, complete parking stall guiding function.Each field controller can be controlled at most 8 road cameras and parking stall lamp, can meet between two pillars in general parking lot 6 or the parking stall of 8 and cover, and controls at most 2 parking space guide screens.It is AV signal format that field controller connects camera, connect parking stall lamp switch signal driver, connect navigational panel RS-485 communications protocol, upwards connect car plate identification computing machine and adopt Ethernet ICP/IP protocol, the ICP/IP protocol upwards connecting can be wired network, also wireless network Wifi agreement can be used, wiring trouble can be saved.

Car plate identification computing machine is for identifying the vehicle pictures number-plate number of crawl, and completely state and vehicle pictures etc. upload to centre data server the number-plate number, parking stall coding, parking stall sky.Car plate identification computing machine is generally arranged on on-the-spot wall or on pillar nearby, also can be arranged in management pulpit, and it connects the field controller of lower floor by Ethernet, according to the time requirement of car plate Data Update, can control a plurality of field controllers.As refreshed the time requirement 10 seconds of car plate data completely, a chassis board identification computing machine can be controlled approximately 200 parking stalls; If refresh time extends to 20 seconds, control parking stall quantity and can be increased to approximately 400 left and right.Car plate identification computing machine requires computing power stronger, requires to be again applicable to work on the spot, generally adopts the industrial computer of four core CPU, and built-in car plate identification software, can not want the peripheral hardwares such as display and keyboard after debugging.In order to shorten the time delay of car plate identification, system can be automatic to the up-to-date preferential identifying processing of vehicle that enters parking stall, and process not there is the vehicle taking turn of vehicle discrepancy change, so can not cause too many time delay.The identification number-plate number, use rapid artificial intelligent algorithm, can improve the accuracy rate of car plate identification and the accuracy rate of multiframe continuous videos stream identification, the whole board recognition accuracy of vehicle is greater than 90%, rear 5 bit digital recognition accuracies are greater than 97%, and single frames picture recognition time is less than 25 milliseconds.

Centre data server operated by rotary motion is in management pulpit, and it is the core of whole system, is mainly used in refreshing and storage cart item, the number-plate number, empty full state, vehicle pictures etc.; According to the empty full state computation parking space guide screen in parking stall to show empty wagons figure place, and be handed down to field controller; According to the request of inquiry terminal, the car item of the corresponding number-plate number, vehicle pictures etc. are issued to inquiry terminal, for client's enquiring vehicle position.The management maintenance work of system, comprises management car plate identification computing machine, field controller, inquiry terminal etc., carries out parameter setting, and program, data and map etc. pass down etc.

The empty full identification in parking stall realizes by field controller, guaranteed the real-time of parking stall identification and parking stall guiding, the state of parking stall lamp shows basic not free the delay, again due to field controller and centre data server employing TCP/IP communications protocol, communication speed is much higher than RS-485 bus, the Data Update time of whole system is less than 1 second, than now conventional ultrasound wave parking stall identification, has shortened more than 90%.

Car plate identification is operated on car plate identification computing machine and realizes, and more than 200 above parking stall has a computing machine and Vehicle License Plate Recognition System software, reduced the cost of system.The good framework of this system has solved the contradiction of performance and cost well, for system reduces cost, lays the foundation.

Inquiry terminal is comprised of the inquiry terminal with liquid crystal touch screen, and terminal has the multimedia output apparatus such as sound, and outward appearance fashion is easy to use, and operated by rotary motion enters parking lot only way which must be passed personnel such as the lift port of buildings, stairs port, halls.It is connected with centre data server via Ethernet ICP/IP protocol, can be wired network, can be also wireless network Wifi.It is by calling information of vehicles and the electronic chart of centre data server, and in lcd touch screen display vehicle exact position, and sign is sought car best route.Seek bus or train route line and indicate with map and navigation way, also can with word and speech explanation, seek route and the step of car, easy to use.When motorist returns while picking up the car, only need on touch-screen, input the number-plate number of oneself, or indivedual numerals of the number-plate number, system will be carried out fuzzy matching the similar number-plate number, show that a plurality of number-plate numbers and vehicle pictures are on touch-screen, after motorist browses, select correct information of vehicles, locate fast the vehicle of oneself, system provides subsequently seeks bus or train route line.When can prevent car plate identification error or misremembering car plate by the method for fuzzy matching, can not find car.

The all right expanded function of inquiry terminal, as print Query Result and seek the briefing of bus or train route line chart, self-help charging (system will be networked with stopping charging system and support to swipe the card payment, mobile-phone payment etc.), idle period broadcast advertisement, inquiry market and mansion, the consumption reward voucher in printing market etc. can be expanded according to actual conditions.

Inquiry terminal has completed and has oppositely sought car function together with system, and it is easy to use that this seeks car function, does not need motorist's unnecessary action request such as swipe the card, and has overcome the positioning system of swiping the card and has forgotten and swipe the card and can not find the difficult problem of car.Equally, owing to being one of parking stall camera, so the number-plate number and parking stall are strictly corresponding one by one, even have indivedual parking stalls owing to there being blocking of vehicle, pedestrian not catch the number-plate number, also can when refreshing, next round fill, so can not cause parking stall and the corresponding wrong slippage errors problem of vehicle.

Fig. 2 is camera installation site schematic diagram in the specific embodiment of the invention.As shown in Figure 2, camera is used for taking parking stall and vehicle image, small and exquisite, the applicable low-light (level) of cube to use, and is generally arranged on the passage opposite of parking stall.Parking stall lamp also will be installed in the side of camera, parking stall lamp is arranged on parking stall one side of passage, just in time contrary with camera, for indicating the full state of sky of this parking stall, generally use LED lamp group, by redness, represent that parking stall is full, have car state, green represent parking stall empty, without car state, blueness represents disabled person parking stall, and green flicker represents predetermined RESERVED etc., and function can define flexibly.Navigational panel is that convenient in order to connect networking, parking space guide screen is connected with the field controller on side nearby, obtain showing data for showing the empty parking space number of respective regions.

Fig. 3 is that in the specific embodiment of the invention, parking stall guides and oppositely seek car process flow diagram.As shown in Figure 3, working-flow comprises the following steps:

When step 301, motorist march into the arena, according to selected parking lot and the parking area that will go of parking space guide screen.

Step 302, motorist enter after parking area, according to the demonstration of parking stall lamp, find suitable empty parking space, and redness represents that parking stall is full, has car state, green represent parking stall empty, without car state, blueness represents disabled person parking stall, and green flicker represents predetermined RESERVED etc., and function can define flexibly.

After step 303, parking, camera collection parking stall and vehicle image, and by Ethernet, the view data of crawl is uploaded to car plate identification computing machine.

Step 304, the parking stall lamp look that reddens, car owner can leave voluntarily.

After step 305, computing machine identification car plate, data result is uploaded to centre data server by Ethernet, so far, parking stall identification and car plate end of identification.

Step 306, motorist leave the theatre while picking up the car, and input the number-plate number or the number part numeral of own vehicle by inquiry terminal nearby.

Step 307, inquiry terminal are from centre data server gathering information.

Step 308, inquiry terminal show the vehicle data of or fuzzy matching similar, identical with input car plate numeral.

Step 309, motorist choose after the vehicle of oneself, and the touch screen display vehicle location of inquiry terminal and seek recently bus or train route line is sought car and finished.

Above; be only preferably embodiment of the present invention, but protection scope of the present invention is not limited to this, any people who is familiar with this technology is in the disclosed technical scope of the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.

Claims (7)

1. parking stall guiding and a reverse vehicle searching system, is characterized in that, comprises parking stall car plate identification locating device and inquiry terminal, wherein,
Described parking stall car plate identification locating device further comprises centre data server, car plate identification computing machine, field controller, navigational panel, a plurality of parking stalls lamp and a plurality of camera, described field controller connects described camera, described parking stall lamp and described navigational panel
Described camera is arranged on respectively the passage opposite of each parking stall, and for taking parking stall and vehicle image, described field controller is uploaded car plate identification computing machine by Ethernet by the view data of crawl;
Described centre data server via Ethernet connects vehicle identification computing machine;
And described car plate identification computing machine utilizes described view data identification car plate, and data result is uploaded to centre data server;
Described centre data server is also connected by wired network or wireless network with inquiry terminal;
Described inquiry terminal is chosen motorist after the vehicle of oneself, shows vehicle location and seeks recently bus or train route line.
2. according to the guiding of a kind of parking stall and the reverse vehicle searching system of claim 1, it is characterized in that, car plate identification computing machine is the industrial computer of four core CPU.
3. according to the guiding of a kind of parking stall and the reverse vehicle searching system of claim 1, it is characterized in that, field controller comprises an embedded DSP singlechip controller.
4. according to the guiding of a kind of parking stall and the reverse vehicle searching system of claim 1, it is characterized in that, parking stall lamp is LED lamp group.
5. according to the guiding of a kind of parking stall and the reverse vehicle searching system of claim 1, it is characterized in that, inquiry terminal further comprises liquid crystal touch screen and multimedia output apparatus.
6. utilize the parking stall guiding of parking stall guiding described in claim 1 and reverse vehicle searching system and oppositely seek a car method, it is characterized in that, comprising the following steps:
A, navigational panel show parking position situation, offer motorist, and motorist is according to the color judgement parking stall situation of parking stall lamp, and parking;
B, be arranged on described camera collection parking stall and the vehicle image on the passage opposite of each parking stall, the empty full state in field controller judgement parking stall, and the view data of crawl is uploaded to car plate identification computing machine;
C, parking stall lamp variable color are the full corresponding color in parking stall;
After D, car plate identification computing machine identification car plate, data result is uploaded to centre data server;
When E, motorist pick up the car, at inquiry terminal, input the number-plate number or the number part numeral of own vehicle;
F, inquiry terminal are from centre data server gathering information, and demonstration is similar, identical with input car plate numeral or the vehicle data of fuzzy matching;
G, motorist choose after the vehicle of oneself, the touch screen display vehicle location of inquiry terminal and seek recently bus or train route line.
7. parking stall according to claim 6 guides and oppositely seeks car method, it is characterized in that, in step D, car plate identification computing machine uses rapid artificial intelligent algorithm identification car plate.
CN201010500714.0A 2010-09-29 2010-09-29 Parking space guiding and reverse vehicle searching system and method CN102436757B (en)

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