CN108364474B - Data fusion processing method and system based on image and RFID information - Google Patents
Data fusion processing method and system based on image and RFID information Download PDFInfo
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- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
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Abstract
The invention provides a data fusion processing method based on image and RFID information, which comprises the following steps: collecting image information and RFID information of vehicles at an information collection point on a road; preprocessing image information and RFID information of the vehicle; comparing the license plate numbers in the image information and the RFID information, and storing fused data of vehicles formed by correspondingly acquiring the image information and the RFID information at the same acquisition point and with the same license plate number into a fused database; according to the invention, the image information and the RFID information of the vehicle are correspondingly fused to form a complete information, and the image information and the RFID information are mutually supplemented to form accurate and effective traffic management data, so that the method is beneficial to urban fine management such as urban traffic and public safety.
Description
Technical Field
The invention relates to the field of traffic management, in particular to a data fusion processing method and system based on image and RFID information.
Background
The traffic intelligent management system based on the RFID (Radio Frequency Identification) technology has been fully applied to urban intelligent traffic management by taking advantage of the enormous advantages of automatic Identification and dynamic information acquisition. The technical principle is as follows: the electronic tag (or called electronic license plate) is used as an information carrier, the RFID technology is used as a basic dynamic information acquisition means, the sharing of vehicle-related information resources is realized, and the informatization level of vehicle management is improved. Specifically, the electronic license plate is installed on a vehicle, and the electronic license plate writes driving information, drivers and urban traffic information into the electronic license plate according to the requirements of traffic management. Because the road surface acquisition points based on the RFID technology are arranged on the road, when a driven vehicle with the electronic license plate passes through the set acquisition points, the acquisition device reads and uploads the electronic license plate information in the coverage area to the management system. The patent of the electronic license plate patentee is as follows: 201310479158.7, title of the invention: the electronic license plate and the method for reading the information in the electronic license plate are disclosed.
In modern traffic management, two common vehicle information management methods are as follows: firstly, extracting an image mode of a vehicle by using a graphic video processing system; in another aspect, the traffic intelligent management system based on the RFID technology is described above. Because two current technologies are independent of each other, the defect of single vehicle information identification exists, and obstacles are formed to traffic application requiring vehicle fine management, such as: the public security organization strikes fake-licensed vehicles, carries out restriction management on yellow-labeled vehicles, and applies vehicle insurance and the like on the basis of evidence chains such as pictures, videos, tracks, geographical position information and the like. Meanwhile, the single recognition may also cause incorrect recognition due to human or natural factors, and the like, and the validity of the data is reduced, for example: for image information recognition, when a license plate is intentionally or unintentionally shielded, or due to natural factors such as light, vehicle information cannot be recognized. The single electronic tag identification leads to the fact that vehicle information cannot be accurately identified due to environmental interference, installation and information errors during issuing.
Therefore, in order to ensure the accuracy and effectiveness of the data acquisition information so as to better act on the urban traffic management, a new method needs to be provided to solve the above technical problems.
Disclosure of Invention
In view of the above, the present invention provides a data fusion processing method based on image and RFID information, which correspondingly fuses image information and RFID information of a vehicle to form a complete piece of information, and by implementing mutual complementation between the image information and the RFID information, an accurate and objective evidence chain is formed, so as to prevent illegal activities such as fake plate registration, license plate shielding, electronic tag tampering, and the like, and effectively ensure authenticity and validity of data.
The invention provides a data fusion processing method based on image and RFID information, which comprises the following steps:
collecting image information and RFID information of vehicles at an information collection point on a road;
preprocessing image information and RFID information of the vehicle;
and comparing the license plate numbers in the image information and the RFID information, and correspondingly forming the fusion data of the vehicles by the image information and the RFID information which have the same acquisition point and the same license plate number, and storing the fusion data into a fusion database.
Further, the RFID information comprises a vehicle file number, a license plate number and an electronic tag card number;
preprocessing the RFID information includes:
comparing the acquired RFID information with basic standard information, judging whether three fields of a vehicle file number, a license plate number and an electronic tag card number of the RFID information are in one-to-one correspondence or whether the three fields are missing, if the three fields are not in correspondence or the three fields are missing, correcting the current RFID information according to the basic standard information to form correct RFID information, marking the correct RFID information and then entering a data fusion process; if the current RFID information cannot be corrected, the current RFID information is marked as abnormal data.
Further, preprocessing the image information includes:
and judging whether the license plate number of the vehicle can be identified by the current image information and whether the license plate number is complete, if so, entering the image information into a data fusion process, and if not, marking the image information as abnormal data.
Further, before data fusion, the method also comprises the following steps:
extracting the RFID information and the point location information of the acquisition point in the image information, comparing the two point location information, and judging whether the point location information of the acquisition point is consistent, if so, fusing the RFID information and the image information.
Further, still include: judging the place of the license plate number embodied in the image information, if the license plate number is not the vehicle of the place of the current acquisition point, comparing the license plate number information with the basic standard information, judging whether the current license plate number has matched RFID information, and if so, correspondingly fusing the RFID information and the image information; if not, generating a piece of RFID information according to a set rule and correspondingly fusing the RFID information with the image information.
Further, when data fusion is carried out, whether the RFID information and the image information are data of the same acquisition point, within a set time and in the same driving direction is judged, if yes, the RFID information and the image information are fused;
for the image information which is not successfully fused, comparing and correcting the image information with the basic standard information;
marking the RFID information with unsuccessful fusion;
and performing data fusion on the corrected image information and the marked RFID information again, and if the fusion is unsuccessful, marking the image information and the RFID information as abnormal data.
Correspondingly, the invention also provides a data fusion processing system based on the image and the RFID information, which comprises:
the image acquisition equipment is used for acquiring image information of the vehicle;
the RFID acquisition equipment is used for acquiring RFID information of an electronic tag arranged on a vehicle;
the preprocessing module is used for receiving and preprocessing the image information and the RFID information;
and the fusion database is used for correspondingly forming fusion data of the vehicles by using the image information and the RFID information which are at the same acquisition point and have the same license plate number, and storing the fusion data.
Further, the preprocessing module includes:
the image preprocessor is used for preprocessing the image information, inputting the normal image information into the fusion database and inputting the abnormal image information into the marking processor;
the RFID information preprocessor is used for performing correction processing on the RFID information, inputting normal RFID information into the fusion database and inputting defective RFID information into the correction processor;
the correction processor is used for correcting the defective RFID information according to the basic standard information, inputting the corrected RFID information into the marking processor for marking and then inputting the RFID information into the fusion database;
the basic information database is used for storing basic standard information, and the correction processor calls the basic standard information;
a marking processor for marking the abnormal data and the corrected data;
and the exception database is used for storing exception data.
Further, the image correction processor is used for comparing the image information which is not fused successfully with the basic standard information and correcting the image information which is not fused successfully.
Further, the system also comprises a non-home processing unit:
the non-home processing unit includes:
the attribute judgment processor is used for judging whether the current vehicle belongs to the attribute of the acquisition point or not by the image information output by the image preprocessor;
and the RFID matching generation processor is used for receiving the image information of the non-home vehicle output by the home judgment processor and identifying the license plate number, comparing the license plate number information of the non-home with the basic standard information, judging whether the RFID information corresponding to the current license plate number exists or not, if so, inputting the current image information and the RFID information corresponding to the current image information into the fusion database, if not, generating the RFID information corresponding to the current license plate number according to a set rule, and then inputting the current image information and the generated RFID information into the fusion database.
The invention has the beneficial effects that: according to the invention, the image information and the RFID information of the vehicle are correspondingly fused to form complete information, so that the mutual supplement of the image information and the RFID information is realized, an accurate and effective traffic management data is formed, the management of urban traffic is facilitated, an accurate and objective evidence chain can be formed, the occurrence of illegal actions such as fake plate registration, license plate shielding, electronic tag tampering and the like can be prevented, and the authenticity and the effectiveness of the data can be effectively ensured.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a flow chart of the present invention.
Fig. 2 is a schematic structural diagram of the system of the present invention.
Detailed Description
The invention is further described with reference to the accompanying drawings in which:
the invention provides a data fusion processing method based on image and RFID information, which comprises the following steps:
collecting image information and RFID information of vehicles at an information collection point on a road;
preprocessing image information and RFID information of the vehicle;
comparing the license plate numbers in the image information and the RFID information, and storing fused data of vehicles formed by correspondingly acquiring the image information and the RFID information at the same acquisition point and with the same license plate number into a fused database; according to the invention, the image information and the RFID information of the vehicle are correspondingly fused to form complete information, so that the mutual supplement of the image information and the RFID information is realized, an accurate and objective evidence chain is formed, the occurrence of lawless persons in license plate registration, license plate shielding, electronic tag tampering and other lawless acts is prevented, and the authenticity and the validity of data are effectively ensured; the data fusion in the above is to combine the image information and the RFID information into one piece of information, and express the image information by M with A, B and the car profile number, the license plate number and the card number of the electronic tag respectively expressing the RFID information, for example, directly adopting the superposition mode, i.e. the ABCM is sequentially arranged to compose the fusion data; in order to increase the security of the fused data, the following method can be adopted: insert image data into any two fields, such as AMBC or ABMC; of course, if there are other fields in the electronic tag that represent other information, such as the customer/goods label X and the usage property Y, the image information may be combined and fused in the above manner, and if the rule is defined in advance, the corresponding RFID information and image information may be obtained by performing inverse solution through the rule set when calling subsequently.
In this embodiment, the RFID information includes a profile number, a license plate number, and an electronic tag card number; that is, the information of the electronic tag is the necessary information in the electronic tag by three fields of the vehicle profile number, the license plate number and the electronic tag card number, and the three fields of the same vehicle are uniquely corresponding; of course, the electronic tag also includes other field information, such as number plate type information, vehicle type, passenger and goods mark, city number, vehicle use property, etc.;
preprocessing the RFID information includes:
comparing the acquired RFID information with basic standard information, judging whether three fields of a vehicle file number, a license plate number and an electronic tag card number of the RFID information are in one-to-one correspondence or whether the three fields are missing, if the three fields are not in correspondence or the three fields are missing, correcting the current RFID information according to the basic standard information to form correct RFID information, marking the correct RFID information and then entering a data fusion process; if the current RFID information can not be corrected, marking the current RFID information as abnormal data; by the method, abnormal data can be effectively removed; the fact that the three fields are not in one-to-one correspondence means that the vehicle file number, the license plate number and the electronic tag card number are all available, however, any one field is wrong, and the other two fields are correct; the missing of the three fields means that one field is missing in the RFID information, the remaining two fields are correct, the missing parts are complemented and the wrong fields are corrected by finding out the data to be compared with basic standard information in a basic database to form correct RFID data, and then the correct RFID data enter a subsequent fusion step, and the RFID information which cannot be corrected and complemented is directly marked into abnormal data; although the corrected RFID data are correct, the corrected RFID data are marked, so that corresponding analysis is facilitated to be performed subsequently, for example, analysis and collection equipment faults, installation problems of the electronic tag, errors in information writing of the electronic tag and the like are solved.
In this embodiment, the preprocessing the image information includes:
judging whether the license plate number of the vehicle can be identified by the current image information and whether the license plate number is complete, if so, entering the image information into a data fusion process, and if not, marking the image information as abnormal data.
In this embodiment, before data fusion, the method further includes:
the method is used for analyzing and judging whether the acquisition point is a composite acquisition point, namely, image acquisition equipment and RFID acquisition equipment (or called RFID reader-writer) are installed on the acquisition point, and only the image information and the RFID information acquired at the same acquisition point can be fused to form complete, accurate and objective fused data.
In this embodiment, the method further includes: judging the place of the license plate number embodied in the image information, if the license plate number is not the vehicle of the place where the current acquisition point is located, if so, directly inputting the image information into a fusion database, otherwise, comparing the license plate number information with basic data, judging whether the current license plate number has matched RFID information, and if so, correspondingly fusing the RFID information and the image information; if the image information is not acquired, a piece of RFID information is generated according to a set rule and is fused with the image information correspondingly, generally, electronic tags installed on vehicles of different places have certain difference, RFID acquisition equipment cannot acquire corresponding RFID information, or vehicles of some places are not provided with electronic tags, or even local vehicles are not provided with electronic tags, so that the situation that the corresponding information is extracted only by the image acquisition equipment is not beneficial to management. Therefore, through the method, a matched RFID information can be generated for the vehicle under the condition, so that the final information of the vehicle is also a complete fusion data, and the subsequent management of the vehicle is facilitated.
In the embodiment, in data fusion, whether the RFID information and the image information are data of the same acquisition point, within a set time and in the same driving direction is determined, if yes, the RFID information and the image information are fused, for example, the RFID information and the image information of the same vehicle acquired within 5 minutes can be considered to be fusible;
for the image information which is not successfully fused, comparing and correcting the image information with the basic standard information; although the abnormal data is screened out in the image preprocessing process, the image data entering the step is the vehicle of which the image information capable of extracting the license plate number also belongs to the current home, but due to other factors, such as sundries on the license plate number, the number 3 is identified as the number 8, in this case, the RFID information which does not correspond to the number still exists, therefore, the image information is corrected by comparing the image information with the basic standard information, and the corrected image information also needs to be marked;
marking the RFID information with unsuccessful fusion;
and performing data fusion on the corrected image information and the marked RFID information again, and if the fusion is unsuccessful, marking the image information and the RFID information as abnormal data.
Correspondingly, the invention also provides a data fusion processing system based on the image and the RFID information, which comprises:
the image acquisition equipment is used for acquiring image information of the vehicle;
the RFID acquisition equipment is used for acquiring RFID information of an electronic tag arranged on a vehicle;
the preprocessing module is used for receiving and preprocessing the image information and the RFID information;
the system correspondingly fuses the image information and the RFID information of the vehicle to form complete information, thereby realizing mutual supplement of the image information and the RFID information, forming an accurate and objective evidence chain, preventing illegal persons from nesting the license plate, shielding the license plate, tampering electronic tags and other illegal actions, and effectively ensuring the authenticity and the validity of the data.
In this embodiment, the preprocessing module includes:
the image preprocessor is used for preprocessing the image information, inputting the normal image information into the fusion database and inputting the abnormal image information into the marking processor;
the RFID information preprocessor is used for performing proofreading processing on the RFID information, inputting normal RFID information into the fusion database, and inputting defective RFID information into the correction processor for correction;
the correction processor is used for correcting the defective RFID information according to the basic standard information, inputting the corrected RFID information into the marking processor for marking and then inputting the RFID information into the fusion database;
the basic information database is used for storing basic standard information, wherein the basic standard information comprises correct vehicle image information, RFID information generated by non-owner vehicle matching and the like, and the correction processor calls the basic standard information;
a marking processor for marking the abnormal data and the corrected data; of course, the flag of the corrected data and the flag of the abnormal data are set to be different; even if the corrected RFID information or the new image information is successfully fused again in the fusion database, the fusion data still has marks, so that the subsequent retrospective analysis is reason
And the abnormal database is used for storing the abnormal data, analyzing the abnormal data subsequently, and finding and solving the fault causing the abnormal data.
In this embodiment, the image processing apparatus further includes an image correction processor, configured to compare image information that is not successfully fused with basic standard information, where the basic standard information is called from a basic information database by the image correction processor (that is, the image correction processor and the basic information database are in communication connection, and are not drawn due to a line layout in the drawing), revise image information that is not successfully fused, and for the revised image information, further input the revised image information to the marking processor for marking, and feed back the revised image information to the fusion database, and the fusion database transmits image information that is not successfully fused again and RFID information to the marking processor for abnormal data marking, and then transmits the image information and RFID information to the abnormal database.
In this embodiment, the system further includes a non-home processing unit:
the non-home processing unit includes:
the attribute judgment processor is used for judging whether the current vehicle belongs to the attribute of the acquisition point or not by the image information output by the image preprocessor;
and the RFID matching generation processor is used for receiving the image information of the non-home vehicle output by the home judgment processor and identifying the license plate number, comparing the license plate number information of the non-home with the basic standard information, judging whether the RFID information corresponding to the current license plate number exists or not, if so, inputting the current image information and the RFID information corresponding to the current image information into the fusion database, if not, generating the RFID information corresponding to the current license plate number according to a set rule, and then inputting the current image information and the generated RFID information into the fusion database.
Each database is formed by adopting an existing server.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. A data fusion processing method based on image and RFID information is characterized in that: the method comprises the following steps:
collecting image information and RFID information of vehicles at an information collection point on a road;
preprocessing image information and RFID information of the vehicle;
comparing the license plate numbers in the image information and the RFID information, and storing fused data of vehicles formed by correspondingly acquiring the image information and the RFID information at the same acquisition point and with the same license plate number into a fused database;
the RFID information comprises a vehicle file number, a license plate number and an electronic tag card number;
preprocessing the RFID information includes:
comparing the acquired RFID information with basic standard information, judging whether three fields of a vehicle file number, a license plate number and an electronic tag card number of the RFID information are in one-to-one correspondence or whether the three fields are missing, if the three fields are not in correspondence or the three fields are missing, correcting the current RFID information according to the basic standard information to form correct RFID information, marking the correct RFID information and then entering a data fusion process; if the current RFID information cannot be corrected, the current RFID information is marked as abnormal data.
2. The data fusion processing method based on image and RFID information according to claim 1, characterized in that: preprocessing image information includes:
and judging whether the license plate number of the vehicle can be identified by the current image information and whether the license plate number is complete, if so, entering the image information into a data fusion process, and if not, marking the image information as abnormal data.
3. The data fusion processing method based on image and RFID information according to claim 1, characterized in that: the method also comprises the following steps of:
extracting the RFID information and the point location information of the acquisition point in the image information, comparing the two point location information, and judging whether the point location information of the acquisition point is consistent, if so, fusing the RFID information and the image information.
4. The data fusion processing method based on image and RFID information according to claim 1, characterized in that: further comprising: judging the place of the license plate number embodied in the image information, if the license plate number is not the vehicle of the place of the current acquisition point, comparing the license plate number information with the basic standard information, judging whether the current license plate number has matched RFID information, and if so, correspondingly fusing the RFID information and the image information; if not, generating a piece of RFID information according to a set rule and correspondingly fusing the RFID information with the image information.
5. The data fusion processing method based on image and RFID information according to claim 4, characterized in that: judging whether the RFID information and the image information are data of the same acquisition point, the same driving direction within set time or not during data fusion, and if so, fusing the RFID information and the image information;
for the image information which is not successfully fused, comparing and correcting the image information with the basic standard information;
marking the RFID information with unsuccessful fusion;
and performing data fusion on the corrected image information and the marked RFID information again, and if the fusion is unsuccessful, marking the image information and the RFID information as abnormal data.
6. A data fusion processing system based on image and RFID information is characterized in that: the method comprises the following steps:
the image acquisition equipment is used for acquiring image information of the vehicle;
the RFID acquisition equipment is used for acquiring RFID information of an electronic tag arranged on a vehicle;
the preprocessing module is used for receiving and preprocessing the image information and the RFID information;
the fusion database is used for correspondingly forming fusion data of the vehicles by the image information and the RFID information which are at the same acquisition point and have the same license plate number, and storing the fusion data;
the preprocessing module comprises:
the image preprocessor is used for preprocessing the image information, inputting the normal image information into the fusion database and inputting the abnormal image information into the marking processor;
the RFID information preprocessor is used for performing correction processing on the RFID information, inputting normal RFID information into the fusion database and inputting defective RFID information into the correction processor;
the correction processor is used for correcting the defective RFID information according to the basic standard information, inputting the corrected RFID information into the marking processor for marking and then inputting the RFID information into the fusion database;
the basic information database is used for storing basic standard information, and the correction processor calls the basic standard information;
a marking processor for marking the abnormal data and the corrected data;
and the exception database is used for storing exception data.
7. The image and RFID information based data fusion processing system of claim 6, wherein: the image correction processor is used for comparing the image information which is not fused successfully with the basic standard information and correcting the image information which is not fused successfully.
8. The image and RFID information based data fusion processing system of claim 6, further comprising a non-home processing unit:
the non-home processing unit includes:
the attribute judgment processor is used for judging whether the current vehicle belongs to the attribute of the acquisition point or not by the image information output by the image preprocessor;
and the RFID matching generation processor is used for receiving the image information of the non-home vehicle output by the home judgment processor and identifying the license plate number, comparing the license plate number information of the non-home with the basic standard information, judging whether the RFID information corresponding to the current license plate number exists or not, if so, inputting the current image information and the RFID information corresponding to the current image information into the fusion database, if not, generating the RFID information corresponding to the current license plate number according to a set rule, and then inputting the current image information and the generated RFID information into the fusion database.
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| CN113160578B (en) * | 2021-04-29 | 2023-01-24 | 高新兴科技集团股份有限公司 | License plate information confirmation method, system and computer storage medium |
| CN113077018A (en) * | 2021-06-07 | 2021-07-06 | 浙江大华技术股份有限公司 | Target object identification method and device, storage medium and electronic device |
| CN114333320B (en) * | 2021-12-31 | 2023-04-18 | 重庆市城投金卡信息产业(集团)股份有限公司 | Vehicle driving behavior risk assessment system based on RFID |
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| CN102521557A (en) * | 2011-12-08 | 2012-06-27 | 湖南大学 | Tamper detection method of RFID (Radio Frequency Identification Device) electronic label data |
| CN103714357B (en) * | 2012-09-29 | 2016-08-03 | 北京计算机技术及应用研究所 | A kind of radio-frequency (RF) tag data-encoding scheme being applied to vehicle identification and system thereof |
| CN104077570B (en) * | 2014-06-25 | 2017-09-01 | 北京计算机技术及应用研究所 | It is a kind of to merge radio frequency identification and the method and system of Car license recognition |
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| US9536315B2 (en) * | 2015-01-13 | 2017-01-03 | Xerox Corporation | Annotation free license plate recognition method and system |
| CN105160884A (en) * | 2015-07-30 | 2015-12-16 | 北京工业大学 | Vehicle identification method and device fusing video monitoring and RFID |
| CN106875697B (en) * | 2017-04-20 | 2019-12-03 | 江苏本能科技有限公司 | Radio frequency identification and video identification comparison method and system |
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