CN104794931A - Method and system for monitoring usage of parking space through cameras - Google Patents
Method and system for monitoring usage of parking space through cameras Download PDFInfo
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- CN104794931A CN104794931A CN201510176180.3A CN201510176180A CN104794931A CN 104794931 A CN104794931 A CN 104794931A CN 201510176180 A CN201510176180 A CN 201510176180A CN 104794931 A CN104794931 A CN 104794931A
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Abstract
The invention discloses a method and a system for monitoring usage of a parking space through cameras. The method includes the steps of using a parking line camera to monitor whether a preset parking line is blocked; if not, determining that the parking space is available; if yes, going to the next step; using a license plate camera to recognize an automobile license plate; if recognition is successful, determining that the parking space is under use; recording the license plate in the system; if recognition fails, sending out an alarm to remind an operator on duty of check outing the condition of the parking space. The method and the system have the advantages that the technique combining the parking line and license plate recognition ensures high recognition rate, equipment installation is convenient, the limitation of installation at the automobile head or tail position is avoided, imaging is rarely susceptible to appearance factors such as light, modeling is simple, the cost is low, and the performance is reliable.
Description
Technical field
The present invention relates to monitoring technical field, particularly a kind of method and system of monitoring parking stall service condition.
Background technology
Modern city, vehicle gets more and more, and there is a lot of situation of at will stopping, relevant departments are also proposed curb parking position, carry out management vehicle parking problem, have also just attracted and how to have managed parking stall problem here.
Whether the method for existing curb parking position management monitors parking stall by earth magnetism or ground induction coil has object to take, earth magnetism or ground induction coil judge whether to there is the circulation that object blocks signal by not stopping paying out the signal sent, if blocked, there is object and take parking stall, then send message informing patrol officer and manage parking stall, so then a people is just needed to manage parking stall every several roads, and just can reduce by this kind of situation in a large number by video camera, as long as in terminal, managerial personnel see that video pictures etc. just can understand this parking stall situation the very first time, judge whether to need to process to scene, video pictures data also can protect the rights and interests of the driver being parked in this parking stall vehicle to a certain extent simultaneously.
If but use traditional cameras, then can only monitor parking stall by video data, each like this parking stall needs people and often stares at, and has certain personnel attrition so equally, so propose the method for video camera Intelligent Recognition in industry, but current method is not all suitable for curb parking.
The Intelligent Recognition algorithm that existing market exists has contour of the vehicle recognizer, Recognition Algorithm of License Plate.
Vehicle appearance recognizer carries out modeling, characteristic statistics, implementation algorithm by the profile for automobile, carries out Algorithm Analysis by video data to image, analyzes parking stall and whether there is vehicle.
Recognition Algorithm of License Plate is that the mode implementation algorithms such as font color coupling, carry out Algorithm Analysis by video data to image, analyze the number-plate number in image by carrying out modeling to the car plate of automobile.
Identify that the situation whether parking stall exists vehicle generally can only be applicable to parking garage by contour of the vehicle recognizer, its weak point has: 1. the requirement of vehicle identification to image is higher, if there is light direct projection vehicle to cause the reflective impact waiting environmental factor in addition, its discrimination can be affected; 2. vehicle identification intelligence can only be the situation facing headstock or the tailstock, ability discrimination is higher, because the profile all too of car is many, if go from the side to identify, the difficulty of modeling improves greatly, accuracy is also not ideal enough, and the best standard of current industry does not yet reach the degree that can be supplied to the public and use.
Go to have judged whether vehicle by Car license recognition, the method is sailed into when normal vehicle when sailing out of parking stall and may be suitable for, but also has following deficiency: 1. when new car does not have car plate, None-identified takies to vehicle; 2. car plate reflective is very strong, and the video taken when there being light direct projection car plate all can't see car plate, more can not recognize car plate; 3. in the industry cycle there is the problem of car plate and angle lens in Car license recognition, if it is too large to there is angle, be not namely camera lens faced by front, car plate will be out of shape in video imaging, when being deformed to a certain degree, identification not gone out car plate accurately.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention discloses a kind of method utilizing video camera to monitor parking stall service condition, and the present invention adopts following technical scheme to solve above-mentioned technical matters:
Utilize video camera to monitor a method for parking stall service condition, comprise the steps:
Whether the parking stall line using parking stall line video camera monitoring to preset is blocked, if do not blocked, judge that parking stall is not used, parking stall line is blocked, then enter next step;
Use car plate video camera identification automotive license plate, as can automotive license plate be recognized, then judge that parking stall is occupied, is recorded in car plate in the middle of system, as None-identified automotive license plate, then sends warning reminding operator on duty and check parking stall situation.
Preferably, monitor in the method for parking stall service condition at above-mentioned a kind of video camera that utilizes, use parking stall line video camera and car plate video camera to be infrared camera.
Preferably, monitor in the method for parking stall service condition at above-mentioned a kind of video camera that utilizes, if car plate video camera fails to recognize automotive license plate, then start light compensating apparatus and again identify car plate, recognize automotive license plate as still failed, then send warning reminding operator on duty and check parking stall situation.
Preferably, monitor in the method for parking stall service condition at above-mentioned a kind of video camera that utilizes, also comprise eb parameter setting module, specified the position and shape that identify parking stall line by web parameter setting module.
Preferably, monitor in the method for parking stall service condition at above-mentioned a kind of video camera that utilizes, also comprise image pre-processing module, the image that parking stall line video camera, car plate video camera obtain is transmitted in parking stall line identification module and Car license recognition module again after image pre-processing module process.
The present invention also discloses a kind of system utilizing video camera to monitor parking stall service condition, comprise parking stall line video camera, car plate video camera, Recognition Algorithm of License Plate module, parking stall line recognizer module, logic processing module and server end, the image that Recognition Algorithm of License Plate module is used for car plate video camera obtains identifies, parking stall line recognizer module is for identifying that parking stall line video camera obtains image, logic processing module is used for judging the recognition result of Recognition Algorithm of License Plate module and parking stall line recognizer module, server end is according to logic processing module feedback result record parking space information.
Preferably, monitor in the system of parking stall service condition at above-mentioned a kind of video camera that utilizes, use car plate video camera and parking stall line video camera to be infrared camera.
Preferably, monitor in the system of parking stall service condition at above-mentioned a kind of video camera that utilizes, also comprise light compensating apparatus, when Recognition Algorithm of License Plate module None-identified is to car plate, light compensating apparatus is opened automatically.
Preferably, monitor in the system of parking stall service condition at above-mentioned a kind of video camera that utilizes, also comprise web parameter setting module, particular location and the shape of the parking stall line of parking stall line identification module identification are set by web parameter setting module.
Preferably, monitor in the system of parking stall service condition at above-mentioned a kind of video camera that utilizes, also comprise image pre-processing module, the image that parking stall line video camera, car plate video camera obtain is transmitted in parking stall line identification module and Car license recognition module again after image pre-processing module process.
Compared with prior art, the present invention has following beneficial effect:
The present invention discloses a kind of method and system utilizing video camera to monitor parking stall service condition, adopt the technological means that parking stall line and Car license recognition combine, recognition accuracy is high, equipment is easy for installation, do not need the position being confined to be installed on headstock or the tailstock, not easily affect imaging by appearance factors such as light, modeling is simple, cost is lower, dependable performance.
Figure of description
Fig. 1 present system block diagram
Embodiment
Below the technical scheme in the embodiment of the present invention is clearly described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the present invention discloses a kind of method and system utilizing video camera to monitor parking stall service condition, specifically comprise, by parking stall line video camera, parking stall line recognizer module, car plate video camera, Recognition Algorithm of License Plate module, logic processing module and server end.The parking stall line image that parking stall line camera acquisition is preset also is identified by parking stall line recognizer module, car plate camera acquisition automotive license plate image is also identified by Recognition Algorithm of License Plate module, parking stall line recognizer module and Recognition Algorithm of License Plate Module recognition result are sent to logic processing module, carry out corresponding operating and by data recordation in server end according to the logical consequence Control Server end that both identify.
Concrete, parking stall line recognizer module and Recognition Algorithm of License Plate module can feed back respectively be, no information is in logic processor, just can draw the concrete service condition of parking stall line according to the Different Results of two car feedbacks, be the Different Results of logical process of the present invention see table one.
Table one
According to above-mentioned logical process result, system operates accordingly, does not operate when vehicle just sails into, does not operate when parking stall is idle, when judging that parking stall is occupied, car plate is recorded into server end, when car plate is blocked, send warning reminding operator on duty artificial treatment.
On the basis of such scheme, consider night insufficient light and bad weather time ambient light deficiency situation, can parking stall line video camera and car plate video camera be used instead as infrared camera, and install light filling position additional at correct position, first start light compensating apparatus when judging the situation that car plate is blocked and again carry out Car license recognition, if car plate still can not be recognized just send warning reminding operator on duty artificial treatment, adopt the reduction of this scheme because of the probability of native system generation erroneous judgement when night or ambient light deficiency.
Consider the different actual conditions in each parking lot simultaneously, web parameter setting module can also be added in the present system, web parameter setting module is used to need the parking stall line position of identification and shape to arrange to parking stall line video camera, in actual use, the long straight line that both can be set to outside the line of parking stall also can be set to the tag line under car, in order to improve the accuracy rate that parking stall line and car plate set, image pre-processing module can also be added in the present system, first the process such as noise reduction nti-freckle are carried out after car plate video camera and parking stall line video camera obtain image, promote the quality of the image obtained, thus raising recognition accuracy.
The present invention discloses a kind of method and system utilizing video camera to monitor parking stall service condition, adopt the technological means that parking stall line and Car license recognition combine, recognition accuracy is high, equipment is easy for installation, do not need the position being confined to be installed on headstock or the tailstock, not easily affect imaging by appearance factors such as light, modeling is simple, cost is lower, dependable performance.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. utilize video camera to monitor a method for parking stall service condition, it is characterized in that, comprise the steps:
Whether the parking stall line using parking stall line video camera monitoring to preset is blocked, if do not blocked, judge that parking stall is not used, parking stall line is blocked, then enter next step;
Use car plate video camera identification automotive license plate, as can automotive license plate be recognized, then judge that parking stall is occupied, is recorded in car plate in the middle of system, as None-identified automotive license plate, then sends warning reminding operator on duty and check parking stall situation.
2. a kind of method utilizing video camera to monitor parking stall service condition according to claim 1, is characterized in that: use parking stall line video camera and car plate video camera to be infrared camera.
3. a kind of method utilizing video camera to monitor parking stall service condition according to claim 2, it is characterized in that: if car plate video camera fails to recognize automotive license plate, then start light compensating apparatus and again identify car plate, monitor automotive license plate as still failed, then send warning reminding operator on duty and check parking stall situation.
4. a kind of method utilizing video camera to monitor parking stall service condition according to claim 1, be is characterized in that: also comprise web parameter setting module, is specified the position and shape that identify parking stall line by web parameter setting module.
5. a kind of method utilizing video camera to monitor parking stall service condition according to claim 1, it is characterized in that: also comprise image pre-processing module, the image that parking stall line video camera, car plate video camera obtain is transmitted in parking stall line identification module and Car license recognition module again after image pre-processing module process.
6. the system utilizing video camera to monitor parking stall service condition, it is characterized in that: comprise parking stall line video camera, car plate video camera, Recognition Algorithm of License Plate module, parking stall line recognizer module, logic processing module and server end, the image that Recognition Algorithm of License Plate module is used for car plate video camera obtains identifies, parking stall line recognizer module is for identifying that parking stall line video camera obtains image, logic processing module is used for judging the recognition result of Recognition Algorithm of License Plate module and parking stall line recognizer module, server end is according to logic processing module feedback result record parking space information.
7. a kind of system utilizing video camera to monitor parking stall service condition according to claim 6, is characterized in that: use car plate video camera and parking stall line video camera to be infrared camera.
8. a kind of system utilizing video camera to monitor parking stall service condition according to claim 7, it is characterized in that: also comprise light compensating apparatus, when Recognition Algorithm of License Plate module None-identified is to car plate, light compensating apparatus is opened automatically.
9. a kind of system utilizing video camera to monitor parking stall service condition according to claim 6, be is characterized in that: also comprise web parameter setting module, is arranged particular location and the shape of the parking stall line of parking stall line identification module identification by web parameter setting module.
10. a kind of system utilizing video camera to monitor parking stall service condition according to claim 9, it is characterized in that: also comprise image pre-processing module, the image that parking stall line video camera, car plate video camera obtain is transmitted in parking stall line identification module and Car license recognition module again after image pre-processing module process.
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| CN106023594A (en) * | 2016-06-13 | 2016-10-12 | 北京精英智通科技股份有限公司 | Parking stall shielding determination method and device and vehicle management system |
| CN106327877A (en) * | 2016-08-31 | 2017-01-11 | 广东艾科智泊科技股份有限公司 | Vehicle identification system provided with primary and auxiliary vehicle identification modules, and parking lot system |
| CN106409005A (en) * | 2016-11-03 | 2017-02-15 | 深圳市景阳科技股份有限公司 | Method and system for enabling unmanned aerial vehicle to supervise parking lot |
| CN106448257A (en) * | 2016-12-19 | 2017-02-22 | 深圳市捷顺科技实业股份有限公司 | Parking space occupation condition detection method and device |
| CN106652551A (en) * | 2016-12-16 | 2017-05-10 | 浙江宇视科技有限公司 | Parking stall detection method and device |
| CN107045736A (en) * | 2016-02-04 | 2017-08-15 | 二三视股份有限公司 | Parking charge method |
| CN109284728A (en) * | 2018-10-08 | 2019-01-29 | 深圳市微埃智能科技有限公司 | Identify method, apparatus, equipment and the storage medium of article |
| CN109754633A (en) * | 2017-11-08 | 2019-05-14 | 上海宝通汎球电子有限公司 | A kind of multi-storied garage parking position localization method based on Car license recognition |
| CN109887325A (en) * | 2019-03-19 | 2019-06-14 | 南京维智感网络科技有限公司 | Road-surface concrete field managing device and its method based on Xian Zou mechanism |
| CN109948591A (en) * | 2019-04-01 | 2019-06-28 | 广东安居宝数码科技股份有限公司 | A kind of method for detecting parking stalls, device, electronic equipment and read/write memory medium |
| CN110503062A (en) * | 2019-08-28 | 2019-11-26 | 深圳市摩马汽车服务有限公司 | Vehicle identifying system in place and method |
| WO2019223586A1 (en) * | 2018-05-25 | 2019-11-28 | 杭州海康威视数字技术股份有限公司 | Method and apparatus for detecting parking space usage condition, electronic device, and storage medium |
| CN110633606A (en) * | 2018-06-25 | 2019-12-31 | 杭州海康威视数字技术股份有限公司 | Parking space identification method, device and equipment and storage medium |
| CN111145364A (en) * | 2020-01-03 | 2020-05-12 | 北京握奇数据股份有限公司 | Roadside parking management system |
| CN111739333A (en) * | 2019-03-25 | 2020-10-02 | 大陆泰密克汽车系统（上海）有限公司 | Empty parking space identification method |
| CN112991807A (en) * | 2019-12-13 | 2021-06-18 | 浙江宇视科技有限公司 | Parking space state detection method, device, equipment and storage medium |
| CN114202930A (en) * | 2021-12-20 | 2022-03-18 | 北京易泊安科技有限公司 | Parking space monitoring and reminding system and control method for parking lot |
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| CN107045736A (en) * | 2016-02-04 | 2017-08-15 | 二三视股份有限公司 | Parking charge method |
| CN106023594A (en) * | 2016-06-13 | 2016-10-12 | 北京精英智通科技股份有限公司 | Parking stall shielding determination method and device and vehicle management system |
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| CN106409005A (en) * | 2016-11-03 | 2017-02-15 | 深圳市景阳科技股份有限公司 | Method and system for enabling unmanned aerial vehicle to supervise parking lot |
| CN106652551B (en) * | 2016-12-16 | 2021-03-09 | 浙江宇视科技有限公司 | Parking space detection method and equipment |
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| WO2019223586A1 (en) * | 2018-05-25 | 2019-11-28 | 杭州海康威视数字技术股份有限公司 | Method and apparatus for detecting parking space usage condition, electronic device, and storage medium |
| CN110633606A (en) * | 2018-06-25 | 2019-12-31 | 杭州海康威视数字技术股份有限公司 | Parking space identification method, device and equipment and storage medium |
| CN109284728A (en) * | 2018-10-08 | 2019-01-29 | 深圳市微埃智能科技有限公司 | Identify method, apparatus, equipment and the storage medium of article |
| CN109887325A (en) * | 2019-03-19 | 2019-06-14 | 南京维智感网络科技有限公司 | Road-surface concrete field managing device and its method based on Xian Zou mechanism |
| CN111739333A (en) * | 2019-03-25 | 2020-10-02 | 大陆泰密克汽车系统（上海）有限公司 | Empty parking space identification method |
| CN111739333B (en) * | 2019-03-25 | 2022-09-23 | 大陆泰密克汽车系统（上海）有限公司 | Empty parking space identification method |
| CN109948591A (en) * | 2019-04-01 | 2019-06-28 | 广东安居宝数码科技股份有限公司 | A kind of method for detecting parking stalls, device, electronic equipment and read/write memory medium |
| CN110503062A (en) * | 2019-08-28 | 2019-11-26 | 深圳市摩马汽车服务有限公司 | Vehicle identifying system in place and method |
| CN110503062B (en) * | 2019-08-28 | 2022-03-25 | 深圳市智车云科技有限公司 | Vehicle in-place identification system and method |
| CN112991807A (en) * | 2019-12-13 | 2021-06-18 | 浙江宇视科技有限公司 | Parking space state detection method, device, equipment and storage medium |
| CN111145364A (en) * | 2020-01-03 | 2020-05-12 | 北京握奇数据股份有限公司 | Roadside parking management system |
| CN114202930A (en) * | 2021-12-20 | 2022-03-18 | 北京易泊安科技有限公司 | Parking space monitoring and reminding system and control method for parking lot |
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