CN204596151U - Vehicle image acquisition system - Google Patents
Vehicle image acquisition system Download PDFInfo
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- CN204596151U CN204596151U CN201520201619.9U CN201520201619U CN204596151U CN 204596151 U CN204596151 U CN 204596151U CN 201520201619 U CN201520201619 U CN 201520201619U CN 204596151 U CN204596151 U CN 204596151U
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- car plate
- vehicle
- video camera
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- parking lot
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Abstract
The utility model provides a kind of vehicle image acquisition system, comprise: the photograph car plate video camera of shooting vehicle and car plate thereof, control the described screening-mode switching device shifter carrying out screening-mode switching according to car plate video camera, detect the ambient brightness detecting device of night-environment, detect vehicle detection apparatus and the parking lot management platform of vehicle discrepancy; The described car plate video camera that shines connects described screening-mode switching device shifter and parking lot management platform respectively; Described ambient brightness detecting device and vehicle detection apparatus are connected described screening-mode switching device shifter respectively; Described screening-mode switching device shifter also connects described parking lot management platform.Above-mentioned vehicle image acquisition system, makes described screening-mode switching device shifter can according in the daytime or night and the screening-mode that switches when car arrives according to car plate video camera by ambient brightness detecting device and vehicle detection apparatus; Thus make the brightness of image that generates during the periphery scenery beyond shooting at night car plate and car plate higher.
Description
Technical field
The utility model relates to acquisition technology field, particularly relates to vehicle image acquisition system.
Background technology
Along with reaching its maturity of automatic Recognition of License Plate, and can be managing system of car parking and the vehicle management of most convenient is provided and is widely used, Car license recognition is identification to image information, analysis, treatment technology, and gathering image frame is clearly the key improving Car license recognition rate.Image acquisition, mainly by means of camera gun, is used to according to car plate video camera the very strong camera gun of specificity taking contact vehicle, and it is generally used for the place such as gateway of parking lot, charge station, factory, unit and community, is important vehicle monitoring instrument.
Want the vehicle image picture of shooting clear, except the factor impacts such as road speed, at night, automobile headlamp often forms great interference to the camera gun of shooting car plate.Therefore, current all takes various interference protection measure to improve performance according to car plate video camera, in order to, at the better license plate image of shooting at night, make the license plate image effect of shooting at night have greatly improved with wide dynamic, that high light suppresses, the technology such as restriction of throwing light on the are produced car plate video camera that shines.
According to the shooting image of car plate video camera after technical finesse, the high-brightness region exceeding certain limit is shielded, makes it to become black, with the actuating range of limit electronic shutter.Because camera gun action of electronic shutter when photographing high light limit, therefore there will not be the phenomenon that picture turns black, thus more clearly can photograph the license plate image under headlight light, greatly strengthen the ability of opposing headlight interference.But the nighttime image of camera gun shooting is shaping imperfect, and picture clear zone lacks, during Night work, when taking the periphery scenery beyond car plate, the brightness of image is on the low side even entirely black, is beyond recognition, and is unfavorable for record vehicle body feature.
Utility model content
Based on this, when being necessary to provide a kind of periphery scenery beyond shooting at night car plate and car plate, the vehicle image acquisition system of the image that brightness is suitable, identification is higher all can be generated.
A kind of vehicle image acquisition system, comprise: the photograph car plate video camera of shooting vehicle and car plate thereof, control the described screening-mode switching device shifter carrying out screening-mode switching according to car plate video camera, detect the ambient brightness detecting device of night-environment, detect vehicle detection apparatus and the parking lot management platform of vehicle discrepancy;
Vehicle in and out port place is located at by the described car plate video camera that shines; Parking lot management center is located at by parking lot management platform; Vehicle detection apparatus and ambient brightness detecting device are located at vehicle in and out port;
The described car plate video camera that shines connects described screening-mode switching device shifter and parking lot management platform respectively;
Described ambient brightness detecting device and vehicle detection apparatus are connected described screening-mode switching device shifter respectively;
Described screening-mode switching device shifter also connects described parking lot management platform.
Above-mentioned vehicle image acquisition system, pass through ambient brightness detecting device, testing environment brightness can be relied on to judge in the daytime and night, whether can be detected by vehicle detection apparatus has vehicle to arrive, thus described screening-mode switching device shifter can according in the daytime or night and the screening-mode that switches according to car plate video camera when car arrives cost-saving; By can process the image that the different screening-mode of photograph car plate video camera obtains from the parking lot management platform connected according to car plate video camera, thus make the brightness of image that generates during the periphery scenery beyond shooting at night car plate and car plate higher.
Accompanying drawing explanation
Fig. 1 is vehicle image acquisition system first example structure schematic diagram;
Fig. 2 is vehicle image acquisition system second example structure schematic diagram;
Fig. 3 is vehicle image acquisition system the 3rd example structure schematic diagram.
Embodiment
Refer to Fig. 1, Fig. 1 is vehicle image acquisition system first example structure schematic diagram.
A kind of vehicle image acquisition system, comprise: the photograph car plate video camera 10 of shooting vehicle and car plate thereof, control the described screening-mode switching device shifter 20 carrying out screening-mode switching according to car plate video camera 10, detect the ambient brightness detecting device 50 of night-environment, detect vehicle detection apparatus 40 and the parking lot management platform 30 of vehicle discrepancy;
Vehicle in and out port place is located at by the described car plate video camera 10 that shines; Parking lot management center is located at by parking lot management platform 30; Vehicle detection apparatus 40 and ambient brightness detecting device 50 are located at vehicle in and out port;
The described car plate video camera 10 that shines connects described screening-mode switching device shifter 20 and parking lot management platform 30 respectively;
Described ambient brightness detecting device 50 and vehicle detection apparatus 40 are connected described screening-mode switching device shifter 20 respectively;
Described screening-mode switching device shifter 20 also connects described parking lot management platform 30.
Above-mentioned vehicle image acquisition system, by ambient brightness detecting device 50, can be judged in the daytime and night by testing environment brightness, whether can be detected by vehicle detection apparatus 40 has vehicle to arrive, thus described screening-mode switching device shifter 20 can according in the daytime or night and the screening-mode that switches according to car plate video camera 10 when car arrives cost-saving; By can process the image that the different screening-mode of photograph car plate video camera 10 obtains from the parking lot management platform 30 connected according to car plate video camera 10, thus make the brightness of image that generates during the periphery scenery beyond shooting at night car plate and car plate higher.
In one embodiment, described photograph car plate video camera 10 is for having the photograph car plate video camera 10 of high light suppression and wide dynamic perfromance.
High light inhibit feature effectively can suppress the upper beam of vehicle.
Refer to Fig. 2, in one embodiment, parking lot management platform 30 comprises: the image data processing module 31 connected successively and data memory module 33, and described image data processing module connects described according to car plate video camera 10.
Image can be processed further by the image data processing module 31 of parking lot management platform 30 and data memory module 33, and store related data.
In one embodiment, the described car plate video camera 10 that shines is provided with night vision illumination lamp, for the floor light when night or illumination do not work.
In order to more detailed description vehicle image acquisition system of the present utility model, be described below in conjunction with embody rule example.
This embody rule example is described with the example that is applied as in parking lot.
Refer to Fig. 3, Fig. 3 is vehicle image acquisition system the 3rd example structure schematic diagram.
Composition for the vehicle image acquisition system of gateway, parking lot scene collection comprises: a bat car plate camera gun for gathering gateway, parking lot vehicle image, one group of scene control module being used for camera gun screening-mode and controlling, and to the parking lot management platform that view data processes.Wherein, clap car plate camera gun and connect scene control module and parking lot management platform respectively.
Bat car plate camera gun used is suppress and the special camera gun of wide dynamic perfromance with high light, outfit night vision illumination lamp, have night/common screening-mode function, can the switching of external control screening-mode.
Scene controls module and comprises: vehicle detection module (i.e. vehicle detection apparatus), ambient brightness detection module (i.e. ambient brightness detecting device), camera gun screening-mode handover module (i.e. screening-mode switching device shifter), and camera gun screening-mode handover module connects vehicle detection module and ambient brightness detection module respectively; Camera gun screening-mode handover module connects claps car plate camera gun.
Parking lot management platform is the core of whole parking system management, includes image data processing module and other functional modules.
Scene controls the state of module according to vehicle detection module, ambient brightness detection module monitoring Entrance place, and carries out data analysis according to the setting value of parameters; Formula wagon detector all with being provided with is felt in general park field before the banister of gateway, before monitoring gateway banister, whether there is vehicle to arrive, wagon detector generally outputs signal the signal into switch contact or varying level, the vehicle detection module of this embody rule example is the Functional Design circuit that scene controls module, the signal using detecting device testing product to export carries out the adaptive conversion of level, as the input providing controlled condition signal to mode switch module.In like manner, ambient brightness detection module also provides the input of another road controlled condition signal to mode switch module, due to the automatic day and night handoff functionality of environment measuring that this embody rule example does not use camera gun built-in, therefore certainly establish a set of ambient brightness detection module to judge night status in the daytime.
By camera gun screening-mode handover module to the screening-mode control port output switching instruction of clapping car plate camera gun, generally export common screening-mode instruction in the daytime, export night night/common two kinds of alternate mode instructions.And under night is comparatively dark and front lamp of vehicle high light hides car plate environment, first meets the Car license recognition at night with the license plate image of shooting at night pattern shooting clear, be used alternatingly common screening-mode shooting background image afterwards.Simultaneously to the image data processing module sending mode switching command status signal of managing system of car parking.
Night export night/object of common two kinds of alternate mode instructions takes license plate image by Night, day inter mode shooting vehicle appearance and background image, the image-forming solving the shooting of night camera rifle is imperfect, the problem of picture clear zone disappearance, and these problems are when also causing Night to work, the brightness of the image that the periphery scenery beyond shooting car plate generates is on the low side even entirely black, is beyond recognition, be unfavorable for record vehicle body feature, also affect the management in parking lot.
Clap car plate camera gun carries out shooting effect technical finesse according to the screening-mode switching command of port accepts, export corresponding night/common screening-mode picture signal.
Image data processing module receives claps the picture signal of car plate camera gun and the pattern switching command status signal of camera gun screening-mode handover module, to night/every data processing such as ordinary image signal gathers respectively, analysis, and be sent in other functional modules and store or transmission.
In this embody rule example, only have and meet night status and when there being car to arrive, mode switch module just can be carried out switching to camera gun and be controlled, switching command status signal is exported to image data processing module simultaneously, to inform that video that current camera gun exports is the picture signal of night or general mode, image data processing module correspondence is allowed to gather, after image data processing module collects two width images respectively, stop alternation switching to the instruction of mode switch module foldback, the instruction of foldback automatically resets after each banister is opened.
The parking lot management platform that this embody rule example is mentioned can be an independently management platform, also can be a data collection station of cloud parking lot management platform.As independently management platform, view data after process is used for local storage, other functions are just many, such as user management, toll administration, banister control etc., words as data terminal are then mainly used in data acquisition transmission, the execution that banister controls, after data upload, other functions are managed by high in the clouds, and high in the clouds stores.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (4)
1. a vehicle image acquisition system, it is characterized in that, comprise: the photograph car plate video camera of shooting vehicle and car plate thereof, control the described screening-mode switching device shifter carrying out screening-mode switching according to car plate video camera, detect the ambient brightness detecting device of night-environment, detect vehicle detection apparatus and the parking lot management platform of vehicle discrepancy;
Vehicle in and out port place is located at by the described car plate video camera that shines; Parking lot management center is located at by parking lot management platform; Vehicle detection apparatus and ambient brightness detecting device are located at vehicle in and out port;
The described car plate video camera that shines connects described screening-mode switching device shifter and parking lot management platform respectively;
Described ambient brightness detecting device and vehicle detection apparatus are connected described screening-mode switching device shifter respectively;
Described screening-mode switching device shifter also connects described parking lot management platform.
2. vehicle image acquisition system according to claim 1, is characterized in that, described photograph car plate video camera is the photograph car plate video camera with high light suppression and wide dynamic perfromance.
3. vehicle image acquisition system according to claim 1, is characterized in that, parking lot management platform comprises: the image data processing module connected successively and data memory module, and described image data processing module connects described according to car plate video camera.
4. vehicle image acquisition system according to claim 1, is characterized in that, the described night vision illumination lamp being provided with floor light according to car plate video camera.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520201619.9U CN204596151U (en) | 2015-04-03 | 2015-04-03 | Vehicle image acquisition system |
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| CN201520201619.9U CN204596151U (en) | 2015-04-03 | 2015-04-03 | Vehicle image acquisition system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554414A (en) * | 2015-12-15 | 2016-05-04 | 浙江宇视科技有限公司 | Strong light inhibition method and device |
| CN107399321A (en) * | 2016-05-12 | 2017-11-28 | 本田技研工业株式会社 | Vehicle control system, control method for vehicle and wagon control program |
| CN110533921A (en) * | 2019-08-06 | 2019-12-03 | 北京万集科技股份有限公司 | The triggering grasp shoot method and system of vehicle |
| CN110796862A (en) * | 2019-11-05 | 2020-02-14 | 西南交通大学 | Highway traffic condition detection system and method based on artificial intelligence |
-
2015
- 2015-04-03 CN CN201520201619.9U patent/CN204596151U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554414A (en) * | 2015-12-15 | 2016-05-04 | 浙江宇视科技有限公司 | Strong light inhibition method and device |
| CN105554414B (en) * | 2015-12-15 | 2018-04-27 | 浙江宇视科技有限公司 | Strong Xanthophyll cycle method and device |
| CN107399321A (en) * | 2016-05-12 | 2017-11-28 | 本田技研工业株式会社 | Vehicle control system, control method for vehicle and wagon control program |
| CN110533921A (en) * | 2019-08-06 | 2019-12-03 | 北京万集科技股份有限公司 | The triggering grasp shoot method and system of vehicle |
| CN110533921B (en) * | 2019-08-06 | 2021-06-18 | 北京万集科技股份有限公司 | Triggering snapshot method and system for vehicle |
| CN110796862A (en) * | 2019-11-05 | 2020-02-14 | 西南交通大学 | Highway traffic condition detection system and method based on artificial intelligence |
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